src/cpu/mips/vm/mips_64.ad

Thu, 03 Aug 2017 16:06:12 +0800

author
fujie
date
Thu, 03 Aug 2017 16:06:12 +0800
changeset 426
a7aab745eaa6
parent 422
8b711b193083
child 427
540fea2596f7
permissions
-rw-r--r--

[C2] Add branchConL_regL_immL & jmpLoopEnd_reg_immI for mips.

     1 //
     2 // Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
     3 // Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
     4 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     5 //
     6 // This code is free software; you can redistribute it and/or modify it
     7 // under the terms of the GNU General Public License version 2 only, as
     8 // published by the Free Software Foundation.
     9 //
    10 // This code is distributed in the hope that it will be useful, but WITHOUT
    11 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    12 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    13 // version 2 for more details (a copy is included in the LICENSE file that
    14 // accompanied this code).
    15 //
    16 // You should have received a copy of the GNU General Public License version
    17 // 2 along with this work; if not, write to the Free Software Foundation,
    18 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    19 //
    20 // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    21 // or visit www.oracle.com if you need additional information or have any
    22 // questions.
    23 //
    24 //
    26 // GodSon3 Architecture Description File
    28 //----------REGISTER DEFINITION BLOCK------------------------------------------
    29 // This information is used by the matcher and the register allocator to
    30 // describe individual registers and classes of registers within the target
    31 // archtecture.
    33 // format:
    34 // reg_def name (call convention, c-call convention, ideal type, encoding);
    35 // 		call convention : 
    36 //			NS  = No-Save
    37 //			SOC = Save-On-Call
    38 //			SOE = Save-On-Entry
    39 //			AS  = Always-Save
    40 //		ideal type :
    41 //			see opto/opcodes.hpp for more info
    42 // reg_class name (reg, ...);
    43 // alloc_class name (reg, ...); 
    44 register %{
    46 // General Registers
    47 // Integer Registers
    48 	reg_def R0	    ( NS,  NS, 	Op_RegI,  0, VMRegImpl::Bad());
    49 	reg_def AT		( NS,  NS, 	Op_RegI,  1, AT->as_VMReg());
    50 	reg_def AT_H    ( NS,  NS,  Op_RegI,  1, AT->as_VMReg()->next());
    51 	reg_def V0		(SOC, SOC,	Op_RegI,  2, V0->as_VMReg());
    52 	reg_def V0_H	(SOC, SOC,	Op_RegI,  2, V0->as_VMReg()->next());
    53 	reg_def V1		(SOC, SOC,	Op_RegI,  3, V1->as_VMReg());
    54 	reg_def V1_H	(SOC, SOC,	Op_RegI,  3, V1->as_VMReg()->next());
    55 	reg_def A0		(SOC, SOC,	Op_RegI,  4, A0->as_VMReg());
    56 	reg_def A0_H	(SOC, SOC,	Op_RegI,  4, A0->as_VMReg()->next());
    57 	reg_def A1		(SOC, SOC,	Op_RegI,  5, A1->as_VMReg());
    58 	reg_def A1_H	(SOC, SOC,	Op_RegI,  5, A1->as_VMReg()->next());
    59 	reg_def A2		(SOC, SOC,	Op_RegI,  6, A2->as_VMReg());
    60 	reg_def A2_H	(SOC, SOC,	Op_RegI,  6, A2->as_VMReg()->next());
    61 	reg_def A3		(SOC, SOC,	Op_RegI,  7, A3->as_VMReg());
    62 	reg_def A3_H	(SOC, SOC,	Op_RegI,  7, A3->as_VMReg()->next());
    63 	reg_def A4		(SOC, SOC,	Op_RegI,  8, A4->as_VMReg());
    64 	reg_def A4_H	(SOC, SOC,	Op_RegI,  8, A4->as_VMReg()->next());
    65 	reg_def A5		(SOC, SOC,	Op_RegI,  9, A5->as_VMReg());
    66 	reg_def A5_H	(SOC, SOC,	Op_RegI,  9, A5->as_VMReg()->next());
    67 	reg_def A6		(SOC, SOC,	Op_RegI,  10, A6->as_VMReg());
    68 	reg_def A6_H	(SOC, SOC,	Op_RegI,  10, A6->as_VMReg()->next());
    69 	reg_def A7		(SOC, SOC,	Op_RegI,  11, A7->as_VMReg());
    70 	reg_def A7_H	(SOC, SOC,	Op_RegI,  11, A7->as_VMReg()->next());
    71 	reg_def T0		(SOC, SOC,	Op_RegI,  12, T0->as_VMReg());
    72 	reg_def T0_H	(SOC, SOC,	Op_RegI,  12, T0->as_VMReg()->next());
    73 	reg_def T1		(SOC, SOC,	Op_RegI,  13, T1->as_VMReg());
    74 	reg_def T1_H	(SOC, SOC,	Op_RegI,  13, T1->as_VMReg()->next());
    75 	reg_def T2		(SOC, SOC,	Op_RegI,  14, T2->as_VMReg());
    76 	reg_def T2_H	(SOC, SOC,	Op_RegI,  14, T2->as_VMReg()->next());
    77 	reg_def T3		(SOC, SOC,	Op_RegI,  15, T3->as_VMReg());
    78 	reg_def T3_H	(SOC, SOC,	Op_RegI,  15, T3->as_VMReg()->next());
    79 	reg_def S0		(SOC, SOE,	Op_RegI,  16, S0->as_VMReg());
    80 	reg_def S0_H	(SOC, SOE,	Op_RegI,  16, S0->as_VMReg()->next());
    81 	reg_def S1		(SOC, SOE,	Op_RegI,  17, S1->as_VMReg());
    82 	reg_def S1_H	(SOC, SOE,	Op_RegI,  17, S1->as_VMReg()->next());
    83 	reg_def S2		(SOC, SOE,	Op_RegI,  18, S2->as_VMReg());
    84 	reg_def S2_H	(SOC, SOE,	Op_RegI,  18, S2->as_VMReg()->next());
    85 	reg_def S3		(SOC, SOE,	Op_RegI,  19, S3->as_VMReg());
    86 	reg_def S3_H	(SOC, SOE,	Op_RegI,  19, S3->as_VMReg()->next());
    87 	reg_def S4		(SOC, SOE,	Op_RegI,  20, S4->as_VMReg());
    88 	reg_def S4_H	(SOC, SOE,	Op_RegI,  20, S4->as_VMReg()->next());
    89 	reg_def S5		(SOC, SOE,	Op_RegI,  21, S5->as_VMReg());
    90 	reg_def S5_H	(SOC, SOE,	Op_RegI,  21, S5->as_VMReg()->next());
    91 	reg_def S6		(SOC, SOE,	Op_RegI,  22, S6->as_VMReg());
    92 	reg_def S6_H	(SOC, SOE,	Op_RegI,  22, S6->as_VMReg()->next());
    93 	reg_def S7		(SOC, SOE,	Op_RegI,  23, S7->as_VMReg());
    94 	reg_def S7_H	(SOC, SOE,	Op_RegI,  23, S7->as_VMReg()->next());
    95 	reg_def T8		(SOC, SOC,	Op_RegI,  24, T8->as_VMReg());
    96 	reg_def T8_H	(SOC, SOC,	Op_RegI,  24, T8->as_VMReg()->next());
    97 	reg_def T9		(SOC, SOC,	Op_RegI,  25, T9->as_VMReg());
    98 	reg_def T9_H	(SOC, SOC,	Op_RegI,  25, T9->as_VMReg()->next());
   100 // Special Registers
   101 	reg_def K0		( NS,  NS,	Op_RegI, 26, K0->as_VMReg());
   102 	reg_def K1		( NS,  NS,	Op_RegI, 27, K1->as_VMReg());
   103 	reg_def GP		( NS,  NS,	Op_RegI, 28, GP->as_VMReg());
   104 	reg_def GP_H	( NS,  NS,	Op_RegI, 28, GP->as_VMReg()->next());
   105 	reg_def SP		( NS,  NS,	Op_RegI, 29, SP->as_VMReg());
   106 	reg_def SP_H	( NS,  NS,	Op_RegI, 29, SP->as_VMReg()->next());
   107 	reg_def FP		( NS,  NS,	Op_RegI, 30, FP->as_VMReg());
   108 	reg_def FP_H	( NS,  NS,	Op_RegI, 30, FP->as_VMReg()->next());
   109 	reg_def RA		( NS,  NS,	Op_RegI, 31, RA->as_VMReg());
   110 	reg_def RA_H	( NS,  NS,	Op_RegI, 31, RA->as_VMReg()->next());
   112 // Floating registers. 
   113 reg_def F0          ( SOC, SOC, Op_RegF, 0, F0->as_VMReg());
   114 reg_def F0_H        ( SOC, SOC, Op_RegF, 0, F0->as_VMReg()->next());
   115 reg_def F1          ( SOC, SOC, Op_RegF, 1, F1->as_VMReg());
   116 reg_def F1_H        ( SOC, SOC, Op_RegF, 1, F1->as_VMReg()->next());
   117 reg_def F2          ( SOC, SOC, Op_RegF, 2, F2->as_VMReg());
   118 reg_def F2_H        ( SOC, SOC, Op_RegF, 2, F2->as_VMReg()->next());
   119 reg_def F3          ( SOC, SOC, Op_RegF, 3, F3->as_VMReg());
   120 reg_def F3_H        ( SOC, SOC, Op_RegF, 3, F3->as_VMReg()->next());
   121 reg_def F4          ( SOC, SOC, Op_RegF, 4, F4->as_VMReg());
   122 reg_def F4_H        ( SOC, SOC, Op_RegF, 4, F4->as_VMReg()->next());
   123 reg_def F5          ( SOC, SOC, Op_RegF, 5, F5->as_VMReg());
   124 reg_def F5_H        ( SOC, SOC, Op_RegF, 5, F5->as_VMReg()->next());
   125 reg_def F6          ( SOC, SOC, Op_RegF, 6, F6->as_VMReg());
   126 reg_def F6_H        ( SOC, SOC, Op_RegF, 6, F6->as_VMReg()->next());
   127 reg_def F7          ( SOC, SOC, Op_RegF, 7, F7->as_VMReg());
   128 reg_def F7_H        ( SOC, SOC, Op_RegF, 7, F7->as_VMReg()->next());
   129 reg_def F8          ( SOC, SOC, Op_RegF, 8, F8->as_VMReg());
   130 reg_def F8_H        ( SOC, SOC, Op_RegF, 8, F8->as_VMReg()->next());
   131 reg_def F9          ( SOC, SOC, Op_RegF, 9, F9->as_VMReg());
   132 reg_def F9_H        ( SOC, SOC, Op_RegF, 9, F9->as_VMReg()->next());
   133 reg_def F10         ( SOC, SOC, Op_RegF, 10, F10->as_VMReg());
   134 reg_def F10_H       ( SOC, SOC, Op_RegF, 10, F10->as_VMReg()->next());
   135 reg_def F11         ( SOC, SOC, Op_RegF, 11, F11->as_VMReg());
   136 reg_def F11_H       ( SOC, SOC, Op_RegF, 11, F11->as_VMReg()->next());
   137 reg_def F12         ( SOC, SOC, Op_RegF, 12, F12->as_VMReg());
   138 reg_def F12_H       ( SOC, SOC, Op_RegF, 12, F12->as_VMReg()->next());
   139 reg_def F13         ( SOC, SOC, Op_RegF, 13, F13->as_VMReg());
   140 reg_def F13_H       ( SOC, SOC, Op_RegF, 13, F13->as_VMReg()->next());
   141 reg_def F14         ( SOC, SOC, Op_RegF, 14, F14->as_VMReg());
   142 reg_def F14_H       ( SOC, SOC, Op_RegF, 14, F14->as_VMReg()->next());
   143 reg_def F15         ( SOC, SOC, Op_RegF, 15, F15->as_VMReg());
   144 reg_def F15_H       ( SOC, SOC, Op_RegF, 15, F15->as_VMReg()->next());
   145 reg_def F16         ( SOC, SOC, Op_RegF, 16, F16->as_VMReg());
   146 reg_def F16_H       ( SOC, SOC, Op_RegF, 16, F16->as_VMReg()->next());
   147 reg_def F17         ( SOC, SOC, Op_RegF, 17, F17->as_VMReg());
   148 reg_def F17_H       ( SOC, SOC, Op_RegF, 17, F17->as_VMReg()->next());
   149 reg_def F18         ( SOC, SOC, Op_RegF, 18, F18->as_VMReg());
   150 reg_def F18_H       ( SOC, SOC, Op_RegF, 18, F18->as_VMReg()->next());
   151 reg_def F19         ( SOC, SOC, Op_RegF, 19, F19->as_VMReg());
   152 reg_def F19_H       ( SOC, SOC, Op_RegF, 19, F19->as_VMReg()->next());
   153 reg_def F20         ( SOC, SOC, Op_RegF, 20, F20->as_VMReg());
   154 reg_def F20_H       ( SOC, SOC, Op_RegF, 20, F20->as_VMReg()->next());
   155 reg_def F21         ( SOC, SOC, Op_RegF, 21, F21->as_VMReg());
   156 reg_def F21_H       ( SOC, SOC, Op_RegF, 21, F21->as_VMReg()->next());
   157 reg_def F22         ( SOC, SOC, Op_RegF, 22, F22->as_VMReg());
   158 reg_def F22_H       ( SOC, SOC, Op_RegF, 22, F22->as_VMReg()->next());
   159 reg_def F23         ( SOC, SOC, Op_RegF, 23, F23->as_VMReg());
   160 reg_def F23_H       ( SOC, SOC, Op_RegF, 23, F23->as_VMReg()->next());
   161 reg_def F24         ( SOC, SOC, Op_RegF, 24, F24->as_VMReg());
   162 reg_def F24_H       ( SOC, SOC, Op_RegF, 24, F24->as_VMReg()->next());
   163 reg_def F25         ( SOC, SOC, Op_RegF, 25, F25->as_VMReg());
   164 reg_def F25_H       ( SOC, SOC, Op_RegF, 25, F25->as_VMReg()->next());
   165 reg_def F26         ( SOC, SOC, Op_RegF, 26, F26->as_VMReg());
   166 reg_def F26_H       ( SOC, SOC, Op_RegF, 26, F26->as_VMReg()->next());
   167 reg_def F27         ( SOC, SOC, Op_RegF, 27, F27->as_VMReg());
   168 reg_def F27_H       ( SOC, SOC, Op_RegF, 27, F27->as_VMReg()->next());
   169 reg_def F28         ( SOC, SOC, Op_RegF, 28, F28->as_VMReg());
   170 reg_def F28_H       ( SOC, SOC, Op_RegF, 28, F28->as_VMReg()->next());
   171 reg_def F29         ( SOC, SOC, Op_RegF, 29, F29->as_VMReg());
   172 reg_def F29_H       ( SOC, SOC, Op_RegF, 29, F29->as_VMReg()->next());
   173 reg_def F30         ( SOC, SOC, Op_RegF, 30, F30->as_VMReg());
   174 reg_def F30_H       ( SOC, SOC, Op_RegF, 30, F30->as_VMReg()->next());
   175 reg_def F31         ( SOC, SOC, Op_RegF, 31, F31->as_VMReg());
   176 reg_def F31_H       ( SOC, SOC, Op_RegF, 31, F31->as_VMReg()->next());
   179 // ----------------------------
   180 // Special Registers
   181 // Condition Codes Flag Registers
   182 reg_def MIPS_FLAG (SOC, SOC,  Op_RegFlags, 1, as_Register(1)->as_VMReg());
   183 //S6 is used for get_thread(S6)
   184 //S5 is uesd for heapbase of compressed oop
   185 alloc_class chunk0(  
   186                      S7, S7_H,
   187                      S0, S0_H,
   188                      S1, S1_H,
   189                      S2, S2_H,
   190                      S4, S4_H,
   191                      S5, S5_H,
   192                      S6, S6_H,
   193                      S3, S3_H,
   194                      T2, T2_H,
   195                      T3, T3_H,
   196                      T8, T8_H,
   197                      T9, T9_H,
   198                      T1, T1_H, // inline_cache_reg
   199                      V1, V1_H,
   200                      A7, A7_H,
   201                      A6, A6_H,
   202                      A5, A5_H,
   203                      A4, A4_H,
   204                      V0, V0_H,
   205                      A3, A3_H,
   206                      A2, A2_H,
   207                      A1, A1_H,
   208                      A0, A0_H,
   209                      T0, T0_H,
   210                      GP, GP_H 
   211                      RA, RA_H,
   212                      SP, SP_H, // stack_pointer
   213                      FP, FP_H  // frame_pointer
   214                  );
   216 alloc_class chunk1(  F0, F0_H,
   217                      F1, F1_H,
   218                      F2, F2_H,
   219                      F3, F3_H,
   220                      F4, F4_H,
   221                      F5, F5_H,
   222                      F6, F6_H,
   223                      F7, F7_H,
   224                      F8, F8_H,
   225                      F9, F9_H,
   226                      F10, F10_H,
   227                      F11, F11_H,
   228                      F20, F20_H,
   229                      F21, F21_H,
   230                      F22, F22_H,
   231                      F23, F23_H,
   232                      F24, F24_H,
   233                      F25, F25_H,
   234                      F26, F26_H,
   235                      F27, F27_H,
   236                      F28, F28_H,
   237                      F19, F19_H,
   238                      F18, F18_H,
   239                      F17, F17_H,
   240                      F16, F16_H,
   241                      F15, F15_H,
   242                      F14, F14_H,
   243                      F13, F13_H,
   244                      F12, F12_H,
   245                      F29, F29_H,
   246                      F30, F30_H,
   247                      F31, F31_H);
   249 alloc_class chunk2(MIPS_FLAG);
   251 reg_class s_reg( S0, S1, S2, S3, S4, S5, S6, S7 );
   252 reg_class s0_reg( S0 );
   253 reg_class s1_reg( S1 );
   254 reg_class s2_reg( S2 );
   255 reg_class s3_reg( S3 );
   256 reg_class s4_reg( S4 );
   257 reg_class s5_reg( S5 );
   258 reg_class s6_reg( S6 );
   259 reg_class s7_reg( S7 );
   261 reg_class t_reg( T0, T1, T2, T3, T8, T9 );
   262 reg_class t0_reg( T0 );
   263 reg_class t1_reg( T1 );
   264 reg_class t2_reg( T2 );
   265 reg_class t3_reg( T3 );
   266 reg_class t8_reg( T8 );
   267 reg_class t9_reg( T9 );
   269 reg_class a_reg( A0, A1, A2, A3, A4, A5, A6, A7 );
   270 reg_class a0_reg( A0 );
   271 reg_class a1_reg( A1 );
   272 reg_class a2_reg( A2 );
   273 reg_class a3_reg( A3 );
   274 reg_class a4_reg( A4 );
   275 reg_class a5_reg( A5 );
   276 reg_class a6_reg( A6 );
   277 reg_class a7_reg( A7 );
   279 reg_class v0_reg( V0 );
   280 reg_class v1_reg( V1 );
   282 reg_class sp_reg( SP, SP_H );
   283 reg_class fp_reg( FP, FP_H );
   285 reg_class mips_flags(MIPS_FLAG);
   287 reg_class v0_long_reg( V0, V0_H );
   288 reg_class v1_long_reg( V1, V1_H );
   289 reg_class a0_long_reg( A0, A0_H );
   290 reg_class a1_long_reg( A1, A1_H );
   291 reg_class a2_long_reg( A2, A2_H );
   292 reg_class a3_long_reg( A3, A3_H );
   293 reg_class a4_long_reg( A4, A4_H );
   294 reg_class a5_long_reg( A5, A5_H );
   295 reg_class a6_long_reg( A6, A6_H );
   296 reg_class a7_long_reg( A7, A7_H );
   297 reg_class t0_long_reg( T0, T0_H );
   298 reg_class t1_long_reg( T1, T1_H );
   299 reg_class t2_long_reg( T2, T2_H );
   300 reg_class t3_long_reg( T3, T3_H );
   301 reg_class t8_long_reg( T8, T8_H );
   302 reg_class t9_long_reg( T9, T9_H );
   303 reg_class s0_long_reg( S0, S0_H );
   304 reg_class s1_long_reg( S1, S1_H );
   305 reg_class s2_long_reg( S2, S2_H );
   306 reg_class s3_long_reg( S3, S3_H );
   307 reg_class s4_long_reg( S4, S4_H );
   308 reg_class s5_long_reg( S5, S5_H );
   309 reg_class s6_long_reg( S6, S6_H );
   310 reg_class s7_long_reg( S7, S7_H );
   312 reg_class int_reg( S7, S0, S1, S2, S4, S3, T8, T2, T3, T1, V1, A7, A6, A5, A4, V0, A3, A2, A1, A0, T0 );
   314 reg_class no_Ax_int_reg( S7, S0, S1, S2, S4, S3, T8, T2, T3, T1, V1, V0, T0 );
   316 reg_class p_reg( 
   317                  S7, S7_H,
   318                  S0, S0_H,
   319                  S1, S1_H,
   320                  S2, S2_H,
   321                  S4, S4_H,
   322                  S3, S3_H,
   323                  T8, T8_H,
   324                  T2, T2_H,
   325                  T3, T3_H,
   326                  T1, T1_H,
   327                  A7, A7_H,
   328                  A6, A6_H,
   329                  A5, A5_H,
   330                  A4, A4_H,
   331                  A3, A3_H,
   332                  A2, A2_H,
   333                  A1, A1_H,
   334                  A0, A0_H,
   335                  T0, T0_H
   336                );
   338 reg_class no_T8_p_reg( 
   339                  S7, S7_H,
   340                  S0, S0_H,
   341                  S1, S1_H,
   342                  S2, S2_H,
   343                  S4, S4_H,
   344                  S3, S3_H,
   345                  T2, T2_H,
   346                  T3, T3_H,
   347                  T1, T1_H,
   348                  A7, A7_H,
   349                  A6, A6_H,
   350                  A5, A5_H,
   351                  A4, A4_H,
   352                  A3, A3_H,
   353                  A2, A2_H,
   354                  A1, A1_H,
   355                  A0, A0_H,
   356                  T0, T0_H
   357                );
   359 reg_class long_reg( 
   360                     S7, S7_H,
   361                     S0, S0_H,
   362                     S1, S1_H,
   363                     S2, S2_H,
   364                     S4, S4_H,
   365                     S3, S3_H,
   366                     T8, T8_H,
   367                     T2, T2_H,
   368                     T3, T3_H,
   369                     T1, T1_H,
   370                     A7, A7_H,
   371                     A6, A6_H,
   372                     A5, A5_H,
   373                     A4, A4_H,
   374                     A3, A3_H,
   375                     A2, A2_H,
   376                     A1, A1_H,
   377                     A0, A0_H,
   378                     T0, T0_H
   379                   );
   382 // Floating point registers.
   383 // 2012/8/23 Fu: F30/F31 are used as temporary registers in D2I
   384 // 2016/12/1 aoqi: F31 are not used as temporary registers in D2I
   385 reg_class flt_reg( F0, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, F16, F17 F18, F19, F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F31);
   386 reg_class dbl_reg( F0, F0_H,
   387                    F1, F1_H,
   388                    F2, F2_H,
   389                    F3, F3_H,
   390                    F4, F4_H,
   391                    F5, F5_H,
   392                    F6, F6_H,
   393                    F7, F7_H,
   394                    F8, F8_H,
   395                    F9, F9_H,
   396                    F10, F10_H, 
   397                    F11, F11_H, 
   398                    F12, F12_H, 
   399                    F13, F13_H, 
   400                    F14, F14_H, 
   401                    F15, F15_H, 
   402                    F16, F16_H, 
   403                    F17, F17_H, 
   404                    F18, F18_H, 
   405                    F19, F19_H, 
   406                    F20, F20_H, 
   407                    F21, F21_H, 
   408                    F22, F22_H, 
   409                    F23, F23_H, 
   410                    F24, F24_H, 
   411                    F25, F25_H, 
   412                    F26, F26_H, 
   413                    F27, F27_H, 
   414                    F28, F28_H, 
   415                    F29, F29_H, 
   416                    F31, F31_H);
   418 reg_class flt_arg0( F12 );
   419 reg_class dbl_arg0( F12, F12_H );
   420 reg_class dbl_arg1( F14, F14_H );
   422 %} 
   424 //----------DEFINITION BLOCK---------------------------------------------------
   425 // Define name --> value mappings to inform the ADLC of an integer valued name
   426 // Current support includes integer values in the range [0, 0x7FFFFFFF]
   427 // Format:
   428 //        int_def  <name>         ( <int_value>, <expression>);
   429 // Generated Code in ad_<arch>.hpp
   430 //        #define  <name>   (<expression>)
   431 //        // value == <int_value>
   432 // Generated code in ad_<arch>.cpp adlc_verification()
   433 //        assert( <name> == <int_value>, "Expect (<expression>) to equal <int_value>");
   434 //
   435 definitions %{
   436 	int_def DEFAULT_COST      (    100,     100);
   437 	int_def HUGE_COST         (1000000, 1000000);
   439 	// Memory refs are twice as expensive as run-of-the-mill.
   440 	int_def MEMORY_REF_COST   (    200, DEFAULT_COST * 2);
   442 	// Branches are even more expensive.
   443 	int_def BRANCH_COST       (    300, DEFAULT_COST * 3);
   444 	// we use jr instruction to construct call, so more expensive
   445 	// by yjl 2/28/2006
   446 	int_def CALL_COST         (    500, DEFAULT_COST * 5);
   447 /*
   448         int_def EQUAL             (   1, 1  );
   449         int_def NOT_EQUAL         (   2, 2  );
   450         int_def GREATER           (   3, 3  );
   451         int_def GREATER_EQUAL     (   4, 4  );
   452         int_def LESS              (   5, 5  );
   453         int_def LESS_EQUAL        (   6, 6  );
   454 */
   455 %}
   459 //----------SOURCE BLOCK-------------------------------------------------------
   460 // This is a block of C++ code which provides values, functions, and
   461 // definitions necessary in the rest of the architecture description
   463 source_hpp %{
   464 // Header information of the source block.
   465 // Method declarations/definitions which are used outside
   466 // the ad-scope can conveniently be defined here.
   467 //
   468 // To keep related declarations/definitions/uses close together,
   469 // we switch between source %{ }% and source_hpp %{ }% freely as needed.
   471 class CallStubImpl {
   473   //--------------------------------------------------------------
   474   //---<  Used for optimization in Compile::shorten_branches  >---
   475   //--------------------------------------------------------------
   477  public:
   478   // Size of call trampoline stub.
   479   static uint size_call_trampoline() {
   480     return 0; // no call trampolines on this platform
   481   }
   483   // number of relocations needed by a call trampoline stub
   484   static uint reloc_call_trampoline() { 
   485     return 0; // no call trampolines on this platform
   486   }
   487 };
   489 class HandlerImpl {
   491  public:
   493   static int emit_exception_handler(CodeBuffer &cbuf);
   494   static int emit_deopt_handler(CodeBuffer& cbuf);
   496   static uint size_exception_handler() {
   497     // NativeCall instruction size is the same as NativeJump.
   498     // exception handler starts out as jump and can be patched to
   499     // a call be deoptimization.  (4932387)
   500     // Note that this value is also credited (in output.cpp) to
   501     // the size of the code section.
   502 //    return NativeJump::instruction_size;
   503     int size = NativeCall::instruction_size;
   504     return round_to(size, 16);
   505   }
   507 #ifdef _LP64
   508   static uint size_deopt_handler() {
   509     int size = NativeCall::instruction_size;
   510     return round_to(size, 16);
   511   }
   512 #else
   513   static uint size_deopt_handler() {
   514     // NativeCall instruction size is the same as NativeJump.
   515     // exception handler starts out as jump and can be patched to
   516     // a call be deoptimization.  (4932387)
   517     // Note that this value is also credited (in output.cpp) to
   518     // the size of the code section.
   519     return 5 + NativeJump::instruction_size; // pushl(); jmp;
   520   }
   521 #endif
   522 };
   524 %} // end source_hpp
   526 source %{
   528 #define   NO_INDEX    0
   529 #define   RELOC_IMM64    Assembler::imm_operand
   530 #define   RELOC_DISP32   Assembler::disp32_operand
   533 #define __ _masm.
   536 // Emit exception handler code.
   537 // Stuff framesize into a register and call a VM stub routine.
   538 int HandlerImpl::emit_exception_handler(CodeBuffer& cbuf) {
   539   // Note that the code buffer's insts_mark is always relative to insts.
   540   // That's why we must use the macroassembler to generate a handler.
   541   MacroAssembler _masm(&cbuf);
   542   address base =
   543   __ start_a_stub(size_exception_handler());
   544   if (base == NULL)  return 0;  // CodeBuffer::expand failed
   545   int offset = __ offset();
   547   __ block_comment("; emit_exception_handler");
   549   cbuf.set_insts_mark();
   550   __ relocate(relocInfo::runtime_call_type);
   551   __ patchable_jump((address)OptoRuntime::exception_blob()->entry_point());
   552   __ align(16);
   553   assert(__ offset() - offset <= (int) size_exception_handler(), "overflow");
   554   __ end_a_stub();
   555   return offset;
   556 }
   558 // Emit deopt handler code.
   559 int HandlerImpl::emit_deopt_handler(CodeBuffer& cbuf) {
   560   // Note that the code buffer's insts_mark is always relative to insts.
   561   // That's why we must use the macroassembler to generate a handler.
   562   MacroAssembler _masm(&cbuf);
   563   address base =
   564   __ start_a_stub(size_deopt_handler());
   566   // FIXME
   567   if (base == NULL)  return 0;  // CodeBuffer::expand failed
   568   int offset = __ offset();
   570   __ block_comment("; emit_deopt_handler");
   572   cbuf.set_insts_mark();
   573   __ relocate(relocInfo::runtime_call_type);
   574   __ patchable_call(SharedRuntime::deopt_blob()->unpack());
   575   __ align(16);
   576   assert(__ offset() - offset <= (int) size_deopt_handler(), "overflow");
   577   __ end_a_stub();
   578   return offset;
   579 }
   582 const bool Matcher::match_rule_supported(int opcode) {
   583   if (!has_match_rule(opcode))
   584     return false;
   586   switch (opcode) {
   587     //Op_CountLeadingZerosI Op_CountLeadingZerosL can be deleted, all MIPS CPUs support clz & dclz.
   588     case Op_CountLeadingZerosI:
   589     case Op_CountLeadingZerosL:
   590       if (!UseCountLeadingZerosInstruction)
   591         return false;
   592       break;
   593     case Op_CountTrailingZerosI:
   594     case Op_CountTrailingZerosL:
   595       if (!UseCountTrailingZerosInstruction)
   596         return false;
   597       break;
   598   }
   600   return true;  // Per default match rules are supported.
   601 }
   603 //FIXME
   604 // emit call stub, compiled java to interpreter
   605 void emit_java_to_interp(CodeBuffer &cbuf ) {
   606   // Stub is fixed up when the corresponding call is converted from calling
   607   // compiled code to calling interpreted code.
   608   // mov rbx,0
   609   // jmp -1
   611   address mark = cbuf.insts_mark();  // get mark within main instrs section
   613   // Note that the code buffer's insts_mark is always relative to insts.
   614   // That's why we must use the macroassembler to generate a stub.
   615   MacroAssembler _masm(&cbuf);
   617   address base =
   618   __ start_a_stub(Compile::MAX_stubs_size);
   619   if (base == NULL)  return;  // CodeBuffer::expand failed
   620   // static stub relocation stores the instruction address of the call
   622   __ relocate(static_stub_Relocation::spec(mark), 0);
   624   // static stub relocation also tags the methodOop in the code-stream.
   625   __ patchable_set48(S3, (long)0);
   626   // This is recognized as unresolved by relocs/nativeInst/ic code
   628   __ relocate(relocInfo::runtime_call_type);
   630   cbuf.set_insts_mark();
   631   address call_pc = (address)-1;
   632   __ patchable_jump(call_pc);
   633   __ align(16);
   634   __ end_a_stub();
   635   // Update current stubs pointer and restore code_end.
   636 }
   638 // size of call stub, compiled java to interpretor
   639 uint size_java_to_interp() {
   640   int size = 4 * 4 + NativeCall::instruction_size; // sizeof(li48) + NativeCall::instruction_size
   641   return round_to(size, 16);
   642 }
   644 // relocation entries for call stub, compiled java to interpreter
   645 uint reloc_java_to_interp() {
   646   return 16;  //  in emit_java_to_interp +  in Java_Static_Call
   647 }
   649 bool Matcher::is_short_branch_offset(int rule, int br_size, int offset) {
   650   if( Assembler::is_simm16(offset) ) return true;
   651   else {
   652      assert(false, "Not implemented yet !" );
   653      Unimplemented();
   654   }
   655 }
   658 // No additional cost for CMOVL.
   659 const int Matcher::long_cmove_cost() { return 0; }
   661 // No CMOVF/CMOVD with SSE2
   662 const int Matcher::float_cmove_cost() { return ConditionalMoveLimit; }
   664 // Does the CPU require late expand (see block.cpp for description of late expand)?
   665 const bool Matcher::require_postalloc_expand = false;
   667 // Should the Matcher clone shifts on addressing modes, expecting them
   668 // to be subsumed into complex addressing expressions or compute them
   669 // into registers?  True for Intel but false for most RISCs
   670 const bool Matcher::clone_shift_expressions = false;
   672 // Do we need to mask the count passed to shift instructions or does
   673 // the cpu only look at the lower 5/6 bits anyway?
   674 const bool Matcher::need_masked_shift_count = false;
   676 bool Matcher::narrow_oop_use_complex_address() {
   677   NOT_LP64(ShouldNotCallThis());
   678   assert(UseCompressedOops, "only for compressed oops code");
   679   return false;
   680 }
   682 bool Matcher::narrow_klass_use_complex_address() {
   683   NOT_LP64(ShouldNotCallThis());
   684   assert(UseCompressedClassPointers, "only for compressed klass code");
   685   return false;
   686 }
   688 // This is UltraSparc specific, true just means we have fast l2f conversion
   689 const bool Matcher::convL2FSupported(void) {
   690   return true;
   691 }
   693 // Max vector size in bytes. 0 if not supported.
   694 const int Matcher::vector_width_in_bytes(BasicType bt) {
   695   if (MaxVectorSize == 0)
   696     return 0;
   697   assert(MaxVectorSize == 8, "");
   698   return 8;
   699 }
   701 // Vector ideal reg
   702 const int Matcher::vector_ideal_reg(int size) {
   703   assert(MaxVectorSize == 8, "");
   704   switch(size) {
   705     case  8: return Op_VecD;
   706   }
   707   ShouldNotReachHere();
   708   return 0;
   709 }
   711 // Only lowest bits of xmm reg are used for vector shift count.
   712 const int Matcher::vector_shift_count_ideal_reg(int size) {
   713   fatal("vector shift is not supported");
   714   return Node::NotAMachineReg;
   715 }
   717 // Limits on vector size (number of elements) loaded into vector.
   718 const int Matcher::max_vector_size(const BasicType bt) {
   719   assert(is_java_primitive(bt), "only primitive type vectors");
   720   return vector_width_in_bytes(bt)/type2aelembytes(bt);
   721 }
   723 const int Matcher::min_vector_size(const BasicType bt) {
   724   return max_vector_size(bt); // Same as max.
   725 }
   727 // MIPS supports misaligned vectors store/load? FIXME
   728 const bool Matcher::misaligned_vectors_ok() {
   729   return false;
   730   //return !AlignVector; // can be changed by flag
   731 }
   733 // Register for DIVI projection of divmodI
   734 RegMask Matcher::divI_proj_mask() {
   735   ShouldNotReachHere();
   736   return RegMask();
   737 }
   739 // Register for MODI projection of divmodI
   740 RegMask Matcher::modI_proj_mask() {
   741   ShouldNotReachHere();
   742   return RegMask();
   743 }
   745 // Register for DIVL projection of divmodL
   746 RegMask Matcher::divL_proj_mask() {
   747   ShouldNotReachHere();
   748   return RegMask();
   749 }
   751 int Matcher::regnum_to_fpu_offset(int regnum) {
   752   return regnum - 32; // The FP registers are in the second chunk
   753 }
   756 const bool Matcher::isSimpleConstant64(jlong value) {
   757   // Will one (StoreL ConL) be cheaper than two (StoreI ConI)?.
   758   return true;
   759 }
   762 // Return whether or not this register is ever used as an argument.  This
   763 // function is used on startup to build the trampoline stubs in generateOptoStub.
   764 // Registers not mentioned will be killed by the VM call in the trampoline, and
   765 // arguments in those registers not be available to the callee.
   766 bool Matcher::can_be_java_arg( int reg ) {
   767   /* Refer to: [sharedRuntime_mips_64.cpp] SharedRuntime::java_calling_convention() */
   768   if (    reg == T0_num || reg == T0_H_num
   769 	   || reg == A0_num || reg == A0_H_num 
   770        || reg == A1_num || reg == A1_H_num 
   771        || reg == A2_num || reg == A2_H_num 
   772        || reg == A3_num || reg == A3_H_num 
   773        || reg == A4_num || reg == A4_H_num 
   774        || reg == A5_num || reg == A5_H_num 
   775        || reg == A6_num || reg == A6_H_num 
   776        || reg == A7_num || reg == A7_H_num )
   777     return true;
   779   if (    reg == F12_num || reg == F12_H_num
   780        || reg == F13_num || reg == F13_H_num 
   781        || reg == F14_num || reg == F14_H_num 
   782        || reg == F15_num || reg == F15_H_num 
   783        || reg == F16_num || reg == F16_H_num 
   784        || reg == F17_num || reg == F17_H_num 
   785        || reg == F18_num || reg == F18_H_num 
   786        || reg == F19_num || reg == F19_H_num )
   787     return true;
   789   return false;
   790 }
   792 bool Matcher::is_spillable_arg( int reg ) {
   793   return can_be_java_arg(reg);
   794 }
   796 bool Matcher::use_asm_for_ldiv_by_con( jlong divisor ) {
   797   return false;
   798 }
   800 // Register for MODL projection of divmodL
   801 RegMask Matcher::modL_proj_mask() {
   802   ShouldNotReachHere();
   803   return RegMask();
   804 }
   806 const RegMask Matcher::method_handle_invoke_SP_save_mask() {
   807   return FP_REG_mask();
   808 }
   810 // MIPS doesn't support AES intrinsics
   811 const bool Matcher::pass_original_key_for_aes() {
   812   return false;
   813 }
   815 int CallLeafNoFPDirectNode::compute_padding(int current_offset) const {
   816   //lui
   817   //ori
   818   //dsll
   819   //ori
   821   //jalr
   822   //nop
   824   return round_to(current_offset, alignment_required()) - current_offset;
   825 }
   827 int CallLeafDirectNode::compute_padding(int current_offset) const {
   828   //lui
   829   //ori
   830   //dsll
   831   //ori
   833   //jalr
   834   //nop
   836   return round_to(current_offset, alignment_required()) - current_offset;
   837 }
   839 int CallRuntimeDirectNode::compute_padding(int current_offset) const {
   840   //lui
   841   //ori
   842   //dsll
   843   //ori
   845   //jalr
   846   //nop
   848   return round_to(current_offset, alignment_required()) - current_offset;
   849 }
   851 // If CPU can load and store mis-aligned doubles directly then no fixup is
   852 // needed.  Else we split the double into 2 integer pieces and move it
   853 // piece-by-piece.  Only happens when passing doubles into C code as the
   854 // Java calling convention forces doubles to be aligned.
   855 const bool Matcher::misaligned_doubles_ok = false;
   856 // Do floats take an entire double register or just half?
   857 //const bool Matcher::float_in_double = true;
   858 bool Matcher::float_in_double() { return false; }
   859 // Threshold size for cleararray.
   860 const int Matcher::init_array_short_size = 8 * BytesPerLong;
   861 // Do ints take an entire long register or just half?
   862 const bool Matcher::int_in_long = true;
   863 // Is it better to copy float constants, or load them directly from memory?
   864 // Intel can load a float constant from a direct address, requiring no
   865 // extra registers.  Most RISCs will have to materialize an address into a
   866 // register first, so they would do better to copy the constant from stack.
   867 const bool Matcher::rematerialize_float_constants = false;
   868 // Advertise here if the CPU requires explicit rounding operations
   869 // to implement the UseStrictFP mode.
   870 const bool Matcher::strict_fp_requires_explicit_rounding = false;
   871 // The ecx parameter to rep stos for the ClearArray node is in dwords.
   872 const bool Matcher::init_array_count_is_in_bytes = false;
   875 // Indicate if the safepoint node needs the polling page as an input.
   876 // Since MIPS doesn't have absolute addressing, it needs.
   877 bool SafePointNode::needs_polling_address_input() {
   878   return false;
   879 }
   881 // !!!!! Special hack to get all type of calls to specify the byte offset
   882 //       from the start of the call to the point where the return address
   883 //       will point.
   884 int MachCallStaticJavaNode::ret_addr_offset() {
   885   //lui
   886   //ori
   887   //nop
   888   //nop
   889   //jalr
   890   //nop
   891   return 24; 
   892 }
   894 int MachCallDynamicJavaNode::ret_addr_offset() {
   895   //lui IC_Klass,
   896   //ori IC_Klass,
   897   //dsll IC_Klass
   898   //ori IC_Klass
   900   //lui T9
   901   //ori T9
   902   //nop
   903   //nop
   904   //jalr T9
   905   //nop
   906   return 4 * 4 + 4 * 6; 
   907 }
   909 //=============================================================================
   911 // Figure out which register class each belongs in: rc_int, rc_float, rc_stack
   912 enum RC { rc_bad, rc_int, rc_float, rc_stack };
   913 static enum RC rc_class( OptoReg::Name reg ) {
   914   if( !OptoReg::is_valid(reg)  ) return rc_bad;
   915   if (OptoReg::is_stack(reg)) return rc_stack;
   916   VMReg r = OptoReg::as_VMReg(reg);
   917   if (r->is_Register()) return rc_int;
   918   assert(r->is_FloatRegister(), "must be");
   919   return rc_float;
   920 }
   922 uint MachSpillCopyNode::implementation( CodeBuffer *cbuf, PhaseRegAlloc *ra_, bool do_size, outputStream* st ) const {
   923   // Get registers to move
   924   OptoReg::Name src_second = ra_->get_reg_second(in(1));
   925   OptoReg::Name src_first = ra_->get_reg_first(in(1));
   926   OptoReg::Name dst_second = ra_->get_reg_second(this );
   927   OptoReg::Name dst_first = ra_->get_reg_first(this );
   929   enum RC src_second_rc = rc_class(src_second);
   930   enum RC src_first_rc = rc_class(src_first);
   931   enum RC dst_second_rc = rc_class(dst_second);
   932   enum RC dst_first_rc = rc_class(dst_first);
   934   assert(OptoReg::is_valid(src_first) && OptoReg::is_valid(dst_first), "must move at least 1 register" );
   936   // Generate spill code!
   937   int size = 0;
   939   if( src_first == dst_first && src_second == dst_second )
   940     return 0;            // Self copy, no move
   942   if (src_first_rc == rc_stack) {
   943     // mem ->
   944     if (dst_first_rc == rc_stack) {
   945       // mem -> mem
   946       assert(src_second != dst_first, "overlap");
   947       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
   948           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
   949         // 64-bit
   950         int src_offset = ra_->reg2offset(src_first);
   951         int dst_offset = ra_->reg2offset(dst_first);
   952         if (cbuf) {
   953           MacroAssembler _masm(cbuf);
   954           __ ld(AT, Address(SP, src_offset));
   955           __ sd(AT, Address(SP, dst_offset));
   956 #ifndef PRODUCT
   957         } else {
   958 			if(!do_size){
   959 				if (size != 0) st->print("\n\t");
   960 				st->print("ld    AT, [SP + #%d]\t# 64-bit mem-mem spill 1\n\t"
   961 						  "sd    AT, [SP + #%d]",
   962 						  src_offset, dst_offset);
   963 			}
   964 #endif
   965         }
   966 		size += 8;
   967       } else {
   968         // 32-bit
   969         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
   970         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
   971         // No pushl/popl, so:
   972         int src_offset = ra_->reg2offset(src_first);
   973         int dst_offset = ra_->reg2offset(dst_first);
   974         if (cbuf) {
   975           MacroAssembler _masm(cbuf);
   976           __ lw(AT, Address(SP, src_offset));
   977           __ sw(AT, Address(SP, dst_offset));
   978 #ifndef PRODUCT
   979         } else {
   980 			if(!do_size){
   981 				if (size != 0) st->print("\n\t");
   982 				st->print("lw    AT, [SP + #%d] spill 2\n\t"
   983 						  "sw    AT, [SP + #%d]\n\t",
   984 						  src_offset, dst_offset);
   985 			}
   986 #endif
   987         }
   988 		size += 8;
   989       }
   990       return size;
   991     } else if (dst_first_rc == rc_int) {
   992       // mem -> gpr
   993       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
   994           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
   995         // 64-bit
   996         int offset = ra_->reg2offset(src_first);
   997         if (cbuf) {
   998           MacroAssembler _masm(cbuf);
   999           __ ld(as_Register(Matcher::_regEncode[dst_first]), Address(SP, offset));
  1000 #ifndef PRODUCT
  1001         } else {
  1002 			if(!do_size){
  1003 				if (size != 0) st->print("\n\t");
  1004 				st->print("ld    %s, [SP + #%d]\t# spill 3",
  1005 						  Matcher::regName[dst_first],
  1006 						  offset);
  1008 #endif
  1010 		size += 4;
  1011       } else {
  1012         // 32-bit
  1013         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1014         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1015         int offset = ra_->reg2offset(src_first);
  1016         if (cbuf) {
  1017           MacroAssembler _masm(cbuf);
  1018           if (this->ideal_reg() == Op_RegI)
  1019             __ lw(as_Register(Matcher::_regEncode[dst_first]), Address(SP, offset));
  1020           else
  1021             __ lwu(as_Register(Matcher::_regEncode[dst_first]), Address(SP, offset));
  1022 #ifndef PRODUCT
  1023         } else {
  1024 			if(!do_size){
  1025 				if (size != 0) st->print("\n\t");
  1026           if (this->ideal_reg() == Op_RegI)
  1027 				st->print("lw    %s, [SP + #%d]\t# spill 4",
  1028 						   Matcher::regName[dst_first],
  1029 						   offset);
  1030 		  else
  1031 				st->print("lwu    %s, [SP + #%d]\t# spill 5",
  1032 						   Matcher::regName[dst_first],
  1033 						   offset);
  1035 #endif
  1037 		size += 4;
  1039       return size;
  1040     } else if (dst_first_rc == rc_float) {
  1041       // mem-> xmm
  1042       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
  1043           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
  1044         // 64-bit
  1045         int offset = ra_->reg2offset(src_first);
  1046         if (cbuf) {
  1047           MacroAssembler _masm(cbuf);
  1048           __ ldc1( as_FloatRegister(Matcher::_regEncode[dst_first]), Address(SP, offset));
  1049 #ifndef PRODUCT
  1050         } else {
  1051 			if(!do_size){
  1052 				if (size != 0) st->print("\n\t");
  1053 				st->print("ldc1  %s, [SP + #%d]\t# spill 6",
  1054 						  Matcher::regName[dst_first],
  1055 						  offset);
  1057 #endif
  1059 		size += 4;
  1060       } else {
  1061         // 32-bit
  1062         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1063         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1064         int offset = ra_->reg2offset(src_first);
  1065         if (cbuf) {
  1066           MacroAssembler _masm(cbuf);
  1067           __ lwc1( as_FloatRegister(Matcher::_regEncode[dst_first]), Address(SP, offset));
  1068 #ifndef PRODUCT
  1069         } else {
  1070 			if(!do_size){
  1071 				if (size != 0) st->print("\n\t");
  1072 				st->print("lwc1   %s, [SP + #%d]\t# spill 7",
  1073 						  Matcher::regName[dst_first],
  1074 						  offset);
  1076 #endif
  1078 		size += 4;
  1080       return size;
  1082   } else if (src_first_rc == rc_int) {
  1083     // gpr ->
  1084     if (dst_first_rc == rc_stack) {
  1085       // gpr -> mem
  1086       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
  1087           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
  1088         // 64-bit
  1089         int offset = ra_->reg2offset(dst_first);
  1090         if (cbuf) {
  1091           MacroAssembler _masm(cbuf);
  1092           __ sd(as_Register(Matcher::_regEncode[src_first]), Address(SP, offset));
  1093 #ifndef PRODUCT
  1094         } else {
  1095 			if(!do_size){
  1096 				if (size != 0) st->print("\n\t");
  1097 				st->print("sd    %s, [SP + #%d] # spill 8",
  1098 						  Matcher::regName[src_first],
  1099 						  offset);
  1101 #endif
  1103 		size += 4;
  1104       } else {
  1105         // 32-bit
  1106         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1107         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1108         int offset = ra_->reg2offset(dst_first);
  1109         if (cbuf) {
  1110           MacroAssembler _masm(cbuf);
  1111           __ sw(as_Register(Matcher::_regEncode[src_first]), Address(SP, offset));
  1112 #ifndef PRODUCT
  1113         } else {
  1114 			if(!do_size){
  1115 				if (size != 0) st->print("\n\t");
  1116 				st->print("sw    %s, [SP + #%d]\t# spill 9",
  1117 						Matcher::regName[src_first], offset);
  1119 #endif
  1121 		size += 4;
  1123       return size;
  1124     } else if (dst_first_rc == rc_int) {
  1125       // gpr -> gpr
  1126       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
  1127           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
  1128         // 64-bit
  1129         if (cbuf) {
  1130           MacroAssembler _masm(cbuf);
  1131           __ move(as_Register(Matcher::_regEncode[dst_first]),
  1132                   as_Register(Matcher::_regEncode[src_first]));
  1133 #ifndef PRODUCT
  1134         } else {
  1135 			if(!do_size){
  1136 				if (size != 0) st->print("\n\t");
  1137 				st->print("move(64bit)    %s <-- %s\t# spill 10",
  1138 						  Matcher::regName[dst_first],
  1139 						  Matcher::regName[src_first]);
  1141 #endif
  1143 		size += 4;
  1144         return size;
  1145       } else {
  1146         // 32-bit
  1147         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1148         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1149         if (cbuf) {
  1150           MacroAssembler _masm(cbuf);
  1151           if (this->ideal_reg() == Op_RegI)
  1152               __ move_u32(as_Register(Matcher::_regEncode[dst_first]), as_Register(Matcher::_regEncode[src_first]));
  1153           else
  1154               __ daddu(as_Register(Matcher::_regEncode[dst_first]), as_Register(Matcher::_regEncode[src_first]), R0);
  1156 #ifndef PRODUCT
  1157         } else {
  1158 			if(!do_size){
  1159 				if (size != 0) st->print("\n\t");
  1160 				st->print("move(32-bit)    %s <-- %s\t# spill 11",
  1161 						  Matcher::regName[dst_first],
  1162 						  Matcher::regName[src_first]);
  1164 #endif
  1166 		size += 4;	
  1167         return size;
  1169     } else if (dst_first_rc == rc_float) {
  1170       // gpr -> xmm
  1171       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
  1172           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
  1173         // 64-bit
  1174         if (cbuf) {
  1175           MacroAssembler _masm(cbuf);
  1176           __ dmtc1(as_Register(Matcher::_regEncode[src_first]), as_FloatRegister(Matcher::_regEncode[dst_first]));
  1177 #ifndef PRODUCT
  1178         } else {
  1179 			if(!do_size){
  1180 				if (size != 0) st->print("\n\t");
  1181 				st->print("dmtc1   %s, %s\t# spill 12",
  1182 						  Matcher::regName[dst_first],
  1183 						  Matcher::regName[src_first]);
  1185 #endif
  1187 		size += 4;
  1188       } else {
  1189         // 32-bit
  1190         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1191         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1192         if (cbuf) {
  1193           MacroAssembler _masm(cbuf);
  1194           __ mtc1( as_Register(Matcher::_regEncode[src_first]), as_FloatRegister(Matcher::_regEncode[dst_first]) );
  1195 #ifndef PRODUCT
  1196         } else {
  1197 			if(!do_size){
  1198 				if (size != 0) st->print("\n\t");
  1199 				st->print("mtc1   %s, %s\t# spill 13",
  1200 						  Matcher::regName[dst_first],
  1201 						  Matcher::regName[src_first]);
  1203 #endif
  1205 		size += 4;
  1207       return size;
  1209   } else if (src_first_rc == rc_float) {
  1210     // xmm ->
  1211     if (dst_first_rc == rc_stack) {
  1212       // xmm -> mem
  1213       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
  1214           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
  1215         // 64-bit
  1216         int offset = ra_->reg2offset(dst_first);
  1217         if (cbuf) {
  1218           MacroAssembler _masm(cbuf);
  1219           __ sdc1( as_FloatRegister(Matcher::_regEncode[src_first]), Address(SP, offset) );
  1220 #ifndef PRODUCT
  1221         } else {
  1222 			if(!do_size){
  1223 				if (size != 0) st->print("\n\t");
  1224 				st->print("sdc1   %s, [SP + #%d]\t# spill 14",
  1225 						  Matcher::regName[src_first],
  1226 						  offset);
  1228 #endif
  1230 		size += 4;
  1231       } else {
  1232         // 32-bit
  1233         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1234         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1235         int offset = ra_->reg2offset(dst_first);
  1236         if (cbuf) {
  1237           MacroAssembler _masm(cbuf);
  1238           __ swc1(as_FloatRegister(Matcher::_regEncode[src_first]), Address(SP, offset));
  1239 #ifndef PRODUCT
  1240         } else {
  1241 			if(!do_size){
  1242 				if (size != 0) st->print("\n\t");
  1243 				st->print("swc1   %s, [SP + #%d]\t# spill 15",
  1244 						Matcher::regName[src_first],
  1245 						offset);
  1247 #endif
  1249 		size += 4;
  1251       return size;
  1252     } else if (dst_first_rc == rc_int) {
  1253       // xmm -> gpr
  1254       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
  1255           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
  1256         // 64-bit
  1257         if (cbuf) {
  1258           MacroAssembler _masm(cbuf);
  1259           __ dmfc1( as_Register(Matcher::_regEncode[dst_first]), as_FloatRegister(Matcher::_regEncode[src_first]));
  1260 #ifndef PRODUCT
  1261         } else {
  1262 			if(!do_size){
  1263 				if (size != 0) st->print("\n\t");
  1264 				st->print("dmfc1   %s, %s\t# spill 16",
  1265 						  Matcher::regName[dst_first],
  1266 						  Matcher::regName[src_first]);
  1268 #endif
  1270 		size += 4;
  1271       } else {
  1272         // 32-bit
  1273         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1274         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1275         if (cbuf) {
  1276           MacroAssembler _masm(cbuf);
  1277           __ mfc1( as_Register(Matcher::_regEncode[dst_first]), as_FloatRegister(Matcher::_regEncode[src_first]));
  1278 #ifndef PRODUCT
  1279         } else {
  1280 			if(!do_size){
  1281 				if (size != 0) st->print("\n\t");
  1282 				st->print("mfc1   %s, %s\t# spill 17",
  1283 						  Matcher::regName[dst_first],
  1284 						  Matcher::regName[src_first]);
  1286 #endif
  1288 		size += 4;
  1290       return size;
  1291     } else if (dst_first_rc == rc_float) {
  1292       // xmm -> xmm
  1293       if ((src_first & 1) == 0 && src_first + 1 == src_second &&
  1294           (dst_first & 1) == 0 && dst_first + 1 == dst_second) {
  1295         // 64-bit
  1296         if (cbuf) {
  1297           MacroAssembler _masm(cbuf);
  1298           __ mov_d( as_FloatRegister(Matcher::_regEncode[dst_first]), as_FloatRegister(Matcher::_regEncode[src_first]));
  1299 #ifndef PRODUCT
  1300         } else {
  1301 			if(!do_size){
  1302 				if (size != 0) st->print("\n\t");
  1303 				st->print("mov_d  %s <-- %s\t# spill 18",
  1304 						  Matcher::regName[dst_first],
  1305 						  Matcher::regName[src_first]);
  1307 #endif
  1309 		size += 4;
  1310       } else {
  1311         // 32-bit
  1312         assert(!((src_first & 1) == 0 && src_first + 1 == src_second), "no transform");
  1313         assert(!((dst_first & 1) == 0 && dst_first + 1 == dst_second), "no transform");
  1314         if (cbuf) {
  1315           MacroAssembler _masm(cbuf);
  1316           __ mov_s( as_FloatRegister(Matcher::_regEncode[dst_first]), as_FloatRegister(Matcher::_regEncode[src_first]));
  1317 #ifndef PRODUCT
  1318         } else {
  1319 			if(!do_size){
  1320 				if (size != 0) st->print("\n\t");
  1321 				st->print("mov_s  %s <-- %s\t# spill 19",
  1322 						  Matcher::regName[dst_first],
  1323 						  Matcher::regName[src_first]);
  1325 #endif
  1327 		size += 4;
  1329       return size;
  1333   assert(0," foo ");
  1334   Unimplemented();
  1335   return size;
  1339 #ifndef PRODUCT
  1340 void MachSpillCopyNode::format( PhaseRegAlloc *ra_, outputStream* st ) const {
  1341   implementation( NULL, ra_, false, st );
  1343 #endif
  1345 void MachSpillCopyNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
  1346   implementation( &cbuf, ra_, false, NULL );
  1349 uint MachSpillCopyNode::size(PhaseRegAlloc *ra_) const {
  1350   return implementation( NULL, ra_, true, NULL );
  1353 //=============================================================================
  1356 #ifndef PRODUCT
  1357 void MachBreakpointNode::format( PhaseRegAlloc *, outputStream* st ) const {
  1358   st->print("INT3");
  1360 #endif
  1362 void MachBreakpointNode::emit(CodeBuffer &cbuf, PhaseRegAlloc* ra_) const {
  1363   MacroAssembler _masm(&cbuf);
  1364   __ int3();
  1367 uint MachBreakpointNode::size(PhaseRegAlloc* ra_) const {
  1368   return MachNode::size(ra_);
  1372 //=============================================================================
  1373 #ifndef PRODUCT
  1374 void MachEpilogNode::format( PhaseRegAlloc *ra_, outputStream* st ) const {
  1375   Compile *C = ra_->C;
  1376   int framesize = C->frame_size_in_bytes();
  1378   assert((framesize & (StackAlignmentInBytes-1)) == 0, "frame size not aligned");
  1380   st->print("daddiu   SP, SP, %d # Rlease stack @ MachEpilogNode",framesize);
  1381   st->cr(); st->print("\t");
  1382   if (UseLoongsonISA) {
  1383      st->print("gslq  RA, FP, SP, %d # Restore FP & RA @ MachEpilogNode", -wordSize*2);
  1384   } else {
  1385      st->print("ld    RA, SP, %d # Restore RA @ MachEpilogNode", -wordSize);
  1386      st->cr(); st->print("\t");
  1387      st->print("ld    FP, SP, %d # Restore FP @ MachEpilogNode", -wordSize*2);
  1390   if( do_polling() && C->is_method_compilation() ) {
  1391     st->print("Poll Safepoint # MachEpilogNode");
  1394 #endif
  1396 void MachEpilogNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
  1397   Compile *C = ra_->C;
  1398   MacroAssembler _masm(&cbuf);
  1399   int framesize = C->frame_size_in_bytes();
  1401   assert((framesize & (StackAlignmentInBytes-1)) == 0, "frame size not aligned");
  1403   __ daddiu(SP, SP, framesize);
  1405   if (UseLoongsonISA) {
  1406     __ gslq(RA, FP, SP, -wordSize*2);
  1407   } else {
  1408     __ ld(RA, SP, -wordSize );
  1409     __ ld(FP, SP, -wordSize*2 );
  1412   if( do_polling() && C->is_method_compilation() ) {
  1413     __ set64(AT, (long)os::get_polling_page());
  1414     __ relocate(relocInfo::poll_return_type);
  1415     __ lw(AT, AT, 0);
  1419 uint MachEpilogNode::size(PhaseRegAlloc *ra_) const {
  1420   return MachNode::size(ra_); // too many variables; just compute it the hard way  fujie debug
  1423 int MachEpilogNode::reloc() const {
  1424   return 0; // a large enough number
  1427 const Pipeline * MachEpilogNode::pipeline() const {
  1428   return MachNode::pipeline_class();
  1431 int MachEpilogNode::safepoint_offset() const { return 0; }
  1433 //=============================================================================
  1435 #ifndef PRODUCT
  1436 void BoxLockNode::format( PhaseRegAlloc *ra_, outputStream* st ) const {
  1437   int offset = ra_->reg2offset(in_RegMask(0).find_first_elem());
  1438   int reg = ra_->get_reg_first(this);
  1439   st->print("ADDI %s, SP, %d   @BoxLockNode",Matcher::regName[reg],offset);
  1441 #endif
  1444 uint BoxLockNode::size(PhaseRegAlloc *ra_) const {
  1445   return 4;
  1448 void BoxLockNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
  1449   MacroAssembler _masm(&cbuf);
  1450   int offset = ra_->reg2offset(in_RegMask(0).find_first_elem());
  1451   int reg = ra_->get_encode(this);
  1453   __ addi(as_Register(reg), SP, offset);
  1454 /*
  1455   if( offset >= 128 ) {
  1456     emit_opcode(cbuf, 0x8D);      // LEA  reg,[SP+offset]
  1457     emit_rm(cbuf, 0x2, reg, 0x04);
  1458     emit_rm(cbuf, 0x0, 0x04, SP_enc);
  1459     emit_d32(cbuf, offset);
  1461   else {
  1462     emit_opcode(cbuf, 0x8D);      // LEA  reg,[SP+offset]
  1463     emit_rm(cbuf, 0x1, reg, 0x04);
  1464     emit_rm(cbuf, 0x0, 0x04, SP_enc);
  1465     emit_d8(cbuf, offset);
  1467 */
  1471 //static int sizeof_FFree_Float_Stack_All = -1;
  1473 int MachCallRuntimeNode::ret_addr_offset() {
  1474   //lui
  1475   //ori
  1476   //dsll
  1477   //ori
  1478   //jalr
  1479   //nop
  1480   assert(NativeCall::instruction_size == 24, "in MachCallRuntimeNode::ret_addr_offset()");
  1481   return NativeCall::instruction_size;
  1482 //  return 16;
  1489 //=============================================================================
  1490 #ifndef PRODUCT
  1491 void MachNopNode::format( PhaseRegAlloc *, outputStream* st ) const {
  1492   st->print("NOP \t# %d bytes pad for loops and calls", 4 * _count);
  1494 #endif
  1496 void MachNopNode::emit(CodeBuffer &cbuf, PhaseRegAlloc * ) const {
  1497   MacroAssembler _masm(&cbuf);
  1498   int i = 0;
  1499   for(i = 0; i < _count; i++)
  1500      __ nop();
  1503 uint MachNopNode::size(PhaseRegAlloc *) const {
  1504   return 4 * _count; 
  1506 const Pipeline* MachNopNode::pipeline() const {
  1507   return MachNode::pipeline_class();
  1510 //=============================================================================
  1512 //=============================================================================
  1513 #ifndef PRODUCT
  1514 void MachUEPNode::format( PhaseRegAlloc *ra_, outputStream* st ) const {
  1515   st->print_cr("load_klass(T9, T0)");
  1516   st->print_cr("\tbeq(T9, iCache, L)");
  1517   st->print_cr("\tnop");
  1518   st->print_cr("\tjmp(SharedRuntime::get_ic_miss_stub(), relocInfo::runtime_call_type)");
  1519   st->print_cr("\tnop");
  1520   st->print_cr("\tnop");
  1521   st->print_cr("    L:");
  1523 #endif
  1526 void MachUEPNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
  1527   MacroAssembler _masm(&cbuf);
  1528 #ifdef ASSERT
  1529   //uint code_size = cbuf.code_size();
  1530 #endif
  1531   int  ic_reg = Matcher::inline_cache_reg_encode();
  1532   Label L;
  1533   Register receiver = T0;
  1534   Register   iCache = as_Register(ic_reg);
  1535   __ load_klass(T9, receiver);
  1536   __ beq(T9, iCache, L);
  1537   __ nop();
  1539   __ relocate(relocInfo::runtime_call_type);
  1540   __ patchable_jump((address)SharedRuntime::get_ic_miss_stub());
  1542   /* WARNING these NOPs are critical so that verified entry point is properly
  1543    *      8 bytes aligned for patching by NativeJump::patch_verified_entry() */
  1544   __ align(CodeEntryAlignment);
  1545   __ bind(L);
  1548 uint MachUEPNode::size(PhaseRegAlloc *ra_) const {
  1549   return MachNode::size(ra_); 
  1554 //=============================================================================
  1556 const RegMask& MachConstantBaseNode::_out_RegMask = P_REG_mask();
  1558 int Compile::ConstantTable::calculate_table_base_offset() const {
  1559   return 0;  // absolute addressing, no offset
  1562 bool MachConstantBaseNode::requires_postalloc_expand() const { return false; }
  1563 void MachConstantBaseNode::postalloc_expand(GrowableArray <Node *> *nodes, PhaseRegAlloc *ra_) {
  1564   ShouldNotReachHere();
  1567 void MachConstantBaseNode::emit(CodeBuffer& cbuf, PhaseRegAlloc* ra_) const {
  1568   Compile* C = ra_->C;
  1569   Compile::ConstantTable& constant_table = C->constant_table();
  1570   MacroAssembler _masm(&cbuf);
  1572   Register Rtoc = as_Register(ra_->get_encode(this));
  1573   CodeSection* consts_section = __ code()->consts();
  1574   int consts_size = consts_section->align_at_start(consts_section->size());
  1575   assert(constant_table.size() == consts_size, "must be equal");
  1577   if (consts_section->size()) {
  1578     // Materialize the constant table base.
  1579     address baseaddr = consts_section->start() + -(constant_table.table_base_offset());
  1580     // RelocationHolder rspec = internal_word_Relocation::spec(baseaddr);
  1581     __ relocate(relocInfo::internal_pc_type);
  1582     __ patchable_set48(Rtoc, (long)baseaddr);
  1586 uint MachConstantBaseNode::size(PhaseRegAlloc* ra_) const {
  1587   // patchable_set48 (4 insts)
  1588   return 4 * 4;
  1591 #ifndef PRODUCT
  1592 void MachConstantBaseNode::format(PhaseRegAlloc* ra_, outputStream* st) const {
  1593   Register r = as_Register(ra_->get_encode(this));
  1594   st->print("patchable_set48    %s, &constanttable (constant table base) @ MachConstantBaseNode", r->name());
  1596 #endif
  1599 //=============================================================================
  1600 #ifndef PRODUCT
  1601 void MachPrologNode::format( PhaseRegAlloc *ra_, outputStream* st ) const {
  1602   Compile* C = ra_->C;
  1604   int framesize = C->frame_size_in_bytes();
  1605   int bangsize = C->bang_size_in_bytes();
  1606   assert((framesize & (StackAlignmentInBytes-1)) == 0, "frame size not aligned");
  1608   // Calls to C2R adapters often do not accept exceptional returns.
  1609   // We require that their callers must bang for them.  But be careful, because
  1610   // some VM calls (such as call site linkage) can use several kilobytes of
  1611   // stack.  But the stack safety zone should account for that.
  1612   // See bugs 4446381, 4468289, 4497237.
  1613   if (C->need_stack_bang(bangsize)) {
  1614     st->print_cr("# stack bang"); st->print("\t");
  1616     if (UseLoongsonISA) {
  1617        st->print("gssq     RA, FP, %d(SP)  @ MachPrologNode\n\t", -wordSize*2);
  1618     } else {
  1619        st->print("sd       RA, %d(SP)  @ MachPrologNode\n\t", -wordSize);
  1620        st->print("sd       FP, %d(SP)  @ MachPrologNode\n\t", -wordSize*2);
  1622     st->print("daddiu   FP, SP, -%d \n\t", wordSize*2);
  1623     st->print("daddiu   SP, SP, -%d \t",framesize);
  1625 #endif
  1628 void MachPrologNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
  1629   Compile* C = ra_->C;
  1630   MacroAssembler _masm(&cbuf);
  1632   int framesize = C->frame_size_in_bytes();
  1633   int bangsize = C->bang_size_in_bytes();
  1635   assert((framesize & (StackAlignmentInBytes-1)) == 0, "frame size not aligned");
  1637   if (C->need_stack_bang(bangsize)) {
  1638     __ generate_stack_overflow_check(bangsize);
  1641   if (UseLoongsonISA) {
  1642      __ gssq(RA, FP, SP, -wordSize*2); 
  1643   } else {
  1644      __ sd(RA, SP, -wordSize);
  1645      __ sd(FP, SP, -wordSize*2);
  1647   __ daddiu(FP, SP, -wordSize*2);
  1648   __ daddiu(SP, SP, -framesize);
  1649   __ nop(); /* 2013.10.22 Jin: Make enough room for patch_verified_entry() */
  1650   __ nop();
  1652   C->set_frame_complete(cbuf.insts_size());
  1653   if (C->has_mach_constant_base_node()) {
  1654 	  // NOTE: We set the table base offset here because users might be
  1655 	  // emitted before MachConstantBaseNode.
  1656 	  Compile::ConstantTable& constant_table = C->constant_table();
  1657 	  constant_table.set_table_base_offset(constant_table.calculate_table_base_offset());
  1663 uint MachPrologNode::size(PhaseRegAlloc *ra_) const {
  1664   return MachNode::size(ra_); // too many variables; just compute it the hard way
  1667 int MachPrologNode::reloc() const {
  1668   return 0; // a large enough number
  1671 %}
  1673 //----------ENCODING BLOCK-----------------------------------------------------
  1674 // This block specifies the encoding classes used by the compiler to output
  1675 // byte streams.  Encoding classes generate functions which are called by
  1676 // Machine Instruction Nodes in order to generate the bit encoding of the
  1677 // instruction.  Operands specify their base encoding interface with the
  1678 // interface keyword.  There are currently supported four interfaces,
  1679 // REG_INTER, CONST_INTER, MEMORY_INTER, & COND_INTER.  REG_INTER causes an
  1680 // operand to generate a function which returns its register number when
  1681 // queried.   CONST_INTER causes an operand to generate a function which
  1682 // returns the value of the constant when queried.  MEMORY_INTER causes an
  1683 // operand to generate four functions which return the Base Register, the
  1684 // Index Register, the Scale Value, and the Offset Value of the operand when
  1685 // queried.  COND_INTER causes an operand to generate six functions which
  1686 // return the encoding code (ie - encoding bits for the instruction)
  1687 // associated with each basic boolean condition for a conditional instruction.
  1688 // Instructions specify two basic values for encoding.  They use the
  1689 // ins_encode keyword to specify their encoding class (which must be one of
  1690 // the class names specified in the encoding block), and they use the
  1691 // opcode keyword to specify, in order, their primary, secondary, and
  1692 // tertiary opcode.  Only the opcode sections which a particular instruction
  1693 // needs for encoding need to be specified.
  1694 encode %{
  1696   //Load byte signed
  1697   enc_class load_B_enc (mRegI dst, memory mem) %{
  1698      MacroAssembler _masm(&cbuf);
  1699      int  dst = $dst$$reg;
  1700      int  base = $mem$$base;
  1701      int  index = $mem$$index;
  1702      int  scale = $mem$$scale;
  1703      int  disp = $mem$$disp;
  1705      if( index != 0 ) {
  1706         if( Assembler::is_simm16(disp) ) { 
  1707            if( UseLoongsonISA ) {
  1708               if (scale == 0) {
  1709                  __ gslbx(as_Register(dst), as_Register(base), as_Register(index), disp);
  1710               } else {
  1711                  __ dsll(AT, as_Register(index), scale);
  1712                  __ gslbx(as_Register(dst), as_Register(base), AT, disp);
  1714            } else {
  1715               if (scale == 0) {
  1716                  __ addu(AT, as_Register(base), as_Register(index));
  1717               } else {
  1718                  __ dsll(AT, as_Register(index), scale);
  1719                  __ addu(AT, as_Register(base), AT);
  1721               __ lb(as_Register(dst), AT, disp);
  1723         } else {
  1724            if (scale == 0) {
  1725               __ addu(AT, as_Register(base), as_Register(index));
  1726            } else {
  1727               __ dsll(AT, as_Register(index), scale);
  1728               __ addu(AT, as_Register(base), AT);
  1730            __ move(T9, disp);
  1731            if( UseLoongsonISA ) {
  1732               __ gslbx(as_Register(dst), AT, T9, 0);
  1733            } else {
  1734               __ addu(AT, AT, T9); 
  1735               __ lb(as_Register(dst), AT, 0);
  1738      } else {
  1739         if( Assembler::is_simm16(disp) ) { 
  1740            __ lb(as_Register(dst), as_Register(base), disp);
  1741         } else {
  1742            __ move(T9, disp);   
  1743            if( UseLoongsonISA ) {
  1744               __ gslbx(as_Register(dst), as_Register(base), T9, 0);
  1745            } else {
  1746               __ addu(AT, as_Register(base), T9); 
  1747               __ lb(as_Register(dst), AT, 0);
  1751   %}
  1753   //Load byte unsigned
  1754   enc_class load_UB_enc (mRegI dst, memory mem) %{
  1755      MacroAssembler _masm(&cbuf);
  1756      int  dst = $dst$$reg;
  1757      int  base = $mem$$base;
  1758      int  index = $mem$$index;
  1759      int  scale = $mem$$scale;
  1760      int  disp = $mem$$disp;
  1762      if( index != 0 ) {
  1763         if (scale == 0) {
  1764            __ daddu(AT, as_Register(base), as_Register(index));
  1765         } else {
  1766            __ dsll(AT, as_Register(index), scale);
  1767            __ daddu(AT, as_Register(base), AT);
  1769         if( Assembler::is_simm16(disp) ) { 
  1770            __ lbu(as_Register(dst), AT, disp);
  1771         } else {
  1772            __ move(T9, disp);
  1773            __ daddu(AT, AT, T9); 
  1774            __ lbu(as_Register(dst), AT, 0);
  1776      } else {
  1777         if( Assembler::is_simm16(disp) ) { 
  1778            __ lbu(as_Register(dst), as_Register(base), disp);
  1779         } else {
  1780            __ move(T9, disp);   
  1781            __ daddu(AT, as_Register(base), T9); 
  1782            __ lbu(as_Register(dst), AT, 0);
  1785   %}
  1787   enc_class store_B_reg_enc (memory mem, mRegI src) %{
  1788      MacroAssembler _masm(&cbuf);
  1789      int  src = $src$$reg;
  1790      int  base = $mem$$base;
  1791      int  index = $mem$$index;
  1792      int  scale = $mem$$scale;
  1793      int  disp = $mem$$disp;
  1795      if( index != 0 ) {
  1796         if (scale == 0) {
  1797            if( Assembler::is_simm(disp, 8) ) { 
  1798               if (UseLoongsonISA) {
  1799                  __ gssbx(as_Register(src), as_Register(base), as_Register(index), disp);
  1800               } else {
  1801                  __ addu(AT, as_Register(base), as_Register(index));
  1802                  __ sb(as_Register(src), AT, disp);
  1804            } else if( Assembler::is_simm16(disp) ) { 
  1805               __ addu(AT, as_Register(base), as_Register(index));
  1806               __ sb(as_Register(src), AT, disp);
  1807            } else {
  1808               __ addu(AT, as_Register(base), as_Register(index));
  1809               __ move(T9, disp);
  1810               if (UseLoongsonISA) {
  1811                  __ gssbx(as_Register(src), AT, T9, 0);
  1812               } else {
  1813                  __ addu(AT, AT, T9); 
  1814                  __ sb(as_Register(src), AT, 0);
  1817         } else {
  1818            __ dsll(AT, as_Register(index), scale);
  1819            if( Assembler::is_simm(disp, 8) ) { 
  1820               if (UseLoongsonISA) {
  1821                  __ gssbx(as_Register(src), AT, as_Register(base), disp);
  1822               } else {
  1823                  __ addu(AT, as_Register(base), AT);
  1824                  __ sb(as_Register(src), AT, disp);
  1826            } else if( Assembler::is_simm16(disp) ) { 
  1827               __ addu(AT, as_Register(base), AT);
  1828               __ sb(as_Register(src), AT, disp);
  1829            } else {
  1830               __ addu(AT, as_Register(base), AT);
  1831               __ move(T9, disp);
  1832               if (UseLoongsonISA) {
  1833                  __ gssbx(as_Register(src), AT, T9, 0);
  1834               } else {
  1835                  __ addu(AT, AT, T9); 
  1836                  __ sb(as_Register(src), AT, 0);
  1840      } else {
  1841         if( Assembler::is_simm16(disp) ) { 
  1842            __ sb(as_Register(src), as_Register(base), disp);
  1843         } else {
  1844            __ move(T9, disp);   
  1845            if (UseLoongsonISA) {
  1846               __ gssbx(as_Register(src), as_Register(base), T9, 0);
  1847            } else {
  1848               __ addu(AT, as_Register(base), T9); 
  1849               __ sb(as_Register(src), AT, 0);
  1853   %}
  1855   enc_class store_B_immI_enc (memory mem, immI8 src) %{
  1856      MacroAssembler _masm(&cbuf);
  1857      int  base = $mem$$base;
  1858      int  index = $mem$$index;
  1859      int  scale = $mem$$scale;
  1860      int  disp = $mem$$disp;
  1861      int value = $src$$constant;
  1863      if( index != 0 ) {
  1864         if (!UseLoongsonISA) {
  1865            if (scale == 0) {
  1866               __ daddu(AT, as_Register(base), as_Register(index));
  1867            } else {
  1868               __ dsll(AT, as_Register(index), scale);
  1869               __ daddu(AT, as_Register(base), AT);
  1871            if( Assembler::is_simm16(disp) ) { 
  1872               if (value == 0) {
  1873                  __ sb(R0, AT, disp);
  1874               } else {
  1875                  __ move(T9, value);
  1876                  __ sb(T9, AT, disp);
  1878            } else {
  1879               if (value == 0) {
  1880                  __ move(T9, disp);
  1881                  __ daddu(AT, AT, T9); 
  1882                  __ sb(R0, AT, 0);
  1883               } else {
  1884                  __ move(T9, disp);
  1885                  __ daddu(AT, AT, T9); 
  1886                  __ move(T9, value);
  1887                  __ sb(T9, AT, 0);
  1890         } else {
  1892            if (scale == 0) {
  1893               if( Assembler::is_simm(disp, 8) ) { 
  1894                  if (value == 0) {
  1895                     __ gssbx(R0, as_Register(base), as_Register(index), disp);
  1896                  } else {
  1897                     __ move(T9, value);
  1898                     __ gssbx(T9, as_Register(base), as_Register(index), disp);
  1900               } else if( Assembler::is_simm16(disp) ) { 
  1901                  __ daddu(AT, as_Register(base), as_Register(index));
  1902                  if (value == 0) {
  1903                     __ sb(R0, AT, disp);
  1904                  } else {
  1905                     __ move(T9, value);
  1906                     __ sb(T9, AT, disp);
  1908               } else {
  1909                  if (value == 0) {
  1910                     __ daddu(AT, as_Register(base), as_Register(index));
  1911                     __ move(T9, disp);
  1912                     __ gssbx(R0, AT, T9, 0);
  1913                  } else {
  1914                     __ move(AT, disp);
  1915                     __ move(T9, value);
  1916                     __ daddu(AT, as_Register(base), AT);
  1917                     __ gssbx(T9, AT, as_Register(index), 0);
  1921            } else {
  1923               if( Assembler::is_simm(disp, 8) ) { 
  1924                  __ dsll(AT, as_Register(index), scale);
  1925                  if (value == 0) {
  1926                     __ gssbx(R0, as_Register(base), AT, disp);
  1927                  } else {
  1928                     __ move(T9, value);
  1929                     __ gssbx(T9, as_Register(base), AT, disp);
  1931               } else if( Assembler::is_simm16(disp) ) { 
  1932                  __ dsll(AT, as_Register(index), scale);
  1933                  __ daddu(AT, as_Register(base), AT);
  1934                  if (value == 0) {
  1935                     __ sb(R0, AT, disp);
  1936                  } else {
  1937                     __ move(T9, value);
  1938                     __ sb(T9, AT, disp);
  1940               } else {
  1941                  __ dsll(AT, as_Register(index), scale);
  1942                  if (value == 0) {
  1943                     __ daddu(AT, as_Register(base), AT);
  1944                     __ move(T9, disp);
  1945                     __ gssbx(R0, AT, T9, 0);
  1946                  } else {
  1947                     __ move(T9, disp);
  1948                     __ daddu(AT, AT, T9); 
  1949                     __ move(T9, value);
  1950                     __ gssbx(T9, as_Register(base), AT, 0);
  1955      } else {
  1956         if( Assembler::is_simm16(disp) ) { 
  1957            if (value == 0) {
  1958               __ sb(R0, as_Register(base), disp);
  1959            } else {
  1960               __ move(AT, value);
  1961               __ sb(AT, as_Register(base), disp);
  1963         } else {
  1964            if (value == 0) {
  1965               __ move(T9, disp);   
  1966               if (UseLoongsonISA) {
  1967                 __ gssbx(R0, as_Register(base), T9, 0);
  1968               } else {
  1969                 __ daddu(AT, as_Register(base), T9); 
  1970                 __ sb(R0, AT, 0);
  1972            } else {
  1973               __ move(T9, disp);   
  1974               if (UseLoongsonISA) {
  1975                 __ move(AT, value);
  1976                 __ gssbx(AT, as_Register(base), T9, 0);
  1977               } else {
  1978                 __ daddu(AT, as_Register(base), T9); 
  1979                 __ move(T9, value);
  1980                 __ sb(T9, AT, 0);
  1985   %}
  1988   enc_class store_B_immI_enc_sync (memory mem, immI8 src) %{
  1989      MacroAssembler _masm(&cbuf);
  1990      int  base = $mem$$base;
  1991      int  index = $mem$$index;
  1992      int  scale = $mem$$scale;
  1993      int  disp = $mem$$disp;
  1994      int value = $src$$constant;
  1996      if( index != 0 ) {
  1997 		 if ( UseLoongsonISA ) {
  1998 			if ( Assembler::is_simm(disp,8) ) {
  1999 				if ( scale == 0 ) {
  2000 					if ( value == 0 ) {
  2001 						__ gssbx(R0, as_Register(base), as_Register(index), disp);
  2002 					} else {
  2003 						__ move(AT, value);
  2004 						__ gssbx(AT, as_Register(base), as_Register(index), disp);
  2006 				} else {
  2007 					__ dsll(AT, as_Register(index), scale);
  2008 					if ( value == 0 ) {
  2009 						__ gssbx(R0, as_Register(base), AT, disp);
  2010 					} else {
  2011 						__ move(T9, value);
  2012 						__ gssbx(T9, as_Register(base), AT, disp);
  2015 			} else if ( Assembler::is_simm16(disp) ) {
  2016 				if ( scale == 0 ) {
  2017 					__ daddu(AT, as_Register(base), as_Register(index));
  2018 					if ( value == 0 ){
  2019 						__ sb(R0, AT, disp);
  2020 					} else {
  2021 						__ move(T9, value);
  2022 						__ sb(T9, AT, disp);
  2024 				} else {
  2025 					__ dsll(AT, as_Register(index), scale);
  2026 					__ daddu(AT, as_Register(base), AT);
  2027 					if ( value == 0 ) {
  2028 						__ sb(R0, AT, disp);
  2029 					} else {
  2030 						__ move(T9, value);
  2031 						__ sb(T9, AT, disp);
  2034 			} else {
  2035 				if ( scale == 0 ) {
  2036 					__ move(AT, disp);
  2037 					__ daddu(AT, as_Register(index), AT);
  2038 					if ( value == 0 ) {
  2039 						__ gssbx(R0, as_Register(base), AT, 0);
  2040 					} else {
  2041 						__ move(T9, value);
  2042 						__ gssbx(T9, as_Register(base), AT, 0);
  2044 				} else {
  2045 					__ dsll(AT, as_Register(index), scale);
  2046 					__ move(T9, disp);
  2047 					__ daddu(AT, AT, T9);
  2048 					if ( value == 0 ) {
  2049 						__ gssbx(R0, as_Register(base), AT, 0);
  2050 					} else {
  2051 						__ move(T9, value);
  2052 						__ gssbx(T9, as_Register(base), AT, 0);
  2056 		 } else { //not use loongson isa
  2057 		    if (scale == 0) {
  2058 			   __ daddu(AT, as_Register(base), as_Register(index));
  2059 		    } else {
  2060 			   __ dsll(AT, as_Register(index), scale);
  2061 			   __ daddu(AT, as_Register(base), AT);
  2063 		    if( Assembler::is_simm16(disp) ) { 
  2064 			   if (value == 0) {
  2065 			      __ sb(R0, AT, disp);
  2066 			   } else {
  2067 		          __ move(T9, value);
  2068 				  __ sb(T9, AT, disp);
  2070 			} else {
  2071 		       if (value == 0) {
  2072 	              __ move(T9, disp);
  2073 				  __ daddu(AT, AT, T9); 
  2074 			      __ sb(R0, AT, 0);
  2075 		       } else {
  2076 	              __ move(T9, disp);
  2077 				  __ daddu(AT, AT, T9); 
  2078 			      __ move(T9, value);
  2079 		          __ sb(T9, AT, 0);
  2083      } else {
  2084 		 if ( UseLoongsonISA ){
  2085 			if ( Assembler::is_simm16(disp) ){
  2086 				if ( value == 0 ) {
  2087 					__ sb(R0, as_Register(base), disp);
  2088 				} else {
  2089 					__ move(AT, value);
  2090 					__ sb(AT, as_Register(base), disp);
  2092 			} else {
  2093 				__ move(AT, disp);
  2094 				if ( value == 0 ) {
  2095 					__ gssbx(R0, as_Register(base), AT, 0);
  2096 				} else {
  2097 					__ move(T9, value);
  2098 					__ gssbx(T9, as_Register(base), AT, 0);
  2101 		 } else {
  2102 		    if( Assembler::is_simm16(disp) ) { 
  2103 	           if (value == 0) {
  2104 			      __ sb(R0, as_Register(base), disp);
  2105 		       } else {
  2106 	              __ move(AT, value);
  2107 				  __ sb(AT, as_Register(base), disp);
  2109 		    } else {
  2110 	           if (value == 0) {
  2111 				  __ move(T9, disp);   
  2112 			      __ daddu(AT, as_Register(base), T9); 
  2113 		          __ sb(R0, AT, 0);
  2114 	           } else {
  2115 				  __ move(T9, disp);   
  2116 			      __ daddu(AT, as_Register(base), T9); 
  2117 		          __ move(T9, value);
  2118 	              __ sb(T9, AT, 0);
  2124      __ sync();
  2125   %}
  2127   // Load Short (16bit signed)
  2128   enc_class load_S_enc (mRegI dst, memory mem) %{
  2129      MacroAssembler _masm(&cbuf);
  2130      int  dst = $dst$$reg;
  2131      int  base = $mem$$base;
  2132      int  index = $mem$$index;
  2133      int  scale = $mem$$scale;
  2134      int  disp = $mem$$disp;
  2136      if( index != 0 ) {
  2137 		 if ( UseLoongsonISA ) {
  2138 			if ( Assembler::is_simm(disp, 8) ) {
  2139 				if (scale == 0) {
  2140 					__ gslhx(as_Register(dst), as_Register(base), as_Register(index), disp);
  2141 				} else {
  2142 					__ dsll(AT, as_Register(index), scale);
  2143 					__ gslhx(as_Register(dst), as_Register(base), AT, disp);
  2145 			} else if ( Assembler::is_simm16(disp) ) {
  2146 				if (scale == 0) {
  2147 					__ daddu(AT, as_Register(base), as_Register(index));
  2148 					__ lh(as_Register(dst), AT, disp);
  2149 				} else {
  2150 					__ dsll(AT, as_Register(index), scale);
  2151 					__ daddu(AT, as_Register(base), AT);
  2152 					__ lh(as_Register(dst), AT, disp);
  2154 			} else {
  2155 				if (scale == 0) {
  2156 					__ move(AT, disp);
  2157 					__ daddu(AT, as_Register(index), AT);
  2158 					__ gslhx(as_Register(dst), as_Register(base), AT, 0);
  2159 				} else {
  2160 					__ dsll(AT, as_Register(index), scale);
  2161 					__ move(T9, disp);
  2162 					__ daddu(AT, AT, T9);
  2163 					__ gslhx(as_Register(dst), as_Register(base), AT, 0);
  2166 		 } else { // not use loongson isa
  2167 		    if (scale == 0) {
  2168 			   __ daddu(AT, as_Register(base), as_Register(index));
  2169 		    } else {
  2170 			   __ dsll(AT, as_Register(index), scale);
  2171 		       __ daddu(AT, as_Register(base), AT);
  2173 		    if( Assembler::is_simm16(disp) ) { 
  2174 		       __ lh(as_Register(dst), AT, disp);
  2175 	        } else {
  2176 	           __ move(T9, disp);
  2177 			   __ daddu(AT, AT, T9); 
  2178 		       __ lh(as_Register(dst), AT, 0);
  2181      } else { // index is 0
  2182 		 if ( UseLoongsonISA ) {
  2183 			if ( Assembler::is_simm16(disp) ) {
  2184 				__ lh(as_Register(dst), as_Register(base), disp);
  2185 			} else {
  2186 				__ move(T9, disp);
  2187 				__ gslhx(as_Register(dst), as_Register(base), T9, 0);
  2189 		 } else { //not use loongson isa
  2190 		    if( Assembler::is_simm16(disp) ) { 
  2191 			   __ lh(as_Register(dst), as_Register(base), disp);
  2192 		    } else {
  2193 	           __ move(T9, disp);   
  2194 			   __ daddu(AT, as_Register(base), T9); 
  2195 		       __ lh(as_Register(dst), AT, 0);
  2199   %}
  2201   // Load Char (16bit unsigned)
  2202   enc_class load_C_enc (mRegI dst, memory mem) %{
  2203      MacroAssembler _masm(&cbuf);
  2204      int  dst = $dst$$reg;
  2205      int  base = $mem$$base;
  2206      int  index = $mem$$index;
  2207      int  scale = $mem$$scale;
  2208      int  disp = $mem$$disp;
  2210      if( index != 0 ) {
  2211         if (scale == 0) {
  2212            __ daddu(AT, as_Register(base), as_Register(index));
  2213         } else {
  2214            __ dsll(AT, as_Register(index), scale);
  2215            __ daddu(AT, as_Register(base), AT);
  2217         if( Assembler::is_simm16(disp) ) { 
  2218            __ lhu(as_Register(dst), AT, disp);
  2219         } else {
  2220            __ move(T9, disp);
  2221            __ addu(AT, AT, T9); 
  2222            __ lhu(as_Register(dst), AT, 0);
  2224      } else {
  2225         if( Assembler::is_simm16(disp) ) { 
  2226            __ lhu(as_Register(dst), as_Register(base), disp);
  2227         } else {
  2228            __ move(T9, disp);   
  2229            __ daddu(AT, as_Register(base), T9); 
  2230            __ lhu(as_Register(dst), AT, 0);
  2233   %}
  2235   // Store Char (16bit unsigned)
  2236   enc_class store_C_reg_enc (memory mem, mRegI src) %{
  2237      MacroAssembler _masm(&cbuf);
  2238      int  src = $src$$reg;
  2239      int  base = $mem$$base;
  2240      int  index = $mem$$index;
  2241      int  scale = $mem$$scale;
  2242      int  disp = $mem$$disp;
  2244      if( index != 0 ) {
  2245         if( Assembler::is_simm16(disp) ) { 
  2246            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  2247               if (scale == 0) {
  2248                  __ gsshx(as_Register(src), as_Register(base), as_Register(index), disp);
  2249               } else {
  2250                  __ dsll(AT, as_Register(index), scale);
  2251                  __ gsshx(as_Register(src), as_Register(base), AT, disp);
  2253            } else {
  2254               if (scale == 0) {
  2255                  __ addu(AT, as_Register(base), as_Register(index));
  2256               } else {
  2257                  __ dsll(AT, as_Register(index), scale);
  2258                  __ addu(AT, as_Register(base), AT);
  2260               __ sh(as_Register(src), AT, disp);
  2262         } else {
  2263            if (scale == 0) {
  2264               __ addu(AT, as_Register(base), as_Register(index));
  2265            } else {
  2266               __ dsll(AT, as_Register(index), scale);
  2267               __ addu(AT, as_Register(base), AT);
  2269            __ move(T9, disp);
  2270            if( UseLoongsonISA ) {
  2271               __ gsshx(as_Register(src), AT, T9, 0);
  2272            } else {
  2273               __ addu(AT, AT, T9); 
  2274               __ sh(as_Register(src), AT, 0);
  2277      } else {
  2278         if( Assembler::is_simm16(disp) ) { 
  2279            __ sh(as_Register(src), as_Register(base), disp);
  2280         } else {
  2281            __ move(T9, disp);   
  2282            if( UseLoongsonISA ) {
  2283               __ gsshx(as_Register(src), as_Register(base), T9, 0);
  2284            } else {
  2285               __ addu(AT, as_Register(base), T9); 
  2286               __ sh(as_Register(src), AT, 0);
  2290   %}
  2292   enc_class store_C0_enc (memory mem) %{
  2293      MacroAssembler _masm(&cbuf);
  2294      int  base = $mem$$base;
  2295      int  index = $mem$$index;
  2296      int  scale = $mem$$scale;
  2297      int  disp = $mem$$disp;
  2299      if( index != 0 ) {
  2300         if( Assembler::is_simm16(disp) ) { 
  2301            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  2302               if (scale == 0) {
  2303                  __ gsshx(R0, as_Register(base), as_Register(index), disp);
  2304               } else {
  2305                  __ dsll(AT, as_Register(index), scale);
  2306                  __ gsshx(R0, as_Register(base), AT, disp);
  2308            } else {
  2309               if (scale == 0) {
  2310                  __ addu(AT, as_Register(base), as_Register(index));
  2311               } else {
  2312                  __ dsll(AT, as_Register(index), scale);
  2313                  __ addu(AT, as_Register(base), AT);
  2315               __ sh(R0, AT, disp);
  2317         } else {
  2318            if (scale == 0) {
  2319               __ addu(AT, as_Register(base), as_Register(index));
  2320            } else {
  2321               __ dsll(AT, as_Register(index), scale);
  2322               __ addu(AT, as_Register(base), AT);
  2324            __ move(T9, disp);
  2325            if( UseLoongsonISA ) {
  2326               __ gsshx(R0, AT, T9, 0);
  2327            } else {
  2328               __ addu(AT, AT, T9); 
  2329               __ sh(R0, AT, 0);
  2332      } else {
  2333         if( Assembler::is_simm16(disp) ) { 
  2334            __ sh(R0, as_Register(base), disp);
  2335         } else {
  2336            __ move(T9, disp);   
  2337            if( UseLoongsonISA ) {
  2338               __ gsshx(R0, as_Register(base), T9, 0);
  2339            } else {
  2340               __ addu(AT, as_Register(base), T9); 
  2341               __ sh(R0, AT, 0);
  2345   %}
  2347   enc_class load_I_enc (mRegI dst, memory mem) %{
  2348      MacroAssembler _masm(&cbuf);
  2349      int  dst = $dst$$reg;
  2350      int  base = $mem$$base;
  2351      int  index = $mem$$index;
  2352      int  scale = $mem$$scale;
  2353      int  disp = $mem$$disp;
  2355      if( index != 0 ) {
  2356         if( Assembler::is_simm16(disp) ) { 
  2357            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  2358               if (scale == 0) {
  2359                  __ gslwx(as_Register(dst), as_Register(base), as_Register(index), disp);
  2360               } else {
  2361                  __ dsll(AT, as_Register(index), scale);
  2362                  __ gslwx(as_Register(dst), as_Register(base), AT, disp);
  2364            } else {
  2365               if (scale == 0) {
  2366                  __ addu(AT, as_Register(base), as_Register(index));
  2367               } else {
  2368                  __ dsll(AT, as_Register(index), scale);
  2369                  __ addu(AT, as_Register(base), AT);
  2371               __ lw(as_Register(dst), AT, disp);
  2373         } else {
  2374            if (scale == 0) {
  2375               __ addu(AT, as_Register(base), as_Register(index));
  2376            } else {
  2377               __ dsll(AT, as_Register(index), scale);
  2378               __ addu(AT, as_Register(base), AT);
  2380            __ move(T9, disp);
  2381            if( UseLoongsonISA ) {
  2382               __ gslwx(as_Register(dst), AT, T9, 0);
  2383            } else {
  2384               __ addu(AT, AT, T9); 
  2385               __ lw(as_Register(dst), AT, 0);
  2388      } else {
  2389         if( Assembler::is_simm16(disp) ) { 
  2390            __ lw(as_Register(dst), as_Register(base), disp);
  2391         } else {
  2392            __ move(T9, disp);   
  2393            if( UseLoongsonISA ) {
  2394               __ gslwx(as_Register(dst), as_Register(base), T9, 0);
  2395            } else {
  2396               __ addu(AT, as_Register(base), T9); 
  2397               __ lw(as_Register(dst), AT, 0);
  2401   %}
  2403   enc_class store_I_reg_enc (memory mem, mRegI src) %{
  2404      MacroAssembler _masm(&cbuf);
  2405      int  src = $src$$reg;
  2406      int  base = $mem$$base;
  2407      int  index = $mem$$index;
  2408      int  scale = $mem$$scale;
  2409      int  disp = $mem$$disp;
  2411      if( index != 0 ) {
  2412         if( Assembler::is_simm16(disp) ) { 
  2413            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  2414               if (scale == 0) {
  2415                  __ gsswx(as_Register(src), as_Register(base), as_Register(index), disp);
  2416               } else {
  2417                  __ dsll(AT, as_Register(index), scale);
  2418                  __ gsswx(as_Register(src), as_Register(base), AT, disp);
  2420            } else {
  2421               if (scale == 0) {
  2422                  __ addu(AT, as_Register(base), as_Register(index));
  2423               } else {
  2424                  __ dsll(AT, as_Register(index), scale);
  2425                  __ addu(AT, as_Register(base), AT);
  2427               __ sw(as_Register(src), AT, disp);
  2429         } else {
  2430            if (scale == 0) {
  2431               __ addu(AT, as_Register(base), as_Register(index));
  2432            } else {
  2433               __ dsll(AT, as_Register(index), scale);
  2434               __ addu(AT, as_Register(base), AT);
  2436            __ move(T9, disp);
  2437            if( UseLoongsonISA ) {
  2438               __ gsswx(as_Register(src), AT, T9, 0);
  2439            } else {
  2440               __ addu(AT, AT, T9); 
  2441               __ sw(as_Register(src), AT, 0);
  2444      } else {
  2445         if( Assembler::is_simm16(disp) ) { 
  2446            __ sw(as_Register(src), as_Register(base), disp);
  2447         } else {
  2448            __ move(T9, disp);   
  2449            if( UseLoongsonISA ) {
  2450               __ gsswx(as_Register(src), as_Register(base), T9, 0);
  2451            } else {
  2452               __ addu(AT, as_Register(base), T9); 
  2453               __ sw(as_Register(src), AT, 0);
  2457   %}
  2459   enc_class store_I_immI_enc (memory mem, immI src) %{
  2460      MacroAssembler _masm(&cbuf);
  2461      int  base = $mem$$base;
  2462      int  index = $mem$$index;
  2463      int  scale = $mem$$scale;
  2464      int  disp = $mem$$disp;
  2465      int value = $src$$constant;
  2467      if( index != 0 ) {
  2468         if ( UseLoongsonISA ) {
  2469            if ( Assembler::is_simm(disp, 8) ) {
  2470               if ( scale == 0 ) {
  2471                  if ( value == 0 ) {
  2472                     __ gsswx(R0, as_Register(base), as_Register(index), disp);
  2473                  } else {
  2474                     __ move(T9, value);
  2475                     __ gsswx(T9, as_Register(base), as_Register(index), disp);
  2477               } else {
  2478                  __ dsll(AT, as_Register(index), scale);
  2479                  if ( value == 0 ) {
  2480                     __ gsswx(R0, as_Register(base), AT, disp);
  2481                  } else {
  2482                     __ move(T9, value);
  2483                     __ gsswx(T9, as_Register(base), AT, disp);
  2486            } else if ( Assembler::is_simm16(disp) ) {
  2487                 if ( scale == 0 ) {
  2488                    __ daddu(AT, as_Register(base), as_Register(index));
  2489                    if ( value == 0 ) {
  2490                       __ sw(R0, AT, disp);
  2491                    } else {
  2492                       __ move(T9, value);
  2493 					  __ sw(T9, AT, disp);
  2495                 } else {
  2496 				   __ dsll(AT, as_Register(index), scale);
  2497                    __ daddu(AT, as_Register(base), AT);
  2498                    if ( value == 0 ) {
  2499                       __ sw(R0, AT, disp);
  2500                    } else {
  2501                       __ move(T9, value);
  2502                       __ sw(T9, AT, disp);
  2505 			} else {
  2506                  if ( scale == 0 ) {
  2507                     __ move(T9, disp);
  2508                     __ daddu(AT, as_Register(index), T9);
  2509                     if ( value ==0 ) {
  2510                        __ gsswx(R0, as_Register(base), AT, 0);
  2511                     } else {
  2512                        __ move(T9, value);
  2513                        __ gsswx(T9, as_Register(base), AT, 0);
  2515                  } else {
  2516                       __ dsll(AT, as_Register(index), scale);
  2517 					  __ move(T9, disp);
  2518 					  __ daddu(AT, AT, T9);
  2519                       if ( value == 0 ) {
  2520                          __ gsswx(R0, as_Register(base), AT, 0);
  2521 					  } else {
  2522 						 __ move(T9, value);
  2523 						 __ gsswx(T9, as_Register(base), AT, 0);
  2527 		} else { //not use loongson isa
  2528              if (scale == 0) {
  2529                 __ daddu(AT, as_Register(base), as_Register(index));
  2530              } else {
  2531                 __ dsll(AT, as_Register(index), scale);
  2532 			    __ daddu(AT, as_Register(base), AT);
  2534 	         if( Assembler::is_simm16(disp) ) { 
  2535                 if (value == 0) {
  2536                    __ sw(R0, AT, disp);
  2537                 } else {
  2538 		           __ move(T9, value);
  2539 			       __ sw(T9, AT, disp);
  2541 		     } else {
  2542                 if (value == 0) {
  2543 				   __ move(T9, disp);
  2544 			       __ daddu(AT, AT, T9); 
  2545 			       __ sw(R0, AT, 0);
  2546 			    } else {
  2547 			       __ move(T9, disp);
  2548 			       __ daddu(AT, AT, T9); 
  2549 			       __ move(T9, value);
  2550 			       __ sw(T9, AT, 0);
  2554      } else {
  2555 		 if ( UseLoongsonISA ) {
  2556 			if ( Assembler::is_simm16(disp) ) {
  2557 				if ( value == 0 ) {
  2558 					__ sw(R0, as_Register(base), disp);
  2559 				} else {
  2560 					__ move(AT, value);
  2561 					__ sw(AT, as_Register(base), disp);
  2563 			} else {
  2564 				__ move(T9, disp);
  2565 				if ( value == 0 ) {
  2566 					__ gsswx(R0, as_Register(base), T9, 0);
  2567 				} else {
  2568 					__ move(AT, value);
  2569 					__ gsswx(AT, as_Register(base), T9, 0);
  2572 		 } else {
  2573 		    if( Assembler::is_simm16(disp) ) { 
  2574 			   if (value == 0) {
  2575 		          __ sw(R0, as_Register(base), disp);
  2576 	           } else {
  2577 	              __ move(AT, value);
  2578 				  __ sw(AT, as_Register(base), disp);
  2580 		    } else {
  2581 	           if (value == 0) {
  2582 	              __ move(T9, disp);   
  2583 				  __ daddu(AT, as_Register(base), T9); 
  2584 			      __ sw(R0, AT, 0);
  2585 		      } else {
  2586 			      __ move(T9, disp);   
  2587 		          __ daddu(AT, as_Register(base), T9); 
  2588 				  __ move(T9, value);
  2589 			      __ sw(T9, AT, 0);
  2594   %}
  2596   enc_class load_N_enc (mRegN dst, memory mem) %{
  2597      MacroAssembler _masm(&cbuf);
  2598      int  dst = $dst$$reg;
  2599      int  base = $mem$$base;
  2600      int  index = $mem$$index;
  2601      int  scale = $mem$$scale;
  2602      int  disp = $mem$$disp;
  2603 	 relocInfo::relocType disp_reloc = $mem->disp_reloc();
  2604 	 assert(disp_reloc == relocInfo::none, "cannot have disp");
  2606      if( index != 0 ) {
  2607         if (scale == 0) {
  2608            __ daddu(AT, as_Register(base), as_Register(index));
  2609         } else {
  2610            __ dsll(AT, as_Register(index), scale);
  2611            __ daddu(AT, as_Register(base), AT);
  2613         if( Assembler::is_simm16(disp) ) { 
  2614            __ lwu(as_Register(dst), AT, disp);
  2615         } else {
  2616            __ set64(T9, disp);
  2617            __ daddu(AT, AT, T9);
  2618            __ lwu(as_Register(dst), AT, 0);
  2620      } else {
  2621         if( Assembler::is_simm16(disp) ) { 
  2622            __ lwu(as_Register(dst), as_Register(base), disp);
  2623         } else {
  2624            __ set64(T9, disp);   
  2625            __ daddu(AT, as_Register(base), T9);
  2626            __ lwu(as_Register(dst), AT, 0);
  2630   %}
  2633   enc_class load_P_enc (mRegP dst, memory mem) %{
  2634      MacroAssembler _masm(&cbuf);
  2635      int  dst = $dst$$reg;
  2636      int  base = $mem$$base;
  2637      int  index = $mem$$index;
  2638      int  scale = $mem$$scale;
  2639      int  disp = $mem$$disp;
  2640 	 relocInfo::relocType disp_reloc = $mem->disp_reloc();
  2641 	 assert(disp_reloc == relocInfo::none, "cannot have disp");
  2643      if( index != 0 ) {
  2644         if ( UseLoongsonISA ) {
  2645            if ( Assembler::is_simm(disp, 8) ) {
  2646               if ( scale != 0 ) {
  2647                  __ dsll(AT, as_Register(index), scale);
  2648                  __ gsldx(as_Register(dst), as_Register(base), AT, disp);
  2649               } else {
  2650                  __ gsldx(as_Register(dst), as_Register(base), as_Register(index), disp);
  2652            } else if ( Assembler::is_simm16(disp) ){
  2653               if ( scale != 0 ) {
  2654                  __ dsll(AT, as_Register(index), scale);
  2655                  __ daddu(AT, AT, as_Register(base));
  2656               } else {
  2657                  __ daddu(AT, as_Register(index), as_Register(base));
  2659               __ ld(as_Register(dst), AT, disp);
  2660            } else {
  2661                 if ( scale != 0 ) {
  2662                    __ dsll(AT, as_Register(index), scale);
  2663                    __ move(T9, disp);
  2664                    __ daddu(AT, AT, T9);
  2665                 } else {
  2666                    __ move(T9, disp);
  2667                    __ daddu(AT, as_Register(index), T9);
  2669                 __ gsldx(as_Register(dst), as_Register(base), AT, 0);
  2671 	    } else { //not use loongson isa
  2672              if (scale == 0) {
  2673                 __ daddu(AT, as_Register(base), as_Register(index));
  2674              } else {
  2675                 __ dsll(AT, as_Register(index), scale);
  2676                 __ daddu(AT, as_Register(base), AT);
  2678              if( Assembler::is_simm16(disp) ) { 
  2679                 __ ld(as_Register(dst), AT, disp);
  2680              } else {
  2681                 __ set64(T9, disp);
  2682                 __ daddu(AT, AT, T9);
  2683                 __ ld(as_Register(dst), AT, 0);
  2686      } else {
  2687 	      if ( UseLoongsonISA ) {
  2688 	         if ( Assembler::is_simm16(disp) ){
  2689 	            __ ld(as_Register(dst), as_Register(base), disp);
  2690 	         } else {
  2691 	            __ set64(T9, disp);
  2692  	            __ gsldx(as_Register(dst), as_Register(base), T9, 0);
  2694 	      } else { //not use loongson isa
  2695 	         if( Assembler::is_simm16(disp) ) { 
  2696                 __ ld(as_Register(dst), as_Register(base), disp);
  2697              } else {
  2698                 __ set64(T9, disp);   
  2699                 __ daddu(AT, as_Register(base), T9);
  2700                 __ ld(as_Register(dst), AT, 0);
  2704 //     if( disp_reloc != relocInfo::none) __ ld(as_Register(dst), as_Register(dst), 0);
  2705   %}
  2707   enc_class store_P_reg_enc (memory mem, mRegP src) %{
  2708      MacroAssembler _masm(&cbuf);
  2709      int  src = $src$$reg;
  2710      int  base = $mem$$base;
  2711      int  index = $mem$$index;
  2712      int  scale = $mem$$scale;
  2713      int  disp = $mem$$disp;
  2715      if( index != 0 ) {
  2716 	    if ( UseLoongsonISA ){
  2717 	       if ( Assembler::is_simm(disp, 8) ) {
  2718 	          if ( scale == 0 ) {
  2719 		         __ gssdx(as_Register(src), as_Register(base), as_Register(index), disp);
  2720 	          } else {
  2721 		         __ dsll(AT, as_Register(index), scale);
  2722         	     __ gssdx(as_Register(src), as_Register(base), AT, disp);
  2724 	       } else if ( Assembler::is_simm16(disp) ) {
  2725 	          if ( scale == 0 ) {
  2726 		         __ daddu(AT, as_Register(base), as_Register(index));
  2727 	          } else {
  2728                  __ dsll(AT, as_Register(index), scale);
  2729                  __ daddu(AT, as_Register(base), AT);
  2731               __ sd(as_Register(src), AT, disp);
  2732 	       } else {
  2733 	          if ( scale == 0 ) { 
  2734                  __ move(T9, disp);
  2735                  __ daddu(AT, as_Register(index), T9);
  2736               } else {
  2737                  __ dsll(AT, as_Register(index), scale);
  2738                  __ move(T9, disp);
  2739                  __ daddu(AT, AT, T9);
  2741               __ gssdx(as_Register(src), as_Register(base), AT, 0); 
  2743 	    } else { //not use loongson isa
  2744            if (scale == 0) {
  2745               __ daddu(AT, as_Register(base), as_Register(index));
  2746            } else {
  2747               __ dsll(AT, as_Register(index), scale);
  2748               __ daddu(AT, as_Register(base), AT);
  2750            if( Assembler::is_simm16(disp) ) { 
  2751               __ sd(as_Register(src), AT, disp);
  2752            } else {
  2753               __ move(T9, disp);
  2754               __ daddu(AT, AT, T9); 
  2755               __ sd(as_Register(src), AT, 0);
  2758      } else {
  2759           if ( UseLoongsonISA ) {
  2760              if ( Assembler::is_simm16(disp) ) {
  2761 	            __ sd(as_Register(src), as_Register(base), disp);
  2762 	         } else {
  2763 	            __ move(T9, disp);
  2764                 __ gssdx(as_Register(src), as_Register(base), T9, 0);
  2766 	      } else {
  2767              if( Assembler::is_simm16(disp) ) { 
  2768                  __ sd(as_Register(src), as_Register(base), disp);
  2769              } else {
  2770                  __ move(T9, disp);   
  2771                  __ daddu(AT, as_Register(base), T9); 
  2772                  __ sd(as_Register(src), AT, 0);
  2776   %}
  2778   enc_class store_N_reg_enc (memory mem, mRegN src) %{
  2779      MacroAssembler _masm(&cbuf);
  2780      int  src = $src$$reg;
  2781      int  base = $mem$$base;
  2782      int  index = $mem$$index;
  2783      int  scale = $mem$$scale;
  2784      int  disp = $mem$$disp;
  2786      if( index != 0 ) {
  2787         if ( UseLoongsonISA ){
  2788 	       if ( Assembler::is_simm(disp, 8) ) {
  2789               if ( scale == 0 ) {
  2790 	             __ gsswx(as_Register(src), as_Register(base), as_Register(index), disp);
  2791 	          } else {
  2792                  __ dsll(AT, as_Register(index), scale);
  2793                  __ gsswx(as_Register(src), as_Register(base), AT, disp);
  2795 	       } else if ( Assembler::is_simm16(disp) ) {
  2796               if ( scale == 0 ) {
  2797                  __ daddu(AT, as_Register(base), as_Register(index));
  2798 	          } else {
  2799 		         __ dsll(AT, as_Register(index), scale);
  2800 		         __ daddu(AT, as_Register(base), AT);
  2802  	          __ sw(as_Register(src), AT, disp);
  2803 	       } else {
  2804 	          if ( scale == 0 ) {
  2805 	             __ move(T9, disp);
  2806                  __ daddu(AT, as_Register(index), T9);
  2807 	          } else {
  2808                  __ dsll(AT, as_Register(index), scale);
  2809 	 	         __ move(T9, disp);
  2810                  __ daddu(AT, AT, T9);
  2812 	          __ gsswx(as_Register(src), as_Register(base), AT, 0);
  2814 	    } else { //not use loongson isa
  2815 	       if (scale == 0) {
  2816               __ daddu(AT, as_Register(base), as_Register(index));
  2817            } else {
  2818               __ dsll(AT, as_Register(index), scale);
  2819               __ daddu(AT, as_Register(base), AT);
  2821            if( Assembler::is_simm16(disp) ) { 
  2822               __ sw(as_Register(src), AT, disp);
  2823            } else {
  2824               __ move(T9, disp);
  2825               __ daddu(AT, AT, T9);
  2826               __ sw(as_Register(src), AT, 0);
  2829      } else {
  2830         if ( UseLoongsonISA ) {
  2831            if ( Assembler::is_simm16(disp) ) {
  2832 	          __ sw(as_Register(src), as_Register(base), disp);
  2833 	       } else {
  2834 	          __ move(T9, disp);
  2835 	          __ gsswx(as_Register(src), as_Register(base), T9, 0);
  2837  	    } else {
  2838            if( Assembler::is_simm16(disp) ) { 
  2839               __ sw(as_Register(src), as_Register(base), disp);
  2840            } else {
  2841               __ move(T9, disp);   
  2842               __ daddu(AT, as_Register(base), T9); 
  2843               __ sw(as_Register(src), AT, 0);
  2847   %}
  2849   enc_class store_P_immP0_enc (memory mem) %{
  2850      MacroAssembler _masm(&cbuf);
  2851      int  base = $mem$$base;
  2852      int  index = $mem$$index;
  2853      int  scale = $mem$$scale;
  2854      int  disp = $mem$$disp;
  2856      if( index != 0 ) {
  2857         if (scale == 0) {
  2858            if( Assembler::is_simm16(disp) ) { 
  2859               if (UseLoongsonISA && Assembler::is_simm(disp, 8)) {
  2860                 __ gssdx(R0, as_Register(base), as_Register(index), disp);
  2861               } else {
  2862                 __ daddu(AT, as_Register(base), as_Register(index));
  2863                 __ sd(R0, AT, disp);
  2865            } else {
  2866               __ daddu(AT, as_Register(base), as_Register(index));
  2867               __ move(T9, disp);
  2868               if(UseLoongsonISA) {
  2869                 __ gssdx(R0, AT, T9, 0);
  2870               } else {
  2871                 __ daddu(AT, AT, T9); 
  2872                 __ sd(R0, AT, 0);
  2875         } else {
  2876            __ dsll(AT, as_Register(index), scale);
  2877            if( Assembler::is_simm16(disp) ) { 
  2878               if (UseLoongsonISA && Assembler::is_simm(disp, 8)) {
  2879                 __ gssdx(R0, as_Register(base), AT, disp);
  2880               } else {
  2881                 __ daddu(AT, as_Register(base), AT);
  2882                 __ sd(R0, AT, disp);
  2884            } else {
  2885               __ daddu(AT, as_Register(base), AT);
  2886               __ move(T9, disp);
  2887               if (UseLoongsonISA) {
  2888                 __ gssdx(R0, AT, T9, 0);
  2889               } else {
  2890                 __ daddu(AT, AT, T9); 
  2891                 __ sd(R0, AT, 0);
  2895      } else {
  2896         if( Assembler::is_simm16(disp) ) { 
  2897            __ sd(R0, as_Register(base), disp);
  2898         } else {
  2899            __ move(T9, disp);   
  2900            if (UseLoongsonISA) {
  2901              __ gssdx(R0, as_Register(base), T9, 0);
  2902            } else {
  2903              __ daddu(AT, as_Register(base), T9); 
  2904              __ sd(R0, AT, 0);
  2908   %}
  2910   enc_class storeImmN0_enc(memory mem, ImmN0 src) %{
  2911      MacroAssembler _masm(&cbuf);
  2912      int  base = $mem$$base;
  2913      int  index = $mem$$index;
  2914      int  scale = $mem$$scale;
  2915      int  disp = $mem$$disp;
  2917 	 if(index!=0){
  2918                  if (scale == 0) {
  2919                     __ daddu(AT, as_Register(base), as_Register(index));
  2920                  } else {
  2921                     __ dsll(AT, as_Register(index), scale);
  2922                     __ daddu(AT, as_Register(base), AT);
  2925 		 if( Assembler::is_simm16(disp) ) { 
  2926 			 __ sw(R0, AT, disp);
  2927 		 } else {
  2928 			 __ move(T9, disp);
  2929 			 __ daddu(AT, AT, T9); 
  2930 			 __ sw(R0, AT, 0);
  2933      else {
  2934 		 if( Assembler::is_simm16(disp) ) { 
  2935 			 __ sw(R0, as_Register(base), disp);
  2936 		 } else {
  2937 			 __ move(T9, disp);
  2938 			 __ daddu(AT, as_Register(base), T9); 
  2939 			 __ sw(R0, AT, 0);
  2942   %} 
  2944   enc_class load_L_enc (mRegL dst, memory mem) %{
  2945      MacroAssembler _masm(&cbuf);
  2946      int  base = $mem$$base;
  2947      int  index = $mem$$index;
  2948      int  scale = $mem$$scale;
  2949      int  disp = $mem$$disp;
  2950      Register  dst_reg = as_Register($dst$$reg);
  2952      // For implicit null check
  2953      __ lb(AT, as_Register(base), 0);
  2955      if( index != 0 ) {
  2956         if (scale == 0) {
  2957            __ daddu(AT, as_Register(base), as_Register(index));
  2958         } else {
  2959            __ dsll(AT, as_Register(index), scale);
  2960            __ daddu(AT, as_Register(base), AT);
  2962         if( Assembler::is_simm16(disp) ) { 
  2963            __ ld(dst_reg, AT, disp);
  2964         } else {
  2965            __ move(T9, disp);
  2966            __ daddu(AT, AT, T9); 
  2967            __ ld(dst_reg, AT, 0);
  2969      } else {
  2970         if( Assembler::is_simm16(disp) ) { 
  2971            __ ld(dst_reg, as_Register(base), disp);
  2972         } else {
  2973            __ move(T9, disp);   
  2974            __ daddu(AT, as_Register(base), T9); 
  2975            __ ld(dst_reg, AT, 0);
  2978   %}
  2980   enc_class store_L_reg_enc (memory mem, mRegL src) %{
  2981      MacroAssembler _masm(&cbuf);
  2982      int  base = $mem$$base;
  2983      int  index = $mem$$index;
  2984      int  scale = $mem$$scale;
  2985      int  disp = $mem$$disp;
  2986      Register  src_reg = as_Register($src$$reg);
  2988      if( index != 0 ) {
  2989         if (scale == 0) {
  2990            __ daddu(AT, as_Register(base), as_Register(index));
  2991         } else {
  2992            __ dsll(AT, as_Register(index), scale);
  2993            __ daddu(AT, as_Register(base), AT);
  2995         if( Assembler::is_simm16(disp) ) { 
  2996            __ sd(src_reg, AT, disp);
  2997         } else {
  2998            __ move(T9, disp);
  2999            __ daddu(AT, AT, T9); 
  3000            __ sd(src_reg, AT, 0);
  3002      } else {
  3003         if( Assembler::is_simm16(disp) ) { 
  3004            __ sd(src_reg, as_Register(base), disp);
  3005         } else {
  3006            __ move(T9, disp);   
  3007            __ daddu(AT, as_Register(base), T9); 
  3008            __ sd(src_reg, AT, 0);
  3011   %}
  3013   enc_class store_L_immL0_enc (memory mem, immL0 src) %{
  3014      MacroAssembler _masm(&cbuf);
  3015      int  base = $mem$$base;
  3016      int  index = $mem$$index;
  3017      int  scale = $mem$$scale;
  3018      int  disp = $mem$$disp;
  3020      if( index != 0 ) {
  3021         // For implicit null check
  3022         __ lb(AT, as_Register(base), 0);
  3024         if (scale == 0) {
  3025            __ daddu(AT, as_Register(base), as_Register(index));
  3026         } else {
  3027            __ dsll(AT, as_Register(index), scale);
  3028            __ daddu(AT, as_Register(base), AT);
  3030         if( Assembler::is_simm16(disp) ) { 
  3031            __ sd(R0, AT, disp);
  3032         } else {
  3033            __ move(T9, disp);
  3034            __ addu(AT, AT, T9); 
  3035            __ sd(R0, AT, 0);
  3037      } else {
  3038         if( Assembler::is_simm16(disp) ) { 
  3039            __ sd(R0, as_Register(base), disp);
  3040         } else {
  3041            __ move(T9, disp);   
  3042            __ addu(AT, as_Register(base), T9); 
  3043            __ sd(R0, AT, 0);
  3046   %}
  3048   enc_class store_L_immL_enc (memory mem, immL src) %{
  3049      MacroAssembler _masm(&cbuf);
  3050      int  base = $mem$$base;
  3051      int  index = $mem$$index;
  3052      int  scale = $mem$$scale;
  3053      int  disp = $mem$$disp;
  3054      long  imm = $src$$constant;
  3056      if( index != 0 ) {
  3057         if (scale == 0) {
  3058            __ daddu(AT, as_Register(base), as_Register(index));
  3059         } else {
  3060            __ dsll(AT, as_Register(index), scale);
  3061            __ daddu(AT, as_Register(base), AT);
  3063         if( Assembler::is_simm16(disp) ) { 
  3064            __ set64(T9, imm);
  3065            __ sd(T9, AT, disp);
  3066         } else {
  3067            __ move(T9, disp);
  3068            __ addu(AT, AT, T9);
  3069            __ set64(T9, imm);
  3070            __ sd(T9, AT, 0);
  3072      } else {
  3073         if( Assembler::is_simm16(disp) ) { 
  3074            __ move(AT, as_Register(base));
  3075            __ set64(T9, imm);
  3076            __ sd(T9, AT, disp);
  3077         } else {
  3078            __ move(T9, disp);
  3079            __ addu(AT, as_Register(base), T9);
  3080            __ set64(T9, imm);
  3081            __ sd(T9, AT, 0);
  3084   %}
  3086   enc_class load_F_enc (regF dst, memory mem) %{
  3087      MacroAssembler _masm(&cbuf);
  3088      int  base = $mem$$base;
  3089      int  index = $mem$$index;
  3090      int  scale = $mem$$scale;
  3091      int  disp = $mem$$disp;
  3092      FloatRegister dst = $dst$$FloatRegister;
  3094      if( index != 0 ) {
  3095         if( Assembler::is_simm16(disp) ) { 
  3096            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  3097               if (scale == 0) {
  3098                  __ gslwxc1(dst, as_Register(base), as_Register(index), disp);
  3099               } else {
  3100                  __ dsll(AT, as_Register(index), scale);
  3101                  __ gslwxc1(dst, as_Register(base), AT, disp);
  3103            } else {
  3104               if (scale == 0) {
  3105                  __ daddu(AT, as_Register(base), as_Register(index));
  3106               } else {
  3107                  __ dsll(AT, as_Register(index), scale);
  3108                  __ daddu(AT, as_Register(base), AT);
  3110               __ lwc1(dst, AT, disp);
  3112         } else {
  3113            if (scale == 0) {
  3114               __ daddu(AT, as_Register(base), as_Register(index));
  3115            } else {
  3116               __ dsll(AT, as_Register(index), scale);
  3117               __ daddu(AT, as_Register(base), AT);
  3119            __ move(T9, disp);
  3120            if( UseLoongsonISA ) {
  3121               __ gslwxc1(dst, AT, T9, 0);
  3122            } else {
  3123               __ daddu(AT, AT, T9); 
  3124               __ lwc1(dst, AT, 0);
  3127      } else {
  3128         if( Assembler::is_simm16(disp) ) { 
  3129            __ lwc1(dst, as_Register(base), disp);
  3130         } else {
  3131            __ move(T9, disp);   
  3132            if( UseLoongsonISA ) {
  3133               __ gslwxc1(dst, as_Register(base), T9, 0);
  3134            } else {
  3135               __ daddu(AT, as_Register(base), T9); 
  3136               __ lwc1(dst, AT, 0);
  3140   %}
  3142   enc_class store_F_reg_enc (memory mem, regF src) %{
  3143      MacroAssembler _masm(&cbuf);
  3144      int  base = $mem$$base;
  3145      int  index = $mem$$index;
  3146      int  scale = $mem$$scale;
  3147      int  disp = $mem$$disp;
  3148      FloatRegister src = $src$$FloatRegister;
  3150      if( index != 0 ) {
  3151         if( Assembler::is_simm16(disp) ) { 
  3152            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  3153               if (scale == 0) {
  3154                  __ gsswxc1(src, as_Register(base), as_Register(index), disp);
  3155               } else {
  3156                  __ dsll(AT, as_Register(index), scale);
  3157                  __ gsswxc1(src, as_Register(base), AT, disp);
  3159            } else {
  3160               if (scale == 0) {
  3161                  __ daddu(AT, as_Register(base), as_Register(index));
  3162               } else {
  3163                  __ dsll(AT, as_Register(index), scale);
  3164                  __ daddu(AT, as_Register(base), AT);
  3166               __ swc1(src, AT, disp);
  3168         } else {
  3169            if (scale == 0) {
  3170               __ daddu(AT, as_Register(base), as_Register(index));
  3171            } else {
  3172               __ dsll(AT, as_Register(index), scale);
  3173               __ daddu(AT, as_Register(base), AT);
  3175            __ move(T9, disp);
  3176            if( UseLoongsonISA ) {
  3177               __ gsswxc1(src, AT, T9, 0);
  3178            } else {
  3179               __ daddu(AT, AT, T9); 
  3180               __ swc1(src, AT, 0);
  3183      } else {
  3184         if( Assembler::is_simm16(disp) ) { 
  3185            __ swc1(src, as_Register(base), disp);
  3186         } else {
  3187            __ move(T9, disp);   
  3188            if( UseLoongsonISA ) {
  3189               __ gsswxc1(src, as_Register(base), T9, 0);
  3190            } else {
  3191               __ daddu(AT, as_Register(base), T9); 
  3192               __ swc1(src, AT, 0);
  3196   %}
  3198   enc_class load_D_enc (regD dst, memory mem) %{
  3199      MacroAssembler _masm(&cbuf);
  3200      int  base = $mem$$base;
  3201      int  index = $mem$$index;
  3202      int  scale = $mem$$scale;
  3203      int  disp = $mem$$disp;
  3204      FloatRegister dst_reg = as_FloatRegister($dst$$reg);
  3206      if( index != 0 ) {
  3207         if( Assembler::is_simm16(disp) ) { 
  3208            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  3209               if (scale == 0) {
  3210                  __ gsldxc1(dst_reg, as_Register(base), as_Register(index), disp);
  3211               } else {
  3212                  __ dsll(AT, as_Register(index), scale);
  3213                  __ gsldxc1(dst_reg, as_Register(base), AT, disp);
  3215            } else {
  3216               if (scale == 0) {
  3217                  __ daddu(AT, as_Register(base), as_Register(index));
  3218               } else {
  3219                  __ dsll(AT, as_Register(index), scale);
  3220                  __ daddu(AT, as_Register(base), AT);
  3222               __ ldc1(dst_reg, AT, disp);
  3224         } else {
  3225            if (scale == 0) {
  3226               __ daddu(AT, as_Register(base), as_Register(index));
  3227            } else {
  3228               __ dsll(AT, as_Register(index), scale);
  3229               __ daddu(AT, as_Register(base), AT);
  3231            __ move(T9, disp);
  3232            if( UseLoongsonISA ) {
  3233               __ gsldxc1(dst_reg, AT, T9, 0);
  3234            } else {
  3235               __ addu(AT, AT, T9); 
  3236               __ ldc1(dst_reg, AT, 0);
  3239      } else {
  3240         if( Assembler::is_simm16(disp) ) { 
  3241            __ ldc1(dst_reg, as_Register(base), disp);
  3242         } else {
  3243            __ move(T9, disp);   
  3244            if( UseLoongsonISA ) {
  3245               __ gsldxc1(dst_reg, as_Register(base), T9, 0);
  3246            } else {
  3247               __ addu(AT, as_Register(base), T9); 
  3248               __ ldc1(dst_reg, AT, 0);
  3252   %}
  3254   enc_class store_D_reg_enc (memory mem, regD src) %{
  3255      MacroAssembler _masm(&cbuf);
  3256      int  base = $mem$$base;
  3257      int  index = $mem$$index;
  3258      int  scale = $mem$$scale;
  3259      int  disp = $mem$$disp;
  3260      FloatRegister src_reg = as_FloatRegister($src$$reg);
  3262      if( index != 0 ) {
  3263         if( Assembler::is_simm16(disp) ) { 
  3264            if( UseLoongsonISA && Assembler::is_simm(disp, 8) ) {
  3265               if (scale == 0) {
  3266                  __ gssdxc1(src_reg, as_Register(base), as_Register(index), disp);
  3267               } else {
  3268                  __ dsll(AT, as_Register(index), scale);
  3269                  __ gssdxc1(src_reg, as_Register(base), AT, disp);
  3271            } else {
  3272               if (scale == 0) {
  3273                  __ daddu(AT, as_Register(base), as_Register(index));
  3274               } else {
  3275                  __ dsll(AT, as_Register(index), scale);
  3276                  __ daddu(AT, as_Register(base), AT);
  3278               __ sdc1(src_reg, AT, disp);
  3280         } else {
  3281            if (scale == 0) {
  3282               __ daddu(AT, as_Register(base), as_Register(index));
  3283            } else {
  3284               __ dsll(AT, as_Register(index), scale);
  3285               __ daddu(AT, as_Register(base), AT);
  3287            __ move(T9, disp);
  3288            if( UseLoongsonISA ) {
  3289               __ gssdxc1(src_reg, AT, T9, 0);
  3290            } else {
  3291               __ addu(AT, AT, T9); 
  3292               __ sdc1(src_reg, AT, 0);
  3295      } else {
  3296         if( Assembler::is_simm16(disp) ) { 
  3297            __ sdc1(src_reg, as_Register(base), disp);
  3298         } else {
  3299            __ move(T9, disp);   
  3300            if( UseLoongsonISA ) {
  3301               __ gssdxc1(src_reg, as_Register(base), T9, 0);
  3302            } else {
  3303               __ addu(AT, as_Register(base), T9); 
  3304               __ sdc1(src_reg, AT, 0);
  3308   %}
  3310   enc_class Java_To_Runtime (method meth) %{    // CALL Java_To_Runtime, Java_To_Runtime_Leaf
  3311       MacroAssembler _masm(&cbuf);
  3312     // This is the instruction starting address for relocation info.
  3313     __ block_comment("Java_To_Runtime");
  3314     cbuf.set_insts_mark();
  3315     __ relocate(relocInfo::runtime_call_type);
  3317     __ patchable_call((address)$meth$$method);
  3318     %}
  3320   enc_class Java_Static_Call (method meth) %{    // JAVA STATIC CALL
  3321     // CALL to fixup routine.  Fixup routine uses ScopeDesc info to determine
  3322     // who we intended to call.
  3323     MacroAssembler _masm(&cbuf);
  3324     cbuf.set_insts_mark();
  3326     if ( !_method ) {
  3327       __ relocate(relocInfo::runtime_call_type);
  3328     } else if(_optimized_virtual) {
  3329       __ relocate(relocInfo::opt_virtual_call_type);
  3330     } else {
  3331       __ relocate(relocInfo::static_call_type);
  3334     __ patchable_call((address)($meth$$method));
  3335     if( _method ) {  // Emit stub for static call
  3336       emit_java_to_interp(cbuf);
  3338   %}
  3341 /*
  3342  * [Ref: LIR_Assembler::ic_call() ]
  3343  */
  3344 enc_class Java_Dynamic_Call (method meth) %{    // JAVA DYNAMIC CALL
  3345     MacroAssembler _masm(&cbuf);
  3346 	__ block_comment("Java_Dynamic_Call");
  3347 	__ ic_call((address)$meth$$method);
  3348   %}
  3351   enc_class Set_Flags_After_Fast_Lock_Unlock(FlagsReg cr) %{
  3352     Register flags = $cr$$Register;
  3353     Label  L;
  3355     MacroAssembler _masm(&cbuf);
  3357     __ addu(flags, R0, R0);    
  3358     __ beq(AT, R0, L);
  3359     __ delayed()->nop();
  3360     __ move(flags, 0xFFFFFFFF);
  3361     __ bind(L);
  3362   %}
  3364   enc_class enc_PartialSubtypeCheck(mRegP result, mRegP sub, mRegP super, mRegI tmp) %{
  3365     Register result = $result$$Register;
  3366     Register sub    = $sub$$Register;
  3367     Register super  = $super$$Register;
  3368     Register length = $tmp$$Register;
  3369     Register tmp    = T9;
  3370     Label miss;
  3372     /* 2012/9/28 Jin: result may be the same as sub
  3373      *    47c   B40: #    B21 B41 <- B20  Freq: 0.155379
  3374      *    47c     partialSubtypeCheck result=S1, sub=S1, super=S3, length=S0
  3375      *    4bc     mov   S2, NULL #@loadConP
  3376      *    4c0     beq   S1, S2, B21 #@branchConP  P=0.999999 C=-1.000000
  3377     */
  3378     MacroAssembler _masm(&cbuf);
  3379     Label done;
  3380     __ check_klass_subtype_slow_path(sub, super, length, tmp,
  3381                                      NULL, &miss,
  3382                                      /*set_cond_codes:*/ true);
  3383     /* 2013/7/22 Jin: Refer to X86_64's RDI */
  3384     __ move(result, 0);
  3385     __ b(done);
  3386     __ nop();
  3388     __ bind(miss);
  3389     __ move(result, 1);
  3390     __ bind(done);
  3391   %}
  3393 %}
  3396 //---------MIPS FRAME--------------------------------------------------------------
  3397 // Definition of frame structure and management information.
  3398 //
  3399 //  S T A C K   L A Y O U T    Allocators stack-slot number
  3400 //                             |   (to get allocators register number
  3401 //  G  Owned by    |        |  v    add SharedInfo::stack0)
  3402 //  r   CALLER     |        |
  3403 //  o     |        +--------+      pad to even-align allocators stack-slot 
  3404 //  w     V        |  pad0  |        numbers; owned by CALLER
  3405 //  t   -----------+--------+----> Matcher::_in_arg_limit, unaligned
  3406 //  h     ^        |   in   |  5   
  3407 //        |        |  args  |  4   Holes in incoming args owned by SELF
  3408 //  |     |    old |        |  3
  3409 //  |     |     SP-+--------+----> Matcher::_old_SP, even aligned
  3410 //  v     |        |  ret   |  3   return address
  3411 //     Owned by    +--------+
  3412 //      Self       |  pad2  |  2   pad to align old SP
  3413 //        |        +--------+  1
  3414 //        |        | locks  |  0
  3415 //        |        +--------+----> SharedInfo::stack0, even aligned  
  3416 //        |        |  pad1  | 11   pad to align new SP
  3417 //        |        +--------+
  3418 //        |        |        | 10
  3419 //        |        | spills |  9   spills
  3420 //        V        |        |  8   (pad0 slot for callee)
  3421 //      -----------+--------+----> Matcher::_out_arg_limit, unaligned
  3422 //        ^        |  out   |  7   
  3423 //        |        |  args  |  6   Holes in outgoing args owned by CALLEE
  3424 //   Owned by  new |				|
  3425 //		Callee    SP-+--------+----> Matcher::_new_SP, even aligned
  3426 //           			 |        |
  3427 //
  3428 // Note 1: Only region 8-11 is determined by the allocator.  Region 0-5 is 
  3429 //         known from SELF's arguments and the Java calling convention.
  3430 //         Region 6-7 is determined per call site.
  3431 // Note 2: If the calling convention leaves holes in the incoming argument 
  3432 //         area, those holes are owned by SELF.  Holes in the outgoing area
  3433 //         are owned by the CALLEE.  Holes should not be nessecary in the
  3434 //         incoming area, as the Java calling convention is completely under
  3435 //         the control of the AD file.  Doubles can be sorted and packed to
  3436 //         avoid holes.  Holes in the outgoing arguments may be nessecary for
  3437 //         varargs C calling conventions.
  3438 // Note 3: Region 0-3 is even aligned, with pad2 as needed.  Region 3-5 is 
  3439 //         even aligned with pad0 as needed.
  3440 //         Region 6 is even aligned.  Region 6-7 is NOT even aligned;
  3441 //         region 6-11 is even aligned; it may be padded out more so that
  3442 //         the region from SP to FP meets the minimum stack alignment.
  3443 // Note 4: For I2C adapters, the incoming FP may not meet the minimum stack
  3444 //         alignment.  Region 11, pad1, may be dynamically extended so that
  3445 //         SP meets the minimum alignment.
  3448 frame %{
  3450   stack_direction(TOWARDS_LOW);
  3452   // These two registers define part of the calling convention 
  3453   // between compiled code and the interpreter.
  3454 	// SEE StartI2CNode::calling_convention & StartC2INode::calling_convention & StartOSRNode::calling_convention 
  3455 	// for more information. by yjl 3/16/2006
  3457   inline_cache_reg(T1);                // Inline Cache Register
  3458   interpreter_method_oop_reg(S3);      // Method Oop Register when calling interpreter
  3459  /*
  3460   inline_cache_reg(T1);          // Inline Cache Register or methodOop for I2C
  3461   interpreter_arg_ptr_reg(A0);         // Argument pointer for I2C adapters
  3462 */
  3464   // Optional: name the operand used by cisc-spilling to access [stack_pointer + offset]
  3465   cisc_spilling_operand_name(indOffset32);  
  3467   // Number of stack slots consumed by locking an object
  3468 	// generate Compile::sync_stack_slots
  3469 #ifdef _LP64
  3470   sync_stack_slots(2);
  3471 #else
  3472   sync_stack_slots(1);
  3473 #endif
  3475   frame_pointer(SP);
  3477   // Interpreter stores its frame pointer in a register which is 
  3478   // stored to the stack by I2CAdaptors.
  3479   // I2CAdaptors convert from interpreted java to compiled java.
  3481   interpreter_frame_pointer(FP);
  3483 	// generate Matcher::stack_alignment
  3484   stack_alignment(StackAlignmentInBytes);  //wordSize = sizeof(char*);            
  3486   // Number of stack slots between incoming argument block and the start of 
  3487   // a new frame.  The PROLOG must add this many slots to the stack.  The
  3488   // EPILOG must remove this many slots.  Intel needs one slot for
  3489   // return address.
  3490 	// generate Matcher::in_preserve_stack_slots
  3491   //in_preserve_stack_slots(VerifyStackAtCalls + 2);  //Now VerifyStackAtCalls is defined as false ! Leave one stack slot for ra and fp
  3492   in_preserve_stack_slots(4);  //Now VerifyStackAtCalls is defined as false ! Leave two stack slots for ra and fp
  3494   // Number of outgoing stack slots killed above the out_preserve_stack_slots
  3495   // for calls to C.  Supports the var-args backing area for register parms.
  3496   varargs_C_out_slots_killed(0);
  3498   // The after-PROLOG location of the return address.  Location of
  3499   // return address specifies a type (REG or STACK) and a number
  3500   // representing the register number (i.e. - use a register name) or
  3501   // stack slot.
  3502   // Ret Addr is on stack in slot 0 if no locks or verification or alignment.
  3503   // Otherwise, it is above the locks and verification slot and alignment word
  3504   //return_addr(STACK -1+ round_to(1+VerifyStackAtCalls+Compile::current()->sync()*Compile::current()->sync_stack_slots(),WordsPerLong));
  3505   return_addr(REG RA);
  3507   // Body of function which returns an integer array locating
  3508   // arguments either in registers or in stack slots.  Passed an array
  3509   // of ideal registers called "sig" and a "length" count.  Stack-slot
  3510   // offsets are based on outgoing arguments, i.e. a CALLER setting up
  3511   // arguments for a CALLEE.  Incoming stack arguments are
  3512   // automatically biased by the preserve_stack_slots field above.
  3515 	// will generated to Matcher::calling_convention(OptoRegPair *sig, uint length, bool is_outgoing)
  3516 	// StartNode::calling_convention call this. by yjl 3/16/2006
  3517   calling_convention %{           
  3518     SharedRuntime::java_calling_convention(sig_bt, regs, length, false);
  3519   %}
  3524   // Body of function which returns an integer array locating
  3525   // arguments either in registers or in stack slots.  Passed an array
  3526   // of ideal registers called "sig" and a "length" count.  Stack-slot
  3527   // offsets are based on outgoing arguments, i.e. a CALLER setting up
  3528   // arguments for a CALLEE.  Incoming stack arguments are
  3529   // automatically biased by the preserve_stack_slots field above.
  3532 	// SEE CallRuntimeNode::calling_convention for more information. by yjl 3/16/2006
  3533   c_calling_convention %{          
  3534    (void) SharedRuntime::c_calling_convention(sig_bt, regs, /*regs2=*/NULL, length);
  3535   %}
  3538   // Location of C & interpreter return values
  3539 	// register(s) contain(s) return value for Op_StartI2C and Op_StartOSR. 
  3540 	// SEE Matcher::match. by yjl 3/16/2006
  3541   c_return_value %{
  3542     assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" );
  3543                                /* -- , -- , Op_RegN, Op_RegI, Op_RegP, Op_RegF, Op_RegD, Op_RegL */
  3544     static int lo[Op_RegL+1] = { 0, 0, V0_num,       V0_num,       V0_num,       F0_num,       F0_num,    V0_num };
  3545     static int hi[Op_RegL+1] = { 0, 0, OptoReg::Bad, OptoReg::Bad, V0_H_num,     OptoReg::Bad, F0_H_num,  V0_H_num };
  3546     return OptoRegPair(hi[ideal_reg],lo[ideal_reg]);
  3547   %}
  3549   // Location of return values
  3550 	// register(s) contain(s) return value for Op_StartC2I and Op_Start. 
  3551 	// SEE Matcher::match. by yjl 3/16/2006
  3553   return_value %{
  3554     assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" );
  3555                                /* -- , -- , Op_RegN, Op_RegI, Op_RegP, Op_RegF, Op_RegD, Op_RegL */
  3556     static int lo[Op_RegL+1] = { 0, 0, V0_num,       V0_num,       V0_num,       F0_num,       F0_num,     V0_num };
  3557     static int hi[Op_RegL+1] = { 0, 0, OptoReg::Bad, OptoReg::Bad, V0_H_num,     OptoReg::Bad, F0_H_num,   V0_H_num};
  3558     return OptoRegPair(hi[ideal_reg],lo[ideal_reg]);
  3559   %}
  3561 %}
  3563 //----------ATTRIBUTES---------------------------------------------------------
  3564 //----------Operand Attributes-------------------------------------------------
  3565 op_attrib op_cost(0);        // Required cost attribute
  3567 //----------Instruction Attributes---------------------------------------------
  3568 ins_attrib ins_cost(100);       // Required cost attribute
  3569 ins_attrib ins_size(32);         // Required size attribute (in bits)
  3570 ins_attrib ins_pc_relative(0);  // Required PC Relative flag
  3571 ins_attrib ins_short_branch(0); // Required flag: is this instruction a
  3572                                 // non-matching short branch variant of some
  3573                                                             // long branch?
  3574 ins_attrib ins_alignment(4);    // Required alignment attribute (must be a power of 2)
  3575                                 // specifies the alignment that some part of the instruction (not
  3576                                 // necessarily the start) requires.  If > 1, a compute_padding()
  3577                                 // function must be provided for the instruction
  3579 //----------OPERANDS-----------------------------------------------------------
  3580 // Operand definitions must precede instruction definitions for correct parsing
  3581 // in the ADLC because operands constitute user defined types which are used in
  3582 // instruction definitions.
  3584 // Vectors
  3585 operand vecD() %{
  3586   constraint(ALLOC_IN_RC(dbl_reg));
  3587   match(VecD);
  3589   format %{ %}
  3590   interface(REG_INTER);
  3591 %}
  3593 // Flags register, used as output of compare instructions
  3594 operand FlagsReg() %{
  3595   constraint(ALLOC_IN_RC(mips_flags));
  3596   match(RegFlags);
  3598   format %{ "EFLAGS" %}
  3599   interface(REG_INTER);
  3600 %}
  3602 //----------Simple Operands----------------------------------------------------
  3603 //TODO: Should we need to define some more special immediate number ?
  3604 // Immediate Operands
  3605 // Integer Immediate
  3606 operand immI() %{
  3607   match(ConI);
  3608   //TODO: should not match immI8 here LEE
  3609   match(immI8);
  3611   op_cost(20);
  3612   format %{ %}
  3613   interface(CONST_INTER);
  3614 %}
  3616 // Long Immediate 8-bit
  3617 operand immL8()
  3618 %{
  3619   predicate(-0x80L <= n->get_long() && n->get_long() < 0x80L);
  3620   match(ConL);
  3622   op_cost(5);
  3623   format %{ %}
  3624   interface(CONST_INTER);
  3625 %}
  3627 // Constant for test vs zero
  3628 operand immI0() %{
  3629   predicate(n->get_int() == 0);
  3630   match(ConI);
  3632   op_cost(0);
  3633   format %{ %}
  3634   interface(CONST_INTER);
  3635 %}
  3637 // Constant for increment
  3638 operand immI1() %{
  3639   predicate(n->get_int() == 1);
  3640   match(ConI);
  3642   op_cost(0);
  3643   format %{ %}
  3644   interface(CONST_INTER);
  3645 %}
  3647 // Constant for decrement
  3648 operand immI_M1() %{
  3649   predicate(n->get_int() == -1);
  3650   match(ConI);
  3652   op_cost(0);
  3653   format %{ %}
  3654   interface(CONST_INTER);
  3655 %}
  3657 operand immI_MaxI() %{
  3658   predicate(n->get_int() == 2147483647);
  3659   match(ConI);
  3661   op_cost(0);
  3662   format %{ %}
  3663   interface(CONST_INTER);
  3664 %}
  3666 // Valid scale values for addressing modes
  3667 operand immI2() %{
  3668   predicate(0 <= n->get_int() && (n->get_int() <= 3));
  3669   match(ConI);
  3671   format %{ %}
  3672   interface(CONST_INTER);
  3673 %}
  3675 operand immI8() %{
  3676   predicate((-128 <= n->get_int()) && (n->get_int() <= 127));
  3677   match(ConI);
  3679   op_cost(5);
  3680   format %{ %}
  3681   interface(CONST_INTER);
  3682 %}
  3684 operand immI16() %{
  3685   predicate((-32768 <= n->get_int()) && (n->get_int() <= 32767));
  3686   match(ConI);
  3688   op_cost(10);
  3689   format %{ %}
  3690   interface(CONST_INTER);
  3691 %}
  3693 // Constant for long shifts
  3694 operand immI_32() %{
  3695   predicate( n->get_int() == 32 );
  3696   match(ConI);
  3698   op_cost(0);
  3699   format %{ %}
  3700   interface(CONST_INTER);
  3701 %}
  3703 operand immI_63() %{
  3704   predicate( n->get_int() == 63 );
  3705   match(ConI);
  3707   op_cost(0);
  3708   format %{ %}
  3709   interface(CONST_INTER);
  3710 %}
  3712 operand immI_0_31() %{
  3713   predicate( n->get_int() >= 0 && n->get_int() <= 31 );
  3714   match(ConI);
  3716   op_cost(0);
  3717   format %{ %}
  3718   interface(CONST_INTER);
  3719 %}
  3721 // Operand for non-negtive integer mask
  3722 operand immI_nonneg_mask() %{
  3723   predicate( (n->get_int() >= 0) && (Assembler::is_int_mask(n->get_int()) != -1) );
  3724   match(ConI);
  3726   op_cost(0);
  3727   format %{ %}
  3728   interface(CONST_INTER);
  3729 %}
  3731 operand immI_32_63() %{
  3732   predicate( n->get_int() >= 32 && n->get_int() <= 63 );
  3733   match(ConI);
  3734   op_cost(0);
  3736   format %{ %}
  3737   interface(CONST_INTER);
  3738 %}
  3740 operand immI16_sub() %{
  3741   predicate((-32767 <= n->get_int()) && (n->get_int() <= 32768));
  3742   match(ConI);
  3744   op_cost(10);
  3745   format %{ %}
  3746   interface(CONST_INTER);
  3747 %}
  3749 operand immI_0_32767() %{
  3750   predicate( n->get_int() >= 0 && n->get_int() <= 32767 );
  3751   match(ConI);
  3752   op_cost(0);
  3754   format %{ %}
  3755   interface(CONST_INTER);
  3756 %}
  3758 operand immI_0_65535() %{
  3759   predicate( n->get_int() >= 0 && n->get_int() <= 65535 );
  3760   match(ConI);
  3761   op_cost(0);
  3763   format %{ %}
  3764   interface(CONST_INTER);
  3765 %}
  3767 operand immI_1() %{
  3768   predicate( n->get_int() == 1 );
  3769   match(ConI);
  3771   op_cost(0);
  3772   format %{ %}
  3773   interface(CONST_INTER);
  3774 %}
  3776 operand immI_2() %{
  3777   predicate( n->get_int() == 2 );
  3778   match(ConI);
  3780   op_cost(0);
  3781   format %{ %}
  3782   interface(CONST_INTER);
  3783 %}
  3785 operand immI_3() %{
  3786   predicate( n->get_int() == 3 );
  3787   match(ConI);
  3789   op_cost(0);
  3790   format %{ %}
  3791   interface(CONST_INTER);
  3792 %}
  3794 operand immI_7() %{
  3795   predicate( n->get_int() == 7 );
  3796   match(ConI);
  3798   format %{ %}
  3799   interface(CONST_INTER);
  3800 %}
  3802 // Immediates for special shifts (sign extend)
  3804 // Constants for increment
  3805 operand immI_16() %{
  3806   predicate( n->get_int() == 16 );
  3807   match(ConI);
  3809   format %{ %}
  3810   interface(CONST_INTER);
  3811 %}
  3813 operand immI_24() %{
  3814   predicate( n->get_int() == 24 );
  3815   match(ConI);
  3817   format %{ %}
  3818   interface(CONST_INTER);
  3819 %}
  3821 // Constant for byte-wide masking
  3822 operand immI_255() %{
  3823   predicate( n->get_int() == 255 );
  3824   match(ConI);
  3826   op_cost(0);
  3827   format %{ %}
  3828   interface(CONST_INTER);
  3829 %}
  3831 operand immI_65535() %{
  3832   predicate( n->get_int() == 65535 );
  3833   match(ConI);
  3835   op_cost(5);
  3836   format %{ %}
  3837   interface(CONST_INTER);
  3838 %}
  3840 operand immI_65536() %{
  3841   predicate( n->get_int() == 65536 );
  3842   match(ConI);
  3844   op_cost(5);
  3845   format %{ %}
  3846   interface(CONST_INTER);
  3847 %}
  3849 operand immI_M65536() %{
  3850   predicate( n->get_int() == -65536 );
  3851   match(ConI);
  3853   op_cost(5);
  3854   format %{ %}
  3855   interface(CONST_INTER);
  3856 %}
  3858 // Pointer Immediate
  3859 operand immP() %{
  3860   match(ConP);
  3862   op_cost(10);
  3863   format %{ %}
  3864   interface(CONST_INTER);
  3865 %}
  3867 // NULL Pointer Immediate
  3868 operand immP0() %{
  3869   predicate( n->get_ptr() == 0 );
  3870   match(ConP);
  3871   op_cost(0);
  3873   format %{ %}
  3874   interface(CONST_INTER);
  3875 %}
  3877 // Pointer Immediate: 64-bit
  3878 operand immP_set() %{
  3879   match(ConP);
  3881   op_cost(5);
  3882   // formats are generated automatically for constants and base registers
  3883   format %{ %}
  3884   interface(CONST_INTER);
  3885 %}
  3887 // Pointer Immediate: 64-bit
  3888 operand immP_load() %{
  3889   predicate(n->bottom_type()->isa_oop_ptr() || (MacroAssembler::insts_for_set64(n->get_ptr()) > 3));
  3890   match(ConP);
  3892   op_cost(5);
  3893   // formats are generated automatically for constants and base registers
  3894   format %{ %}
  3895   interface(CONST_INTER);
  3896 %}
  3898 // Pointer Immediate: 64-bit
  3899 operand immP_no_oop_cheap() %{
  3900   predicate(!n->bottom_type()->isa_oop_ptr() && (MacroAssembler::insts_for_set64(n->get_ptr()) <= 3));
  3901   match(ConP);
  3903   op_cost(5);
  3904   // formats are generated automatically for constants and base registers
  3905   format %{ %}
  3906   interface(CONST_INTER);
  3907 %}
  3909 // Pointer for polling page 
  3910 operand immP_poll() %{
  3911   predicate(n->get_ptr() != 0 && n->get_ptr() == (intptr_t)os::get_polling_page());
  3912   match(ConP);
  3913   op_cost(5);
  3915   format %{ %}
  3916   interface(CONST_INTER);
  3917 %}
  3919 // Pointer Immediate
  3920 operand immN() %{
  3921   match(ConN);
  3923   op_cost(10);
  3924   format %{ %}
  3925   interface(CONST_INTER);
  3926 %}
  3928 operand immNKlass() %{
  3929   match(ConNKlass);
  3931   op_cost(10);
  3932   format %{ %}
  3933   interface(CONST_INTER);
  3934 %}
  3936 // NULL Pointer Immediate
  3937 operand immN0() %{
  3938   predicate(n->get_narrowcon() == 0);
  3939   match(ConN);
  3941   op_cost(5);
  3942   format %{ %}
  3943   interface(CONST_INTER);
  3944 %}
  3946 // Long Immediate
  3947 operand immL() %{
  3948   match(ConL);
  3950   op_cost(20);
  3951   format %{ %}
  3952   interface(CONST_INTER);
  3953 %}
  3955 // Long Immediate zero
  3956 operand immL0() %{
  3957   predicate( n->get_long() == 0L );
  3958   match(ConL);
  3959   op_cost(0);
  3961   format %{ %}
  3962   interface(CONST_INTER);
  3963 %}
  3965 operand immL7() %{
  3966   predicate( n->get_long() == 7L );
  3967   match(ConL);
  3968   op_cost(0);
  3970   format %{ %}
  3971   interface(CONST_INTER);
  3972 %}
  3974 operand immL_M1() %{
  3975   predicate( n->get_long() == -1L );
  3976   match(ConL);
  3977   op_cost(0);
  3979   format %{ %}
  3980   interface(CONST_INTER);
  3981 %}
  3983 // bit 0..2 zero
  3984 operand immL_M8() %{
  3985   predicate( n->get_long() == -8L );
  3986   match(ConL);
  3987   op_cost(0);
  3989   format %{ %}
  3990   interface(CONST_INTER);
  3991 %}
  3993 // bit 2 zero
  3994 operand immL_M5() %{
  3995   predicate( n->get_long() == -5L );
  3996   match(ConL);
  3997   op_cost(0);
  3999   format %{ %}
  4000   interface(CONST_INTER);
  4001 %}
  4003 // bit 1..2 zero
  4004 operand immL_M7() %{
  4005   predicate( n->get_long() == -7L );
  4006   match(ConL);
  4007   op_cost(0);
  4009   format %{ %}
  4010   interface(CONST_INTER);
  4011 %}
  4013 // bit 0..1 zero
  4014 operand immL_M4() %{
  4015   predicate( n->get_long() == -4L );
  4016   match(ConL);
  4017   op_cost(0);
  4019   format %{ %}
  4020   interface(CONST_INTER);
  4021 %}
  4023 // bit 3..6 zero
  4024 operand immL_M121() %{
  4025   predicate( n->get_long() == -121L );
  4026   match(ConL);
  4027   op_cost(0);
  4029   format %{ %}
  4030   interface(CONST_INTER);
  4031 %}
  4033 // Long immediate from 0 to 127.
  4034 // Used for a shorter form of long mul by 10.
  4035 operand immL_127() %{
  4036   predicate((0 <= n->get_long()) && (n->get_long() <= 127));
  4037   match(ConL);
  4038   op_cost(0);
  4040   format %{ %}
  4041   interface(CONST_INTER);
  4042 %}
  4044 // Operand for non-negtive long mask
  4045 operand immL_nonneg_mask() %{
  4046   predicate( (n->get_long() >= 0) && (Assembler::is_jlong_mask(n->get_long()) != -1) );
  4047   match(ConL);
  4049   op_cost(0);
  4050   format %{ %}
  4051   interface(CONST_INTER);
  4052 %}
  4054 operand immL_0_65535() %{
  4055   predicate( n->get_long() >= 0 && n->get_long() <= 65535 );
  4056   match(ConL);
  4057   op_cost(0);
  4059   format %{ %}
  4060   interface(CONST_INTER);
  4061 %}
  4063 // Long Immediate: cheap (materialize in <= 3 instructions)
  4064 operand immL_cheap() %{
  4065   predicate(MacroAssembler::insts_for_set64(n->get_long()) <= 3);
  4066   match(ConL);
  4067   op_cost(0);
  4069   format %{ %}
  4070   interface(CONST_INTER);
  4071 %}
  4073 // Long Immediate: expensive (materialize in > 3 instructions)
  4074 operand immL_expensive() %{
  4075   predicate(MacroAssembler::insts_for_set64(n->get_long()) > 3);
  4076   match(ConL);
  4077   op_cost(0);
  4079   format %{ %}
  4080   interface(CONST_INTER);
  4081 %}
  4083 operand immL16() %{
  4084   predicate((-32768 <= n->get_long()) && (n->get_long() <= 32767));
  4085   match(ConL);
  4087   op_cost(10);
  4088   format %{ %}
  4089   interface(CONST_INTER);
  4090 %}
  4092 operand immL16_sub() %{
  4093   predicate((-32767 <= n->get_long()) && (n->get_long() <= 32768));
  4094   match(ConL);
  4096   op_cost(10);
  4097   format %{ %}
  4098   interface(CONST_INTER);
  4099 %}
  4101 // Long Immediate: low 32-bit mask
  4102 operand immL_32bits() %{
  4103   predicate(n->get_long() == 0xFFFFFFFFL);
  4104   match(ConL);
  4105   op_cost(20);
  4107   format %{ %}
  4108   interface(CONST_INTER);
  4109 %}
  4111 // Long Immediate 32-bit signed
  4112 operand immL32()
  4113 %{
  4114   predicate(n->get_long() == (int) (n->get_long()));
  4115   match(ConL);
  4117   op_cost(15);
  4118   format %{ %}
  4119   interface(CONST_INTER);
  4120 %}
  4123 //single-precision floating-point zero
  4124 operand immF0() %{
  4125   predicate(jint_cast(n->getf()) == 0);
  4126   match(ConF);
  4128   op_cost(5);
  4129   format %{ %}
  4130   interface(CONST_INTER);
  4131 %}
  4133 //single-precision floating-point immediate
  4134 operand immF() %{
  4135   match(ConF);
  4137   op_cost(20);
  4138   format %{ %}
  4139   interface(CONST_INTER);
  4140 %}
  4142 //double-precision floating-point zero 
  4143 operand immD0() %{
  4144   predicate(jlong_cast(n->getd()) == 0);
  4145   match(ConD);
  4147   op_cost(5);
  4148   format %{ %}
  4149   interface(CONST_INTER);
  4150 %}
  4152 //double-precision floating-point immediate
  4153 operand immD() %{
  4154   match(ConD);
  4156   op_cost(20);
  4157   format %{ %}
  4158   interface(CONST_INTER);
  4159 %}
  4161 // Register Operands
  4162 // Integer Register
  4163 operand mRegI() %{
  4164   constraint(ALLOC_IN_RC(int_reg));
  4165   match(RegI);
  4167   format %{ %}
  4168   interface(REG_INTER);
  4169 %}
  4171 operand no_Ax_mRegI() %{
  4172   constraint(ALLOC_IN_RC(no_Ax_int_reg));
  4173   match(RegI);
  4174   match(mRegI);
  4176   format %{  %}
  4177   interface(REG_INTER);
  4178 %} 
  4180 operand mS0RegI() %{
  4181   constraint(ALLOC_IN_RC(s0_reg));
  4182   match(RegI);
  4183   match(mRegI);
  4185   format %{ "S0" %}
  4186   interface(REG_INTER);
  4187 %}
  4189 operand mS1RegI() %{
  4190   constraint(ALLOC_IN_RC(s1_reg));
  4191   match(RegI);
  4192   match(mRegI);
  4194   format %{ "S1" %}
  4195   interface(REG_INTER);
  4196 %}
  4198 operand mS2RegI() %{
  4199   constraint(ALLOC_IN_RC(s2_reg));
  4200   match(RegI);
  4201   match(mRegI);
  4203   format %{ "S2" %}
  4204   interface(REG_INTER);
  4205 %}
  4207 operand mS3RegI() %{
  4208   constraint(ALLOC_IN_RC(s3_reg));
  4209   match(RegI);
  4210   match(mRegI);
  4212   format %{ "S3" %}
  4213   interface(REG_INTER);
  4214 %}
  4216 operand mS4RegI() %{
  4217   constraint(ALLOC_IN_RC(s4_reg));
  4218   match(RegI);
  4219   match(mRegI);
  4221   format %{ "S4" %}
  4222   interface(REG_INTER);
  4223 %}
  4225 operand mS5RegI() %{
  4226   constraint(ALLOC_IN_RC(s5_reg));
  4227   match(RegI);
  4228   match(mRegI);
  4230   format %{ "S5" %}
  4231   interface(REG_INTER);
  4232 %}
  4234 operand mS6RegI() %{
  4235   constraint(ALLOC_IN_RC(s6_reg));
  4236   match(RegI);
  4237   match(mRegI);
  4239   format %{ "S6" %}
  4240   interface(REG_INTER);
  4241 %}
  4243 operand mS7RegI() %{
  4244   constraint(ALLOC_IN_RC(s7_reg));
  4245   match(RegI);
  4246   match(mRegI);
  4248   format %{ "S7" %}
  4249   interface(REG_INTER);
  4250 %}
  4253 operand mT0RegI() %{
  4254   constraint(ALLOC_IN_RC(t0_reg));
  4255   match(RegI);
  4256   match(mRegI);
  4258   format %{ "T0" %}
  4259   interface(REG_INTER);
  4260 %}
  4262 operand mT1RegI() %{
  4263   constraint(ALLOC_IN_RC(t1_reg));
  4264   match(RegI);
  4265   match(mRegI);
  4267   format %{ "T1" %}
  4268   interface(REG_INTER);
  4269 %}
  4271 operand mT2RegI() %{
  4272   constraint(ALLOC_IN_RC(t2_reg));
  4273   match(RegI);
  4274   match(mRegI);
  4276   format %{ "T2" %}
  4277   interface(REG_INTER);
  4278 %}
  4280 operand mT3RegI() %{
  4281   constraint(ALLOC_IN_RC(t3_reg));
  4282   match(RegI);
  4283   match(mRegI);
  4285   format %{ "T3" %}
  4286   interface(REG_INTER);
  4287 %}
  4289 operand mT8RegI() %{
  4290   constraint(ALLOC_IN_RC(t8_reg));
  4291   match(RegI);
  4292   match(mRegI);
  4294   format %{ "T8" %}
  4295   interface(REG_INTER);
  4296 %}
  4298 operand mT9RegI() %{
  4299   constraint(ALLOC_IN_RC(t9_reg));
  4300   match(RegI);
  4301   match(mRegI);
  4303   format %{ "T9" %}
  4304   interface(REG_INTER);
  4305 %}
  4307 operand mA0RegI() %{
  4308   constraint(ALLOC_IN_RC(a0_reg));
  4309   match(RegI);
  4310   match(mRegI);
  4312   format %{ "A0" %}
  4313   interface(REG_INTER);
  4314 %}
  4316 operand mA1RegI() %{
  4317   constraint(ALLOC_IN_RC(a1_reg));
  4318   match(RegI);
  4319   match(mRegI);
  4321   format %{ "A1" %}
  4322   interface(REG_INTER);
  4323 %}
  4325 operand mA2RegI() %{
  4326   constraint(ALLOC_IN_RC(a2_reg));
  4327   match(RegI);
  4328   match(mRegI);
  4330   format %{ "A2" %}
  4331   interface(REG_INTER);
  4332 %}
  4334 operand mA3RegI() %{
  4335   constraint(ALLOC_IN_RC(a3_reg));
  4336   match(RegI);
  4337   match(mRegI);
  4339   format %{ "A3" %}
  4340   interface(REG_INTER);
  4341 %}
  4343 operand mA4RegI() %{
  4344   constraint(ALLOC_IN_RC(a4_reg));
  4345   match(RegI);
  4346   match(mRegI);
  4348   format %{ "A4" %}
  4349   interface(REG_INTER);
  4350 %}
  4352 operand mA5RegI() %{
  4353   constraint(ALLOC_IN_RC(a5_reg));
  4354   match(RegI);
  4355   match(mRegI);
  4357   format %{ "A5" %}
  4358   interface(REG_INTER);
  4359 %}
  4361 operand mA6RegI() %{
  4362   constraint(ALLOC_IN_RC(a6_reg));
  4363   match(RegI);
  4364   match(mRegI);
  4366   format %{ "A6" %}
  4367   interface(REG_INTER);
  4368 %}
  4370 operand mA7RegI() %{
  4371   constraint(ALLOC_IN_RC(a7_reg));
  4372   match(RegI);
  4373   match(mRegI);
  4375   format %{ "A7" %}
  4376   interface(REG_INTER);
  4377 %}
  4379 operand mV0RegI() %{
  4380   constraint(ALLOC_IN_RC(v0_reg));
  4381   match(RegI);
  4382   match(mRegI);
  4384   format %{ "V0" %}
  4385   interface(REG_INTER);
  4386 %}
  4388 operand mV1RegI() %{
  4389   constraint(ALLOC_IN_RC(v1_reg));
  4390   match(RegI);
  4391   match(mRegI);
  4393   format %{ "V1" %}
  4394   interface(REG_INTER);
  4395 %}
  4397 operand mRegN() %{
  4398   constraint(ALLOC_IN_RC(int_reg));
  4399   match(RegN);
  4401   format %{ %}
  4402   interface(REG_INTER);
  4403 %}
  4405 operand t0_RegN() %{
  4406   constraint(ALLOC_IN_RC(t0_reg));
  4407   match(RegN);
  4408   match(mRegN);
  4410   format %{ %}
  4411   interface(REG_INTER);
  4412 %}
  4414 operand t1_RegN() %{
  4415   constraint(ALLOC_IN_RC(t1_reg));
  4416   match(RegN);
  4417   match(mRegN);
  4419   format %{ %}
  4420   interface(REG_INTER);
  4421 %}
  4423 operand t2_RegN() %{
  4424   constraint(ALLOC_IN_RC(t2_reg));
  4425   match(RegN);
  4426   match(mRegN);
  4428   format %{ %}
  4429   interface(REG_INTER);
  4430 %}
  4432 operand t3_RegN() %{
  4433   constraint(ALLOC_IN_RC(t3_reg));
  4434   match(RegN);
  4435   match(mRegN);
  4437   format %{ %}
  4438   interface(REG_INTER);
  4439 %}
  4441 operand t8_RegN() %{
  4442   constraint(ALLOC_IN_RC(t8_reg));
  4443   match(RegN);
  4444   match(mRegN);
  4446   format %{ %}
  4447   interface(REG_INTER);
  4448 %}
  4450 operand t9_RegN() %{
  4451   constraint(ALLOC_IN_RC(t9_reg));
  4452   match(RegN);
  4453   match(mRegN);
  4455   format %{ %}
  4456   interface(REG_INTER);
  4457 %}
  4459 operand a0_RegN() %{
  4460   constraint(ALLOC_IN_RC(a0_reg));
  4461   match(RegN);
  4462   match(mRegN);
  4464   format %{ %}
  4465   interface(REG_INTER);
  4466 %}
  4468 operand a1_RegN() %{
  4469   constraint(ALLOC_IN_RC(a1_reg));
  4470   match(RegN);
  4471   match(mRegN);
  4473   format %{ %}
  4474   interface(REG_INTER);
  4475 %}
  4477 operand a2_RegN() %{
  4478   constraint(ALLOC_IN_RC(a2_reg));
  4479   match(RegN);
  4480   match(mRegN);
  4482   format %{ %}
  4483   interface(REG_INTER);
  4484 %}
  4486 operand a3_RegN() %{
  4487   constraint(ALLOC_IN_RC(a3_reg));
  4488   match(RegN);
  4489   match(mRegN);
  4491   format %{ %}
  4492   interface(REG_INTER);
  4493 %}
  4495 operand a4_RegN() %{
  4496   constraint(ALLOC_IN_RC(a4_reg));
  4497   match(RegN);
  4498   match(mRegN);
  4500   format %{ %}
  4501   interface(REG_INTER);
  4502 %}
  4504 operand a5_RegN() %{
  4505   constraint(ALLOC_IN_RC(a5_reg));
  4506   match(RegN);
  4507   match(mRegN);
  4509   format %{ %}
  4510   interface(REG_INTER);
  4511 %}
  4513 operand a6_RegN() %{
  4514   constraint(ALLOC_IN_RC(a6_reg));
  4515   match(RegN);
  4516   match(mRegN);
  4518   format %{ %}
  4519   interface(REG_INTER);
  4520 %}
  4522 operand a7_RegN() %{
  4523   constraint(ALLOC_IN_RC(a7_reg));
  4524   match(RegN);
  4525   match(mRegN);
  4527   format %{ %}
  4528   interface(REG_INTER);
  4529 %}
  4531 operand s0_RegN() %{
  4532   constraint(ALLOC_IN_RC(s0_reg));
  4533   match(RegN);
  4534   match(mRegN);
  4536   format %{ %}
  4537   interface(REG_INTER);
  4538 %}
  4540 operand s1_RegN() %{
  4541   constraint(ALLOC_IN_RC(s1_reg));
  4542   match(RegN);
  4543   match(mRegN);
  4545   format %{ %}
  4546   interface(REG_INTER);
  4547 %}
  4549 operand s2_RegN() %{
  4550   constraint(ALLOC_IN_RC(s2_reg));
  4551   match(RegN);
  4552   match(mRegN);
  4554   format %{ %}
  4555   interface(REG_INTER);
  4556 %}
  4558 operand s3_RegN() %{
  4559   constraint(ALLOC_IN_RC(s3_reg));
  4560   match(RegN);
  4561   match(mRegN);
  4563   format %{ %}
  4564   interface(REG_INTER);
  4565 %}
  4567 operand s4_RegN() %{
  4568   constraint(ALLOC_IN_RC(s4_reg));
  4569   match(RegN);
  4570   match(mRegN);
  4572   format %{ %}
  4573   interface(REG_INTER);
  4574 %}
  4576 operand s5_RegN() %{
  4577   constraint(ALLOC_IN_RC(s5_reg));
  4578   match(RegN);
  4579   match(mRegN);
  4581   format %{ %}
  4582   interface(REG_INTER);
  4583 %}
  4585 operand s6_RegN() %{
  4586   constraint(ALLOC_IN_RC(s6_reg));
  4587   match(RegN);
  4588   match(mRegN);
  4590   format %{ %}
  4591   interface(REG_INTER);
  4592 %}
  4594 operand s7_RegN() %{
  4595   constraint(ALLOC_IN_RC(s7_reg));
  4596   match(RegN);
  4597   match(mRegN);
  4599   format %{ %}
  4600   interface(REG_INTER);
  4601 %}
  4603 operand v0_RegN() %{
  4604   constraint(ALLOC_IN_RC(v0_reg));
  4605   match(RegN);
  4606   match(mRegN);
  4608   format %{ %}
  4609   interface(REG_INTER);
  4610 %}
  4612 operand v1_RegN() %{
  4613   constraint(ALLOC_IN_RC(v1_reg));
  4614   match(RegN);
  4615   match(mRegN);
  4617   format %{ %}
  4618   interface(REG_INTER);
  4619 %}
  4621 // Pointer Register
  4622 operand mRegP() %{
  4623   constraint(ALLOC_IN_RC(p_reg));
  4624   match(RegP);
  4626   format %{  %}
  4627   interface(REG_INTER);
  4628 %} 
  4630 operand no_T8_mRegP() %{
  4631   constraint(ALLOC_IN_RC(no_T8_p_reg));
  4632   match(RegP);
  4633   match(mRegP);
  4635   format %{  %}
  4636   interface(REG_INTER);
  4637 %} 
  4639 operand s0_RegP()
  4640 %{
  4641   constraint(ALLOC_IN_RC(s0_long_reg));
  4642   match(RegP);
  4643   match(mRegP);
  4644   match(no_T8_mRegP);
  4646   format %{ %}
  4647   interface(REG_INTER);
  4648 %}
  4650 operand s1_RegP()
  4651 %{
  4652   constraint(ALLOC_IN_RC(s1_long_reg));
  4653   match(RegP);
  4654   match(mRegP);
  4655   match(no_T8_mRegP);
  4657   format %{ %}
  4658   interface(REG_INTER);
  4659 %}
  4661 operand s2_RegP()
  4662 %{
  4663   constraint(ALLOC_IN_RC(s2_long_reg));
  4664   match(RegP);
  4665   match(mRegP);
  4666   match(no_T8_mRegP);
  4668   format %{ %}
  4669   interface(REG_INTER);
  4670 %}
  4672 operand s3_RegP()
  4673 %{
  4674   constraint(ALLOC_IN_RC(s3_long_reg));
  4675   match(RegP);
  4676   match(mRegP);
  4677   match(no_T8_mRegP);
  4679   format %{ %}
  4680   interface(REG_INTER);
  4681 %}
  4683 operand s4_RegP()
  4684 %{
  4685   constraint(ALLOC_IN_RC(s4_long_reg));
  4686   match(RegP);
  4687   match(mRegP);
  4688   match(no_T8_mRegP);
  4690   format %{ %}
  4691   interface(REG_INTER);
  4692 %}
  4694 operand s5_RegP()
  4695 %{
  4696   constraint(ALLOC_IN_RC(s5_long_reg));
  4697   match(RegP);
  4698   match(mRegP);
  4699   match(no_T8_mRegP);
  4701   format %{ %}
  4702   interface(REG_INTER);
  4703 %}
  4705 operand s6_RegP()
  4706 %{
  4707   constraint(ALLOC_IN_RC(s6_long_reg));
  4708   match(RegP);
  4709   match(mRegP);
  4710   match(no_T8_mRegP);
  4712   format %{ %}
  4713   interface(REG_INTER);
  4714 %}
  4716 operand s7_RegP()
  4717 %{
  4718   constraint(ALLOC_IN_RC(s7_long_reg));
  4719   match(RegP);
  4720   match(mRegP);
  4721   match(no_T8_mRegP);
  4723   format %{ %}
  4724   interface(REG_INTER);
  4725 %}
  4727 operand t0_RegP()
  4728 %{
  4729   constraint(ALLOC_IN_RC(t0_long_reg));
  4730   match(RegP);
  4731   match(mRegP);
  4732   match(no_T8_mRegP);
  4734   format %{ %}
  4735   interface(REG_INTER);
  4736 %}
  4738 operand t1_RegP()
  4739 %{
  4740   constraint(ALLOC_IN_RC(t1_long_reg));
  4741   match(RegP);
  4742   match(mRegP);
  4743   match(no_T8_mRegP);
  4745   format %{ %}
  4746   interface(REG_INTER);
  4747 %}
  4749 operand t2_RegP()
  4750 %{
  4751   constraint(ALLOC_IN_RC(t2_long_reg));
  4752   match(RegP);
  4753   match(mRegP);
  4754   match(no_T8_mRegP);
  4756   format %{ %}
  4757   interface(REG_INTER);
  4758 %}
  4760 operand t3_RegP()
  4761 %{
  4762   constraint(ALLOC_IN_RC(t3_long_reg));
  4763   match(RegP);
  4764   match(mRegP);
  4765   match(no_T8_mRegP);
  4767   format %{ %}
  4768   interface(REG_INTER);
  4769 %}
  4771 operand t8_RegP()
  4772 %{
  4773   constraint(ALLOC_IN_RC(t8_long_reg));
  4774   match(RegP);
  4775   match(mRegP);
  4777   format %{ %}
  4778   interface(REG_INTER);
  4779 %}
  4781 operand t9_RegP()
  4782 %{
  4783   constraint(ALLOC_IN_RC(t9_long_reg));
  4784   match(RegP);
  4785   match(mRegP);
  4786   match(no_T8_mRegP);
  4788   format %{ %}
  4789   interface(REG_INTER);
  4790 %}
  4792 operand a0_RegP()
  4793 %{
  4794   constraint(ALLOC_IN_RC(a0_long_reg));
  4795   match(RegP);
  4796   match(mRegP);
  4797   match(no_T8_mRegP);
  4799   format %{ %}
  4800   interface(REG_INTER);
  4801 %}
  4803 operand a1_RegP()
  4804 %{
  4805   constraint(ALLOC_IN_RC(a1_long_reg));
  4806   match(RegP);
  4807   match(mRegP);
  4808   match(no_T8_mRegP);
  4810   format %{ %}
  4811   interface(REG_INTER);
  4812 %}
  4814 operand a2_RegP()
  4815 %{
  4816   constraint(ALLOC_IN_RC(a2_long_reg));
  4817   match(RegP);
  4818   match(mRegP);
  4819   match(no_T8_mRegP);
  4821   format %{ %}
  4822   interface(REG_INTER);
  4823 %}
  4825 operand a3_RegP()
  4826 %{
  4827   constraint(ALLOC_IN_RC(a3_long_reg));
  4828   match(RegP);
  4829   match(mRegP);
  4830   match(no_T8_mRegP);
  4832   format %{ %}
  4833   interface(REG_INTER);
  4834 %}
  4836 operand a4_RegP()
  4837 %{
  4838   constraint(ALLOC_IN_RC(a4_long_reg));
  4839   match(RegP);
  4840   match(mRegP);
  4841   match(no_T8_mRegP);
  4843   format %{ %}
  4844   interface(REG_INTER);
  4845 %}
  4848 operand a5_RegP()
  4849 %{
  4850   constraint(ALLOC_IN_RC(a5_long_reg));
  4851   match(RegP);
  4852   match(mRegP);
  4853   match(no_T8_mRegP);
  4855   format %{ %}
  4856   interface(REG_INTER);
  4857 %}
  4859 operand a6_RegP()
  4860 %{
  4861   constraint(ALLOC_IN_RC(a6_long_reg));
  4862   match(RegP);
  4863   match(mRegP);
  4864   match(no_T8_mRegP);
  4866   format %{ %}
  4867   interface(REG_INTER);
  4868 %}
  4870 operand a7_RegP()
  4871 %{
  4872   constraint(ALLOC_IN_RC(a7_long_reg));
  4873   match(RegP);
  4874   match(mRegP);
  4875   match(no_T8_mRegP);
  4877   format %{ %}
  4878   interface(REG_INTER);
  4879 %}
  4881 operand v0_RegP()
  4882 %{
  4883   constraint(ALLOC_IN_RC(v0_long_reg));
  4884   match(RegP);
  4885   match(mRegP);
  4886   match(no_T8_mRegP);
  4888   format %{ %}
  4889   interface(REG_INTER);
  4890 %}
  4892 operand v1_RegP()
  4893 %{
  4894   constraint(ALLOC_IN_RC(v1_long_reg));
  4895   match(RegP);
  4896   match(mRegP);
  4897   match(no_T8_mRegP);
  4899   format %{ %}
  4900   interface(REG_INTER);
  4901 %}
  4903 /*
  4904 operand mSPRegP(mRegP reg) %{
  4905   constraint(ALLOC_IN_RC(sp_reg));
  4906   match(reg);
  4908   format %{ "SP"  %}
  4909   interface(REG_INTER);
  4910 %}
  4912 operand mFPRegP(mRegP reg) %{
  4913   constraint(ALLOC_IN_RC(fp_reg));
  4914   match(reg);
  4916   format %{ "FP"  %}
  4917   interface(REG_INTER);
  4918 %}
  4919 */
  4921 operand mRegL() %{
  4922   constraint(ALLOC_IN_RC(long_reg));
  4923   match(RegL);
  4925   format %{ %}
  4926   interface(REG_INTER);
  4927 %}
  4929 operand v0RegL() %{
  4930   constraint(ALLOC_IN_RC(v0_long_reg));
  4931   match(RegL);
  4932   match(mRegL);
  4934   format %{ %}
  4935   interface(REG_INTER);
  4936 %}
  4938 operand v1RegL() %{
  4939   constraint(ALLOC_IN_RC(v1_long_reg));
  4940   match(RegL);
  4941   match(mRegL);
  4943   format %{ %}
  4944   interface(REG_INTER);
  4945 %}
  4947 operand a0RegL() %{
  4948   constraint(ALLOC_IN_RC(a0_long_reg));
  4949   match(RegL);
  4950   match(mRegL);
  4952   format %{ "A0" %}
  4953   interface(REG_INTER);
  4954 %}
  4956 operand a1RegL() %{
  4957   constraint(ALLOC_IN_RC(a1_long_reg));
  4958   match(RegL);
  4959   match(mRegL);
  4961   format %{ %}
  4962   interface(REG_INTER);
  4963 %}
  4965 operand a2RegL() %{
  4966   constraint(ALLOC_IN_RC(a2_long_reg));
  4967   match(RegL);
  4968   match(mRegL);
  4970   format %{ %}
  4971   interface(REG_INTER);
  4972 %}
  4974 operand a3RegL() %{
  4975   constraint(ALLOC_IN_RC(a3_long_reg));
  4976   match(RegL);
  4977   match(mRegL);
  4979   format %{ %}
  4980   interface(REG_INTER);
  4981 %}
  4983 operand t0RegL() %{
  4984   constraint(ALLOC_IN_RC(t0_long_reg));
  4985   match(RegL);
  4986   match(mRegL);
  4988   format %{ %}
  4989   interface(REG_INTER);
  4990 %}
  4992 operand t1RegL() %{
  4993   constraint(ALLOC_IN_RC(t1_long_reg));
  4994   match(RegL);
  4995   match(mRegL);
  4997   format %{ %}
  4998   interface(REG_INTER);
  4999 %}
  5001 operand t2RegL() %{
  5002   constraint(ALLOC_IN_RC(t2_long_reg));
  5003   match(RegL);
  5004   match(mRegL);
  5006   format %{ %}
  5007   interface(REG_INTER);
  5008 %}
  5010 operand t3RegL() %{
  5011   constraint(ALLOC_IN_RC(t3_long_reg));
  5012   match(RegL);
  5013   match(mRegL);
  5015   format %{ %}
  5016   interface(REG_INTER);
  5017 %}
  5019 operand t8RegL() %{
  5020   constraint(ALLOC_IN_RC(t8_long_reg));
  5021   match(RegL);
  5022   match(mRegL);
  5024   format %{ %}
  5025   interface(REG_INTER);
  5026 %}
  5028 operand a4RegL() %{
  5029   constraint(ALLOC_IN_RC(a4_long_reg));
  5030   match(RegL);
  5031   match(mRegL);
  5033   format %{ %}
  5034   interface(REG_INTER);
  5035 %}
  5037 operand a5RegL() %{
  5038   constraint(ALLOC_IN_RC(a5_long_reg));
  5039   match(RegL);
  5040   match(mRegL);
  5042   format %{ %}
  5043   interface(REG_INTER);
  5044 %}
  5046 operand a6RegL() %{
  5047   constraint(ALLOC_IN_RC(a6_long_reg));
  5048   match(RegL);
  5049   match(mRegL);
  5051   format %{ %}
  5052   interface(REG_INTER);
  5053 %}
  5055 operand a7RegL() %{
  5056   constraint(ALLOC_IN_RC(a7_long_reg));
  5057   match(RegL);
  5058   match(mRegL);
  5060   format %{ %}
  5061   interface(REG_INTER);
  5062 %}
  5064 operand s0RegL() %{
  5065   constraint(ALLOC_IN_RC(s0_long_reg));
  5066   match(RegL);
  5067   match(mRegL);
  5069   format %{ %}
  5070   interface(REG_INTER);
  5071 %}
  5073 operand s1RegL() %{
  5074   constraint(ALLOC_IN_RC(s1_long_reg));
  5075   match(RegL);
  5076   match(mRegL);
  5078   format %{ %}
  5079   interface(REG_INTER);
  5080 %}
  5082 operand s2RegL() %{
  5083   constraint(ALLOC_IN_RC(s2_long_reg));
  5084   match(RegL);
  5085   match(mRegL);
  5087   format %{ %}
  5088   interface(REG_INTER);
  5089 %}
  5091 operand s3RegL() %{
  5092   constraint(ALLOC_IN_RC(s3_long_reg));
  5093   match(RegL);
  5094   match(mRegL);
  5096   format %{ %}
  5097   interface(REG_INTER);
  5098 %}
  5100 operand s4RegL() %{
  5101   constraint(ALLOC_IN_RC(s4_long_reg));
  5102   match(RegL);
  5103   match(mRegL);
  5105   format %{ %}
  5106   interface(REG_INTER);
  5107 %}
  5109 operand s7RegL() %{
  5110   constraint(ALLOC_IN_RC(s7_long_reg));
  5111   match(RegL);
  5112   match(mRegL);
  5114   format %{ %}
  5115   interface(REG_INTER);
  5116 %}
  5118 // Floating register operands
  5119 operand regF() %{
  5120   constraint(ALLOC_IN_RC(flt_reg));
  5121   match(RegF);
  5123   format %{ %}
  5124   interface(REG_INTER);
  5125 %}
  5127 //Double Precision Floating register operands
  5128 operand regD() %{
  5129   constraint(ALLOC_IN_RC(dbl_reg));
  5130   match(RegD);
  5132   format %{ %}
  5133   interface(REG_INTER);
  5134 %}
  5136 //----------Memory Operands----------------------------------------------------
  5137 // Indirect Memory Operand
  5138 operand indirect(mRegP reg) %{
  5139   constraint(ALLOC_IN_RC(p_reg));
  5140   match(reg);
  5142   format %{ "[$reg] @ indirect" %}
  5143   interface(MEMORY_INTER) %{
  5144     base($reg);
  5145     index(0x0);	/* NO_INDEX */
  5146     scale(0x0);
  5147     disp(0x0);
  5148   %}
  5149 %}
  5151 // Indirect Memory Plus Short Offset Operand
  5152 operand indOffset8(mRegP reg, immL8 off)
  5153 %{
  5154   constraint(ALLOC_IN_RC(p_reg));
  5155   match(AddP reg off);
  5157   op_cost(10);
  5158   format %{ "[$reg + $off (8-bit)] @ indOffset8" %}
  5159   interface(MEMORY_INTER) %{
  5160     base($reg);
  5161     index(0x0); /* NO_INDEX */
  5162     scale(0x0);
  5163     disp($off);
  5164   %}
  5165 %}
  5167 // Indirect Memory Times Scale Plus Index Register
  5168 operand indIndexScale(mRegP reg, mRegL lreg, immI2 scale)
  5169 %{
  5170   constraint(ALLOC_IN_RC(p_reg));
  5171   match(AddP reg (LShiftL lreg scale));
  5173   op_cost(10);
  5174   format %{"[$reg + $lreg << $scale] @ indIndexScale" %}
  5175   interface(MEMORY_INTER) %{
  5176     base($reg);
  5177     index($lreg);
  5178     scale($scale);
  5179     disp(0x0);
  5180   %}
  5181 %}
  5184 // [base + index + offset] 
  5185 operand baseIndexOffset8(mRegP base, mRegL index, immL8 off)
  5186 %{
  5187   constraint(ALLOC_IN_RC(p_reg));
  5188   op_cost(5);
  5189   match(AddP (AddP base index) off);
  5191   format %{ "[$base + $index + $off (8-bit)] @ baseIndexOffset8" %}
  5192   interface(MEMORY_INTER) %{
  5193     base($base);
  5194     index($index);
  5195     scale(0x0);
  5196     disp($off);
  5197   %}
  5198 %}
  5200 // [base + index + offset] 
  5201 operand baseIndexOffset8_convI2L(mRegP base, mRegI index, immL8 off)
  5202 %{
  5203   constraint(ALLOC_IN_RC(p_reg));
  5204   op_cost(5);
  5205   match(AddP (AddP base (ConvI2L index)) off);
  5207   format %{ "[$base + $index + $off (8-bit)] @ baseIndexOffset8_convI2L" %}
  5208   interface(MEMORY_INTER) %{
  5209     base($base);
  5210     index($index);
  5211     scale(0x0);
  5212     disp($off);
  5213   %}
  5214 %}
  5216 // Indirect Memory Times Scale Plus Index Register Plus Offset Operand
  5217 operand indIndexScaleOffset8(mRegP reg, immL8 off, mRegL lreg, immI2 scale)
  5218 %{
  5219   constraint(ALLOC_IN_RC(p_reg));
  5220   match(AddP (AddP reg (LShiftL lreg scale)) off);
  5222   op_cost(10);
  5223   format %{"[$reg + $off + $lreg << $scale] @ indIndexScaleOffset8" %}
  5224   interface(MEMORY_INTER) %{
  5225     base($reg);
  5226     index($lreg);
  5227     scale($scale);
  5228     disp($off);
  5229   %}
  5230 %}
  5232 operand indIndexScaleOffset8_convI2L(mRegP reg, immL8 off, mRegI ireg, immI2 scale)
  5233 %{
  5234   constraint(ALLOC_IN_RC(p_reg));
  5235   match(AddP (AddP reg (LShiftL (ConvI2L ireg) scale)) off);
  5237   op_cost(10);
  5238   format %{"[$reg + $off + $ireg << $scale] @ indIndexScaleOffset8_convI2L" %}
  5239   interface(MEMORY_INTER) %{
  5240     base($reg);
  5241     index($ireg);
  5242     scale($scale);
  5243     disp($off);
  5244   %}
  5245 %}
  5247 // [base + index<<scale + offset] 
  5248 operand basePosIndexScaleOffset8(mRegP base, mRegI index, immL8 off, immI_0_31 scale)
  5249 %{
  5250   constraint(ALLOC_IN_RC(p_reg));
  5251   //predicate(n->in(2)->in(3)->in(1)->as_Type()->type()->is_long()->_lo >= 0);
  5252   op_cost(10);
  5253   match(AddP (AddP base (LShiftL (ConvI2L index) scale)) off);
  5255   format %{ "[$base + $index << $scale + $off (8-bit)] @ basePosIndexScaleOffset8" %}
  5256   interface(MEMORY_INTER) %{
  5257     base($base);
  5258     index($index);
  5259     scale($scale);
  5260     disp($off);
  5261   %}
  5262 %}
  5264 // Indirect Memory Times Scale Plus Index Register Plus Offset Operand
  5265 operand indIndexScaleOffsetNarrow(mRegN reg, immL8 off, mRegL lreg, immI2 scale)
  5266 %{
  5267   predicate(Universe::narrow_oop_shift() == 0);
  5268   constraint(ALLOC_IN_RC(p_reg));
  5269   match(AddP (AddP (DecodeN reg) (LShiftL lreg scale)) off);
  5271   op_cost(10);
  5272   format %{"[$reg + $off + $lreg << $scale] @ indIndexScaleOffsetNarrow" %}
  5273   interface(MEMORY_INTER) %{
  5274     base($reg);
  5275     index($lreg);
  5276     scale($scale);
  5277     disp($off);
  5278   %}
  5279 %}
  5281 // [base + index<<scale + offset] for compressd Oops
  5282 operand indPosIndexI2LScaleOffset8Narrow(mRegN base, mRegI index, immL8 off, immI_0_31 scale)
  5283 %{
  5284   constraint(ALLOC_IN_RC(p_reg));
  5285   //predicate(Universe::narrow_oop_shift() == 0 && n->in(2)->in(3)->in(1)->as_Type()->type()->is_long()->_lo >= 0);
  5286   predicate(Universe::narrow_oop_shift() == 0);
  5287   op_cost(10);
  5288   match(AddP (AddP (DecodeN base) (LShiftL (ConvI2L index) scale)) off);
  5290   format %{ "[$base + $index << $scale + $off (8-bit)] @ indPosIndexI2LScaleOffset8Narrow" %}
  5291   interface(MEMORY_INTER) %{
  5292     base($base);
  5293     index($index);
  5294     scale($scale);
  5295     disp($off);
  5296   %}
  5297 %}
  5299 //FIXME: I think it's better to limit the immI to be 16-bit at most!
  5300 // Indirect Memory Plus Long Offset Operand
  5301 operand indOffset32(mRegP reg, immL32 off) %{
  5302   constraint(ALLOC_IN_RC(p_reg));
  5303   op_cost(20);
  5304   match(AddP reg off);
  5306   format %{ "[$reg + $off (32-bit)] @ indOffset32" %}
  5307   interface(MEMORY_INTER) %{
  5308     base($reg);
  5309     index(0x0); 	/* NO_INDEX */
  5310     scale(0x0);
  5311     disp($off);
  5312   %}
  5313 %}
  5315 // Indirect Memory Plus Index Register 
  5316 operand indIndex(mRegP addr, mRegL index) %{
  5317   constraint(ALLOC_IN_RC(p_reg));
  5318   match(AddP addr index);
  5320   op_cost(20);
  5321   format %{"[$addr + $index] @ indIndex" %}
  5322   interface(MEMORY_INTER) %{
  5323     base($addr);
  5324     index($index);
  5325     scale(0x0);
  5326     disp(0x0);
  5327   %}
  5328 %}
  5330 operand indirectNarrowKlass(mRegN reg)
  5331 %{
  5332   predicate(Universe::narrow_klass_shift() == 0);
  5333   constraint(ALLOC_IN_RC(p_reg));
  5334   op_cost(10);
  5335   match(DecodeNKlass reg);
  5337   format %{ "[$reg] @ indirectNarrowKlass" %}
  5338   interface(MEMORY_INTER) %{
  5339     base($reg);
  5340     index(0x0);
  5341     scale(0x0);
  5342     disp(0x0);
  5343   %}
  5344 %}
  5346 operand indOffset8NarrowKlass(mRegN reg, immL8 off)
  5347 %{
  5348   predicate(Universe::narrow_klass_shift() == 0);
  5349   constraint(ALLOC_IN_RC(p_reg));
  5350   op_cost(10);
  5351   match(AddP (DecodeNKlass reg) off);
  5353   format %{ "[$reg + $off (8-bit)] @ indOffset8NarrowKlass" %}
  5354   interface(MEMORY_INTER) %{
  5355     base($reg);
  5356     index(0x0);
  5357     scale(0x0);
  5358     disp($off);
  5359   %}
  5360 %}
  5362 operand indOffset32NarrowKlass(mRegN reg, immL32 off)
  5363 %{
  5364   predicate(Universe::narrow_klass_shift() == 0);
  5365   constraint(ALLOC_IN_RC(p_reg));
  5366   op_cost(10);
  5367   match(AddP (DecodeNKlass reg) off);
  5369   format %{ "[$reg + $off (32-bit)] @ indOffset32NarrowKlass" %}
  5370   interface(MEMORY_INTER) %{
  5371     base($reg);
  5372     index(0x0);
  5373     scale(0x0);
  5374     disp($off);
  5375   %}
  5376 %}
  5378 operand indIndexOffsetNarrowKlass(mRegN reg, mRegL lreg, immL32 off)
  5379 %{
  5380   predicate(Universe::narrow_klass_shift() == 0);
  5381   constraint(ALLOC_IN_RC(p_reg));
  5382   match(AddP (AddP (DecodeNKlass reg) lreg) off);
  5384   op_cost(10);
  5385   format %{"[$reg + $off + $lreg] @ indIndexOffsetNarrowKlass" %}
  5386   interface(MEMORY_INTER) %{
  5387     base($reg);
  5388     index($lreg);
  5389     scale(0x0);
  5390     disp($off);
  5391   %}
  5392 %}
  5394 operand indIndexNarrowKlass(mRegN reg, mRegL lreg)
  5395 %{
  5396   predicate(Universe::narrow_klass_shift() == 0);
  5397   constraint(ALLOC_IN_RC(p_reg));
  5398   match(AddP (DecodeNKlass reg) lreg);
  5400   op_cost(10);
  5401   format %{"[$reg + $lreg] @ indIndexNarrowKlass" %}
  5402   interface(MEMORY_INTER) %{
  5403     base($reg);
  5404     index($lreg);
  5405     scale(0x0);
  5406     disp(0x0);
  5407   %}
  5408 %}
  5410 // Indirect Memory Operand
  5411 operand indirectNarrow(mRegN reg)
  5412 %{
  5413   predicate(Universe::narrow_oop_shift() == 0);
  5414   constraint(ALLOC_IN_RC(p_reg));
  5415   op_cost(10);
  5416   match(DecodeN reg);
  5418   format %{ "[$reg] @ indirectNarrow" %}
  5419   interface(MEMORY_INTER) %{
  5420     base($reg);
  5421     index(0x0);
  5422     scale(0x0);
  5423     disp(0x0);
  5424   %}
  5425 %}
  5427 // Indirect Memory Plus Short Offset Operand
  5428 operand indOffset8Narrow(mRegN reg, immL8 off)
  5429 %{
  5430   predicate(Universe::narrow_oop_shift() == 0);
  5431   constraint(ALLOC_IN_RC(p_reg));
  5432   op_cost(10);
  5433   match(AddP (DecodeN reg) off);
  5435   format %{ "[$reg + $off (8-bit)] @ indOffset8Narrow" %}
  5436   interface(MEMORY_INTER) %{
  5437     base($reg);
  5438     index(0x0);
  5439     scale(0x0);
  5440     disp($off);
  5441   %}
  5442 %}
  5444 // Indirect Memory Plus Index Register Plus Offset Operand
  5445 operand indIndexOffset8Narrow(mRegN reg, mRegL lreg, immL8 off)
  5446 %{
  5447   predicate(Universe::narrow_oop_shift() == 0);
  5448   constraint(ALLOC_IN_RC(p_reg));
  5449   match(AddP (AddP (DecodeN reg) lreg) off);
  5451   op_cost(10);
  5452   format %{"[$reg + $off + $lreg] @ indIndexOffset8Narrow" %}
  5453   interface(MEMORY_INTER) %{
  5454     base($reg);
  5455     index($lreg);
  5456     scale(0x0);
  5457     disp($off);
  5458   %}
  5459 %}
  5461 //----------Load Long Memory Operands------------------------------------------
  5462 // The load-long idiom will use it's address expression again after loading
  5463 // the first word of the long.  If the load-long destination overlaps with
  5464 // registers used in the addressing expression, the 2nd half will be loaded
  5465 // from a clobbered address.  Fix this by requiring that load-long use
  5466 // address registers that do not overlap with the load-long target.
  5468 // load-long support
  5469 operand load_long_RegP() %{
  5470   constraint(ALLOC_IN_RC(p_reg));
  5471   match(RegP);
  5472   match(mRegP);
  5473   op_cost(100);
  5474   format %{  %}
  5475   interface(REG_INTER);
  5476 %}
  5478 // Indirect Memory Operand Long
  5479 operand load_long_indirect(load_long_RegP reg) %{
  5480   constraint(ALLOC_IN_RC(p_reg));
  5481   match(reg);
  5483   format %{ "[$reg]" %}
  5484   interface(MEMORY_INTER) %{
  5485     base($reg);
  5486     index(0x0);
  5487     scale(0x0);
  5488     disp(0x0);
  5489   %}
  5490 %}
  5492 // Indirect Memory Plus Long Offset Operand
  5493 operand load_long_indOffset32(load_long_RegP reg, immL32 off) %{
  5494   match(AddP reg off);
  5496   format %{ "[$reg + $off]" %}
  5497   interface(MEMORY_INTER) %{
  5498     base($reg);
  5499     index(0x0);
  5500     scale(0x0);
  5501     disp($off);
  5502   %}
  5503 %}
  5505 //----------Conditional Branch Operands----------------------------------------
  5506 // Comparison Op  - This is the operation of the comparison, and is limited to
  5507 //                  the following set of codes:
  5508 //                  L (<), LE (<=), G (>), GE (>=), E (==), NE (!=)
  5509 //
  5510 // Other attributes of the comparison, such as unsignedness, are specified
  5511 // by the comparison instruction that sets a condition code flags register.
  5512 // That result is represented by a flags operand whose subtype is appropriate
  5513 // to the unsignedness (etc.) of the comparison.
  5514 //
  5515 // Later, the instruction which matches both the Comparison Op (a Bool) and
  5516 // the flags (produced by the Cmp) specifies the coding of the comparison op
  5517 // by matching a specific subtype of Bool operand below, such as cmpOpU.
  5519 // Comparision Code
  5520 operand cmpOp() %{
  5521   match(Bool);
  5523   format %{ "" %}
  5524   interface(COND_INTER) %{
  5525     equal(0x01);
  5526     not_equal(0x02);
  5527     greater(0x03);
  5528     greater_equal(0x04);
  5529     less(0x05);
  5530     less_equal(0x06);
  5531     overflow(0x7);
  5532     no_overflow(0x8);
  5533   %}
  5534 %}
  5537 // Comparision Code
  5538 // Comparison Code, unsigned compare.  Used by FP also, with
  5539 // C2 (unordered) turned into GT or LT already.  The other bits
  5540 // C0 and C3 are turned into Carry & Zero flags.
  5541 operand cmpOpU() %{
  5542   match(Bool);
  5544   format %{ "" %}
  5545   interface(COND_INTER) %{
  5546     equal(0x01);
  5547     not_equal(0x02);
  5548     greater(0x03);
  5549     greater_equal(0x04);
  5550     less(0x05);
  5551     less_equal(0x06);
  5552     overflow(0x7);
  5553     no_overflow(0x8);
  5554   %}
  5555 %}
  5558 //----------Special Memory Operands--------------------------------------------
  5559 // Stack Slot Operand - This operand is used for loading and storing temporary
  5560 //                      values on the stack where a match requires a value to
  5561 //                      flow through memory.
  5562 operand stackSlotP(sRegP reg) %{
  5563   constraint(ALLOC_IN_RC(stack_slots));
  5564   // No match rule because this operand is only generated in matching
  5565   op_cost(50);
  5566   format %{ "[$reg]" %}
  5567   interface(MEMORY_INTER) %{
  5568     base(0x1d);  // SP
  5569     index(0x0);  // No Index
  5570     scale(0x0);  // No Scale
  5571     disp($reg);  // Stack Offset
  5572   %}
  5573 %}
  5575 operand stackSlotI(sRegI reg) %{
  5576   constraint(ALLOC_IN_RC(stack_slots));
  5577   // No match rule because this operand is only generated in matching
  5578   op_cost(50);
  5579   format %{ "[$reg]" %}
  5580   interface(MEMORY_INTER) %{
  5581     base(0x1d);  // SP
  5582     index(0x0);  // No Index
  5583     scale(0x0);  // No Scale
  5584     disp($reg);  // Stack Offset
  5585   %}
  5586 %}
  5588 operand stackSlotF(sRegF reg) %{
  5589   constraint(ALLOC_IN_RC(stack_slots));
  5590   // No match rule because this operand is only generated in matching
  5591   op_cost(50);
  5592   format %{ "[$reg]" %}
  5593   interface(MEMORY_INTER) %{
  5594     base(0x1d);  // SP
  5595     index(0x0);  // No Index
  5596     scale(0x0);  // No Scale
  5597     disp($reg);  // Stack Offset
  5598   %}
  5599 %}
  5601 operand stackSlotD(sRegD reg) %{
  5602   constraint(ALLOC_IN_RC(stack_slots));
  5603   // No match rule because this operand is only generated in matching
  5604   op_cost(50);
  5605   format %{ "[$reg]" %}
  5606   interface(MEMORY_INTER) %{
  5607     base(0x1d);  // SP
  5608     index(0x0);  // No Index
  5609     scale(0x0);  // No Scale
  5610     disp($reg);  // Stack Offset
  5611   %}
  5612 %}
  5614 operand stackSlotL(sRegL reg) %{
  5615   constraint(ALLOC_IN_RC(stack_slots));
  5616   // No match rule because this operand is only generated in matching
  5617   op_cost(50);
  5618   format %{ "[$reg]" %}
  5619   interface(MEMORY_INTER) %{
  5620     base(0x1d);  // SP
  5621     index(0x0);  // No Index
  5622     scale(0x0);  // No Scale
  5623     disp($reg);  // Stack Offset
  5624   %}
  5625 %}
  5628 //------------------------OPERAND CLASSES--------------------------------------
  5629 //opclass memory( direct, indirect, indOffset16, indOffset32, indOffset32X, indIndexOffset );
  5630 opclass memory( indirect, indirectNarrow, indOffset8, indOffset32, indIndex, indIndexScale, load_long_indirect, load_long_indOffset32, baseIndexOffset8, baseIndexOffset8_convI2L, indIndexScaleOffset8, indIndexScaleOffset8_convI2L, basePosIndexScaleOffset8, indIndexScaleOffsetNarrow, indPosIndexI2LScaleOffset8Narrow, indOffset8Narrow, indIndexOffset8Narrow); 
  5633 //----------PIPELINE-----------------------------------------------------------
  5634 // Rules which define the behavior of the target architectures pipeline.
  5636 pipeline %{
  5638 //----------ATTRIBUTES---------------------------------------------------------
  5639 attributes %{
  5640  	fixed_size_instructions;        	// Fixed size instructions
  5641  	branch_has_delay_slot;			// branch have delay slot in gs2
  5642  	max_instructions_per_bundle = 1;   	// 1 instruction per bundle
  5643  	max_bundles_per_cycle = 4;       	// Up to 4 bundles per cycle
  5644         bundle_unit_size=4;
  5645  	instruction_unit_size = 4;         	// An instruction is 4 bytes long
  5646  	instruction_fetch_unit_size = 16;  	// The processor fetches one line
  5647  	instruction_fetch_units = 1;       	// of 16 bytes
  5649  	// List of nop instructions
  5650  	nops( MachNop );
  5651  %}
  5653  //----------RESOURCES----------------------------------------------------------
  5654  // Resources are the functional units available to the machine
  5656  resources(D1, D2, D3, D4, DECODE = D1 | D2 | D3| D4,  ALU1, ALU2,  ALU = ALU1 | ALU2,  FPU1, FPU2, FPU = FPU1 | FPU2,  MEM,  BR); 
  5658  //----------PIPELINE DESCRIPTION-----------------------------------------------
  5659  // Pipeline Description specifies the stages in the machine's pipeline
  5661  // IF: fetch
  5662  // ID: decode
  5663  // RD: read 
  5664  // CA: caculate 
  5665  // WB: write back 
  5666  // CM: commit 
  5668  pipe_desc(IF, ID, RD, CA, WB, CM);
  5671  //----------PIPELINE CLASSES---------------------------------------------------
  5672  // Pipeline Classes describe the stages in which input and output are
  5673  // referenced by the hardware pipeline.
  5675  //No.1 Integer ALU reg-reg operation : dst <-- reg1 op reg2  
  5676  pipe_class ialu_regI_regI(mRegI dst, mRegI src1, mRegI src2) %{
  5677         single_instruction;
  5678  	src1   : RD(read);
  5679  	src2   : RD(read);
  5680         dst    : WB(write)+1;
  5681         DECODE : ID;
  5682  	ALU    : CA;
  5683  %}
  5685  //No.19 Integer mult operation : dst <-- reg1 mult reg2  
  5686  pipe_class ialu_mult(mRegI dst, mRegI src1, mRegI src2) %{
  5687  	src1   : RD(read);
  5688  	src2   : RD(read);
  5689         dst    : WB(write)+5;
  5690         DECODE : ID;
  5691  	ALU2   : CA;
  5692  %}
  5694  pipe_class mulL_reg_reg(mRegL dst, mRegL src1, mRegL src2) %{
  5695  	src1   : RD(read);
  5696  	src2   : RD(read);
  5697         dst    : WB(write)+10;
  5698         DECODE : ID;
  5699  	ALU2   : CA;
  5700  %}
  5702  //No.19 Integer div operation : dst <-- reg1 div reg2  
  5703  pipe_class ialu_div(mRegI dst, mRegI src1, mRegI src2) %{
  5704  	src1   : RD(read);
  5705  	src2   : RD(read);
  5706         dst    : WB(write)+10;
  5707         DECODE : ID;
  5708  	ALU2   : CA;
  5709  %}
  5711  //No.19 Integer mod operation : dst <-- reg1 mod reg2  
  5712  pipe_class ialu_mod(mRegI dst, mRegI src1, mRegI src2) %{
  5713         instruction_count(2);
  5714  	src1   : RD(read);
  5715  	src2   : RD(read);
  5716         dst    : WB(write)+10;
  5717         DECODE : ID;
  5718  	ALU2   : CA;
  5719  %}
  5721  //No.15 Long ALU reg-reg operation : dst <-- reg1 op reg2  
  5722  pipe_class ialu_regL_regL(mRegL dst, mRegL src1, mRegL src2) %{
  5723         instruction_count(2);
  5724  	src1   : RD(read);
  5725  	src2   : RD(read);
  5726         dst    : WB(write);
  5727         DECODE : ID;
  5728  	ALU    : CA;
  5729  %}
  5731  //No.18 Long ALU reg-imm16 operation : dst <-- reg1 op imm16 
  5732  pipe_class ialu_regL_imm16(mRegL dst, mRegL src) %{
  5733         instruction_count(2);
  5734  	src    : RD(read);
  5735         dst    : WB(write);
  5736         DECODE : ID;
  5737  	ALU    : CA;
  5738  %}
  5740  //no.16 load Long from memory :                     
  5741  pipe_class ialu_loadL(mRegL dst, memory mem) %{
  5742  	instruction_count(2);
  5743  	mem    : RD(read);
  5744  	dst    : WB(write)+5;
  5745         DECODE : ID;
  5746  	MEM    : RD;
  5747  %}
  5749  //No.17 Store Long to Memory :                     
  5750  pipe_class ialu_storeL(mRegL src, memory mem) %{
  5751  	instruction_count(2);
  5752  	mem    : RD(read);
  5753  	src    : RD(read);
  5754         DECODE : ID;
  5755  	MEM    : RD;
  5756  %}
  5758  //No.2 Integer ALU reg-imm16 operation : dst <-- reg1 op imm16  
  5759  pipe_class ialu_regI_imm16(mRegI dst, mRegI src) %{
  5760         single_instruction;
  5761  	src    : RD(read);
  5762         dst    : WB(write);
  5763         DECODE : ID;
  5764  	ALU    : CA;
  5765  %}
  5767  //No.3 Integer move operation : dst <-- reg  
  5768  pipe_class ialu_regI_mov(mRegI dst, mRegI src) %{
  5769  	src    : RD(read);
  5770         dst    : WB(write);
  5771         DECODE : ID;
  5772  	ALU    : CA;
  5773  %}
  5775  //No.4 No instructions : do nothing 
  5776  pipe_class empty( ) %{
  5777         instruction_count(0);
  5778  %}
  5780  //No.5 UnConditional branch :
  5781  pipe_class pipe_jump( label labl ) %{
  5782         multiple_bundles;
  5783         DECODE : ID;
  5784 	BR     : RD;
  5785  %}
  5787  //No.6 ALU Conditional branch :
  5788  pipe_class pipe_alu_branch(mRegI src1, mRegI src2, label labl ) %{
  5789         multiple_bundles;
  5790         src1   : RD(read);
  5791         src2   : RD(read);
  5792         DECODE : ID;
  5793 	BR     : RD;
  5794  %}
  5796  //no.7 load integer from memory :                     
  5797  pipe_class ialu_loadI(mRegI dst, memory mem) %{
  5798  	mem    : RD(read);
  5799  	dst    : WB(write)+3;
  5800         DECODE : ID;
  5801  	MEM    : RD;
  5802  %}
  5804  //No.8 Store Integer to Memory :                     
  5805  pipe_class ialu_storeI(mRegI src, memory mem) %{
  5806  	mem    : RD(read);
  5807  	src    : RD(read);
  5808         DECODE : ID;
  5809  	MEM    : RD;
  5810  %}
  5813  //No.10 Floating FPU reg-reg operation : dst <-- reg1 op reg2  
  5814  pipe_class fpu_regF_regF(regF dst, regF src1, regF src2) %{
  5815  	src1   : RD(read);
  5816  	src2   : RD(read);
  5817         dst    : WB(write);
  5818         DECODE : ID;
  5819  	FPU    : CA;
  5820  %}
  5822  //No.22 Floating div operation : dst <-- reg1 div reg2  
  5823  pipe_class fpu_div(regF dst, regF src1, regF src2) %{
  5824  	src1   : RD(read);
  5825  	src2   : RD(read);
  5826         dst    : WB(write);
  5827         DECODE : ID;
  5828  	FPU2   : CA;
  5829  %}
  5831  pipe_class fcvt_I2D(regD dst, mRegI src) %{
  5832  	src    : RD(read);
  5833         dst    : WB(write);
  5834         DECODE : ID;
  5835  	FPU1   : CA;
  5836  %}
  5838  pipe_class fcvt_D2I(mRegI dst, regD src) %{
  5839  	src    : RD(read);
  5840         dst    : WB(write);
  5841         DECODE : ID;
  5842  	FPU1   : CA;
  5843  %}
  5845  pipe_class pipe_mfc1(mRegI dst, regD src) %{
  5846  	src    : RD(read);
  5847         dst    : WB(write);
  5848         DECODE : ID;
  5849  	MEM    : RD;
  5850  %}
  5852  pipe_class pipe_mtc1(regD dst, mRegI src) %{
  5853  	src    : RD(read);
  5854         dst    : WB(write);
  5855         DECODE : ID;
  5856  	MEM    : RD(5);
  5857  %}
  5859  //No.23 Floating sqrt operation : dst <-- reg1 sqrt reg2  
  5860  pipe_class fpu_sqrt(regF dst, regF src1, regF src2) %{
  5861         multiple_bundles;
  5862  	src1   : RD(read);
  5863  	src2   : RD(read);
  5864         dst    : WB(write);
  5865         DECODE : ID;
  5866  	FPU2   : CA;
  5867  %}
  5869  //No.11 Load Floating from Memory :                     
  5870  pipe_class fpu_loadF(regF dst, memory mem) %{
  5871         instruction_count(1);
  5872  	mem    : RD(read);
  5873  	dst    : WB(write)+3;
  5874         DECODE : ID;
  5875  	MEM    : RD;
  5876  %}
  5878  //No.12 Store Floating to Memory :                     
  5879  pipe_class fpu_storeF(regF src, memory mem) %{
  5880         instruction_count(1);
  5881  	mem    : RD(read);
  5882  	src    : RD(read);
  5883         DECODE : ID;
  5884  	MEM    : RD;
  5885  %}
  5887  //No.13 FPU Conditional branch :
  5888  pipe_class pipe_fpu_branch(regF src1, regF src2, label labl ) %{
  5889         multiple_bundles;
  5890         src1   : RD(read);
  5891         src2   : RD(read);
  5892         DECODE : ID;
  5893 	BR     : RD;
  5894  %}
  5896 //No.14 Floating FPU reg operation : dst <-- op reg  
  5897  pipe_class fpu1_regF(regF dst, regF src) %{
  5898  	src    : RD(read);
  5899         dst    : WB(write);
  5900         DECODE : ID;
  5901  	FPU    : CA;
  5902  %}
  5904  pipe_class long_memory_op() %{
  5905 	instruction_count(10); multiple_bundles; force_serialization;
  5906 	fixed_latency(30);
  5907  %}
  5909  pipe_class simple_call() %{
  5910 	instruction_count(10); multiple_bundles; force_serialization;
  5911 	fixed_latency(200);
  5912 	BR     : RD;
  5913  %}
  5915  pipe_class call() %{
  5916 	instruction_count(10); multiple_bundles; force_serialization;
  5917 	fixed_latency(200);
  5918  %}
  5920  //FIXME:
  5921  //No.9 Piple slow : for multi-instructions 
  5922  pipe_class pipe_slow(  ) %{
  5923 	instruction_count(20);
  5924         force_serialization;
  5925         multiple_bundles;
  5926 	fixed_latency(50);
  5927  %}
  5929 %}
  5933 //----------INSTRUCTIONS-------------------------------------------------------
  5934 // 
  5935 // match      -- States which machine-independent subtree may be replaced 
  5936 //               by this instruction.
  5937 // ins_cost   -- The estimated cost of this instruction is used by instruction
  5938 //               selection to identify a minimum cost tree of machine 
  5939 //               instructions that matches a tree of machine-independent 
  5940 //               instructions.
  5941 // format     -- A string providing the disassembly for this instruction.
  5942 //               The value of an instruction's operand may be inserted 
  5943 //               by referring to it with a '$' prefix.
  5944 // opcode     -- Three instruction opcodes may be provided.  These are referred 
  5945 //               to within an encode class as $primary, $secondary, and $tertiary
  5946 //               respectively.  The primary opcode is commonly used to 
  5947 //               indicate the type of machine instruction, while secondary 
  5948 //               and tertiary are often used for prefix options or addressing 
  5949 //               modes.
  5950 // ins_encode -- A list of encode classes with parameters. The encode class
  5951 //               name must have been defined in an 'enc_class' specification
  5952 //               in the encode section of the architecture description.
  5955 // Load Integer
  5956 instruct loadI(mRegI dst, memory mem) %{
  5957   match(Set dst (LoadI mem));
  5959   ins_cost(125);
  5960   format %{ "lw    $dst, $mem 	#@loadI" %}
  5961   ins_encode (load_I_enc(dst, mem));
  5962   ins_pipe( ialu_loadI );
  5963 %}
  5965 instruct loadI_convI2L(mRegL dst, memory mem) %{
  5966   match(Set dst (ConvI2L (LoadI mem)));
  5968   ins_cost(125);
  5969   format %{ "lw    $dst, $mem 	#@loadI_convI2L" %}
  5970   ins_encode (load_I_enc(dst, mem));
  5971   ins_pipe( ialu_loadI );
  5972 %}
  5974 // Load Integer (32 bit signed) to Byte (8 bit signed)
  5975 instruct loadI2B(mRegI dst, memory mem, immI_24 twentyfour) %{
  5976   match(Set dst (RShiftI (LShiftI (LoadI mem) twentyfour) twentyfour));
  5978   ins_cost(125);
  5979   format %{ "lb  $dst, $mem\t# int -> byte #@loadI2B" %}
  5980   ins_encode(load_B_enc(dst, mem));
  5981   ins_pipe(ialu_loadI);
  5982 %}
  5984 // Load Integer (32 bit signed) to Unsigned Byte (8 bit UNsigned)
  5985 instruct loadI2UB(mRegI dst, memory mem, immI_255 mask) %{
  5986   match(Set dst (AndI (LoadI mem) mask));
  5988   ins_cost(125);
  5989   format %{ "lbu  $dst, $mem\t# int -> ubyte #@loadI2UB" %}
  5990   ins_encode(load_UB_enc(dst, mem));
  5991   ins_pipe(ialu_loadI);
  5992 %}
  5994 // Load Integer (32 bit signed) to Short (16 bit signed)
  5995 instruct loadI2S(mRegI dst, memory mem, immI_16 sixteen) %{
  5996   match(Set dst (RShiftI (LShiftI (LoadI mem) sixteen) sixteen));
  5998   ins_cost(125);
  5999   format %{ "lh  $dst, $mem\t# int -> short #@loadI2S" %}
  6000   ins_encode(load_S_enc(dst, mem));
  6001   ins_pipe(ialu_loadI);
  6002 %}
  6004 // Load Integer (32 bit signed) to Unsigned Short/Char (16 bit UNsigned)
  6005 instruct loadI2US(mRegI dst, memory mem, immI_65535 mask) %{
  6006   match(Set dst (AndI (LoadI mem) mask));
  6008   ins_cost(125);
  6009   format %{ "lhu  $dst, $mem\t# int -> ushort/char #@loadI2US" %}
  6010   ins_encode(load_C_enc(dst, mem));
  6011   ins_pipe(ialu_loadI);
  6012 %}
  6014 // Load Long.
  6015 instruct loadL(mRegL dst, memory mem) %{
  6016 //  predicate(!((LoadLNode*)n)->require_atomic_access());
  6017   match(Set dst (LoadL mem));
  6019   ins_cost(250);
  6020   format %{ "ld    $dst, $mem   #@loadL" %}
  6021   ins_encode(load_L_enc(dst, mem));
  6022   ins_pipe( ialu_loadL );
  6023 %}
  6025 // Load Long - UNaligned
  6026 instruct loadL_unaligned(mRegL dst, memory mem) %{
  6027   match(Set dst (LoadL_unaligned mem));
  6029   // FIXME: Jin: Need more effective ldl/ldr
  6030   ins_cost(450);
  6031   format %{ "ld    $dst, $mem   #@loadL_unaligned\n\t" %}
  6032   ins_encode(load_L_enc(dst, mem));
  6033   ins_pipe( ialu_loadL );
  6034 %}
  6036 // Store Long
  6037 instruct storeL_reg(memory mem, mRegL src) %{
  6038   match(Set mem (StoreL mem src));
  6040   ins_cost(200);
  6041   format %{ "sd    $mem,   $src #@storeL_reg\n" %}
  6042   ins_encode(store_L_reg_enc(mem, src));
  6043   ins_pipe( ialu_storeL );
  6044 %}
  6046 instruct storeL_immL0(memory mem, immL0 zero) %{
  6047   match(Set mem (StoreL mem zero));
  6049   ins_cost(180);
  6050   format %{ "sd    zero, $mem #@storeL_immL0" %}
  6051   ins_encode(store_L_immL0_enc(mem, zero));
  6052   ins_pipe( ialu_storeL );
  6053 %}
  6055 instruct storeL_imm(memory mem, immL src) %{
  6056   match(Set mem (StoreL mem src));
  6058   ins_cost(200);
  6059   format %{ "sd    $src, $mem #@storeL_imm" %}
  6060   ins_encode(store_L_immL_enc(mem, src));
  6061   ins_pipe( ialu_storeL );
  6062 %}
  6064 // Load Compressed Pointer
  6065 instruct loadN(mRegN dst, memory mem)
  6066 %{
  6067    match(Set dst (LoadN mem));
  6069    ins_cost(125); // XXX
  6070    format %{ "lwu    $dst, $mem\t# compressed ptr @ loadN" %}
  6071    ins_encode (load_N_enc(dst, mem));
  6072    ins_pipe( ialu_loadI ); // XXX
  6073 %}
  6075 instruct loadN2P(mRegP dst, memory mem)
  6076 %{
  6077    match(Set dst (DecodeN (LoadN mem)));
  6078    predicate(Universe::narrow_oop_base() == NULL && Universe::narrow_oop_shift() == 0);
  6080    ins_cost(125); // XXX
  6081    format %{ "lwu    $dst, $mem\t# @ loadN2P" %}
  6082    ins_encode (load_N_enc(dst, mem));
  6083    ins_pipe( ialu_loadI ); // XXX
  6084 %}
  6086 // Load Pointer
  6087 instruct loadP(mRegP dst, memory mem) %{
  6088   match(Set dst (LoadP mem));
  6090   ins_cost(125);
  6091   format %{ "ld    $dst, $mem #@loadP" %}
  6092   ins_encode (load_P_enc(dst, mem));
  6093   ins_pipe( ialu_loadI );
  6094 %}
  6096 // Load Klass Pointer
  6097 instruct loadKlass(mRegP dst, memory mem) %{
  6098   match(Set dst (LoadKlass mem));
  6100   ins_cost(125);
  6101   format %{ "MOV    $dst,$mem @ loadKlass" %}
  6102   ins_encode (load_P_enc(dst, mem));
  6103   ins_pipe( ialu_loadI );
  6104 %}
  6106 // Load narrow Klass Pointer
  6107 instruct loadNKlass(mRegN dst, memory mem)
  6108 %{
  6109   match(Set dst (LoadNKlass mem));
  6111   ins_cost(125); // XXX
  6112   format %{ "lwu    $dst, $mem\t# compressed klass ptr @ loadNKlass" %}
  6113   ins_encode (load_N_enc(dst, mem));
  6114   ins_pipe( ialu_loadI ); // XXX
  6115 %}
  6117 instruct loadN2PKlass(mRegP dst, memory mem)
  6118 %{
  6119   match(Set dst (DecodeNKlass (LoadNKlass mem)));
  6120   predicate(Universe::narrow_klass_base() == NULL && Universe::narrow_klass_shift() == 0);
  6122   ins_cost(125); // XXX
  6123   format %{ "lwu    $dst, $mem\t# compressed klass ptr @ loadN2PKlass" %}
  6124   ins_encode (load_N_enc(dst, mem));
  6125   ins_pipe( ialu_loadI ); // XXX
  6126 %}
  6128 // Load Constant
  6129 instruct loadConI(mRegI dst, immI src) %{
  6130   match(Set dst src);
  6132   ins_cost(150);
  6133   format %{ "mov    $dst, $src #@loadConI" %}
  6134   ins_encode %{
  6135     Register dst = $dst$$Register;
  6136     int    value = $src$$constant;
  6137     __ move(dst, value);
  6138   %}
  6139   ins_pipe( ialu_regI_regI );
  6140 %}
  6143 instruct loadConL_set64(mRegL dst, immL src) %{
  6144   match(Set dst src);
  6145   ins_cost(120);
  6146   format %{ "li   $dst, $src @ loadConL_set64" %}
  6147   ins_encode %{
  6148     __ set64($dst$$Register, $src$$constant);
  6149   %}
  6150   ins_pipe(ialu_regL_regL);
  6151 %}
  6153 /*
  6154 // Load long value from constant table (predicated by immL_expensive).
  6155 instruct loadConL_load(mRegL dst, immL_expensive src) %{
  6156   match(Set dst src);
  6157   ins_cost(150);
  6158   format %{ "ld  $dst, $constantoffset[$constanttablebase] # load long $src from table @ loadConL_ldx" %}
  6159   ins_encode %{
  6160     int con_offset = $constantoffset($src);
  6162     if (Assembler::is_simm16(con_offset)) {
  6163        __ ld($dst$$Register, $constanttablebase, con_offset);
  6164     } else {
  6165        __ set64(AT, con_offset);
  6166        if (UseLoongsonISA) {
  6167           __ gsldx($dst$$Register, $constanttablebase, AT, 0);
  6168        } else {
  6169           __ daddu(AT, $constanttablebase, AT);
  6170           __ ld($dst$$Register, AT, 0);
  6173   %}
  6174   ins_pipe(ialu_loadI);
  6175 %}
  6176 */
  6178 instruct loadConL16(mRegL dst, immL16 src) %{
  6179   match(Set dst src);
  6180   ins_cost(105);
  6181   format %{ "mov    $dst, $src #@loadConL16" %}
  6182   ins_encode %{
  6183     Register dst_reg = as_Register($dst$$reg);
  6184     int      value   = $src$$constant;
  6185     __ daddiu(dst_reg, R0, value);
  6186   %}
  6187   ins_pipe( ialu_regL_regL );
  6188 %}
  6191 instruct loadConL0(mRegL dst, immL0 src) %{
  6192   match(Set dst src);
  6193   ins_cost(100);
  6194   format %{ "mov    $dst, zero #@loadConL0" %}
  6195   ins_encode %{
  6196     Register dst_reg = as_Register($dst$$reg);
  6197     __ daddu(dst_reg, R0, R0);
  6198   %}
  6199   ins_pipe( ialu_regL_regL );
  6200 %}
  6202 // Load Range
  6203 instruct loadRange(mRegI dst, memory mem) %{
  6204   match(Set dst (LoadRange mem));
  6206   ins_cost(125);
  6207   format %{ "MOV    $dst,$mem @ loadRange" %}
  6208   ins_encode(load_I_enc(dst, mem));
  6209   ins_pipe( ialu_loadI );
  6210 %}
  6213 instruct storeP(memory mem, mRegP src ) %{
  6214   match(Set mem (StoreP mem src));
  6216   ins_cost(125);
  6217   format %{ "sd    $src, $mem #@storeP" %}
  6218   ins_encode(store_P_reg_enc(mem, src));
  6219   ins_pipe( ialu_storeI );
  6220 %}
  6222 // Store NULL Pointer, mark word, or other simple pointer constant.
  6223 instruct storeImmP0(memory mem, immP0 zero) %{
  6224   match(Set mem (StoreP mem zero));
  6226   ins_cost(125);
  6227   format %{ "mov    $mem, $zero #@storeImmP0" %}
  6228   ins_encode(store_P_immP0_enc(mem));
  6229   ins_pipe( ialu_storeI );
  6230 %}
  6232 // Store Byte Immediate
  6233 instruct storeImmB(memory mem, immI8 src) %{
  6234   match(Set mem (StoreB mem src));
  6236   ins_cost(150);
  6237   format %{ "movb   $mem, $src #@storeImmB" %}
  6238   ins_encode(store_B_immI_enc(mem, src));
  6239   ins_pipe( ialu_storeI );
  6240 %}
  6242 // Store Compressed Pointer
  6243 instruct storeN(memory mem, mRegN src)
  6244 %{
  6245   match(Set mem (StoreN mem src));
  6247   ins_cost(125); // XXX
  6248   format %{ "sw    $mem, $src\t# compressed ptr @ storeN" %}
  6249   ins_encode(store_N_reg_enc(mem, src)); 
  6250   ins_pipe( ialu_storeI );
  6251 %}
  6253 instruct storeP2N(memory mem, mRegP src)
  6254 %{
  6255   match(Set mem (StoreN mem (EncodeP src)));
  6256   predicate(Universe::narrow_oop_base() == NULL && Universe::narrow_oop_shift() == 0);
  6258   ins_cost(125); // XXX
  6259   format %{ "sw    $mem, $src\t# @ storeP2N" %}
  6260   ins_encode(store_N_reg_enc(mem, src)); 
  6261   ins_pipe( ialu_storeI );
  6262 %}
  6264 instruct storeNKlass(memory mem, mRegN src)
  6265 %{
  6266   match(Set mem (StoreNKlass mem src));
  6268   ins_cost(125); // XXX
  6269   format %{ "sw    $mem, $src\t# compressed klass ptr @ storeNKlass" %}
  6270   ins_encode(store_N_reg_enc(mem, src));
  6271   ins_pipe( ialu_storeI );
  6272 %}
  6274 instruct storeP2NKlass(memory mem, mRegP src)
  6275 %{
  6276   match(Set mem (StoreNKlass mem (EncodePKlass src)));
  6277   predicate(Universe::narrow_klass_base() == NULL && Universe::narrow_klass_shift() == 0);
  6279   ins_cost(125); // XXX
  6280   format %{ "sw    $mem, $src\t# @ storeP2NKlass" %}
  6281   ins_encode(store_N_reg_enc(mem, src));
  6282   ins_pipe( ialu_storeI );
  6283 %}
  6285 instruct storeImmN0(memory mem, immN0 zero)
  6286 %{
  6287   match(Set mem (StoreN mem zero));
  6289   ins_cost(125); // XXX
  6290   format %{ "storeN0    zero, $mem\t# compressed ptr" %}
  6291   ins_encode(storeImmN0_enc(mem, zero));
  6292   ins_pipe( ialu_storeI );
  6293 %}
  6295 // Store Byte
  6296 instruct storeB(memory mem, mRegI src) %{
  6297   match(Set mem (StoreB mem src));
  6299   ins_cost(125);
  6300   format %{ "sb    $src, $mem #@storeB" %}
  6301   ins_encode(store_B_reg_enc(mem, src));
  6302   ins_pipe( ialu_storeI );
  6303 %}
  6305 instruct storeB_convL2I(memory mem, mRegL src) %{
  6306   match(Set mem (StoreB mem (ConvL2I src)));
  6308   ins_cost(125);
  6309   format %{ "sb    $src, $mem #@storeB_convL2I" %}
  6310   ins_encode(store_B_reg_enc(mem, src));
  6311   ins_pipe( ialu_storeI );
  6312 %}
  6314 // Load Byte (8bit signed)
  6315 instruct loadB(mRegI dst, memory mem) %{
  6316   match(Set dst (LoadB mem));
  6318   ins_cost(125);
  6319   format %{ "lb   $dst, $mem #@loadB" %}
  6320   ins_encode(load_B_enc(dst, mem));
  6321   ins_pipe( ialu_loadI );
  6322 %}
  6324 instruct loadB_convI2L(mRegL dst, memory mem) %{
  6325   match(Set dst (ConvI2L (LoadB mem)));
  6327   ins_cost(125);
  6328   format %{ "lb   $dst, $mem #@loadB_convI2L" %}
  6329   ins_encode(load_B_enc(dst, mem));
  6330   ins_pipe( ialu_loadI );
  6331 %}
  6333 // Load Byte (8bit UNsigned)
  6334 instruct loadUB(mRegI dst, memory mem) %{
  6335   match(Set dst (LoadUB mem));
  6337   ins_cost(125);
  6338   format %{ "lbu   $dst, $mem #@loadUB" %}
  6339   ins_encode(load_UB_enc(dst, mem));
  6340   ins_pipe( ialu_loadI );
  6341 %}
  6343 instruct loadUB_convI2L(mRegL dst, memory mem) %{
  6344   match(Set dst (ConvI2L (LoadUB mem)));
  6346   ins_cost(125);
  6347   format %{ "lbu   $dst, $mem #@loadUB_convI2L" %}
  6348   ins_encode(load_UB_enc(dst, mem));
  6349   ins_pipe( ialu_loadI );
  6350 %}
  6352 // Load Short (16bit signed)
  6353 instruct loadS(mRegI dst, memory mem) %{
  6354   match(Set dst (LoadS mem));
  6356   ins_cost(125);
  6357   format %{ "lh   $dst, $mem #@loadS" %}
  6358   ins_encode(load_S_enc(dst, mem));
  6359   ins_pipe( ialu_loadI );
  6360 %}
  6362 // Load Short (16 bit signed) to Byte (8 bit signed)
  6363 instruct loadS2B(mRegI dst, memory mem, immI_24 twentyfour) %{
  6364   match(Set dst (RShiftI (LShiftI (LoadS mem) twentyfour) twentyfour));
  6366   ins_cost(125);
  6367   format %{ "lb $dst, $mem\t# short -> byte #@loadS2B" %}
  6368   ins_encode(load_B_enc(dst, mem));
  6369   ins_pipe(ialu_loadI);
  6370 %}
  6372 instruct loadS_convI2L(mRegL dst, memory mem) %{
  6373   match(Set dst (ConvI2L (LoadS mem)));
  6375   ins_cost(125);
  6376   format %{ "lh   $dst, $mem #@loadS_convI2L" %}
  6377   ins_encode(load_S_enc(dst, mem));
  6378   ins_pipe( ialu_loadI );
  6379 %}
  6381 // Store Integer Immediate
  6382 instruct storeImmI(memory mem, immI src) %{
  6383   match(Set mem (StoreI mem src));
  6385   ins_cost(150);
  6386   format %{ "mov    $mem, $src #@storeImmI" %}
  6387   ins_encode(store_I_immI_enc(mem, src));
  6388   ins_pipe( ialu_storeI );
  6389 %}
  6391 // Store Integer
  6392 instruct storeI(memory mem, mRegI src) %{
  6393   match(Set mem (StoreI mem src));
  6395   ins_cost(125);
  6396   format %{ "sw    $mem, $src #@storeI" %}
  6397   ins_encode(store_I_reg_enc(mem, src));
  6398   ins_pipe( ialu_storeI );
  6399 %}
  6401 instruct storeI_convL2I(memory mem, mRegL src) %{
  6402   match(Set mem (StoreI mem (ConvL2I src)));
  6404   ins_cost(125);
  6405   format %{ "sw    $mem, $src #@storeI_convL2I" %}
  6406   ins_encode(store_I_reg_enc(mem, src));
  6407   ins_pipe( ialu_storeI );
  6408 %}
  6410 // Load Float
  6411 instruct loadF(regF dst, memory mem) %{
  6412   match(Set dst (LoadF mem));
  6414   ins_cost(150);
  6415   format %{ "loadF $dst, $mem #@loadF" %}
  6416   ins_encode(load_F_enc(dst, mem));
  6417   ins_pipe( ialu_loadI );
  6418 %}
  6420 instruct loadConP_general(mRegP dst, immP src) %{
  6421   match(Set dst src);
  6423   ins_cost(120);
  6424   format %{ "li   $dst, $src #@loadConP_general" %}
  6426   ins_encode %{
  6427     Register dst = $dst$$Register;
  6428     long* value = (long*)$src$$constant;
  6430     if($src->constant_reloc() == relocInfo::metadata_type){
  6431     	int klass_index = __ oop_recorder()->find_index((Klass*)value);
  6432     	RelocationHolder rspec = metadata_Relocation::spec(klass_index);
  6434     	__ relocate(rspec);
  6435     	__ patchable_set48(dst, (long)value);
  6436     }else if($src->constant_reloc() == relocInfo::oop_type){
  6437     	int oop_index = __ oop_recorder()->find_index((jobject)value);
  6438     	RelocationHolder rspec = oop_Relocation::spec(oop_index);
  6440     	__ relocate(rspec);
  6441     	__ patchable_set48(dst, (long)value);
  6442     } else if ($src->constant_reloc() == relocInfo::none) {
  6443         __ set64(dst, (long)value);
  6445   %}
  6447   ins_pipe( ialu_regI_regI );
  6448 %}
  6450 /*
  6451 instruct loadConP_load(mRegP dst, immP_load src) %{
  6452   match(Set dst src);
  6454   ins_cost(100);
  6455   format %{ "ld     $dst, [$constanttablebase + $constantoffset] load from constant table: ptr=$src @ loadConP_load" %}
  6457   ins_encode %{
  6459     int con_offset = $constantoffset($src);
  6461     if (Assembler::is_simm16(con_offset)) {
  6462        __ ld($dst$$Register, $constanttablebase, con_offset);
  6463     } else {
  6464        __ set64(AT, con_offset);
  6465        if (UseLoongsonISA) {
  6466           __ gsldx($dst$$Register, $constanttablebase, AT, 0);
  6467        } else {
  6468           __ daddu(AT, $constanttablebase, AT);
  6469           __ ld($dst$$Register, AT, 0);
  6472   %}
  6474   ins_pipe(ialu_loadI);
  6475 %}
  6476 */
  6478 instruct loadConP_no_oop_cheap(mRegP dst, immP_no_oop_cheap src) %{
  6479   match(Set dst src);
  6481   ins_cost(80);
  6482   format %{ "li    $dst, $src @ loadConP_no_oop_cheap" %}
  6484   ins_encode %{
  6485     __ set64($dst$$Register, $src$$constant);
  6486   %}
  6488   ins_pipe(ialu_regI_regI);
  6489 %}
  6492 instruct loadConP_poll(mRegP dst, immP_poll src) %{
  6493   match(Set dst src);
  6495   ins_cost(50);
  6496   format %{ "li   $dst, $src #@loadConP_poll" %}
  6498   ins_encode %{
  6499     Register dst = $dst$$Register;
  6500     intptr_t value = (intptr_t)$src$$constant;
  6502     __ set64(dst, (jlong)value);
  6503   %}
  6505   ins_pipe( ialu_regI_regI );
  6506 %}
  6508 instruct loadConP0(mRegP dst, immP0 src)
  6509 %{
  6510   match(Set dst src); 
  6512   ins_cost(50);
  6513   format %{ "mov    $dst, R0\t# ptr" %}
  6514   ins_encode %{
  6515      Register dst_reg = $dst$$Register;
  6516      __ daddu(dst_reg, R0, R0);
  6517   %}
  6518   ins_pipe( ialu_regI_regI );
  6519 %}
  6521 instruct loadConN0(mRegN dst, immN0 src) %{
  6522   match(Set dst src);
  6523   format %{ "move    $dst, R0\t# compressed NULL ptr" %}
  6524   ins_encode %{
  6525     __ move($dst$$Register, R0);
  6526   %}
  6527   ins_pipe( ialu_regI_regI );
  6528 %}
  6530 instruct loadConN(mRegN dst, immN src) %{
  6531   match(Set dst src);
  6533   ins_cost(125);
  6534   format %{ "li    $dst, $src\t# compressed ptr @ loadConN" %}
  6535   ins_encode %{
  6536     Register dst = $dst$$Register;
  6537     __ set_narrow_oop(dst, (jobject)$src$$constant);
  6538   %}
  6539   ins_pipe( ialu_regI_regI ); // XXX
  6540 %}
  6542 instruct loadConNKlass(mRegN dst, immNKlass src) %{
  6543   match(Set dst src);
  6545   ins_cost(125);
  6546   format %{ "li    $dst, $src\t# compressed klass ptr @ loadConNKlass" %}
  6547   ins_encode %{
  6548     Register dst = $dst$$Register;
  6549     __ set_narrow_klass(dst, (Klass*)$src$$constant);
  6550   %}
  6551   ins_pipe( ialu_regI_regI ); // XXX
  6552 %}
  6554 //FIXME
  6555 // Tail Call; Jump from runtime stub to Java code.
  6556 // Also known as an 'interprocedural jump'.
  6557 // Target of jump will eventually return to caller.
  6558 // TailJump below removes the return address.
  6559 instruct TailCalljmpInd(mRegP jump_target, mRegP method_oop) %{
  6560   match(TailCall jump_target method_oop );
  6561   ins_cost(300);
  6562   format %{ "JMP    $jump_target \t# @TailCalljmpInd" %}
  6564   ins_encode %{
  6565     Register target = $jump_target$$Register;
  6566     Register    oop = $method_oop$$Register;
  6568     /* 2012/10/12 Jin: RA will be used in generate_forward_exception() */
  6569     __ push(RA);
  6571     __ move(S3, oop);
  6572     __ jr(target);
  6573     __ nop();
  6574   %}
  6576   ins_pipe( pipe_jump );
  6577 %}
  6579 // Create exception oop: created by stack-crawling runtime code.
  6580 // Created exception is now available to this handler, and is setup
  6581 // just prior to jumping to this handler.  No code emitted.
  6582 instruct CreateException( a0_RegP ex_oop )
  6583 %{
  6584   match(Set ex_oop (CreateEx));
  6586   // use the following format syntax
  6587   format %{ "# exception oop is in A0; no code emitted @CreateException" %}
  6588   ins_encode %{
  6589     /* Jin: X86 leaves this function empty */
  6590     __ block_comment("CreateException is empty in X86/MIPS");
  6591   %}
  6592   ins_pipe( empty );
  6593 //  ins_pipe( pipe_jump );
  6594 %}
  6597 /* 2012/9/14 Jin: The mechanism of exception handling is clear now.
  6599 - Common try/catch:
  6600  2012/9/14 Jin: [stubGenerator_mips.cpp] generate_forward_exception()
  6601                     |- V0, V1 are created
  6602                     |- T9 <= SharedRuntime::exception_handler_for_return_address
  6603                     `- jr T9
  6604                          `- the caller's exception_handler
  6605                                `- jr OptoRuntime::exception_blob
  6606                                       `- here
  6607 - Rethrow(e.g. 'unwind'):
  6608   * The callee:
  6609      |- an exception is triggered during execution
  6610      `- exits the callee method through RethrowException node
  6611           |- The callee pushes exception_oop(T0) and exception_pc(RA)
  6612           `- The callee jumps to OptoRuntime::rethrow_stub()
  6613   * In OptoRuntime::rethrow_stub:
  6614      |- The VM calls _rethrow_Java to determine the return address in the caller method
  6615      `- exits the stub with tailjmpInd
  6616           |- pops exception_oop(V0) and exception_pc(V1)
  6617           `- jumps to the return address(usually an exception_handler)
  6618   * The caller:
  6619      `- continues processing the exception_blob with V0/V1
  6620 */
  6622 /*
  6623 Disassembling OptoRuntime::rethrow_stub()
  6625 ; locals
  6626    0x2d3bf320: addiu sp, sp, 0xfffffff8
  6627    0x2d3bf324: sw ra, 0x4(sp)
  6628    0x2d3bf328: sw fp, 0x0(sp)
  6629    0x2d3bf32c: addu fp, sp, zero
  6630    0x2d3bf330: addiu sp, sp, 0xfffffff0
  6631    0x2d3bf334: sw ra, 0x8(sp)
  6632    0x2d3bf338: sw t0, 0x4(sp)
  6633    0x2d3bf33c: sw sp, 0x0(sp)
  6635 ; get_thread(S2)
  6636    0x2d3bf340: addu s2, sp, zero
  6637    0x2d3bf344: srl s2, s2, 12
  6638    0x2d3bf348: sll s2, s2, 2
  6639    0x2d3bf34c: lui at, 0x2c85
  6640    0x2d3bf350: addu at, at, s2
  6641    0x2d3bf354: lw s2, 0xffffcc80(at)
  6643    0x2d3bf358: lw s0, 0x0(sp)
  6644    0x2d3bf35c: sw s0, 0x118(s2)		// last_sp -> threa
  6645    0x2d3bf360: sw s2, 0xc(sp)
  6647 ; OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc)
  6648    0x2d3bf364: lw a0, 0x4(sp)
  6649    0x2d3bf368: lw a1, 0xc(sp)
  6650    0x2d3bf36c: lw a2, 0x8(sp)
  6651   ;; Java_To_Runtime
  6652    0x2d3bf370: lui t9, 0x2c34
  6653    0x2d3bf374: addiu t9, t9, 0xffff8a48
  6654    0x2d3bf378: jalr t9
  6655    0x2d3bf37c: nop
  6657    0x2d3bf380: addu s3, v0, zero		 ; S3: SharedRuntime::raw_exception_handler_for_return_address()
  6659    0x2d3bf384: lw s0, 0xc(sp)
  6660    0x2d3bf388: sw zero, 0x118(s0)
  6661    0x2d3bf38c: sw zero, 0x11c(s0)
  6662    0x2d3bf390: lw s1, 0x144(s0)			; ex_oop: S1
  6663    0x2d3bf394: addu s2, s0, zero
  6664    0x2d3bf398: sw zero, 0x144(s2)
  6665    0x2d3bf39c: lw s0, 0x4(s2)
  6666    0x2d3bf3a0: addiu s4, zero, 0x0
  6667    0x2d3bf3a4: bne s0, s4, 0x2d3bf3d4
  6668    0x2d3bf3a8: nop
  6669    0x2d3bf3ac: addiu sp, sp, 0x10
  6670    0x2d3bf3b0: addiu sp, sp, 0x8
  6671    0x2d3bf3b4: lw ra, 0xfffffffc(sp)
  6672    0x2d3bf3b8: lw fp, 0xfffffff8(sp)
  6673    0x2d3bf3bc: lui at, 0x2b48
  6674    0x2d3bf3c0: lw at, 0x100(at)
  6676 ; tailjmpInd: Restores exception_oop & exception_pc
  6677    0x2d3bf3c4: addu v1, ra, zero
  6678    0x2d3bf3c8: addu v0, s1, zero
  6679    0x2d3bf3cc: jr s3
  6680    0x2d3bf3d0: nop
  6681 ; Exception:
  6682    0x2d3bf3d4: lui s1, 0x2cc8		; generate_forward_exception()
  6683    0x2d3bf3d8: addiu s1, s1, 0x40
  6684    0x2d3bf3dc: addiu s2, zero, 0x0
  6685    0x2d3bf3e0: addiu sp, sp, 0x10
  6686    0x2d3bf3e4: addiu sp, sp, 0x8
  6687    0x2d3bf3e8: lw ra, 0xfffffffc(sp)
  6688    0x2d3bf3ec: lw fp, 0xfffffff8(sp)
  6689    0x2d3bf3f0: lui at, 0x2b48
  6690    0x2d3bf3f4: lw at, 0x100(at)
  6691 ; TailCalljmpInd 
  6692               __ push(RA);		; to be used in generate_forward_exception()
  6693    0x2d3bf3f8: addu t7, s2, zero
  6694    0x2d3bf3fc: jr s1
  6695    0x2d3bf400: nop
  6696 */
  6697 // Rethrow exception:
  6698 // The exception oop will come in the first argument position.
  6699 // Then JUMP (not call) to the rethrow stub code.
  6700 instruct RethrowException()
  6701 %{
  6702   match(Rethrow);
  6704   // use the following format syntax
  6705   format %{ "JMP    rethrow_stub #@RethrowException" %}
  6706   ins_encode %{
  6707     __ block_comment("@ RethrowException");
  6709     cbuf.set_insts_mark();
  6710     cbuf.relocate(cbuf.insts_mark(), runtime_call_Relocation::spec());
  6712     // call OptoRuntime::rethrow_stub to get the exception handler in parent method
  6713     __ patchable_jump((address)OptoRuntime::rethrow_stub());
  6714   %}
  6715   ins_pipe( pipe_jump );
  6716 %}
  6718 instruct branchConP_zero(cmpOpU cmp, mRegP op1, immP0 zero, label labl) %{
  6719   match(If cmp (CmpP op1 zero));
  6720   effect(USE labl);
  6722   ins_cost(180);
  6723   format %{ "b$cmp   $op1, R0, $labl #@branchConP_zero" %}
  6725   ins_encode %{
  6726     Register op1 = $op1$$Register;
  6727     Register op2 = R0;
  6728     Label    &L  = *($labl$$label);
  6729     int     flag = $cmp$$cmpcode;
  6731     switch(flag)
  6733       case 0x01: //equal
  6734 	if (&L)
  6735         	__ beq(op1, op2, L); 
  6736 	else 
  6737         	__ beq(op1, op2, (int)0); 
  6738         break;
  6739       case 0x02: //not_equal
  6740 	if (&L)
  6741         	__ bne(op1, op2, L); 
  6742 	else
  6743         	__ bne(op1, op2, (int)0); 
  6744         break;
  6745       default:
  6746           Unimplemented();
  6748     __ nop();
  6749   %}
  6751   ins_pc_relative(1);
  6752   ins_pipe( pipe_alu_branch );
  6753 %}
  6755 instruct branchConN2P_zero(cmpOpU cmp, mRegN op1, immP0 zero, label labl) %{
  6756   match(If cmp (CmpP (DecodeN op1) zero));
  6757   predicate(Universe::narrow_oop_base() == NULL && Universe::narrow_oop_shift() == 0);
  6758   effect(USE labl);
  6760   ins_cost(180);
  6761   format %{ "b$cmp   $op1, R0, $labl #@branchConN2P_zero" %}
  6763   ins_encode %{
  6764     Register op1 = $op1$$Register;
  6765     Register op2 = R0;
  6766     Label    &L  = *($labl$$label);
  6767     int     flag = $cmp$$cmpcode;
  6769     switch(flag)
  6771       case 0x01: //equal
  6772 	if (&L)
  6773         	__ beq(op1, op2, L); 
  6774 	else 
  6775         	__ beq(op1, op2, (int)0); 
  6776         break;
  6777       case 0x02: //not_equal
  6778 	if (&L)
  6779         	__ bne(op1, op2, L); 
  6780 	else
  6781         	__ bne(op1, op2, (int)0); 
  6782         break;
  6783       default:
  6784           Unimplemented();
  6786     __ nop();
  6787   %}
  6789   ins_pc_relative(1);
  6790   ins_pipe( pipe_alu_branch );
  6791 %}
  6794 instruct branchConP(cmpOpU cmp, mRegP op1, mRegP op2, label labl) %{
  6795   match(If cmp (CmpP op1 op2));
  6796 //  predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf));
  6797   effect(USE labl);
  6799   ins_cost(200);
  6800   format %{ "b$cmp   $op1, $op2, $labl #@branchConP" %}
  6802   ins_encode %{
  6803     Register op1 = $op1$$Register;
  6804     Register op2 = $op2$$Register;
  6805     Label    &L  = *($labl$$label);
  6806     int     flag = $cmp$$cmpcode;
  6808     switch(flag)
  6810       case 0x01: //equal
  6811 	if (&L)
  6812         	__ beq(op1, op2, L); 
  6813 	else 
  6814         	__ beq(op1, op2, (int)0); 
  6815         break;
  6816       case 0x02: //not_equal
  6817 	if (&L)
  6818         	__ bne(op1, op2, L); 
  6819 	else
  6820         	__ bne(op1, op2, (int)0); 
  6821         break;
  6822       case 0x03: //above
  6823         __ sltu(AT, op2, op1);
  6824         if(&L)
  6825         	__ bne(R0, AT, L); 
  6826         else
  6827                 __ bne(R0, AT, (int)0);
  6828         break;
  6829       case 0x04: //above_equal
  6830         __ sltu(AT, op1, op2);
  6831         if(&L)
  6832        	        __ beq(AT, R0, L);
  6833         else
  6834        	        __ beq(AT, R0, (int)0);
  6835         break;
  6836       case 0x05: //below
  6837         __ sltu(AT, op1, op2);
  6838         if(&L)
  6839       		 __ bne(R0, AT, L); 
  6840         else
  6841         	 __ bne(R0, AT, (int)0);
  6842         break;
  6843       case 0x06: //below_equal
  6844         __ sltu(AT, op2, op1);
  6845         if(&L)
  6846         	__ beq(AT, R0, L);
  6847         else
  6848         	__ beq(AT, R0, (int)0);
  6849        break;
  6850       default:
  6851           Unimplemented();
  6853     __ nop();
  6854   %}
  6856   ins_pc_relative(1);
  6857   ins_pipe( pipe_alu_branch );
  6858 %}
  6860 instruct cmpN_null_branch(cmpOp cmp, mRegN op1, immN0 null, label labl) %{
  6861   match(If cmp (CmpN op1 null));
  6862   effect(USE labl);
  6864   ins_cost(180);
  6865   format %{ "CMP    $op1,0\t! compressed ptr\n\t"
  6866             "BP$cmp   $labl @ cmpN_null_branch" %}
  6867   ins_encode %{
  6868     Register op1 = $op1$$Register;
  6869     Register op2 = R0;
  6870     Label    &L  = *($labl$$label);
  6871     int     flag = $cmp$$cmpcode;
  6873     switch(flag)
  6875 		case 0x01: //equal
  6876 			if (&L)
  6877 				__ beq(op1, op2, L); 
  6878 			else 
  6879 				__ beq(op1, op2, (int)0); 
  6880 			break;
  6881 		case 0x02: //not_equal
  6882 			if (&L)
  6883 				__ bne(op1, op2, L); 
  6884 			else
  6885 				__ bne(op1, op2, (int)0); 
  6886 			break;
  6887 		default:
  6888           Unimplemented();
  6890     __ nop();
  6891   %}
  6892 //TODO: pipe_branchP or create pipe_branchN LEE
  6893   ins_pc_relative(1);
  6894   ins_pipe( pipe_alu_branch );
  6895 %}
  6897 instruct cmpN_reg_branch(cmpOp cmp, mRegN op1, mRegN op2, label labl) %{
  6898   match(If cmp (CmpN op1 op2));
  6899   effect(USE labl);
  6901   ins_cost(180);
  6902   format %{ "CMP    $op1,$op2\t! compressed ptr\n\t"
  6903             "BP$cmp   $labl" %}
  6904   ins_encode %{
  6905     Register op1_reg = $op1$$Register;
  6906     Register op2_reg = $op2$$Register;
  6907     Label    &L  = *($labl$$label);
  6908     int     flag = $cmp$$cmpcode;
  6910     switch(flag)
  6912 		case 0x01: //equal
  6913 			if (&L)
  6914 				__ beq(op1_reg, op2_reg, L); 
  6915 			else 
  6916 				__ beq(op1_reg, op2_reg, (int)0); 
  6917 			break;
  6918 		case 0x02: //not_equal
  6919 			if (&L)
  6920 				__ bne(op1_reg, op2_reg, L); 
  6921 			else
  6922 				__ bne(op1_reg, op2_reg, (int)0); 
  6923 			break;
  6924 		case 0x03: //above
  6925 			__ sltu(AT, op2_reg, op1_reg);
  6926 			if(&L)
  6927 				__ bne(R0, AT, L); 
  6928 			else
  6929 				__ bne(R0, AT, (int)0);
  6930 			break;
  6931 		case 0x04: //above_equal
  6932 			__ sltu(AT, op1_reg, op2_reg);
  6933 			if(&L)
  6934 				__ beq(AT, R0, L);
  6935 			else
  6936 				__ beq(AT, R0, (int)0);
  6937 			break;
  6938 		case 0x05: //below
  6939 			__ sltu(AT, op1_reg, op2_reg);
  6940 			if(&L)
  6941 				__ bne(R0, AT, L); 
  6942 			else
  6943 				__ bne(R0, AT, (int)0);
  6944 			break;
  6945 		case 0x06: //below_equal
  6946 			__ sltu(AT, op2_reg, op1_reg);
  6947 			if(&L)
  6948 				__ beq(AT, R0, L);
  6949 			else
  6950 				__ beq(AT, R0, (int)0);
  6951 			break;
  6952 		default:
  6953           Unimplemented();
  6955     __ nop();
  6956   %}
  6957   ins_pc_relative(1);
  6958   ins_pipe( pipe_alu_branch );
  6959 %}
  6961 instruct branchConIU_reg_reg(cmpOpU cmp, mRegI src1, mRegI src2, label labl) %{
  6962   match( If cmp (CmpU src1 src2) );
  6963   effect(USE labl);
  6964   format %{ "BR$cmp   $src1, $src2, $labl #@branchConIU_reg_reg" %}
  6966   ins_encode %{
  6967     Register op1 = $src1$$Register;
  6968     Register op2 = $src2$$Register;
  6969     Label     &L = *($labl$$label);
  6970     int     flag = $cmp$$cmpcode;
  6972     switch(flag)
  6974       case 0x01: //equal
  6975 	if (&L)
  6976         	__ beq(op1, op2, L); 
  6977 	else 
  6978         	__ beq(op1, op2, (int)0); 
  6979         break;
  6980       case 0x02: //not_equal
  6981 	if (&L)
  6982         	__ bne(op1, op2, L); 
  6983 	else
  6984         	__ bne(op1, op2, (int)0); 
  6985         break;
  6986       case 0x03: //above
  6987         __ sltu(AT, op2, op1);
  6988         if(&L)
  6989         	__ bne(AT, R0, L); 
  6990         else
  6991                 __ bne(AT, R0, (int)0);
  6992         break;
  6993       case 0x04: //above_equal
  6994         __ sltu(AT, op1, op2);
  6995         if(&L)
  6996         	__ beq(AT, R0, L);
  6997         else
  6998                 __ beq(AT, R0, (int)0);
  6999         break;
  7000       case 0x05: //below
  7001         __ sltu(AT, op1, op2);
  7002         if(&L)
  7003       		 __ bne(AT, R0, L); 
  7004         else
  7005         	 __ bne(AT, R0, (int)0);
  7006         break;
  7007       case 0x06: //below_equal
  7008         __ sltu(AT, op2, op1);
  7009         if(&L)
  7010         	__ beq(AT, R0, L);
  7011         else
  7012         	__ beq(AT, R0, (int)0);
  7013         break;
  7014       default:
  7015           Unimplemented();
  7017     __ nop();
  7018   %}
  7020   ins_pc_relative(1);
  7021   ins_pipe( pipe_alu_branch );
  7022 %}
  7025 instruct branchConIU_reg_imm(cmpOpU cmp, mRegI src1, immI src2, label labl) %{
  7026   match( If cmp (CmpU src1 src2) );
  7027   effect(USE labl);
  7028   format %{ "BR$cmp   $src1, $src2, $labl #@branchConIU_reg_imm" %}
  7030   ins_encode %{
  7031     Register op1 = $src1$$Register;
  7032     int      val = $src2$$constant;
  7033     Label     &L = *($labl$$label);
  7034     int     flag = $cmp$$cmpcode;
  7036     __ move(AT, val);
  7037     switch(flag)
  7039       case 0x01: //equal
  7040 	if (&L)
  7041         	__ beq(op1, AT, L); 
  7042 	else 
  7043         	__ beq(op1, AT, (int)0); 
  7044         break;
  7045       case 0x02: //not_equal
  7046 	if (&L)
  7047         	__ bne(op1, AT, L); 
  7048 	else
  7049         	__ bne(op1, AT, (int)0); 
  7050         break;
  7051       case 0x03: //above
  7052         __ sltu(AT, AT, op1);
  7053         if(&L)
  7054         	__ bne(R0, AT, L); 
  7055         else
  7056                 __ bne(R0, AT, (int)0);
  7057         break;
  7058       case 0x04: //above_equal
  7059         __ sltu(AT, op1, AT);
  7060         if(&L)
  7061         	__ beq(AT, R0, L);
  7062         else
  7063                 __ beq(AT, R0, (int)0);
  7064         break;
  7065       case 0x05: //below
  7066         __ sltu(AT, op1, AT);
  7067         if(&L)
  7068       		 __ bne(R0, AT, L); 
  7069         else
  7070         	 __ bne(R0, AT, (int)0);
  7071         break;
  7072       case 0x06: //below_equal
  7073         __ sltu(AT, AT, op1);
  7074         if(&L)
  7075         	__ beq(AT, R0, L);
  7076         else
  7077         	__ beq(AT, R0, (int)0);
  7078        break;
  7079       default:
  7080           Unimplemented();
  7082     __ nop();
  7083   %}
  7085   ins_pc_relative(1);
  7086   ins_pipe( pipe_alu_branch );
  7087 %}
  7089 instruct branchConI_reg_reg(cmpOp cmp, mRegI src1, mRegI src2, label labl) %{
  7090   match( If cmp (CmpI src1 src2) );
  7091   effect(USE labl);
  7092   format %{ "BR$cmp   $src1, $src2, $labl #@branchConI_reg_reg" %}
  7094   ins_encode %{
  7095     Register op1 = $src1$$Register;
  7096     Register op2 = $src2$$Register;
  7097     Label     &L = *($labl$$label);
  7098     int     flag = $cmp$$cmpcode;
  7100     switch(flag)
  7102       case 0x01: //equal
  7103 	if (&L)
  7104         	__ beq(op1, op2, L); 
  7105 	else 
  7106         	__ beq(op1, op2, (int)0); 
  7107         break;
  7108       case 0x02: //not_equal
  7109 	if (&L)
  7110         	__ bne(op1, op2, L); 
  7111 	else
  7112         	__ bne(op1, op2, (int)0); 
  7113         break;
  7114       case 0x03: //above
  7115         __ slt(AT, op2, op1);
  7116         if(&L)
  7117         	__ bne(R0, AT, L); 
  7118         else
  7119                 __ bne(R0, AT, (int)0);
  7120         break;
  7121       case 0x04: //above_equal
  7122         __ slt(AT, op1, op2);
  7123         if(&L)
  7124         	__ beq(AT, R0, L);
  7125         else
  7126                 __ beq(AT, R0, (int)0);
  7127         break;
  7128       case 0x05: //below
  7129         __ slt(AT, op1, op2);
  7130         if(&L)
  7131       		 __ bne(R0, AT, L); 
  7132         else
  7133         	 __ bne(R0, AT, (int)0);
  7134         break;
  7135       case 0x06: //below_equal
  7136         __ slt(AT, op2, op1);
  7137         if(&L)
  7138         	__ beq(AT, R0, L);
  7139         else
  7140         	__ beq(AT, R0, (int)0);
  7141        break;
  7142       default:
  7143           Unimplemented();
  7145     __ nop();
  7146   %}
  7148   ins_pc_relative(1);
  7149   ins_pipe( pipe_alu_branch );
  7150 %}
  7152 instruct branchConI_reg_imm0(cmpOp cmp, mRegI src1, immI0 src2, label labl) %{
  7153   match( If cmp (CmpI src1 src2) );
  7154   effect(USE labl);
  7155   ins_cost(170);
  7156   format %{ "BR$cmp   $src1, $src2, $labl #@branchConI_reg_imm0" %}
  7158   ins_encode %{
  7159     Register op1 = $src1$$Register;
  7160 //    int      val = $src2$$constant;
  7161     Label     &L =  *($labl$$label);
  7162     int     flag = $cmp$$cmpcode;
  7164     //__ move(AT, val);
  7165     switch(flag)
  7167       case 0x01: //equal
  7168 	if (&L)
  7169         	__ beq(op1, R0, L); 
  7170 	else 
  7171         	__ beq(op1, R0, (int)0); 
  7172         break;
  7173       case 0x02: //not_equal
  7174 	if (&L)
  7175         	__ bne(op1, R0, L); 
  7176 	else
  7177         	__ bne(op1, R0, (int)0); 
  7178         break;
  7179       case 0x03: //greater
  7180         if(&L)
  7181                __ bgtz(op1, L);
  7182         else
  7183                __ bgtz(op1, (int)0);
  7184         break;
  7185       case 0x04: //greater_equal
  7186         if(&L)
  7187                __ bgez(op1, L);
  7188         else
  7189                __ bgez(op1, (int)0);
  7190         break;
  7191       case 0x05: //less
  7192         if(&L)
  7193                 __ bltz(op1, L);
  7194         else
  7195                 __ bltz(op1, (int)0);
  7196         break;
  7197       case 0x06: //less_equal
  7198         if(&L)
  7199                __ blez(op1, L);
  7200         else
  7201                __ blez(op1, (int)0);
  7202        break;
  7203       default:
  7204           Unimplemented();
  7206     __ nop();
  7207   %}
  7209   ins_pc_relative(1);
  7210   ins_pipe( pipe_alu_branch );
  7211 %}
  7214 instruct branchConI_reg_imm(cmpOp cmp, mRegI src1, immI src2, label labl) %{
  7215   match( If cmp (CmpI src1 src2) );
  7216   effect(USE labl);
  7217   ins_cost(200);
  7218   format %{ "BR$cmp   $src1, $src2, $labl #@branchConI_reg_imm" %}
  7220   ins_encode %{
  7221     Register op1 = $src1$$Register;
  7222     int      val = $src2$$constant;
  7223     Label     &L =  *($labl$$label);
  7224     int     flag = $cmp$$cmpcode;
  7226     __ move(AT, val);
  7227     switch(flag)
  7229       case 0x01: //equal
  7230 	if (&L)
  7231         	__ beq(op1, AT, L); 
  7232 	else 
  7233         	__ beq(op1, AT, (int)0); 
  7234         break;
  7235       case 0x02: //not_equal
  7236 	if (&L)
  7237         	__ bne(op1, AT, L); 
  7238 	else
  7239         	__ bne(op1, AT, (int)0); 
  7240         break;
  7241       case 0x03: //greater
  7242         __ slt(AT, AT, op1);
  7243         if(&L)
  7244         	__ bne(R0, AT, L); 
  7245         else
  7246                 __ bne(R0, AT, (int)0);
  7247         break;
  7248       case 0x04: //greater_equal
  7249         __ slt(AT, op1, AT);
  7250         if(&L)
  7251         	__ beq(AT, R0, L);
  7252         else
  7253                 __ beq(AT, R0, (int)0);
  7254         break;
  7255       case 0x05: //less
  7256         __ slt(AT, op1, AT);
  7257         if(&L)
  7258       		 __ bne(R0, AT, L); 
  7259         else
  7260         	 __ bne(R0, AT, (int)0);
  7261         break;
  7262       case 0x06: //less_equal
  7263         __ slt(AT, AT, op1);
  7264         if(&L)
  7265         	__ beq(AT, R0, L);
  7266         else
  7267         	__ beq(AT, R0, (int)0);
  7268        break;
  7269       default:
  7270           Unimplemented();
  7272     __ nop();
  7273   %}
  7275   ins_pc_relative(1);
  7276   ins_pipe( pipe_alu_branch );
  7277 %}
  7279 instruct branchConIU_reg_imm0(cmpOpU cmp, mRegI src1, immI0 zero, label labl) %{
  7280   match( If cmp (CmpU src1 zero) );
  7281   effect(USE labl);
  7282   format %{ "BR$cmp   $src1, zero, $labl #@branchConIU_reg_imm0" %}
  7284   ins_encode %{
  7285     Register op1 = $src1$$Register;
  7286     Label     &L = *($labl$$label);
  7287     int     flag = $cmp$$cmpcode;
  7289     switch(flag)
  7291       case 0x01: //equal
  7292        if (&L)
  7293                __ beq(op1, R0, L); 
  7294        else 
  7295                __ beq(op1, R0, (int)0); 
  7296         break;
  7297       case 0x02: //not_equal
  7298        if (&L)
  7299                __ bne(op1, R0, L); 
  7300        else
  7301                __ bne(op1, R0, (int)0); 
  7302         break;
  7303       case 0x03: //above
  7304         if(&L)
  7305                __ bne(R0, op1, L); 
  7306         else
  7307                 __ bne(R0, op1, (int)0);
  7308         break;
  7309       case 0x04: //above_equal
  7310         if(&L)
  7311                __ beq(R0, R0, L);
  7312         else
  7313                 __ beq(R0, R0, (int)0);
  7314         break;
  7315       case 0x05: //below
  7316         return;
  7317         break;
  7318       case 0x06: //below_equal
  7319         if(&L)
  7320                __ beq(op1, R0, L);
  7321         else
  7322                __ beq(op1, R0, (int)0);
  7323        break;
  7324       default:
  7325           Unimplemented();
  7327     __ nop();
  7328   %}
  7330   ins_pc_relative(1);
  7331   ins_pipe( pipe_alu_branch );
  7332 %}
  7335 instruct branchConIU_reg_immI16(cmpOpU cmp, mRegI src1, immI16 src2, label labl) %{
  7336   match( If cmp (CmpU src1 src2) );
  7337   effect(USE labl);
  7338   ins_cost(180);
  7339   format %{ "BR$cmp   $src1, $src2, $labl #@branchConIU_reg_immI16" %}
  7341   ins_encode %{
  7342     Register op1 = $src1$$Register;
  7343     int      val = $src2$$constant;
  7344     Label     &L = *($labl$$label);
  7345     int     flag = $cmp$$cmpcode;
  7347     switch(flag)
  7349       case 0x01: //equal
  7350         __ move(AT, val);
  7351        if (&L)
  7352                __ beq(op1, AT, L); 
  7353        else 
  7354                __ beq(op1, AT, (int)0); 
  7355         break;
  7356       case 0x02: //not_equal
  7357         __ move(AT, val);
  7358        if (&L)
  7359                __ bne(op1, AT, L); 
  7360        else
  7361                __ bne(op1, AT, (int)0); 
  7362         break;
  7363       case 0x03: //above
  7364         __ move(AT, val);
  7365         __ sltu(AT, AT, op1);
  7366         if(&L)
  7367                __ bne(R0, AT, L); 
  7368         else
  7369                 __ bne(R0, AT, (int)0);
  7370         break;
  7371       case 0x04: //above_equal
  7372         __ sltiu(AT, op1, val);
  7373         if(&L)
  7374                __ beq(AT, R0, L);
  7375         else
  7376                 __ beq(AT, R0, (int)0);
  7377         break;
  7378       case 0x05: //below
  7379         __ sltiu(AT, op1, val);
  7380         if(&L)
  7381                 __ bne(R0, AT, L); 
  7382         else
  7383                 __ bne(R0, AT, (int)0);
  7384         break;
  7385       case 0x06: //below_equal
  7386         __ move(AT, val);
  7387         __ sltu(AT, AT, op1);
  7388         if(&L)
  7389                __ beq(AT, R0, L);
  7390         else
  7391                __ beq(AT, R0, (int)0);
  7392        break;
  7393       default:
  7394           Unimplemented();
  7396     __ nop();
  7397   %}
  7399   ins_pc_relative(1);
  7400   ins_pipe( pipe_alu_branch );
  7401 %}
  7404 instruct branchConL_regL_regL(cmpOp cmp, mRegL src1, mRegL src2, label labl) %{
  7405   match( If cmp (CmpL src1 src2) );
  7406   effect(USE labl);
  7407   format %{ "BR$cmp   $src1, $src2, $labl #@branchConL_regL_regL" %}
  7408   ins_cost(250);
  7410   ins_encode %{
  7411     Register opr1_reg = as_Register($src1$$reg);
  7412     Register opr2_reg = as_Register($src2$$reg);
  7414     Label   &target = *($labl$$label);
  7415     int     flag = $cmp$$cmpcode;
  7417     switch(flag)
  7419       case 0x01: //equal
  7420         if (&target) 
  7421 			__ beq(opr1_reg, opr2_reg, target);
  7422         else
  7423 			__ beq(opr1_reg, opr2_reg, (int)0);
  7424         __ delayed()->nop();
  7425         break;
  7427       case 0x02: //not_equal
  7428         if(&target)
  7429            __ bne(opr1_reg, opr2_reg, target);
  7430         else
  7431            __ bne(opr1_reg, opr2_reg, (int)0);
  7432         __ delayed()->nop();
  7433         break;
  7435       case 0x03: //greater
  7436         __ slt(AT, opr2_reg, opr1_reg);
  7437         if(&target)
  7438            __ bne(AT, R0, target);
  7439         else
  7440            __ bne(AT, R0, (int)0);
  7441         __ delayed()->nop();
  7442         break;
  7444       case 0x04: //greater_equal
  7445         __ slt(AT, opr1_reg, opr2_reg);
  7446         if(&target)
  7447            __ beq(AT, R0, target);
  7448         else
  7449            __ beq(AT, R0, (int)0);
  7450         __ delayed()->nop();
  7452         break;
  7454       case 0x05: //less
  7455         __ slt(AT, opr1_reg, opr2_reg);
  7456         if(&target)
  7457            __ bne(AT, R0, target);
  7458         else
  7459            __ bne(AT, R0, (int)0);
  7460         __ delayed()->nop();
  7462         break;
  7464       case 0x06: //less_equal
  7465        __ slt(AT, opr2_reg, opr1_reg);
  7467        if(&target)
  7468           __ beq(AT, R0, target);
  7469        else
  7470           __ beq(AT, R0, (int)0);
  7471        __ delayed()->nop();
  7473        break;
  7475       default:
  7476           Unimplemented();
  7478   %}
  7481   ins_pc_relative(1);
  7482   ins_pipe( pipe_alu_branch );
  7483 %}
  7486 instruct branchConL_regL_immL0(cmpOp cmp, mRegL src1, immL0 zero, label labl) %{
  7487   match( If cmp (CmpL src1 zero) );
  7488   effect(USE labl);
  7489   format %{ "BR$cmp   $src1, zero, $labl #@branchConL_regL_immL0" %}
  7490   ins_cost(150);
  7492   ins_encode %{
  7493     Register opr1_reg = as_Register($src1$$reg);
  7494     Label   &target = *($labl$$label);
  7495     int     flag = $cmp$$cmpcode;
  7497     switch(flag)
  7499       case 0x01: //equal
  7500         if (&target) 
  7501            __ beq(opr1_reg, R0, target);
  7502         else
  7503            __ beq(opr1_reg, R0, int(0));
  7504         break;
  7506       case 0x02: //not_equal
  7507         if(&target)
  7508            __ bne(opr1_reg, R0, target);
  7509         else
  7510            __ bne(opr1_reg, R0, (int)0);
  7511         break;
  7513       case 0x03: //greater
  7514         if(&target)
  7515            __ bgtz(opr1_reg, target);
  7516         else
  7517            __ bgtz(opr1_reg, (int)0);
  7518        break;
  7520       case 0x04: //greater_equal
  7521         if(&target)
  7522            __ bgez(opr1_reg, target);
  7523         else
  7524            __ bgez(opr1_reg, (int)0);
  7525         break;
  7527       case 0x05: //less
  7528         __ slt(AT, opr1_reg, R0);
  7529         if(&target)
  7530            __ bne(AT, R0, target);
  7531         else
  7532            __ bne(AT, R0, (int)0);
  7533         break;
  7535       case 0x06: //less_equal
  7536         if (&target) 
  7537            __ blez(opr1_reg, target);
  7538         else
  7539            __ blez(opr1_reg, int(0));
  7540         break;
  7542       default:
  7543           Unimplemented();
  7545 	__ delayed()->nop();
  7546   %}
  7549   ins_pc_relative(1);
  7550   ins_pipe( pipe_alu_branch );
  7551 %}
  7553 instruct branchConL_regL_immL(cmpOp cmp, mRegL src1, immL src2, label labl) %{
  7554   match( If cmp (CmpL src1 src2) );
  7555   effect(USE labl);
  7556   format %{ "BR$cmp   $src1, $src2, $labl #@branchConL_regL_immL" %}
  7557   ins_cost(180);
  7559   ins_encode %{
  7560     Register opr1_reg = as_Register($src1$$reg);
  7561     Register opr2_reg = AT;
  7563     Label   &target = *($labl$$label);
  7564     int     flag = $cmp$$cmpcode;
  7566     __ set64(opr2_reg, $src2$$constant);
  7568     switch(flag)
  7570       case 0x01: //equal
  7571         if (&target) 
  7572 	   __ beq(opr1_reg, opr2_reg, target);
  7573         else
  7574 	   __ beq(opr1_reg, opr2_reg, (int)0);
  7575         break;
  7577       case 0x02: //not_equal
  7578         if(&target)
  7579            __ bne(opr1_reg, opr2_reg, target);
  7580         else
  7581            __ bne(opr1_reg, opr2_reg, (int)0);
  7582         break;
  7584       case 0x03: //greater
  7585         __ slt(AT, opr2_reg, opr1_reg);
  7586         if(&target)
  7587            __ bne(AT, R0, target);
  7588         else
  7589            __ bne(AT, R0, (int)0);
  7590         break;
  7592       case 0x04: //greater_equal
  7593         __ slt(AT, opr1_reg, opr2_reg);
  7594         if(&target)
  7595            __ beq(AT, R0, target);
  7596         else
  7597            __ beq(AT, R0, (int)0);
  7598         break;
  7600       case 0x05: //less
  7601         __ slt(AT, opr1_reg, opr2_reg);
  7602         if(&target)
  7603            __ bne(AT, R0, target);
  7604         else
  7605            __ bne(AT, R0, (int)0);
  7606         break;
  7608       case 0x06: //less_equal
  7609        __ slt(AT, opr2_reg, opr1_reg);
  7610        if(&target)
  7611           __ beq(AT, R0, target);
  7612        else
  7613           __ beq(AT, R0, (int)0);
  7614        break;
  7616       default:
  7617           Unimplemented();
  7619     __ nop();
  7620   %}
  7623   ins_pc_relative(1);
  7624   ins_pipe( pipe_alu_branch );
  7625 %}
  7628 //FIXME
  7629 instruct branchConF_reg_reg(cmpOp cmp, regF src1, regF src2, label labl) %{
  7630   match( If cmp (CmpF src1 src2) );
  7631   effect(USE labl);
  7632   format %{ "BR$cmp   $src1, $src2, $labl #@branchConF_reg_reg" %}
  7634   ins_encode %{
  7635     FloatRegister reg_op1 = $src1$$FloatRegister;
  7636     FloatRegister reg_op2 = $src2$$FloatRegister;
  7637     Label     &L =  *($labl$$label);
  7638     int     flag = $cmp$$cmpcode;
  7640     switch(flag)
  7642       case 0x01: //equal
  7643         __ c_eq_s(reg_op1, reg_op2);
  7644 	if (&L)
  7645                 __ bc1t(L);
  7646 	else 
  7647                 __ bc1t((int)0);
  7648         break;
  7649       case 0x02: //not_equal
  7650         __ c_eq_s(reg_op1, reg_op2);
  7651 	if (&L)
  7652                 __ bc1f(L);
  7653 	else
  7654                 __ bc1f((int)0);
  7655         break;
  7656       case 0x03: //greater
  7657         __ c_ule_s(reg_op1, reg_op2);
  7658         if(&L)
  7659                 __ bc1f(L);
  7660         else
  7661                 __ bc1f((int)0);
  7662         break;
  7663       case 0x04: //greater_equal
  7664         __ c_ult_s(reg_op1, reg_op2);
  7665         if(&L)
  7666                 __ bc1f(L);
  7667         else
  7668                 __ bc1f((int)0);
  7669         break;
  7670       case 0x05: //less
  7671         __ c_ult_s(reg_op1, reg_op2);
  7672         if(&L)
  7673                 __ bc1t(L);
  7674         else
  7675                 __ bc1t((int)0);
  7676         break;
  7677       case 0x06: //less_equal
  7678         __ c_ule_s(reg_op1, reg_op2);
  7679         if(&L)
  7680                 __ bc1t(L);
  7681         else
  7682                 __ bc1t((int)0);
  7683        break;
  7684       default:
  7685           Unimplemented();
  7687     __ nop();
  7688   %}
  7690   ins_pc_relative(1);
  7691   ins_pipe(pipe_slow);
  7692 %}
  7694 instruct branchConD_reg_reg(cmpOp cmp, regD src1, regD src2, label labl) %{
  7695   match( If cmp (CmpD src1 src2) );
  7696   effect(USE labl);
  7697   format %{ "BR$cmp   $src1, $src2, $labl #@branchConD_reg_reg" %}
  7699   ins_encode %{
  7700     FloatRegister reg_op1 = $src1$$FloatRegister;
  7701     FloatRegister reg_op2 = $src2$$FloatRegister;
  7702     Label     &L =  *($labl$$label);
  7703     int     flag = $cmp$$cmpcode;
  7705     switch(flag)
  7707       case 0x01: //equal
  7708         __ c_eq_d(reg_op1, reg_op2);
  7709 	if (&L)
  7710                 __ bc1t(L);
  7711 	else 
  7712                 __ bc1t((int)0);
  7713         break;
  7714       case 0x02: //not_equal
  7715 //2016/4/19 aoqi: c_ueq_d cannot distinguish NaN from equal. Double.isNaN(Double) is implemented by 'f != f', so the use of c_ueq_d causes bugs.
  7716         __ c_eq_d(reg_op1, reg_op2);
  7717 	if (&L)
  7718                 __ bc1f(L);
  7719 	else
  7720                 __ bc1f((int)0);
  7721         break;
  7722       case 0x03: //greater
  7723         __ c_ule_d(reg_op1, reg_op2);
  7724         if(&L)
  7725                 __ bc1f(L);
  7726         else
  7727                 __ bc1f((int)0);
  7728         break;
  7729       case 0x04: //greater_equal
  7730         __ c_ult_d(reg_op1, reg_op2);
  7731         if(&L)
  7732                 __ bc1f(L);
  7733         else
  7734                 __ bc1f((int)0);
  7735         break;
  7736       case 0x05: //less
  7737         __ c_ult_d(reg_op1, reg_op2);
  7738         if(&L)
  7739                 __ bc1t(L);
  7740         else
  7741                 __ bc1t((int)0);
  7742         break;
  7743       case 0x06: //less_equal
  7744         __ c_ule_d(reg_op1, reg_op2);
  7745         if(&L)
  7746                 __ bc1t(L);
  7747         else
  7748                 __ bc1t((int)0);
  7749        break;
  7750       default:
  7751           Unimplemented();
  7753     __ nop();
  7754   %}
  7756   ins_pc_relative(1);
  7757   ins_pipe(pipe_slow);
  7758 %}
  7761 // Call Runtime Instruction
  7762 instruct CallRuntimeDirect(method meth) %{
  7763   match(CallRuntime );
  7764   effect(USE meth);
  7766   ins_cost(300);
  7767   format %{ "CALL,runtime #@CallRuntimeDirect" %}
  7768   ins_encode( Java_To_Runtime( meth ) );
  7769   ins_pipe( pipe_slow );
  7770   ins_alignment(16);
  7771 %}
  7775 //------------------------MemBar Instructions-------------------------------
  7776 //Memory barrier flavors
  7778 instruct membar_acquire() %{
  7779   match(MemBarAcquire);
  7780   ins_cost(0);
  7782   size(0);
  7783   format %{ "MEMBAR-acquire (empty) @ membar_acquire" %}
  7784   ins_encode();
  7785   ins_pipe(empty);
  7786 %}
  7788 instruct load_fence() %{
  7789   match(LoadFence);
  7790   ins_cost(400);
  7792   format %{ "MEMBAR @ load_fence" %}
  7793   ins_encode %{
  7794     __ sync(); 
  7795   %}
  7796   ins_pipe(pipe_slow);
  7797 %}
  7799 instruct membar_acquire_lock()
  7800 %{
  7801   match(MemBarAcquireLock);
  7802   ins_cost(0);
  7804   size(0);
  7805   format %{ "MEMBAR-acquire (acquire as part of CAS in prior FastLock so empty encoding) @ membar_acquire_lock" %}
  7806   ins_encode();
  7807   ins_pipe(empty);
  7808 %}
  7810 instruct membar_release() %{
  7811   match(MemBarRelease);
  7812   ins_cost(400);
  7814   format %{ "MEMBAR-release @ membar_release" %}
  7816   ins_encode %{
  7817     // Attention: DO NOT DELETE THIS GUY!
  7818     __ sync();
  7819   %}
  7821   ins_pipe(pipe_slow);
  7822 %}
  7824 instruct store_fence() %{
  7825   match(StoreFence);
  7826   ins_cost(400);
  7828   format %{ "MEMBAR @ store_fence" %}
  7830   ins_encode %{
  7831     __ sync(); 
  7832   %}
  7834   ins_pipe(pipe_slow);
  7835 %}
  7837 instruct membar_release_lock()
  7838 %{
  7839   match(MemBarReleaseLock);
  7840   ins_cost(0);
  7842   size(0);
  7843   format %{ "MEMBAR-release-lock (release in FastUnlock so empty) @ membar_release_lock" %}
  7844   ins_encode();
  7845   ins_pipe(empty);
  7846 %}
  7849 instruct membar_volatile() %{
  7850   match(MemBarVolatile);
  7851   ins_cost(400);
  7853   format %{ "MEMBAR-volatile" %}
  7854   ins_encode %{
  7855     if( !os::is_MP() ) return;     // Not needed on single CPU
  7856     __ sync();
  7858   %}
  7859   ins_pipe(pipe_slow);
  7860 %}
  7862 instruct unnecessary_membar_volatile() %{
  7863   match(MemBarVolatile);
  7864   predicate(Matcher::post_store_load_barrier(n));
  7865   ins_cost(0);
  7867   size(0);
  7868   format %{ "MEMBAR-volatile (unnecessary so empty encoding) @ unnecessary_membar_volatile" %}
  7869   ins_encode( );
  7870   ins_pipe(empty);
  7871 %}
  7873 instruct membar_storestore() %{
  7874   match(MemBarStoreStore);
  7876   ins_cost(0);
  7877   size(0);
  7878   format %{ "MEMBAR-storestore (empty encoding) @ membar_storestore" %}
  7879   ins_encode( );
  7880   ins_pipe(empty);
  7881 %}
  7883 //----------Move Instructions--------------------------------------------------
  7884 instruct castX2P(mRegP dst, mRegL src) %{
  7885   match(Set dst (CastX2P src));
  7886   format %{ "castX2P  $dst, $src @ castX2P" %}
  7887   ins_encode %{
  7888     Register src = $src$$Register;
  7889     Register dst = $dst$$Register;
  7891 	if(src != dst)
  7892 		__ move(dst, src);
  7893   %}
  7894   ins_cost(10);
  7895   ins_pipe( ialu_regI_mov );
  7896 %}
  7898 instruct castP2X(mRegL dst, mRegP src ) %{
  7899   match(Set dst (CastP2X src));
  7901   format %{ "mov    $dst, $src\t  #@castP2X" %}
  7902   ins_encode %{
  7903     Register src = $src$$Register;
  7904     Register dst = $dst$$Register;
  7906 	if(src != dst)
  7907 		__ move(dst, src);    
  7908   %}
  7909   ins_pipe( ialu_regI_mov );
  7910 %}
  7912 instruct MoveF2I_reg_reg(mRegI dst, regF src) %{
  7913   match(Set dst (MoveF2I src));
  7914   effect(DEF dst, USE src);
  7915   ins_cost(85);
  7916   format %{ "MoveF2I   $dst, $src @ MoveF2I_reg_reg" %}
  7917   ins_encode %{
  7918     Register dst = as_Register($dst$$reg);
  7919     FloatRegister src = as_FloatRegister($src$$reg);
  7921     __ mfc1(dst, src);
  7922   %}
  7923   ins_pipe( pipe_slow );
  7924 %}
  7926 instruct MoveI2F_reg_reg(regF dst, mRegI src) %{
  7927   match(Set dst (MoveI2F src));
  7928   effect(DEF dst, USE src);
  7929   ins_cost(85);
  7930   format %{ "MoveI2F   $dst, $src @ MoveI2F_reg_reg" %}
  7931   ins_encode %{
  7932     Register src = as_Register($src$$reg);
  7933     FloatRegister dst = as_FloatRegister($dst$$reg);
  7935     __ mtc1(src, dst);
  7936   %}
  7937   ins_pipe( pipe_slow );
  7938 %}
  7940 instruct MoveD2L_reg_reg(mRegL dst, regD src) %{
  7941   match(Set dst (MoveD2L src));
  7942   effect(DEF dst, USE src);
  7943   ins_cost(85);
  7944   format %{ "MoveD2L   $dst, $src @ MoveD2L_reg_reg" %}
  7945   ins_encode %{
  7946     Register dst = as_Register($dst$$reg);
  7947     FloatRegister src = as_FloatRegister($src$$reg);
  7949     __ dmfc1(dst, src);
  7950   %}
  7951   ins_pipe( pipe_slow );
  7952 %}
  7954 instruct MoveL2D_reg_reg(regD dst, mRegL src) %{
  7955   match(Set dst (MoveL2D src));
  7956   effect(DEF dst, USE src);
  7957   ins_cost(85);
  7958   format %{ "MoveL2D   $dst, $src @ MoveL2D_reg_reg" %}
  7959   ins_encode %{
  7960     FloatRegister dst = as_FloatRegister($dst$$reg);
  7961     Register src = as_Register($src$$reg);
  7963     __ dmtc1(src, dst);
  7964   %}
  7965   ins_pipe( pipe_slow );
  7966 %}
  7968 //----------Conditional Move---------------------------------------------------
  7969 // Conditional move
  7970 instruct cmovI_cmpI_reg_reg(mRegI dst, mRegI src, mRegI tmp1, mRegI tmp2, cmpOp cop ) %{
  7971   match(Set dst (CMoveI (Binary cop (CmpI tmp1 tmp2)) (Binary dst src)));
  7972   ins_cost(80);
  7973   format %{
  7974              "CMP$cop  $tmp1, $tmp2\t  @cmovI_cmpI_reg_reg\n"
  7975              "\tCMOV  $dst,$src \t @cmovI_cmpI_reg_reg"
  7976          %}
  7978   ins_encode %{
  7979     Register op1 = $tmp1$$Register;
  7980     Register op2 = $tmp2$$Register;
  7981     Register dst = $dst$$Register;
  7982     Register src = $src$$Register;
  7983     int     flag = $cop$$cmpcode;
  7985     switch(flag)
  7987       case 0x01: //equal
  7988         __ subu32(AT, op1, op2);
  7989         __ movz(dst, src, AT);
  7990         break;
  7992       case 0x02: //not_equal
  7993         __ subu32(AT, op1, op2);
  7994         __ movn(dst, src, AT);
  7995         break;
  7997       case 0x03: //great
  7998         __ slt(AT, op2, op1);
  7999         __ movn(dst, src, AT);
  8000         break;
  8002       case 0x04: //great_equal
  8003         __ slt(AT, op1, op2);
  8004         __ movz(dst, src, AT);
  8005         break;
  8007       case 0x05: //less
  8008         __ slt(AT, op1, op2);
  8009         __ movn(dst, src, AT);
  8010         break;
  8012       case 0x06: //less_equal
  8013         __ slt(AT, op2, op1);
  8014         __ movz(dst, src, AT);
  8015        break;
  8017       default:
  8018           Unimplemented();
  8020   %}
  8022   ins_pipe( pipe_slow );
  8023 %}
  8025 instruct cmovI_cmpP_reg_reg(mRegI dst, mRegI src, mRegP tmp1, mRegP tmp2, cmpOpU cop ) %{
  8026   match(Set dst (CMoveI (Binary cop (CmpP tmp1 tmp2)) (Binary dst src)));
  8027   ins_cost(80);
  8028   format %{
  8029              "CMPU$cop $tmp1,$tmp2\t @cmovI_cmpP_reg_reg\n\t"
  8030              "CMOV $dst,$src\t @cmovI_cmpP_reg_reg"
  8031          %}
  8032   ins_encode %{
  8033     Register op1 = $tmp1$$Register;
  8034     Register op2 = $tmp2$$Register;
  8035     Register dst = $dst$$Register;
  8036     Register src = $src$$Register;
  8037     int     flag = $cop$$cmpcode;
  8039     switch(flag)
  8041       case 0x01: //equal
  8042         __ subu(AT, op1, op2);
  8043         __ movz(dst, src, AT);
  8044         break;
  8046       case 0x02: //not_equal
  8047         __ subu(AT, op1, op2);
  8048         __ movn(dst, src, AT);
  8049         break;
  8051       case 0x03: //above
  8052         __ sltu(AT, op2, op1);
  8053         __ movn(dst, src, AT);
  8054         break;
  8056       case 0x04: //above_equal
  8057         __ sltu(AT, op1, op2);
  8058         __ movz(dst, src, AT);
  8059         break;
  8061       case 0x05: //below
  8062         __ sltu(AT, op1, op2);
  8063         __ movn(dst, src, AT);
  8064         break;
  8066       case 0x06: //below_equal
  8067         __ sltu(AT, op2, op1);
  8068         __ movz(dst, src, AT);
  8069        break;
  8071       default:
  8072           Unimplemented();
  8074   %}
  8076   ins_pipe( pipe_slow );
  8077 %}
  8079 instruct cmovI_cmpN_reg_reg(mRegI dst, mRegI src, mRegN tmp1, mRegN tmp2, cmpOpU cop ) %{
  8080   match(Set dst (CMoveI (Binary cop (CmpN tmp1 tmp2)) (Binary dst src)));
  8081   ins_cost(80);
  8082   format %{
  8083              "CMPU$cop $tmp1,$tmp2\t @cmovI_cmpN_reg_reg\n\t"
  8084              "CMOV $dst,$src\t @cmovI_cmpN_reg_reg"
  8085          %}
  8086   ins_encode %{
  8087     Register op1 = $tmp1$$Register;
  8088     Register op2 = $tmp2$$Register;
  8089     Register dst = $dst$$Register;
  8090     Register src = $src$$Register;
  8091     int     flag = $cop$$cmpcode;
  8093     switch(flag)
  8095       case 0x01: //equal
  8096         __ subu32(AT, op1, op2);
  8097         __ movz(dst, src, AT);
  8098         break;
  8100       case 0x02: //not_equal
  8101         __ subu32(AT, op1, op2);
  8102         __ movn(dst, src, AT);
  8103         break;
  8105       case 0x03: //above
  8106         __ sltu(AT, op2, op1);
  8107         __ movn(dst, src, AT);
  8108         break;
  8110       case 0x04: //above_equal
  8111         __ sltu(AT, op1, op2);
  8112         __ movz(dst, src, AT);
  8113         break;
  8115       case 0x05: //below
  8116         __ sltu(AT, op1, op2);
  8117         __ movn(dst, src, AT);
  8118         break;
  8120       case 0x06: //below_equal
  8121         __ sltu(AT, op2, op1);
  8122         __ movz(dst, src, AT);
  8123        break;
  8125       default:
  8126           Unimplemented();
  8128   %}
  8130   ins_pipe( pipe_slow );
  8131 %}
  8133 instruct cmovP_cmpN_reg_reg(mRegP dst, mRegP src, mRegN tmp1, mRegN tmp2, cmpOpU cop ) %{
  8134   match(Set dst (CMoveP (Binary cop (CmpN tmp1 tmp2)) (Binary dst src)));
  8135   ins_cost(80);
  8136   format %{
  8137              "CMPU$cop $tmp1,$tmp2\t @cmovP_cmpN_reg_reg\n\t"
  8138              "CMOV $dst,$src\t @cmovP_cmpN_reg_reg"
  8139          %}
  8140   ins_encode %{
  8141     Register op1 = $tmp1$$Register;
  8142     Register op2 = $tmp2$$Register;
  8143     Register dst = $dst$$Register;
  8144     Register src = $src$$Register;
  8145     int     flag = $cop$$cmpcode;
  8147     switch(flag)
  8149       case 0x01: //equal
  8150         __ subu32(AT, op1, op2);
  8151         __ movz(dst, src, AT);
  8152         break;
  8154       case 0x02: //not_equal
  8155         __ subu32(AT, op1, op2);
  8156         __ movn(dst, src, AT);
  8157         break;
  8159       case 0x03: //above
  8160         __ sltu(AT, op2, op1);
  8161         __ movn(dst, src, AT);
  8162         break;
  8164       case 0x04: //above_equal
  8165         __ sltu(AT, op1, op2);
  8166         __ movz(dst, src, AT);
  8167         break;
  8169       case 0x05: //below
  8170         __ sltu(AT, op1, op2);
  8171         __ movn(dst, src, AT);
  8172         break;
  8174       case 0x06: //below_equal
  8175         __ sltu(AT, op2, op1);
  8176         __ movz(dst, src, AT);
  8177        break;
  8179       default:
  8180           Unimplemented();
  8182   %}
  8184   ins_pipe( pipe_slow );
  8185 %}
  8187 instruct cmovN_cmpP_reg_reg(mRegN dst, mRegN src, mRegP tmp1, mRegP tmp2, cmpOpU cop ) %{
  8188   match(Set dst (CMoveN (Binary cop (CmpP tmp1 tmp2)) (Binary dst src)));
  8189   ins_cost(80);
  8190   format %{
  8191              "CMPU$cop $tmp1,$tmp2\t @cmovN_cmpP_reg_reg\n\t"
  8192              "CMOV $dst,$src\t @cmovN_cmpP_reg_reg"
  8193          %}
  8194   ins_encode %{
  8195     Register op1 = $tmp1$$Register;
  8196     Register op2 = $tmp2$$Register;
  8197     Register dst = $dst$$Register;
  8198     Register src = $src$$Register;
  8199     int     flag = $cop$$cmpcode;
  8201     switch(flag)
  8203       case 0x01: //equal
  8204         __ subu(AT, op1, op2);
  8205         __ movz(dst, src, AT);
  8206         break;
  8208       case 0x02: //not_equal
  8209         __ subu(AT, op1, op2);
  8210         __ movn(dst, src, AT);
  8211         break;
  8213       case 0x03: //above
  8214         __ sltu(AT, op2, op1);
  8215         __ movn(dst, src, AT);
  8216         break;
  8218       case 0x04: //above_equal
  8219         __ sltu(AT, op1, op2);
  8220         __ movz(dst, src, AT);
  8221         break;
  8223       case 0x05: //below
  8224         __ sltu(AT, op1, op2);
  8225         __ movn(dst, src, AT);
  8226         break;
  8228       case 0x06: //below_equal
  8229         __ sltu(AT, op2, op1);
  8230         __ movz(dst, src, AT);
  8231        break;
  8233       default:
  8234           Unimplemented();
  8236   %}
  8238   ins_pipe( pipe_slow );
  8239 %}
  8241 instruct cmovP_cmpD_reg_reg(mRegP dst, mRegP src, regD tmp1, regD tmp2, cmpOp cop ) %{
  8242   match(Set dst (CMoveP (Binary cop (CmpD tmp1 tmp2)) (Binary dst src)));
  8243   ins_cost(80);
  8244   format %{
  8245              "CMP$cop  $tmp1, $tmp2\t  @cmovP_cmpD_reg_reg\n"
  8246              "\tCMOV  $dst,$src \t @cmovP_cmpD_reg_reg"
  8247          %}
  8248   ins_encode %{
  8249     FloatRegister reg_op1 = as_FloatRegister($tmp1$$reg);
  8250     FloatRegister reg_op2 = as_FloatRegister($tmp2$$reg);
  8251     Register dst = as_Register($dst$$reg);
  8252     Register src = as_Register($src$$reg);
  8254     int     flag = $cop$$cmpcode;
  8256     switch(flag)
  8258       case 0x01: //equal
  8259         __ c_eq_d(reg_op1, reg_op2);
  8260         __ movt(dst, src);
  8261         break;
  8262       case 0x02: //not_equal
  8263         __ c_eq_d(reg_op1, reg_op2);
  8264         __ movf(dst, src);
  8265         break;
  8266       case 0x03: //greater
  8267         __ c_ole_d(reg_op1, reg_op2);
  8268         __ movf(dst, src);
  8269         break;
  8270       case 0x04: //greater_equal
  8271         __ c_olt_d(reg_op1, reg_op2);
  8272         __ movf(dst, src);
  8273         break;
  8274       case 0x05: //less
  8275         __ c_ult_d(reg_op1, reg_op2);
  8276         __ movt(dst, src);
  8277         break;
  8278       case 0x06: //less_equal
  8279         __ c_ule_d(reg_op1, reg_op2);
  8280         __ movt(dst, src);
  8281         break;
  8282       default:
  8283           Unimplemented();
  8285   %}
  8287   ins_pipe( pipe_slow );
  8288 %}
  8291 instruct cmovN_cmpN_reg_reg(mRegN dst, mRegN src, mRegN tmp1, mRegN tmp2, cmpOpU cop ) %{
  8292   match(Set dst (CMoveN (Binary cop (CmpN tmp1 tmp2)) (Binary dst src)));
  8293   ins_cost(80);
  8294   format %{
  8295              "CMPU$cop $tmp1,$tmp2\t @cmovN_cmpN_reg_reg\n\t"
  8296              "CMOV $dst,$src\t @cmovN_cmpN_reg_reg"
  8297          %}
  8298   ins_encode %{
  8299     Register op1 = $tmp1$$Register;
  8300     Register op2 = $tmp2$$Register;
  8301     Register dst = $dst$$Register;
  8302     Register src = $src$$Register;
  8303     int     flag = $cop$$cmpcode;
  8305     switch(flag)
  8307       case 0x01: //equal
  8308         __ subu32(AT, op1, op2);
  8309         __ movz(dst, src, AT);
  8310         break;
  8312       case 0x02: //not_equal
  8313         __ subu32(AT, op1, op2);
  8314         __ movn(dst, src, AT);
  8315         break;
  8317       case 0x03: //above
  8318         __ sltu(AT, op2, op1);
  8319         __ movn(dst, src, AT);
  8320         break;
  8322       case 0x04: //above_equal
  8323         __ sltu(AT, op1, op2);
  8324         __ movz(dst, src, AT);
  8325         break;
  8327       case 0x05: //below
  8328         __ sltu(AT, op1, op2);
  8329         __ movn(dst, src, AT);
  8330         break;
  8332       case 0x06: //below_equal
  8333         __ sltu(AT, op2, op1);
  8334         __ movz(dst, src, AT);
  8335        break;
  8337       default:
  8338           Unimplemented();
  8340   %}
  8342   ins_pipe( pipe_slow );
  8343 %}
  8346 instruct cmovI_cmpU_reg_reg(mRegI dst, mRegI src, mRegI tmp1, mRegI tmp2, cmpOpU cop ) %{
  8347   match(Set dst (CMoveI (Binary cop (CmpU tmp1 tmp2)) (Binary dst src)));
  8348   ins_cost(80);
  8349   format %{
  8350              "CMPU$cop $tmp1,$tmp2\t @cmovI_cmpU_reg_reg\n\t"
  8351              "CMOV $dst,$src\t @cmovI_cmpU_reg_reg"
  8352          %}
  8353   ins_encode %{
  8354     Register op1 = $tmp1$$Register;
  8355     Register op2 = $tmp2$$Register;
  8356     Register dst = $dst$$Register;
  8357     Register src = $src$$Register;
  8358     int     flag = $cop$$cmpcode;
  8360     switch(flag)
  8362       case 0x01: //equal
  8363         __ subu(AT, op1, op2);
  8364         __ movz(dst, src, AT);
  8365         break;
  8367       case 0x02: //not_equal
  8368         __ subu(AT, op1, op2);
  8369         __ movn(dst, src, AT);
  8370         break;
  8372       case 0x03: //above
  8373         __ sltu(AT, op2, op1);
  8374         __ movn(dst, src, AT);
  8375         break;
  8377       case 0x04: //above_equal
  8378         __ sltu(AT, op1, op2);
  8379         __ movz(dst, src, AT);
  8380         break;
  8382       case 0x05: //below
  8383         __ sltu(AT, op1, op2);
  8384         __ movn(dst, src, AT);
  8385         break;
  8387       case 0x06: //below_equal
  8388         __ sltu(AT, op2, op1);
  8389         __ movz(dst, src, AT);
  8390        break;
  8392       default:
  8393           Unimplemented();
  8395   %}
  8397   ins_pipe( pipe_slow );
  8398 %}
  8400 instruct cmovI_cmpL_reg_reg(mRegI dst, mRegI src, mRegL tmp1, mRegL tmp2, cmpOp cop ) %{
  8401   match(Set dst (CMoveI (Binary cop (CmpL tmp1 tmp2)) (Binary dst src)));
  8402   ins_cost(80);
  8403   format %{
  8404              "CMP$cop  $tmp1, $tmp2\t  @cmovI_cmpL_reg_reg\n"
  8405              "\tCMOV  $dst,$src \t @cmovI_cmpL_reg_reg"
  8406          %}
  8407   ins_encode %{
  8408     Register opr1 = as_Register($tmp1$$reg);
  8409     Register opr2 = as_Register($tmp2$$reg);
  8410     Register dst     = $dst$$Register;
  8411     Register src     = $src$$Register;
  8412     int     flag = $cop$$cmpcode;
  8414     switch(flag)
  8416       case 0x01: //equal
  8417         __ subu(AT, opr1, opr2);
  8418         __ movz(dst, src, AT);
  8419         break;
  8421       case 0x02: //not_equal
  8422         __ subu(AT, opr1, opr2);
  8423         __ movn(dst, src, AT);
  8424         break;
  8426       case 0x03: //greater
  8427 	__ slt(AT, opr2, opr1);
  8428         __ movn(dst, src, AT);
  8429         break;
  8431       case 0x04: //greater_equal
  8432         __ slt(AT, opr1, opr2);
  8433         __ movz(dst, src, AT);
  8434         break;
  8436       case 0x05: //less
  8437         __ slt(AT, opr1, opr2);
  8438         __ movn(dst, src, AT);
  8439         break;
  8441       case 0x06: //less_equal
  8442         __ slt(AT, opr2, opr1);
  8443         __ movz(dst, src, AT);
  8444         break;
  8446       default:
  8447           Unimplemented();
  8449   %}
  8451   ins_pipe( pipe_slow );
  8452 %}
  8454 instruct cmovP_cmpL_reg_reg(mRegP dst, mRegP src, mRegL tmp1, mRegL tmp2, cmpOp cop ) %{
  8455   match(Set dst (CMoveP (Binary cop (CmpL tmp1 tmp2)) (Binary dst src)));
  8456   ins_cost(80);
  8457   format %{
  8458              "CMP$cop  $tmp1, $tmp2\t  @cmovP_cmpL_reg_reg\n"
  8459              "\tCMOV  $dst,$src \t @cmovP_cmpL_reg_reg"
  8460          %}
  8461   ins_encode %{
  8462     Register opr1 = as_Register($tmp1$$reg);
  8463     Register opr2 = as_Register($tmp2$$reg);
  8464     Register dst     = $dst$$Register;
  8465     Register src     = $src$$Register;
  8466     int     flag = $cop$$cmpcode;
  8468     switch(flag)
  8470       case 0x01: //equal
  8471         __ subu(AT, opr1, opr2);
  8472         __ movz(dst, src, AT);
  8473         break;
  8475       case 0x02: //not_equal
  8476         __ subu(AT, opr1, opr2);
  8477         __ movn(dst, src, AT);
  8478         break;
  8480       case 0x03: //greater
  8481         __ slt(AT, opr2, opr1);
  8482         __ movn(dst, src, AT);
  8483         break;
  8485       case 0x04: //greater_equal
  8486         __ slt(AT, opr1, opr2);
  8487         __ movz(dst, src, AT);
  8488         break;
  8490       case 0x05: //less
  8491         __ slt(AT, opr1, opr2);
  8492         __ movn(dst, src, AT);
  8493         break;
  8495       case 0x06: //less_equal
  8496         __ slt(AT, opr2, opr1);
  8497         __ movz(dst, src, AT);
  8498         break;
  8500       default:
  8501           Unimplemented();
  8503   %}
  8505   ins_pipe( pipe_slow );
  8506 %}
  8508 instruct cmovI_cmpD_reg_reg(mRegI dst, mRegI src, regD tmp1, regD tmp2, cmpOp cop ) %{
  8509   match(Set dst (CMoveI (Binary cop (CmpD tmp1 tmp2)) (Binary dst src)));
  8510   ins_cost(80);
  8511   format %{
  8512              "CMP$cop  $tmp1, $tmp2\t  @cmovI_cmpD_reg_reg\n"
  8513              "\tCMOV  $dst,$src \t @cmovI_cmpD_reg_reg"
  8514          %}
  8515   ins_encode %{
  8516     FloatRegister reg_op1 = as_FloatRegister($tmp1$$reg);
  8517     FloatRegister reg_op2 = as_FloatRegister($tmp2$$reg);
  8518     Register dst = as_Register($dst$$reg);
  8519     Register src = as_Register($src$$reg);
  8521     int     flag = $cop$$cmpcode;
  8523     switch(flag)
  8525       case 0x01: //equal
  8526         __ c_eq_d(reg_op1, reg_op2);
  8527         __ movt(dst, src);
  8528         break;
  8529       case 0x02: //not_equal
  8530 //2016/4/19 aoqi: See instruct branchConD_reg_reg. The change in branchConD_reg_reg fixed a bug. It seems similar here, so I made thesame change.
  8531         __ c_eq_d(reg_op1, reg_op2);
  8532         __ movf(dst, src);
  8533         break;
  8534       case 0x03: //greater
  8535         __ c_ole_d(reg_op1, reg_op2);
  8536         __ movf(dst, src);
  8537         break;
  8538       case 0x04: //greater_equal
  8539         __ c_olt_d(reg_op1, reg_op2);
  8540         __ movf(dst, src);
  8541         break;
  8542       case 0x05: //less
  8543         __ c_ult_d(reg_op1, reg_op2);
  8544         __ movt(dst, src);
  8545         break;
  8546       case 0x06: //less_equal
  8547         __ c_ule_d(reg_op1, reg_op2);
  8548         __ movt(dst, src);
  8549         break;
  8550       default:
  8551           Unimplemented();
  8553   %}
  8555   ins_pipe( pipe_slow );
  8556 %}
  8559 instruct cmovP_cmpP_reg_reg(mRegP dst, mRegP src, mRegP tmp1, mRegP tmp2, cmpOpU cop ) %{
  8560   match(Set dst (CMoveP (Binary cop (CmpP tmp1 tmp2)) (Binary dst src)));
  8561   ins_cost(80);
  8562   format %{
  8563              "CMPU$cop $tmp1,$tmp2\t @cmovP_cmpP_reg_reg\n\t"
  8564              "CMOV $dst,$src\t @cmovP_cmpP_reg_reg"
  8565          %}
  8566   ins_encode %{
  8567     Register op1 = $tmp1$$Register;
  8568     Register op2 = $tmp2$$Register;
  8569     Register dst = $dst$$Register;
  8570     Register src = $src$$Register;
  8571     int     flag = $cop$$cmpcode;
  8573     switch(flag)
  8575       case 0x01: //equal
  8576         __ subu(AT, op1, op2);
  8577         __ movz(dst, src, AT);
  8578         break;
  8580       case 0x02: //not_equal
  8581         __ subu(AT, op1, op2);
  8582         __ movn(dst, src, AT);
  8583         break;
  8585       case 0x03: //above
  8586         __ sltu(AT, op2, op1);
  8587         __ movn(dst, src, AT);
  8588         break;
  8590       case 0x04: //above_equal
  8591         __ sltu(AT, op1, op2);
  8592         __ movz(dst, src, AT);
  8593         break;
  8595       case 0x05: //below
  8596         __ sltu(AT, op1, op2);
  8597         __ movn(dst, src, AT);
  8598         break;
  8600       case 0x06: //below_equal
  8601         __ sltu(AT, op2, op1);
  8602         __ movz(dst, src, AT);
  8603        break;
  8605       default:
  8606           Unimplemented();
  8608   %}
  8610   ins_pipe( pipe_slow );
  8611 %}
  8613 instruct cmovP_cmpI_reg_reg(mRegP dst, mRegP src, mRegI tmp1, mRegI tmp2, cmpOp cop ) %{
  8614   match(Set dst (CMoveP (Binary cop (CmpI tmp1 tmp2)) (Binary dst src)));
  8615   ins_cost(80);
  8616   format %{
  8617              "CMP$cop $tmp1,$tmp2\t @cmovP_cmpI_reg_reg\n\t"
  8618              "CMOV $dst,$src\t @cmovP_cmpI_reg_reg"
  8619          %}
  8620   ins_encode %{
  8621     Register op1 = $tmp1$$Register;
  8622     Register op2 = $tmp2$$Register;
  8623     Register dst = $dst$$Register;
  8624     Register src = $src$$Register;
  8625     int     flag = $cop$$cmpcode;
  8627     switch(flag)
  8629       case 0x01: //equal
  8630         __ subu32(AT, op1, op2);
  8631         __ movz(dst, src, AT);
  8632         break;
  8634       case 0x02: //not_equal
  8635         __ subu32(AT, op1, op2);
  8636         __ movn(dst, src, AT);
  8637         break;
  8639       case 0x03: //above
  8640         __ slt(AT, op2, op1);
  8641         __ movn(dst, src, AT);
  8642         break;
  8644       case 0x04: //above_equal
  8645         __ slt(AT, op1, op2);
  8646         __ movz(dst, src, AT);
  8647         break;
  8649       case 0x05: //below
  8650         __ slt(AT, op1, op2);
  8651         __ movn(dst, src, AT);
  8652         break;
  8654       case 0x06: //below_equal
  8655         __ slt(AT, op2, op1);
  8656         __ movz(dst, src, AT);
  8657        break;
  8659       default:
  8660           Unimplemented();
  8662   %}
  8664   ins_pipe( pipe_slow );
  8665 %}
  8667 instruct cmovN_cmpI_reg_reg(mRegN dst, mRegN src, mRegI tmp1, mRegI tmp2, cmpOp cop ) %{
  8668   match(Set dst (CMoveN (Binary cop (CmpI tmp1 tmp2)) (Binary dst src)));
  8669   ins_cost(80);
  8670   format %{
  8671              "CMP$cop $tmp1,$tmp2\t @cmovN_cmpI_reg_reg\n\t"
  8672              "CMOV $dst,$src\t @cmovN_cmpI_reg_reg"
  8673          %}
  8674   ins_encode %{
  8675     Register op1 = $tmp1$$Register;
  8676     Register op2 = $tmp2$$Register;
  8677     Register dst = $dst$$Register;
  8678     Register src = $src$$Register;
  8679     int     flag = $cop$$cmpcode;
  8681     switch(flag)
  8683       case 0x01: //equal
  8684         __ subu32(AT, op1, op2);
  8685         __ movz(dst, src, AT);
  8686         break;
  8688       case 0x02: //not_equal
  8689         __ subu32(AT, op1, op2);
  8690         __ movn(dst, src, AT);
  8691         break;
  8693       case 0x03: //above
  8694         __ slt(AT, op2, op1);
  8695         __ movn(dst, src, AT);
  8696         break;
  8698       case 0x04: //above_equal
  8699         __ slt(AT, op1, op2);
  8700         __ movz(dst, src, AT);
  8701         break;
  8703       case 0x05: //below
  8704         __ slt(AT, op1, op2);
  8705         __ movn(dst, src, AT);
  8706         break;
  8708       case 0x06: //below_equal
  8709         __ slt(AT, op2, op1);
  8710         __ movz(dst, src, AT);
  8711        break;
  8713       default:
  8714           Unimplemented();
  8716   %}
  8718   ins_pipe( pipe_slow );
  8719 %}
  8722 instruct cmovL_cmpI_reg_reg(mRegL dst, mRegL src, mRegI tmp1, mRegI tmp2, cmpOp cop ) %{
  8723   match(Set dst (CMoveL (Binary cop (CmpI tmp1 tmp2)) (Binary dst src)));
  8724   ins_cost(80);
  8725   format %{
  8726              "CMP$cop  $tmp1, $tmp2\t  @cmovL_cmpI_reg_reg\n"
  8727              "\tCMOV  $dst,$src \t @cmovL_cmpI_reg_reg"
  8728          %}
  8730   ins_encode %{
  8731     Register op1 = $tmp1$$Register;
  8732     Register op2 = $tmp2$$Register;
  8733     Register dst = as_Register($dst$$reg);
  8734     Register src = as_Register($src$$reg);
  8735     int     flag = $cop$$cmpcode;
  8737     switch(flag)
  8739       case 0x01: //equal
  8740         __ subu32(AT, op1, op2);
  8741         __ movz(dst, src, AT);
  8742         break;
  8744       case 0x02: //not_equal
  8745         __ subu32(AT, op1, op2);
  8746         __ movn(dst, src, AT);
  8747         break;
  8749       case 0x03: //great
  8750         __ slt(AT, op2, op1);
  8751         __ movn(dst, src, AT);
  8752         break;
  8754       case 0x04: //great_equal
  8755         __ slt(AT, op1, op2);
  8756         __ movz(dst, src, AT);
  8757         break;
  8759       case 0x05: //less
  8760         __ slt(AT, op1, op2);
  8761         __ movn(dst, src, AT);
  8762         break;
  8764       case 0x06: //less_equal
  8765         __ slt(AT, op2, op1);
  8766         __ movz(dst, src, AT);
  8767        break;
  8769       default:
  8770           Unimplemented();
  8772   %}
  8774   ins_pipe( pipe_slow );
  8775 %}
  8777 instruct cmovL_cmpL_reg_reg(mRegL dst, mRegL src, mRegL tmp1, mRegL tmp2, cmpOp cop ) %{
  8778   match(Set dst (CMoveL (Binary cop (CmpL tmp1 tmp2)) (Binary dst src)));
  8779   ins_cost(80);
  8780   format %{
  8781              "CMP$cop  $tmp1, $tmp2\t  @cmovL_cmpL_reg_reg\n"
  8782              "\tCMOV  $dst,$src \t @cmovL_cmpL_reg_reg"
  8783          %}
  8784   ins_encode %{
  8785     Register opr1 = as_Register($tmp1$$reg);
  8786     Register opr2 = as_Register($tmp2$$reg);
  8787     Register dst  = as_Register($dst$$reg);
  8788     Register src  = as_Register($src$$reg);
  8789     int     flag = $cop$$cmpcode;
  8791     switch(flag)
  8793       case 0x01: //equal
  8794         __ subu(AT, opr1, opr2);
  8795         __ movz(dst, src, AT);
  8796         break;
  8798       case 0x02: //not_equal
  8799         __ subu(AT, opr1, opr2);
  8800         __ movn(dst, src, AT);
  8801         break;
  8803       case 0x03: //greater
  8804         __ slt(AT, opr2, opr1);
  8805         __ movn(dst, src, AT);
  8806         break;
  8808       case 0x04: //greater_equal
  8809         __ slt(AT, opr1, opr2);
  8810         __ movz(dst, src, AT);
  8811         break;
  8813       case 0x05: //less
  8814         __ slt(AT, opr1, opr2);
  8815         __ movn(dst, src, AT);
  8816         break;
  8818       case 0x06: //less_equal
  8819        __ slt(AT, opr2, opr1);
  8820        __ movz(dst, src, AT);
  8821        break;
  8823       default:
  8824           Unimplemented();
  8826   %}
  8828   ins_pipe( pipe_slow );
  8829 %}
  8831 instruct cmovL_cmpN_reg_reg(mRegL dst, mRegL src, mRegN tmp1, mRegN tmp2, cmpOpU cop ) %{
  8832   match(Set dst (CMoveL (Binary cop (CmpN tmp1 tmp2)) (Binary dst src)));
  8833   ins_cost(80);
  8834   format %{
  8835              "CMPU$cop $tmp1,$tmp2\t @cmovL_cmpN_reg_reg\n\t"
  8836              "CMOV $dst,$src\t @cmovL_cmpN_reg_reg"
  8837          %}
  8838   ins_encode %{
  8839     Register op1 = $tmp1$$Register;
  8840     Register op2 = $tmp2$$Register;
  8841     Register dst = $dst$$Register;
  8842     Register src = $src$$Register;
  8843     int     flag = $cop$$cmpcode;
  8845     switch(flag)
  8847       case 0x01: //equal
  8848         __ subu32(AT, op1, op2);
  8849         __ movz(dst, src, AT);
  8850         break;
  8852       case 0x02: //not_equal
  8853         __ subu32(AT, op1, op2);
  8854         __ movn(dst, src, AT);
  8855         break;
  8857       case 0x03: //above
  8858         __ sltu(AT, op2, op1);
  8859         __ movn(dst, src, AT);
  8860         break;
  8862       case 0x04: //above_equal
  8863         __ sltu(AT, op1, op2);
  8864         __ movz(dst, src, AT);
  8865         break;
  8867       case 0x05: //below
  8868         __ sltu(AT, op1, op2);
  8869         __ movn(dst, src, AT);
  8870         break;
  8872       case 0x06: //below_equal
  8873         __ sltu(AT, op2, op1);
  8874         __ movz(dst, src, AT);
  8875         break;
  8877       default:
  8878           Unimplemented();
  8880   %}
  8882   ins_pipe( pipe_slow );
  8883 %}
  8886 instruct cmovL_cmpD_reg_reg(mRegL dst, mRegL src, regD tmp1, regD tmp2, cmpOp cop ) %{
  8887   match(Set dst (CMoveL (Binary cop (CmpD tmp1 tmp2)) (Binary dst src)));
  8888   ins_cost(80);
  8889   format %{
  8890              "CMP$cop  $tmp1, $tmp2\t  @cmovL_cmpD_reg_reg\n"
  8891              "\tCMOV  $dst,$src \t @cmovL_cmpD_reg_reg"
  8892          %}
  8893   ins_encode %{
  8894     FloatRegister reg_op1 = as_FloatRegister($tmp1$$reg);
  8895     FloatRegister reg_op2 = as_FloatRegister($tmp2$$reg);
  8896     Register dst = as_Register($dst$$reg);
  8897     Register src = as_Register($src$$reg);
  8899     int     flag = $cop$$cmpcode;
  8901     switch(flag)
  8903       case 0x01: //equal
  8904         __ c_eq_d(reg_op1, reg_op2);
  8905         __ movt(dst, src);
  8906         break;
  8907       case 0x02: //not_equal
  8908         __ c_eq_d(reg_op1, reg_op2);
  8909         __ movf(dst, src);
  8910         break;
  8911       case 0x03: //greater
  8912         __ c_ole_d(reg_op1, reg_op2);
  8913         __ movf(dst, src);
  8914         break;
  8915       case 0x04: //greater_equal
  8916         __ c_olt_d(reg_op1, reg_op2);
  8917         __ movf(dst, src);
  8918         break;
  8919       case 0x05: //less
  8920         __ c_ult_d(reg_op1, reg_op2);
  8921         __ movt(dst, src);
  8922         break;
  8923       case 0x06: //less_equal
  8924         __ c_ule_d(reg_op1, reg_op2);
  8925         __ movt(dst, src);
  8926         break;
  8927       default:
  8928           Unimplemented();
  8930   %}
  8932   ins_pipe( pipe_slow );
  8933 %}
  8935 instruct cmovD_cmpD_reg_reg(regD dst, regD src, regD tmp1, regD tmp2, cmpOp cop ) %{
  8936   match(Set dst (CMoveD (Binary cop (CmpD tmp1 tmp2)) (Binary dst src)));
  8937   ins_cost(200);
  8938   format %{
  8939              "CMP$cop  $tmp1, $tmp2\t  @cmovD_cmpD_reg_reg\n"
  8940              "\tCMOV  $dst,$src \t @cmovD_cmpD_reg_reg"
  8941          %}
  8942   ins_encode %{
  8943     FloatRegister reg_op1 = as_FloatRegister($tmp1$$reg);
  8944     FloatRegister reg_op2 = as_FloatRegister($tmp2$$reg);
  8945     FloatRegister dst = as_FloatRegister($dst$$reg);
  8946     FloatRegister src = as_FloatRegister($src$$reg);
  8948     int     flag = $cop$$cmpcode;
  8950     switch(flag)
  8952       case 0x01: //equal
  8953         __ c_eq_d(reg_op1, reg_op2);
  8954         __ movt_d(dst, src);
  8955         break;
  8956       case 0x02: //not_equal
  8957         __ c_eq_d(reg_op1, reg_op2);
  8958         __ movf_d(dst, src);
  8959         break;
  8960       case 0x03: //greater
  8961         __ c_ole_d(reg_op1, reg_op2);
  8962         __ movf_d(dst, src);
  8963         break;
  8964       case 0x04: //greater_equal
  8965         __ c_olt_d(reg_op1, reg_op2);
  8966         __ movf_d(dst, src);
  8967         break;
  8968       case 0x05: //less
  8969         __ c_ult_d(reg_op1, reg_op2);
  8970         __ movt_d(dst, src);
  8971         break;
  8972       case 0x06: //less_equal
  8973         __ c_ule_d(reg_op1, reg_op2);
  8974         __ movt_d(dst, src);
  8975         break;
  8976       default:
  8977           Unimplemented();
  8979   %}
  8981   ins_pipe( pipe_slow );
  8982 %}
  8984 instruct cmovF_cmpI_reg_reg(regF dst, regF src, mRegI tmp1, mRegI tmp2, cmpOp cop ) %{
  8985   match(Set dst (CMoveF (Binary cop (CmpI tmp1 tmp2)) (Binary dst src)));
  8986   ins_cost(200);
  8987   format %{
  8988              "CMP$cop  $tmp1, $tmp2\t  @cmovF_cmpI_reg_reg\n"
  8989              "\tCMOV  $dst, $src \t @cmovF_cmpI_reg_reg"
  8990          %}
  8992   ins_encode %{
  8993     Register op1 = $tmp1$$Register;
  8994     Register op2 = $tmp2$$Register;
  8995     FloatRegister dst = as_FloatRegister($dst$$reg);
  8996     FloatRegister src = as_FloatRegister($src$$reg);
  8997     int     flag = $cop$$cmpcode;
  8998     Label      L; 
  9000     switch(flag)
  9002       case 0x01: //equal
  9003        	__ bne(op1, op2, L); 
  9004         __ nop();
  9005         __ mov_s(dst, src);
  9006         __ bind(L);
  9007         break;
  9008       case 0x02: //not_equal
  9009        	__ beq(op1, op2, L); 
  9010         __ nop();
  9011         __ mov_s(dst, src);
  9012         __ bind(L);
  9013         break;
  9014       case 0x03: //great
  9015         __ slt(AT, op2, op1);
  9016        	__ beq(AT, R0, L);
  9017         __ nop();
  9018         __ mov_s(dst, src);
  9019         __ bind(L);
  9020         break;
  9021       case 0x04: //great_equal
  9022         __ slt(AT, op1, op2);
  9023         __ bne(AT, R0, L); 
  9024         __ nop();
  9025         __ mov_s(dst, src);
  9026         __ bind(L);
  9027         break;
  9028       case 0x05: //less
  9029         __ slt(AT, op1, op2);
  9030        	__ beq(AT, R0, L);
  9031         __ nop();
  9032         __ mov_s(dst, src);
  9033         __ bind(L);
  9034         break;
  9035       case 0x06: //less_equal
  9036         __ slt(AT, op2, op1);
  9037        	__ bne(AT, R0, L); 
  9038         __ nop();
  9039         __ mov_s(dst, src);
  9040         __ bind(L);
  9041        break;
  9042       default:
  9043           Unimplemented();
  9045   %}
  9047   ins_pipe( pipe_slow );
  9048 %}
  9050 instruct cmovD_cmpI_reg_reg(regD dst, regD src, mRegI tmp1, mRegI tmp2, cmpOp cop ) %{
  9051   match(Set dst (CMoveD (Binary cop (CmpI tmp1 tmp2)) (Binary dst src)));
  9052   ins_cost(200);
  9053   format %{
  9054              "CMP$cop  $tmp1, $tmp2\t  @cmovD_cmpI_reg_reg\n"
  9055              "\tCMOV  $dst, $src \t @cmovD_cmpI_reg_reg"
  9056          %}
  9058   ins_encode %{
  9059     Register op1 = $tmp1$$Register;
  9060     Register op2 = $tmp2$$Register;
  9061     FloatRegister dst = as_FloatRegister($dst$$reg);
  9062     FloatRegister src = as_FloatRegister($src$$reg);
  9063     int     flag = $cop$$cmpcode;
  9064     Label      L; 
  9066     switch(flag)
  9068       case 0x01: //equal
  9069        	__ bne(op1, op2, L); 
  9070         __ nop();
  9071         __ mov_d(dst, src);
  9072         __ bind(L);
  9073         break;
  9074       case 0x02: //not_equal
  9075        	__ beq(op1, op2, L); 
  9076         __ nop();
  9077         __ mov_d(dst, src);
  9078         __ bind(L);
  9079         break;
  9080       case 0x03: //great
  9081         __ slt(AT, op2, op1);
  9082        	__ beq(AT, R0, L);
  9083         __ nop();
  9084         __ mov_d(dst, src);
  9085         __ bind(L);
  9086         break;
  9087       case 0x04: //great_equal
  9088         __ slt(AT, op1, op2);
  9089         __ bne(AT, R0, L); 
  9090         __ nop();
  9091         __ mov_d(dst, src);
  9092         __ bind(L);
  9093         break;
  9094       case 0x05: //less
  9095         __ slt(AT, op1, op2);
  9096        	__ beq(AT, R0, L);
  9097         __ nop();
  9098         __ mov_d(dst, src);
  9099         __ bind(L);
  9100         break;
  9101       case 0x06: //less_equal
  9102         __ slt(AT, op2, op1);
  9103        	__ bne(AT, R0, L); 
  9104         __ nop();
  9105         __ mov_d(dst, src);
  9106         __ bind(L);
  9107        break;
  9108       default:
  9109           Unimplemented();
  9111   %}
  9113   ins_pipe( pipe_slow );
  9114 %}
  9116 instruct cmovD_cmpP_reg_reg(regD dst, regD src, mRegP tmp1, mRegP tmp2, cmpOp cop ) %{
  9117   match(Set dst (CMoveD (Binary cop (CmpP tmp1 tmp2)) (Binary dst src)));
  9118   ins_cost(200);
  9119   format %{
  9120              "CMP$cop  $tmp1, $tmp2\t  @cmovD_cmpP_reg_reg\n"
  9121              "\tCMOV  $dst, $src \t @cmovD_cmpP_reg_reg"
  9122          %}
  9124   ins_encode %{
  9125     Register op1 = $tmp1$$Register;
  9126     Register op2 = $tmp2$$Register;
  9127     FloatRegister dst = as_FloatRegister($dst$$reg);
  9128     FloatRegister src = as_FloatRegister($src$$reg);
  9129     int     flag = $cop$$cmpcode;
  9130     Label      L; 
  9132     switch(flag)
  9134       case 0x01: //equal
  9135        	__ bne(op1, op2, L); 
  9136         __ nop();
  9137         __ mov_d(dst, src);
  9138         __ bind(L);
  9139         break;
  9140       case 0x02: //not_equal
  9141        	__ beq(op1, op2, L); 
  9142         __ nop();
  9143         __ mov_d(dst, src);
  9144         __ bind(L);
  9145         break;
  9146       case 0x03: //great
  9147         __ slt(AT, op2, op1);
  9148        	__ beq(AT, R0, L);
  9149         __ nop();
  9150         __ mov_d(dst, src);
  9151         __ bind(L);
  9152         break;
  9153       case 0x04: //great_equal
  9154         __ slt(AT, op1, op2);
  9155         __ bne(AT, R0, L); 
  9156         __ nop();
  9157         __ mov_d(dst, src);
  9158         __ bind(L);
  9159         break;
  9160       case 0x05: //less
  9161         __ slt(AT, op1, op2);
  9162        	__ beq(AT, R0, L);
  9163         __ nop();
  9164         __ mov_d(dst, src);
  9165         __ bind(L);
  9166         break;
  9167       case 0x06: //less_equal
  9168         __ slt(AT, op2, op1);
  9169        	__ bne(AT, R0, L); 
  9170         __ nop();
  9171         __ mov_d(dst, src);
  9172         __ bind(L);
  9173        break;
  9174       default:
  9175           Unimplemented();
  9177   %}
  9179   ins_pipe( pipe_slow );
  9180 %}
  9182 //FIXME
  9183 instruct cmovI_cmpF_reg_reg(mRegI dst, mRegI src, regF tmp1, regF tmp2, cmpOp cop ) %{
  9184   match(Set dst (CMoveI (Binary cop (CmpF tmp1 tmp2)) (Binary dst src)));
  9185   ins_cost(80);
  9186   format %{
  9187              "CMP$cop  $tmp1, $tmp2\t  @cmovI_cmpF_reg_reg\n"
  9188              "\tCMOV  $dst,$src \t @cmovI_cmpF_reg_reg"
  9189          %}
  9191   ins_encode %{
  9192     FloatRegister reg_op1 = $tmp1$$FloatRegister;
  9193     FloatRegister reg_op2 = $tmp2$$FloatRegister;
  9194     Register dst = $dst$$Register;
  9195     Register src = $src$$Register;
  9196     int     flag = $cop$$cmpcode;
  9198     switch(flag)
  9200       case 0x01: //equal
  9201         __ c_eq_s(reg_op1, reg_op2);
  9202         __ movt(dst, src);
  9203         break;
  9204       case 0x02: //not_equal
  9205         __ c_eq_s(reg_op1, reg_op2);
  9206         __ movf(dst, src);
  9207         break;
  9208       case 0x03: //greater
  9209         __ c_ole_s(reg_op1, reg_op2);
  9210         __ movf(dst, src);
  9211         break;
  9212       case 0x04: //greater_equal
  9213         __ c_olt_s(reg_op1, reg_op2);
  9214         __ movf(dst, src);
  9215         break;
  9216       case 0x05: //less
  9217         __ c_ult_s(reg_op1, reg_op2);
  9218         __ movt(dst, src);
  9219         break;
  9220       case 0x06: //less_equal
  9221         __ c_ule_s(reg_op1, reg_op2);
  9222         __ movt(dst, src);
  9223        break;
  9224       default:
  9225           Unimplemented();
  9227   %}
  9228   ins_pipe( pipe_slow );
  9229 %}
  9231 instruct cmovF_cmpF_reg_reg(regF dst, regF src, regF tmp1, regF tmp2, cmpOp cop ) %{
  9232   match(Set dst (CMoveF (Binary cop (CmpF tmp1 tmp2)) (Binary dst src)));
  9233   ins_cost(200);
  9234   format %{
  9235              "CMP$cop  $tmp1, $tmp2\t  @cmovF_cmpF_reg_reg\n"
  9236              "\tCMOV  $dst,$src \t @cmovF_cmpF_reg_reg"
  9237          %}
  9239   ins_encode %{
  9240     FloatRegister reg_op1 = $tmp1$$FloatRegister;
  9241     FloatRegister reg_op2 = $tmp2$$FloatRegister;
  9242     FloatRegister dst = $dst$$FloatRegister;
  9243     FloatRegister src = $src$$FloatRegister;
  9244     int    flag = $cop$$cmpcode;
  9246     switch(flag)
  9248       case 0x01: //equal
  9249         __ c_eq_s(reg_op1, reg_op2);
  9250         __ movt_s(dst, src);
  9251         break;
  9252       case 0x02: //not_equal
  9253         __ c_eq_s(reg_op1, reg_op2);
  9254         __ movf_s(dst, src);
  9255         break;
  9256       case 0x03: //greater
  9257         __ c_ole_s(reg_op1, reg_op2);
  9258         __ movf_s(dst, src);
  9259         break;
  9260       case 0x04: //greater_equal
  9261         __ c_olt_s(reg_op1, reg_op2);
  9262         __ movf_s(dst, src);
  9263         break;
  9264       case 0x05: //less
  9265         __ c_ult_s(reg_op1, reg_op2);
  9266         __ movt_s(dst, src);
  9267         break;
  9268       case 0x06: //less_equal
  9269         __ c_ule_s(reg_op1, reg_op2);
  9270         __ movt_s(dst, src);
  9271         break;
  9272       default:
  9273           Unimplemented();
  9275   %}
  9276   ins_pipe( pipe_slow );
  9277 %}
  9279 // Manifest a CmpL result in an integer register.  Very painful.
  9280 // This is the test to avoid.
  9281 instruct cmpL3_reg_reg(mRegI dst, mRegL src1, mRegL src2) %{
  9282   match(Set dst (CmpL3 src1 src2));
  9283   ins_cost(1000);
  9284   format %{ "cmpL3  $dst, $src1, $src2 @ cmpL3_reg_reg" %}
  9285   ins_encode %{
  9286     Register opr1 = as_Register($src1$$reg);
  9287     Register opr2 = as_Register($src2$$reg);
  9288     Register dst  = as_Register($dst$$reg);
  9290     Label Done;
  9292     __ subu(AT, opr1, opr2);
  9293     __ bltz(AT, Done);
  9294     __ delayed()->daddiu(dst, R0, -1);
  9296     __ move(dst, 1);
  9297     __ movz(dst, R0, AT);
  9299     __ bind(Done);
  9300   %}
  9301   ins_pipe( pipe_slow );
  9302 %}
  9304 //
  9305 // less_rsult     = -1 
  9306 // greater_result =  1
  9307 // equal_result   =  0 
  9308 // nan_result     = -1
  9309 //
  9310 instruct cmpF3_reg_reg(mRegI dst, regF src1, regF src2) %{
  9311   match(Set dst (CmpF3 src1 src2));
  9312   ins_cost(1000);
  9313   format %{ "cmpF3  $dst, $src1, $src2 @ cmpF3_reg_reg" %}
  9314   ins_encode %{
  9315     FloatRegister src1 = as_FloatRegister($src1$$reg);
  9316     FloatRegister src2 = as_FloatRegister($src2$$reg);
  9317     Register dst = as_Register($dst$$reg);
  9319     Label Done;
  9321     __ c_ult_s(src1, src2);
  9322     __ bc1t(Done);
  9323     __ delayed()->daddiu(dst, R0, -1);
  9325     __ c_eq_s(src1, src2);
  9326     __ move(dst, 1);
  9327     __ movt(dst, R0);
  9329     __ bind(Done);
  9330   %}
  9331   ins_pipe( pipe_slow );
  9332 %}
  9334 instruct cmpD3_reg_reg(mRegI dst, regD src1, regD src2) %{
  9335   match(Set dst (CmpD3 src1 src2));
  9336   ins_cost(1000);
  9337   format %{ "cmpD3  $dst, $src1, $src2 @ cmpD3_reg_reg" %}
  9338   ins_encode %{
  9339     FloatRegister src1 = as_FloatRegister($src1$$reg);
  9340     FloatRegister src2 = as_FloatRegister($src2$$reg);
  9341     Register dst = as_Register($dst$$reg);
  9343     Label Done;
  9345     __ c_ult_d(src1, src2);
  9346     __ bc1t(Done);
  9347     __ delayed()->daddiu(dst, R0, -1);
  9349     __ c_eq_d(src1, src2);
  9350     __ move(dst, 1);
  9351     __ movt(dst, R0);
  9353     __ bind(Done);
  9354   %}
  9355   ins_pipe( pipe_slow );
  9356 %}
  9358 instruct clear_array(mRegL cnt, mRegP base, Universe dummy) %{
  9359   match(Set dummy (ClearArray cnt base));
  9360   format %{ "CLEAR_ARRAY base = $base, cnt = $cnt # Clear doublewords" %}
  9361   ins_encode %{
  9362     //Assume cnt is the number of bytes in an array to be cleared,
  9363     //and base points to the starting address of the array.
  9364     Register base = $base$$Register;
  9365     Register num  = $cnt$$Register;
  9366     Label Loop, done;
  9368     __ beq(num, R0, done);
  9369     __ delayed()->daddu(AT, base, R0);
  9371     __ move(T9, num);	/* T9 = words */
  9373     __ bind(Loop);
  9374     __ sd(R0, AT, 0);
  9375     __ daddi(T9, T9, -1);
  9376     __ bne(T9, R0, Loop);
  9377     __ delayed()->daddi(AT, AT, wordSize);
  9379     __ bind(done);
  9380   %}
  9381   ins_pipe( pipe_slow );
  9382 %}
  9384 instruct string_compare(a4_RegP str1, mA5RegI cnt1, a6_RegP str2,  mA7RegI cnt2, no_Ax_mRegI result) %{
  9385   match(Set result (StrComp (Binary str1 cnt1) (Binary str2 cnt2)));
  9386   effect(USE_KILL str1, USE_KILL str2, USE_KILL cnt1, USE_KILL cnt2);
  9388   format %{ "String Compare $str1[len: $cnt1], $str2[len: $cnt2] -> $result @ string_compare" %}
  9389   ins_encode %{
  9390     // Get the first character position in both strings
  9391     //         [8] char array, [12] offset, [16] count 
  9392     Register str1   = $str1$$Register;
  9393     Register str2   = $str2$$Register;
  9394     Register cnt1   = $cnt1$$Register;
  9395     Register cnt2   = $cnt2$$Register;
  9396     Register result = $result$$Register;
  9398     Label L, Loop, haveResult, done;
  9400    // compute the and difference of lengths (in result)
  9401    __ subu(result, cnt1, cnt2); // result holds the difference of two lengths
  9403    // compute the shorter length (in cnt1)
  9404    __ slt(AT, cnt2, cnt1);
  9405    __ movn(cnt1, cnt2, AT);
  9407    // Now the shorter length is in cnt1 and cnt2 can be used as a tmp register 
  9408    __ bind(Loop);                        // Loop begin
  9409    __ beq(cnt1, R0, done);
  9410    __ delayed()->lhu(AT, str1, 0);;
  9412    // compare current character
  9413    __ lhu(cnt2, str2, 0);
  9414    __ bne(AT, cnt2, haveResult);
  9415    __ delayed()->addi(str1, str1, 2);
  9416    __ addi(str2, str2, 2);
  9417    __ b(Loop);
  9418    __ delayed()->addi(cnt1, cnt1, -1);   // Loop end
  9420    __ bind(haveResult);
  9421    __ subu(result, AT, cnt2);
  9423    __ bind(done);
  9424   %}
  9426   ins_pipe( pipe_slow );
  9427 %}
  9429 // intrinsic optimization
  9430 instruct string_equals(a4_RegP str1, a5_RegP str2, mA6RegI cnt, mA7RegI temp, no_Ax_mRegI result) %{
  9431   match(Set result (StrEquals (Binary str1 str2) cnt));
  9432   effect(USE_KILL str1, USE_KILL str2, USE_KILL cnt, KILL temp);
  9434   format %{ "String Equal $str1, $str2, len:$cnt  tmp:$temp -> $result @ string_equals" %}
  9435   ins_encode %{
  9436     // Get the first character position in both strings
  9437     //         [8] char array, [12] offset, [16] count 
  9438     Register str1   = $str1$$Register;
  9439     Register str2   = $str2$$Register;
  9440     Register cnt    = $cnt$$Register;
  9441     Register tmp    = $temp$$Register;
  9442     Register result = $result$$Register;
  9444     Label    Loop, done;
  9447    __ beq(str1, str2, done);  // same char[] ?
  9448    __ daddiu(result, R0, 1);
  9450    __ bind(Loop);             // Loop begin
  9451    __ beq(cnt, R0, done);
  9452    __ daddiu(result, R0, 1); // count == 0
  9454    // compare current character
  9455    __ lhu(AT, str1, 0);;
  9456    __ lhu(tmp, str2, 0);
  9457    __ bne(AT, tmp, done);
  9458    __ delayed()->daddi(result, R0, 0);
  9459    __ addi(str1, str1, 2);
  9460    __ addi(str2, str2, 2);
  9461    __ b(Loop);
  9462    __ delayed()->addi(cnt, cnt, -1);  // Loop end
  9464    __ bind(done);
  9465   %}
  9467   ins_pipe( pipe_slow );
  9468 %}
  9470 //----------Arithmetic Instructions-------------------------------------------
  9471 //----------Addition Instructions---------------------------------------------
  9472 instruct addI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2) %{
  9473   match(Set dst (AddI src1 src2));
  9475   format %{ "add   $dst, $src1, $src2 #@addI_Reg_Reg" %}
  9476   ins_encode %{
  9477     Register  dst = $dst$$Register;
  9478     Register src1 = $src1$$Register;
  9479     Register src2 = $src2$$Register;
  9480     __ addu32(dst, src1, src2);
  9481   %}
  9482   ins_pipe( ialu_regI_regI );
  9483 %}
  9485 instruct addI_Reg_imm(mRegI dst, mRegI src1,  immI src2) %{
  9486   match(Set dst (AddI src1 src2));
  9488   format %{ "add    $dst, $src1, $src2 #@addI_Reg_imm" %}
  9489   ins_encode %{
  9490     Register  dst = $dst$$Register;
  9491     Register src1 = $src1$$Register;
  9492     int       imm = $src2$$constant;
  9494     if(Assembler::is_simm16(imm)) {
  9495        __ addiu32(dst, src1, imm);
  9496     } else {
  9497        __ move(AT, imm);
  9498        __ addu32(dst, src1, AT);
  9500   %}
  9501   ins_pipe( ialu_regI_regI );
  9502 %}
  9504 instruct addP_reg_reg(mRegP dst, mRegP src1, mRegL src2) %{
  9505   match(Set dst (AddP src1 src2));
  9507   format %{ "dadd    $dst, $src1, $src2 #@addP_reg_reg" %}
  9509   ins_encode %{
  9510     Register  dst = $dst$$Register;
  9511     Register src1 = $src1$$Register;
  9512     Register src2 = $src2$$Register;
  9513     __ daddu(dst, src1, src2);  
  9514   %}
  9516   ins_pipe( ialu_regI_regI );
  9517 %}
  9519 instruct addP_reg_reg_convI2L(mRegP dst, mRegP src1, mRegI src2) %{
  9520   match(Set dst (AddP src1 (ConvI2L src2)));
  9522   format %{ "dadd    $dst, $src1, $src2 #@addP_reg_reg_convI2L" %}
  9524   ins_encode %{
  9525     Register  dst = $dst$$Register;
  9526     Register src1 = $src1$$Register;
  9527     Register src2 = $src2$$Register;
  9528     __ daddu(dst, src1, src2);  
  9529   %}
  9531   ins_pipe( ialu_regI_regI );
  9532 %}
  9534 instruct addP_reg_imm(mRegP dst, mRegP src1,  immL src2) %{
  9535   match(Set dst (AddP src1 src2));
  9537   format %{ "daddi   $dst, $src1, $src2 #@addP_reg_imm" %}
  9538   ins_encode %{
  9539     Register src1 = $src1$$Register;
  9540     long      src2 = $src2$$constant;
  9541     Register  dst = $dst$$Register;
  9543     if(Assembler::is_simm16(src2)) {
  9544        __ daddiu(dst, src1, src2);
  9545     } else {
  9546        __ set64(AT, src2);
  9547        __ daddu(dst, src1, AT);
  9549   %}
  9550   ins_pipe( ialu_regI_imm16 );
  9551 %}
  9553 // Add Long Register with Register
  9554 instruct addL_Reg_Reg(mRegL dst, mRegL src1, mRegL src2) %{
  9555   match(Set dst (AddL src1 src2));
  9556   ins_cost(200);
  9557   format %{ "ADD    $dst, $src1, $src2 #@addL_Reg_Reg\t" %}
  9559   ins_encode %{
  9560     Register dst_reg = as_Register($dst$$reg);
  9561     Register src1_reg = as_Register($src1$$reg);
  9562     Register src2_reg = as_Register($src2$$reg);
  9564     __ daddu(dst_reg, src1_reg, src2_reg);
  9565   %}
  9567   ins_pipe( ialu_regL_regL );
  9568 %}
  9570 instruct addL_Reg_imm(mRegL dst, mRegL src1, immL16 src2)
  9571 %{
  9572   match(Set dst (AddL src1 src2));
  9574   format %{ "ADD    $dst, $src1, $src2 #@addL_Reg_imm " %}
  9575   ins_encode %{
  9576     Register dst_reg  = as_Register($dst$$reg);
  9577     Register src1_reg = as_Register($src1$$reg);
  9578     int      src2_imm = $src2$$constant;
  9580     __ daddiu(dst_reg, src1_reg, src2_imm);
  9581   %}
  9583   ins_pipe( ialu_regL_regL );
  9584 %}
  9586 instruct addL_RegI2L_imm(mRegL dst, mRegI src1, immL16 src2)
  9587 %{
  9588   match(Set dst (AddL (ConvI2L src1) src2));
  9590   format %{ "ADD    $dst, $src1, $src2 #@addL_RegI2L_imm " %}
  9591   ins_encode %{
  9592     Register dst_reg  = as_Register($dst$$reg);
  9593     Register src1_reg = as_Register($src1$$reg);
  9594     int      src2_imm = $src2$$constant;
  9596     __ daddiu(dst_reg, src1_reg, src2_imm);
  9597   %}
  9599   ins_pipe( ialu_regL_regL );
  9600 %}
  9602 instruct addL_RegI2L_Reg(mRegL dst, mRegI src1, mRegL src2) %{
  9603   match(Set dst (AddL (ConvI2L src1) src2));
  9604   ins_cost(200);
  9605   format %{ "ADD    $dst, $src1, $src2 #@addL_RegI2L_Reg\t" %}
  9607   ins_encode %{
  9608     Register dst_reg = as_Register($dst$$reg);
  9609     Register src1_reg = as_Register($src1$$reg);
  9610     Register src2_reg = as_Register($src2$$reg);
  9612     __ daddu(dst_reg, src1_reg, src2_reg);
  9613   %}
  9615   ins_pipe( ialu_regL_regL );
  9616 %}
  9618 instruct addL_RegI2L_RegI2L(mRegL dst, mRegI src1, mRegI src2) %{
  9619   match(Set dst (AddL (ConvI2L src1) (ConvI2L src2)));
  9620   ins_cost(200);
  9621   format %{ "ADD    $dst, $src1, $src2 #@addL_RegI2L_RegI2L\t" %}
  9623   ins_encode %{
  9624     Register dst_reg = as_Register($dst$$reg);
  9625     Register src1_reg = as_Register($src1$$reg);
  9626     Register src2_reg = as_Register($src2$$reg);
  9628     __ daddu(dst_reg, src1_reg, src2_reg);
  9629   %}
  9631   ins_pipe( ialu_regL_regL );
  9632 %}
  9634 instruct addL_Reg_RegI2L(mRegL dst, mRegL src1, mRegI src2) %{
  9635   match(Set dst (AddL src1 (ConvI2L src2)));
  9636   ins_cost(200);
  9637   format %{ "ADD    $dst, $src1, $src2 #@addL_Reg_RegI2L\t" %}
  9639   ins_encode %{
  9640     Register dst_reg = as_Register($dst$$reg);
  9641     Register src1_reg = as_Register($src1$$reg);
  9642     Register src2_reg = as_Register($src2$$reg);
  9644     __ daddu(dst_reg, src1_reg, src2_reg);
  9645   %}
  9647   ins_pipe( ialu_regL_regL );
  9648 %}
  9650 //----------Subtraction Instructions-------------------------------------------
  9651 // Integer Subtraction Instructions
  9652 instruct subI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2) %{
  9653   match(Set dst (SubI src1 src2));
  9654   ins_cost(100);
  9656   format %{ "sub    $dst, $src1, $src2 #@subI_Reg_Reg" %}
  9657   ins_encode %{
  9658     Register  dst = $dst$$Register;
  9659     Register src1 = $src1$$Register;
  9660     Register src2 = $src2$$Register;
  9661     __ subu32(dst, src1, src2);
  9662   %}
  9663   ins_pipe( ialu_regI_regI );
  9664 %}
  9666 instruct subI_Reg_immI16_sub(mRegI dst, mRegI src1,  immI16_sub src2) %{
  9667   match(Set dst (SubI src1 src2));
  9668   ins_cost(80);
  9670   format %{ "sub    $dst, $src1, $src2 #@subI_Reg_immI16_sub" %}
  9671   ins_encode %{
  9672     Register  dst = $dst$$Register;
  9673     Register src1 = $src1$$Register;
  9674     __ addiu32(dst, src1, -1 * $src2$$constant);
  9675   %}
  9676   ins_pipe( ialu_regI_regI );
  9677 %}
  9679 instruct negI_Reg(mRegI dst, immI0 zero,  mRegI src) %{
  9680   match(Set dst (SubI zero src));
  9681   ins_cost(80);
  9683   format %{ "neg    $dst, $src #@negI_Reg" %}
  9684   ins_encode %{
  9685     Register  dst = $dst$$Register;
  9686     Register  src = $src$$Register;
  9687     __ subu32(dst, R0, src);
  9688   %}
  9689   ins_pipe( ialu_regI_regI );
  9690 %}
  9692 instruct negL_Reg(mRegL dst, immL0 zero,  mRegL src) %{
  9693   match(Set dst (SubL zero src));
  9694   ins_cost(80);
  9696   format %{ "neg    $dst, $src #@negL_Reg" %}
  9697   ins_encode %{
  9698     Register  dst = $dst$$Register;
  9699     Register  src = $src$$Register;
  9700     __ subu(dst, R0, src);
  9701   %}
  9702   ins_pipe( ialu_regI_regI );
  9703 %}
  9705 instruct subL_Reg_immL16_sub(mRegL dst, mRegL src1,  immL16_sub src2) %{
  9706   match(Set dst (SubL src1 src2));
  9707   ins_cost(80);
  9709   format %{ "sub    $dst, $src1, $src2 #@subL_Reg_immL16_sub" %}
  9710   ins_encode %{
  9711     Register  dst = $dst$$Register;
  9712     Register src1 = $src1$$Register;
  9713     __ daddiu(dst, src1, -1 * $src2$$constant);
  9714   %}
  9715   ins_pipe( ialu_regI_regI );
  9716 %}
  9718 // Subtract Long Register with Register.
  9719 instruct subL_Reg_Reg(mRegL dst, mRegL src1, mRegL src2) %{
  9720   match(Set dst (SubL src1 src2));
  9721   ins_cost(100);
  9722   format %{ "SubL    $dst, $src1, $src2 @ subL_Reg_Reg" %}
  9723   ins_encode %{
  9724     Register dst  = as_Register($dst$$reg);
  9725     Register src1 = as_Register($src1$$reg);
  9726     Register src2 = as_Register($src2$$reg);
  9728     __ subu(dst, src1, src2);
  9729   %}
  9730   ins_pipe( ialu_regL_regL );
  9731 %}
  9733 instruct subL_Reg_RegI2L(mRegL dst, mRegL src1, mRegI src2) %{
  9734   match(Set dst (SubL src1 (ConvI2L src2)));
  9735   ins_cost(100);
  9736   format %{ "SubL    $dst, $src1, $src2 @ subL_Reg_RegI2L" %}
  9737   ins_encode %{
  9738     Register dst  = as_Register($dst$$reg);
  9739     Register src1 = as_Register($src1$$reg);
  9740     Register src2 = as_Register($src2$$reg);
  9742     __ subu(dst, src1, src2);
  9743   %}
  9744   ins_pipe( ialu_regL_regL );
  9745 %}
  9747 instruct subL_RegI2L_Reg(mRegL dst, mRegI src1, mRegL src2) %{
  9748   match(Set dst (SubL (ConvI2L src1) src2));
  9749   ins_cost(200);
  9750   format %{ "SubL    $dst, $src1, $src2 @ subL_RegI2L_Reg" %}
  9751   ins_encode %{
  9752     Register dst  = as_Register($dst$$reg);
  9753     Register src1 = as_Register($src1$$reg);
  9754     Register src2 = as_Register($src2$$reg);
  9756     __ subu(dst, src1, src2);
  9757   %}
  9758   ins_pipe( ialu_regL_regL );
  9759 %}
  9761 instruct subL_RegI2L_RegI2L(mRegL dst, mRegI src1, mRegI src2) %{
  9762   match(Set dst (SubL (ConvI2L src1) (ConvI2L src2)));
  9763   ins_cost(200);
  9764   format %{ "SubL    $dst, $src1, $src2 @ subL_RegI2L_RegI2L" %}
  9765   ins_encode %{
  9766     Register dst  = as_Register($dst$$reg);
  9767     Register src1 = as_Register($src1$$reg);
  9768     Register src2 = as_Register($src2$$reg);
  9770     __ subu(dst, src1, src2);
  9771   %}
  9772   ins_pipe( ialu_regL_regL );
  9773 %}
  9775 // Integer MOD with Register
  9776 instruct modI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2) %{
  9777   match(Set dst (ModI src1 src2));
  9778   ins_cost(300);
  9779   format %{ "modi   $dst, $src1, $src2 @ modI_Reg_Reg" %}
  9780   ins_encode %{
  9781     Register  dst = $dst$$Register;
  9782     Register src1 = $src1$$Register;
  9783     Register src2 = $src2$$Register;
  9785     //if (UseLoongsonISA) {
  9786     if (0) {
  9787       // 2016.08.10 
  9788       // Experiments show that gsmod is slower that div+mfhi.
  9789       // So I just disable it here.
  9790       __ gsmod(dst, src1, src2);
  9791     } else {
  9792       __ div(src1, src2); 
  9793       __ mfhi(dst);  
  9795   %}
  9797   //ins_pipe( ialu_mod );
  9798   ins_pipe( ialu_regI_regI );
  9799 %}
  9801 instruct modL_reg_reg(mRegL dst, mRegL src1, mRegL src2) %{
  9802   match(Set dst (ModL src1 src2));
  9803   format %{ "modL  $dst, $src1, $src2 @modL_reg_reg" %}
  9805   ins_encode %{
  9806     Register dst = as_Register($dst$$reg);
  9807     Register op1 = as_Register($src1$$reg);
  9808     Register op2 = as_Register($src2$$reg);
  9810     if (UseLoongsonISA) {
  9811       __ gsdmod(dst, op1, op2);
  9812     } else {
  9813       __ ddiv(op1, op2);
  9814       __ mfhi(dst);
  9816   %}
  9817   ins_pipe( pipe_slow );
  9818 %}
  9820 instruct mulI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2) %{
  9821   match(Set dst (MulI src1 src2));
  9823   ins_cost(300);
  9824   format %{ "mul   $dst, $src1, $src2 @ mulI_Reg_Reg" %}
  9825   ins_encode %{
  9826      Register src1 = $src1$$Register;
  9827      Register src2 = $src2$$Register;
  9828      Register dst  = $dst$$Register;
  9830      __ mul(dst, src1, src2);
  9831   %}
  9832   ins_pipe( ialu_mult );
  9833 %}
  9835 instruct maddI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2, mRegI src3) %{
  9836   match(Set dst (AddI (MulI src1 src2) src3));
  9838   ins_cost(999);
  9839   format %{ "madd   $dst, $src1 * $src2 + $src3 #@maddI_Reg_Reg" %}
  9840   ins_encode %{
  9841      Register src1 = $src1$$Register;
  9842      Register src2 = $src2$$Register;
  9843      Register src3 = $src3$$Register;
  9844      Register dst  = $dst$$Register;
  9846      __ mtlo(src3);
  9847      __ madd(src1, src2);
  9848      __ mflo(dst);
  9849   %}
  9850   ins_pipe( ialu_mult );
  9851 %}
  9853 instruct divI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2) %{
  9854   match(Set dst (DivI src1 src2));
  9856   ins_cost(300);
  9857   format %{ "div   $dst, $src1, $src2 @ divI_Reg_Reg" %}
  9858   ins_encode %{
  9859      Register src1 = $src1$$Register;
  9860      Register src2 = $src2$$Register;
  9861      Register dst  = $dst$$Register;
  9863     /* 2012/4/21 Jin: In MIPS, div does not cause exception.
  9864        We must trap an exception manually. */   
  9865     __ teq(R0, src2, 0x7);
  9867     if (UseLoongsonISA) {
  9868       __ gsdiv(dst, src1, src2);
  9869     } else {
  9870       __ div(src1, src2);
  9872       __ nop();
  9873       __ nop();
  9874       __ mflo(dst);
  9876   %}
  9877   ins_pipe( ialu_mod );
  9878 %}
  9880 instruct divF_Reg_Reg(regF dst, regF src1, regF src2) %{
  9881   match(Set dst (DivF src1 src2));
  9883   ins_cost(300);
  9884   format %{ "divF   $dst, $src1, $src2 @ divF_Reg_Reg" %}
  9885   ins_encode %{
  9886      FloatRegister src1 = $src1$$FloatRegister;
  9887      FloatRegister src2 = $src2$$FloatRegister;
  9888      FloatRegister dst  = $dst$$FloatRegister;
  9890     /* Here do we need to trap an exception manually ? */   
  9891     __ div_s(dst, src1, src2);
  9892   %}
  9893   ins_pipe( pipe_slow );
  9894 %}
  9896 instruct divD_Reg_Reg(regD dst, regD src1, regD src2) %{
  9897   match(Set dst (DivD src1 src2));
  9899   ins_cost(300);
  9900   format %{ "divD   $dst, $src1, $src2 @ divD_Reg_Reg" %}
  9901   ins_encode %{
  9902      FloatRegister src1 = $src1$$FloatRegister;
  9903      FloatRegister src2 = $src2$$FloatRegister;
  9904      FloatRegister dst  = $dst$$FloatRegister;
  9906     /* Here do we need to trap an exception manually ? */   
  9907     __ div_d(dst, src1, src2);
  9908   %}
  9909   ins_pipe( pipe_slow );
  9910 %}
  9912 instruct mulL_reg_reg(mRegL dst, mRegL src1, mRegL src2) %{
  9913   match(Set dst (MulL src1 src2));
  9914   format %{ "mulL  $dst, $src1, $src2 @mulL_reg_reg" %}
  9915   ins_encode %{
  9916     Register dst = as_Register($dst$$reg);
  9917     Register op1 = as_Register($src1$$reg);
  9918     Register op2 = as_Register($src2$$reg);
  9920     if (UseLoongsonISA) {
  9921       __ gsdmult(dst, op1, op2);
  9922     } else {
  9923       __ dmult(op1, op2);
  9924       __ mflo(dst);
  9926   %}
  9927   ins_pipe( pipe_slow );
  9928 %}
  9930 instruct mulL_reg_regI2L(mRegL dst, mRegL src1, mRegI src2) %{
  9931   match(Set dst (MulL src1 (ConvI2L src2)));
  9932   format %{ "mulL  $dst, $src1, $src2 @mulL_reg_regI2L" %}
  9933   ins_encode %{
  9934     Register dst = as_Register($dst$$reg);
  9935     Register op1 = as_Register($src1$$reg);
  9936     Register op2 = as_Register($src2$$reg);
  9938     if (UseLoongsonISA) {
  9939       __ gsdmult(dst, op1, op2);
  9940     } else {
  9941       __ dmult(op1, op2);
  9942       __ mflo(dst);
  9944   %}
  9945   ins_pipe( pipe_slow );
  9946 %}
  9948 instruct divL_reg_reg(mRegL dst, mRegL src1, mRegL src2) %{
  9949   match(Set dst (DivL src1 src2));
  9950   format %{ "divL  $dst, $src1, $src2 @divL_reg_reg" %}
  9952   ins_encode %{
  9953     Register dst = as_Register($dst$$reg);
  9954     Register op1 = as_Register($src1$$reg);
  9955     Register op2 = as_Register($src2$$reg);
  9957     if (UseLoongsonISA) {
  9958       __ gsddiv(dst, op1, op2);
  9959     } else {
  9960       __ ddiv(op1, op2);
  9961       __ mflo(dst);
  9963   %}
  9964   ins_pipe( pipe_slow );
  9965 %}
  9967 instruct addF_reg_reg(regF dst, regF src1, regF src2) %{
  9968   match(Set dst (AddF src1 src2));
  9969   format %{ "AddF  $dst, $src1, $src2 @addF_reg_reg" %}
  9970   ins_encode %{
  9971     FloatRegister src1 = as_FloatRegister($src1$$reg);
  9972     FloatRegister src2 = as_FloatRegister($src2$$reg);
  9973     FloatRegister dst  = as_FloatRegister($dst$$reg);
  9975     __ add_s(dst, src1, src2);  
  9976   %}
  9977   ins_pipe( fpu_regF_regF );
  9978 %}
  9980 instruct subF_reg_reg(regF dst, regF src1, regF src2) %{
  9981   match(Set dst (SubF src1 src2));
  9982   format %{ "SubF  $dst, $src1, $src2 @subF_reg_reg" %}
  9983   ins_encode %{
  9984     FloatRegister src1 = as_FloatRegister($src1$$reg);
  9985     FloatRegister src2 = as_FloatRegister($src2$$reg);
  9986     FloatRegister dst  = as_FloatRegister($dst$$reg);
  9988     __ sub_s(dst, src1, src2);  
  9989   %}
  9990   ins_pipe( fpu_regF_regF );
  9991 %}
  9992 instruct addD_reg_reg(regD dst, regD src1, regD src2) %{
  9993   match(Set dst (AddD src1 src2));
  9994   format %{ "AddD  $dst, $src1, $src2 @addD_reg_reg" %}
  9995   ins_encode %{
  9996     FloatRegister src1 = as_FloatRegister($src1$$reg);
  9997     FloatRegister src2 = as_FloatRegister($src2$$reg);
  9998     FloatRegister dst  = as_FloatRegister($dst$$reg);
 10000     __ add_d(dst, src1, src2);  
 10001   %}
 10002   ins_pipe( fpu_regF_regF );
 10003 %}
 10005 instruct subD_reg_reg(regD dst, regD src1, regD src2) %{
 10006   match(Set dst (SubD src1 src2));
 10007   format %{ "SubD  $dst, $src1, $src2 @subD_reg_reg" %}
 10008   ins_encode %{
 10009     FloatRegister src1 = as_FloatRegister($src1$$reg);
 10010     FloatRegister src2 = as_FloatRegister($src2$$reg);
 10011     FloatRegister dst  = as_FloatRegister($dst$$reg);
 10013     __ sub_d(dst, src1, src2);  
 10014   %}
 10015   ins_pipe( fpu_regF_regF );
 10016 %}
 10018 instruct negF_reg(regF dst, regF src) %{
 10019   match(Set dst (NegF src));
 10020   format %{ "negF  $dst, $src @negF_reg" %}
 10021   ins_encode %{
 10022     FloatRegister src = as_FloatRegister($src$$reg);
 10023     FloatRegister dst = as_FloatRegister($dst$$reg);
 10025     __ neg_s(dst, src);
 10026   %}
 10027   ins_pipe( fpu_regF_regF );
 10028 %}
 10030 instruct negD_reg(regD dst, regD src) %{
 10031   match(Set dst (NegD src));
 10032   format %{ "negD  $dst, $src @negD_reg" %}
 10033   ins_encode %{
 10034     FloatRegister src = as_FloatRegister($src$$reg);
 10035     FloatRegister dst = as_FloatRegister($dst$$reg);
 10037     __ neg_d(dst, src);  
 10038   %}
 10039   ins_pipe( fpu_regF_regF );
 10040 %}
 10043 instruct mulF_reg_reg(regF dst, regF src1, regF src2) %{
 10044   match(Set dst (MulF src1 src2));
 10045   format %{ "MULF  $dst, $src1, $src2 @mulF_reg_reg" %}
 10046   ins_encode %{
 10047     FloatRegister src1 = $src1$$FloatRegister;
 10048     FloatRegister src2 = $src2$$FloatRegister;
 10049     FloatRegister dst  = $dst$$FloatRegister;
 10051     __ mul_s(dst, src1, src2);  
 10052   %}
 10053   ins_pipe( fpu_regF_regF );
 10054 %}
 10056 instruct maddF_reg_reg(regF dst, regF src1, regF src2, regF src3) %{
 10057   match(Set dst (AddF (MulF src1 src2) src3));
 10058   // For compatibility reason (e.g. on the Loongson platform), disable this guy.
 10059   ins_cost(44444);
 10060   format %{ "maddF  $dst, $src1, $src2, $src3 @maddF_reg_reg" %}
 10061   ins_encode %{
 10062     FloatRegister src1 = $src1$$FloatRegister;
 10063     FloatRegister src2 = $src2$$FloatRegister;
 10064     FloatRegister src3 = $src3$$FloatRegister;
 10065     FloatRegister dst  = $dst$$FloatRegister;
 10067     __ madd_s(dst, src1, src2, src3);  
 10068   %}
 10069   ins_pipe( fpu_regF_regF );
 10070 %}
 10072 // Mul two double precision floating piont number
 10073 instruct mulD_reg_reg(regD dst, regD src1, regD src2) %{
 10074   match(Set dst (MulD src1 src2));
 10075   format %{ "MULD  $dst, $src1, $src2 @mulD_reg_reg" %}
 10076   ins_encode %{
 10077     FloatRegister src1 = $src1$$FloatRegister;
 10078     FloatRegister src2 = $src2$$FloatRegister;
 10079     FloatRegister dst  = $dst$$FloatRegister;
 10081     __ mul_d(dst, src1, src2);  
 10082   %}
 10083   ins_pipe( fpu_regF_regF );
 10084 %}
 10086 instruct maddD_reg_reg(regD dst, regD src1, regD src2, regD src3) %{
 10087   match(Set dst (AddD (MulD src1 src2) src3));
 10088   // For compatibility reason (e.g. on the Loongson platform), disable this guy.
 10089   ins_cost(44444);
 10090   format %{ "maddD  $dst, $src1, $src2, $src3 @maddD_reg_reg" %}
 10091   ins_encode %{
 10092     FloatRegister src1 = $src1$$FloatRegister;
 10093     FloatRegister src2 = $src2$$FloatRegister;
 10094     FloatRegister src3 = $src3$$FloatRegister;
 10095     FloatRegister dst  = $dst$$FloatRegister;
 10097     __ madd_d(dst, src1, src2, src3);  
 10098   %}
 10099   ins_pipe( fpu_regF_regF );
 10100 %}
 10102 instruct absF_reg(regF dst, regF src) %{
 10103   match(Set dst (AbsF src));
 10104   ins_cost(100);
 10105   format %{ "absF  $dst, $src @absF_reg" %}
 10106   ins_encode %{
 10107     FloatRegister src = as_FloatRegister($src$$reg);
 10108     FloatRegister dst = as_FloatRegister($dst$$reg);
 10110     __ abs_s(dst, src);  
 10111   %}
 10112   ins_pipe( fpu_regF_regF );
 10113 %}
 10116 // intrinsics for math_native.
 10117 // AbsD  SqrtD  CosD  SinD  TanD  LogD  Log10D
 10119 instruct absD_reg(regD dst, regD src) %{
 10120   match(Set dst (AbsD src));
 10121   ins_cost(100);
 10122   format %{ "absD  $dst, $src @absD_reg" %}
 10123   ins_encode %{
 10124     FloatRegister src = as_FloatRegister($src$$reg);
 10125     FloatRegister dst = as_FloatRegister($dst$$reg);
 10127     __ abs_d(dst, src);  
 10128   %}
 10129   ins_pipe( fpu_regF_regF );
 10130 %}
 10132 instruct sqrtD_reg(regD dst, regD src) %{
 10133   match(Set dst (SqrtD src));
 10134   ins_cost(100);
 10135   format %{ "SqrtD  $dst, $src @sqrtD_reg" %}
 10136   ins_encode %{
 10137     FloatRegister src = as_FloatRegister($src$$reg);
 10138     FloatRegister dst = as_FloatRegister($dst$$reg);
 10140     __ sqrt_d(dst, src);  
 10141   %}
 10142   ins_pipe( fpu_regF_regF );
 10143 %}
 10145 instruct sqrtF_reg(regF dst, regF src) %{
 10146   match(Set dst (ConvD2F (SqrtD (ConvF2D src))));
 10147   ins_cost(100);
 10148   format %{ "SqrtF  $dst, $src @sqrtF_reg" %}
 10149   ins_encode %{
 10150     FloatRegister src = as_FloatRegister($src$$reg);
 10151     FloatRegister dst = as_FloatRegister($dst$$reg);
 10153     __ sqrt_s(dst, src);
 10154   %}
 10155   ins_pipe( fpu_regF_regF );
 10156 %}
 10157 //----------------------------------Logical Instructions----------------------
 10158 //__________________________________Integer Logical Instructions-------------
 10160 //And Instuctions
 10161 // And Register with Immediate
 10162 instruct andI_Reg_immI(mRegI dst, mRegI src1,  immI src2) %{
 10163   match(Set dst (AndI src1 src2));
 10165   format %{ "and  $dst, $src1, $src2 #@andI_Reg_immI" %}
 10166   ins_encode %{
 10167     Register dst = $dst$$Register;
 10168     Register src = $src1$$Register;
 10169     int      val = $src2$$constant;
 10171        __ move(AT, val);
 10172        __ andr(dst, src, AT);
 10173   %}
 10174   ins_pipe( ialu_regI_regI );
 10175 %}
 10177 instruct andI_Reg_imm_0_65535(mRegI dst, mRegI src1,  immI_0_65535 src2) %{
 10178   match(Set dst (AndI src1 src2));
 10179   ins_cost(60);
 10181   format %{ "and  $dst, $src1, $src2 #@andI_Reg_imm_0_65535" %}
 10182   ins_encode %{
 10183     Register dst = $dst$$Register;
 10184     Register src = $src1$$Register;
 10185     int      val = $src2$$constant;
 10187        __ andi(dst, src, val);
 10188   %}
 10189   ins_pipe( ialu_regI_regI );
 10190 %}
 10192 instruct andI_Reg_immI_nonneg_mask(mRegI dst, mRegI src1,  immI_nonneg_mask mask) %{
 10193   match(Set dst (AndI src1 mask));
 10194   ins_cost(60);
 10196   format %{ "and  $dst, $src1, $mask #@andI_Reg_immI_nonneg_mask" %}
 10197   ins_encode %{
 10198     Register dst = $dst$$Register;
 10199     Register src = $src1$$Register;
 10200     int     size = Assembler::is_int_mask($mask$$constant);
 10202     __ ext(dst, src, 0, size);
 10203   %}
 10204   ins_pipe( ialu_regI_regI );
 10205 %}
 10207 instruct andL_Reg_immL_nonneg_mask(mRegL dst, mRegL src1,  immL_nonneg_mask mask) %{
 10208   match(Set dst (AndL src1 mask));
 10209   ins_cost(60);
 10211   format %{ "and  $dst, $src1, $mask #@andL_Reg_immL_nonneg_mask" %}
 10212   ins_encode %{
 10213     Register dst = $dst$$Register;
 10214     Register src = $src1$$Register;
 10215     int     size = Assembler::is_jlong_mask($mask$$constant);
 10217     __ dext(dst, src, 0, size);
 10218   %}
 10219   ins_pipe( ialu_regI_regI );
 10220 %}
 10222 instruct xorI_Reg_imm_0_65535(mRegI dst, mRegI src1,  immI_0_65535 src2) %{
 10223   match(Set dst (XorI src1 src2));
 10224   ins_cost(60);
 10226   format %{ "xori  $dst, $src1, $src2 #@xorI_Reg_imm_0_65535" %}
 10227   ins_encode %{
 10228     Register dst = $dst$$Register;
 10229     Register src = $src1$$Register;
 10230     int      val = $src2$$constant;
 10232        __ xori(dst, src, val);
 10233   %}
 10234   ins_pipe( ialu_regI_regI );
 10235 %}
 10237 instruct xorI_Reg_immI_M1(mRegI dst, mRegI src1,  immI_M1 M1) %{
 10238   match(Set dst (XorI src1 M1));
 10239   predicate(UseLoongsonISA && Use3A2000);
 10240   ins_cost(60);
 10242   format %{ "xor  $dst, $src1, $M1 #@xorI_Reg_immI_M1" %}
 10243   ins_encode %{
 10244     Register dst = $dst$$Register;
 10245     Register src = $src1$$Register;
 10247        __ gsorn(dst, R0, src);
 10248   %}
 10249   ins_pipe( ialu_regI_regI );
 10250 %}
 10252 instruct xorL2I_Reg_immI_M1(mRegI dst, mRegL src1,  immI_M1 M1) %{
 10253   match(Set dst (XorI (ConvL2I src1) M1));
 10254   predicate(UseLoongsonISA && Use3A2000);
 10255   ins_cost(60);
 10257   format %{ "xor  $dst, $src1, $M1 #@xorL2I_Reg_immI_M1" %}
 10258   ins_encode %{
 10259     Register dst = $dst$$Register;
 10260     Register src = $src1$$Register;
 10262        __ gsorn(dst, R0, src);
 10263   %}
 10264   ins_pipe( ialu_regI_regI );
 10265 %}
 10267 instruct xorL_Reg_imm_0_65535(mRegL dst, mRegL src1,  immL_0_65535 src2) %{
 10268   match(Set dst (XorL src1 src2));
 10269   ins_cost(60);
 10271   format %{ "xori  $dst, $src1, $src2 #@xorL_Reg_imm_0_65535" %}
 10272   ins_encode %{
 10273     Register dst = $dst$$Register;
 10274     Register src = $src1$$Register;
 10275     int      val = $src2$$constant;
 10277        __ xori(dst, src, val);
 10278   %}
 10279   ins_pipe( ialu_regI_regI );
 10280 %}
 10282 /*
 10283 instruct xorL_Reg_immL_M1(mRegL dst, mRegL src1,  immL_M1 M1) %{
 10284   match(Set dst (XorL src1 M1));
 10285   predicate(UseLoongsonISA);
 10286   ins_cost(60);
 10288   format %{ "xor  $dst, $src1, $M1 #@xorL_Reg_immL_M1" %}
 10289   ins_encode %{
 10290     Register dst = $dst$$Register;
 10291     Register src = $src1$$Register;
 10293        __ gsorn(dst, R0, src);
 10294   %}
 10295   ins_pipe( ialu_regI_regI );
 10296 %}
 10297 */
 10299 instruct lbu_and_lmask(mRegI dst, memory mem,  immI_255 mask) %{
 10300   match(Set dst (AndI mask (LoadB mem)));
 10301   ins_cost(60);
 10303   format %{ "lhu  $dst, $mem #@lbu_and_lmask" %}
 10304   ins_encode(load_UB_enc(dst, mem));
 10305   ins_pipe( ialu_loadI );
 10306 %}
 10308 instruct lbu_and_rmask(mRegI dst, memory mem,  immI_255 mask) %{
 10309   match(Set dst (AndI (LoadB mem) mask));
 10310   ins_cost(60);
 10312   format %{ "lhu  $dst, $mem #@lbu_and_rmask" %}
 10313   ins_encode(load_UB_enc(dst, mem));
 10314   ins_pipe( ialu_loadI );
 10315 %}
 10317 instruct andI_Reg_Reg(mRegI dst, mRegI src1,  mRegI src2) %{
 10318   match(Set dst (AndI src1 src2));
 10320   format %{ "and    $dst, $src1, $src2 #@andI_Reg_Reg" %}
 10321   ins_encode %{
 10322     Register dst = $dst$$Register;
 10323     Register src1 = $src1$$Register;
 10324     Register src2 = $src2$$Register;
 10325     __ andr(dst, src1, src2);
 10326   %}
 10327   ins_pipe( ialu_regI_regI );
 10328 %}
 10330 instruct andnI_Reg_nReg(mRegI dst, mRegI src1,  mRegI src2, immI_M1 M1) %{
 10331   match(Set dst (AndI src1 (XorI src2 M1)));
 10332   predicate(UseLoongsonISA && Use3A2000);
 10334   format %{ "andn   $dst, $src1, $src2 #@andnI_Reg_nReg" %}
 10335   ins_encode %{
 10336     Register dst = $dst$$Register;
 10337     Register src1 = $src1$$Register;
 10338     Register src2 = $src2$$Register;
 10340     __ gsandn(dst, src1, src2);
 10341   %}
 10342   ins_pipe( ialu_regI_regI );
 10343 %}
 10345 instruct ornI_Reg_nReg(mRegI dst, mRegI src1,  mRegI src2, immI_M1 M1) %{
 10346   match(Set dst (OrI src1 (XorI src2 M1)));
 10347   predicate(UseLoongsonISA && Use3A2000);
 10349   format %{ "orn    $dst, $src1, $src2 #@ornI_Reg_nReg" %}
 10350   ins_encode %{
 10351     Register dst = $dst$$Register;
 10352     Register src1 = $src1$$Register;
 10353     Register src2 = $src2$$Register;
 10355     __ gsorn(dst, src1, src2);
 10356   %}
 10357   ins_pipe( ialu_regI_regI );
 10358 %}
 10360 instruct andnI_nReg_Reg(mRegI dst, mRegI src1,  mRegI src2, immI_M1 M1) %{
 10361   match(Set dst (AndI (XorI src1 M1) src2));
 10362   predicate(UseLoongsonISA && Use3A2000);
 10364   format %{ "andn   $dst, $src2, $src1 #@andnI_nReg_Reg" %}
 10365   ins_encode %{
 10366     Register dst = $dst$$Register;
 10367     Register src1 = $src1$$Register;
 10368     Register src2 = $src2$$Register;
 10370     __ gsandn(dst, src2, src1);
 10371   %}
 10372   ins_pipe( ialu_regI_regI );
 10373 %}
 10375 instruct ornI_nReg_Reg(mRegI dst, mRegI src1,  mRegI src2, immI_M1 M1) %{
 10376   match(Set dst (OrI (XorI src1 M1) src2));
 10377   predicate(UseLoongsonISA && Use3A2000);
 10379   format %{ "orn    $dst, $src2, $src1 #@ornI_nReg_Reg" %}
 10380   ins_encode %{
 10381     Register dst = $dst$$Register;
 10382     Register src1 = $src1$$Register;
 10383     Register src2 = $src2$$Register;
 10385     __ gsorn(dst, src2, src1);
 10386   %}
 10387   ins_pipe( ialu_regI_regI );
 10388 %}
 10390 // And Long Register with Register
 10391 instruct andL_Reg_Reg(mRegL dst, mRegL src1, mRegL src2) %{
 10392   match(Set dst (AndL src1 src2));
 10393   format %{ "AND    $dst, $src1, $src2 @ andL_Reg_Reg\n\t" %}
 10394   ins_encode %{
 10395     Register dst_reg = as_Register($dst$$reg);
 10396     Register src1_reg = as_Register($src1$$reg);
 10397     Register src2_reg = as_Register($src2$$reg);
 10399     __ andr(dst_reg, src1_reg, src2_reg);
 10400   %}
 10401   ins_pipe( ialu_regL_regL );
 10402 %}
 10404 instruct andL_Reg_Reg_convI2L(mRegL dst, mRegL src1, mRegI src2) %{
 10405   match(Set dst (AndL src1 (ConvI2L src2)));
 10406   format %{ "AND    $dst, $src1, $src2 @ andL_Reg_Reg_convI2L\n\t" %}
 10407   ins_encode %{
 10408     Register dst_reg = as_Register($dst$$reg);
 10409     Register src1_reg = as_Register($src1$$reg);
 10410     Register src2_reg = as_Register($src2$$reg);
 10412     __ andr(dst_reg, src1_reg, src2_reg);
 10413   %}
 10414   ins_pipe( ialu_regL_regL );
 10415 %}
 10417 instruct andL_Reg_imm_0_65535(mRegL dst, mRegL src1,  immL_0_65535 src2) %{
 10418   match(Set dst (AndL src1 src2));
 10419   ins_cost(60);
 10421   format %{ "and  $dst, $src1, $src2 #@andL_Reg_imm_0_65535" %}
 10422   ins_encode %{
 10423     Register dst = $dst$$Register;
 10424     Register src = $src1$$Register;
 10425     long     val = $src2$$constant;
 10427        __ andi(dst, src, val);
 10428   %}
 10429   ins_pipe( ialu_regI_regI );
 10430 %}
 10432 instruct andL2I_Reg_imm_0_65535(mRegI dst, mRegL src1,  immL_0_65535 src2) %{
 10433   match(Set dst (ConvL2I (AndL src1 src2)));
 10434   ins_cost(60);
 10436   format %{ "and  $dst, $src1, $src2 #@andL2I_Reg_imm_0_65535" %}
 10437   ins_encode %{
 10438     Register dst = $dst$$Register;
 10439     Register src = $src1$$Register;
 10440     long     val = $src2$$constant;
 10442        __ andi(dst, src, val);
 10443   %}
 10444   ins_pipe( ialu_regI_regI );
 10445 %}
 10447 /*
 10448 instruct andnL_Reg_nReg(mRegL dst, mRegL src1,  mRegL src2, immL_M1 M1) %{
 10449   match(Set dst (AndL src1 (XorL src2 M1)));
 10450   predicate(UseLoongsonISA);
 10452   format %{ "andn   $dst, $src1, $src2 #@andnL_Reg_nReg" %}
 10453   ins_encode %{
 10454     Register dst = $dst$$Register;
 10455     Register src1 = $src1$$Register;
 10456     Register src2 = $src2$$Register;
 10458     __ gsandn(dst, src1, src2);
 10459   %}
 10460   ins_pipe( ialu_regI_regI );
 10461 %}
 10462 */
 10464 /*
 10465 instruct ornL_Reg_nReg(mRegL dst, mRegL src1,  mRegL src2, immL_M1 M1) %{
 10466   match(Set dst (OrL src1 (XorL src2 M1)));
 10467   predicate(UseLoongsonISA);
 10469   format %{ "orn    $dst, $src1, $src2 #@ornL_Reg_nReg" %}
 10470   ins_encode %{
 10471     Register dst = $dst$$Register;
 10472     Register src1 = $src1$$Register;
 10473     Register src2 = $src2$$Register;
 10475     __ gsorn(dst, src1, src2);
 10476   %}
 10477   ins_pipe( ialu_regI_regI );
 10478 %}
 10479 */
 10481 /*
 10482 instruct andnL_nReg_Reg(mRegL dst, mRegL src1,  mRegL src2, immL_M1 M1) %{
 10483   match(Set dst (AndL (XorL src1 M1) src2));
 10484   predicate(UseLoongsonISA);
 10486   format %{ "andn   $dst, $src2, $src1 #@andnL_nReg_Reg" %}
 10487   ins_encode %{
 10488     Register dst = $dst$$Register;
 10489     Register src1 = $src1$$Register;
 10490     Register src2 = $src2$$Register;
 10492     __ gsandn(dst, src2, src1);
 10493   %}
 10494   ins_pipe( ialu_regI_regI );
 10495 %}
 10496 */
 10498 /*
 10499 instruct ornL_nReg_Reg(mRegL dst, mRegL src1,  mRegL src2, immL_M1 M1) %{
 10500   match(Set dst (OrL (XorL src1 M1) src2));
 10501   predicate(UseLoongsonISA);
 10503   format %{ "orn    $dst, $src2, $src1 #@ornL_nReg_Reg" %}
 10504   ins_encode %{
 10505     Register dst = $dst$$Register;
 10506     Register src1 = $src1$$Register;
 10507     Register src2 = $src2$$Register;
 10509     __ gsorn(dst, src2, src1);
 10510   %}
 10511   ins_pipe( ialu_regI_regI );
 10512 %}
 10513 */
 10515 instruct andL_Reg_immL_M8(mRegL dst,  immL_M8 M8) %{
 10516   match(Set dst (AndL dst M8));
 10517   ins_cost(60);
 10519   format %{ "and  $dst, $dst, $M8 #@andL_Reg_immL_M8" %}
 10520   ins_encode %{
 10521     Register dst = $dst$$Register;
 10523     __ dins(dst, R0, 0, 3);
 10524   %}
 10525   ins_pipe( ialu_regI_regI );
 10526 %}
 10528 instruct andL_Reg_immL_M5(mRegL dst,  immL_M5 M5) %{
 10529   match(Set dst (AndL dst M5));
 10530   ins_cost(60);
 10532   format %{ "and  $dst, $dst, $M5 #@andL_Reg_immL_M5" %}
 10533   ins_encode %{
 10534     Register dst = $dst$$Register;
 10536     __ dins(dst, R0, 2, 1);
 10537   %}
 10538   ins_pipe( ialu_regI_regI );
 10539 %}
 10541 instruct andL_Reg_immL_M7(mRegL dst,  immL_M7 M7) %{
 10542   match(Set dst (AndL dst M7));
 10543   ins_cost(60);
 10545   format %{ "and  $dst, $dst, $M7 #@andL_Reg_immL_M7" %}
 10546   ins_encode %{
 10547     Register dst = $dst$$Register;
 10549     __ dins(dst, R0, 1, 2);
 10550   %}
 10551   ins_pipe( ialu_regI_regI );
 10552 %}
 10554 instruct andL_Reg_immL_M4(mRegL dst,  immL_M4 M4) %{
 10555   match(Set dst (AndL dst M4));
 10556   ins_cost(60);
 10558   format %{ "and  $dst, $dst, $M4 #@andL_Reg_immL_M4" %}
 10559   ins_encode %{
 10560     Register dst = $dst$$Register;
 10562     __ dins(dst, R0, 0, 2);
 10563   %}
 10564   ins_pipe( ialu_regI_regI );
 10565 %}
 10567 instruct andL_Reg_immL_M121(mRegL dst,  immL_M121 M121) %{
 10568   match(Set dst (AndL dst M121));
 10569   ins_cost(60);
 10571   format %{ "and  $dst, $dst, $M121 #@andL_Reg_immL_M121" %}
 10572   ins_encode %{
 10573     Register dst = $dst$$Register;
 10575     __ dins(dst, R0, 3, 4);
 10576   %}
 10577   ins_pipe( ialu_regI_regI );
 10578 %}
 10580 // Or Long Register with Register
 10581 instruct orL_Reg_Reg(mRegL dst, mRegL src1, mRegL src2) %{
 10582   match(Set dst (OrL src1 src2));
 10583   format %{ "OR    $dst, $src1, $src2 @ orL_Reg_Reg\t" %}
 10584   ins_encode %{
 10585     Register dst_reg  = $dst$$Register;
 10586     Register src1_reg = $src1$$Register;
 10587     Register src2_reg = $src2$$Register;
 10589     __ orr(dst_reg, src1_reg, src2_reg);
 10590   %}
 10591   ins_pipe( ialu_regL_regL );
 10592 %}
 10594 instruct orL_Reg_P2XReg(mRegL dst, mRegP src1, mRegL src2) %{
 10595   match(Set dst (OrL (CastP2X src1) src2));
 10596   format %{ "OR    $dst, $src1, $src2 @ orL_Reg_P2XReg\t" %}
 10597   ins_encode %{
 10598     Register dst_reg  = $dst$$Register;
 10599     Register src1_reg = $src1$$Register;
 10600     Register src2_reg = $src2$$Register;
 10602     __ orr(dst_reg, src1_reg, src2_reg);
 10603   %}
 10604   ins_pipe( ialu_regL_regL );
 10605 %}
 10607 // Xor Long Register with Register
 10608 instruct xorL_Reg_Reg(mRegL dst, mRegL src1, mRegL src2) %{
 10609   match(Set dst (XorL src1 src2));
 10610   format %{ "XOR    $dst, $src1, $src2 @ xorL_Reg_Reg\t" %}
 10611   ins_encode %{
 10612     Register dst_reg = as_Register($dst$$reg);
 10613     Register src1_reg = as_Register($src1$$reg);
 10614     Register src2_reg = as_Register($src2$$reg);
 10616     __ xorr(dst_reg, src1_reg, src2_reg);
 10617   %}
 10618   ins_pipe( ialu_regL_regL );
 10619 %}
 10621 // Shift Left by 8-bit immediate
 10622 instruct salI_Reg_imm(mRegI dst, mRegI src, immI8 shift) %{
 10623   match(Set dst (LShiftI src shift));
 10625   format %{ "SHL    $dst, $src, $shift #@salI_Reg_imm" %}
 10626   ins_encode %{
 10627     Register src = $src$$Register;
 10628     Register dst = $dst$$Register;
 10629     int    shamt = $shift$$constant;
 10631     __ sll(dst, src, shamt);
 10632   %}
 10633   ins_pipe( ialu_regI_regI );
 10634 %}
 10636 instruct salL2I_Reg_imm(mRegI dst, mRegL src, immI8 shift) %{
 10637   match(Set dst (LShiftI (ConvL2I src) shift));
 10639   format %{ "SHL    $dst, $src, $shift #@salL2I_Reg_imm" %}
 10640   ins_encode %{
 10641     Register src = $src$$Register;
 10642     Register dst = $dst$$Register;
 10643     int    shamt = $shift$$constant;
 10645     __ sll(dst, src, shamt);
 10646   %}
 10647   ins_pipe( ialu_regI_regI );
 10648 %}
 10650 instruct salI_Reg_imm_and_M65536(mRegI dst, mRegI src, immI_16 shift, immI_M65536 mask) %{
 10651   match(Set dst (AndI (LShiftI src shift) mask));
 10653   format %{ "SHL    $dst, $src, $shift #@salI_Reg_imm_and_M65536" %}
 10654   ins_encode %{
 10655     Register src = $src$$Register;
 10656     Register dst = $dst$$Register;
 10658     __ sll(dst, src, 16);
 10659   %}
 10660   ins_pipe( ialu_regI_regI );
 10661 %}
 10663 instruct land7_2_s(mRegI dst, mRegL src, immL7 seven, immI_16 sixteen)
 10664 %{
 10665   match(Set dst (RShiftI (LShiftI (ConvL2I (AndL src seven)) sixteen) sixteen));
 10667   format %{ "andi  $dst, $src, 7\t# @land7_2_s" %}
 10668   ins_encode %{
 10669     Register src = $src$$Register;
 10670     Register dst = $dst$$Register;
 10672     __ andi(dst, src, 7);
 10673   %}
 10674   ins_pipe(ialu_regI_regI);
 10675 %}
 10677 instruct ori2s(mRegI dst, mRegI src1, immI_0_32767 src2, immI_16 sixteen)
 10678 %{
 10679   match(Set dst (RShiftI (LShiftI (OrI src1 src2) sixteen) sixteen));
 10681   format %{ "ori  $dst, $src1, $src2\t# @ori2s" %}
 10682   ins_encode %{
 10683     Register src = $src1$$Register;
 10684     int      val = $src2$$constant;
 10685     Register dst = $dst$$Register;
 10687     __ ori(dst, src, val);
 10688   %}
 10689   ins_pipe(ialu_regI_regI);
 10690 %}
 10692 // Logical Shift Right by 16, followed by Arithmetic Shift Left by 16.
 10693 // This idiom is used by the compiler the i2s bytecode.
 10694 instruct i2s(mRegI dst, mRegI src, immI_16 sixteen)
 10695 %{
 10696   match(Set dst (RShiftI (LShiftI src sixteen) sixteen));
 10698   format %{ "i2s  $dst, $src\t# @i2s" %}
 10699   ins_encode %{
 10700     Register src = $src$$Register;
 10701     Register dst = $dst$$Register;
 10703     __ seh(dst, src);
 10704   %}
 10705   ins_pipe(ialu_regI_regI);
 10706 %}
 10708 // Logical Shift Right by 24, followed by Arithmetic Shift Left by 24.
 10709 // This idiom is used by the compiler for the i2b bytecode.
 10710 instruct i2b(mRegI dst, mRegI src, immI_24 twentyfour)
 10711 %{
 10712   match(Set dst (RShiftI (LShiftI src twentyfour) twentyfour));
 10714   format %{ "i2b  $dst, $src\t# @i2b" %}
 10715   ins_encode %{
 10716     Register src = $src$$Register;
 10717     Register dst = $dst$$Register;
 10719     __ seb(dst, src);
 10720   %}
 10721   ins_pipe(ialu_regI_regI);
 10722 %}
 10725 instruct salI_RegL2I_imm(mRegI dst, mRegL src, immI8 shift) %{
 10726   match(Set dst (LShiftI (ConvL2I src) shift));
 10728   format %{ "SHL    $dst, $src, $shift #@salI_RegL2I_imm" %}
 10729   ins_encode %{
 10730     Register src = $src$$Register;
 10731     Register dst = $dst$$Register;
 10732     int    shamt = $shift$$constant;
 10734     __ sll(dst, src, shamt);
 10735   %}
 10736   ins_pipe( ialu_regI_regI );
 10737 %}
 10739 // Shift Left by 8-bit immediate
 10740 instruct salI_Reg_Reg(mRegI dst, mRegI src, mRegI shift) %{
 10741   match(Set dst (LShiftI src shift));
 10743   format %{ "SHL    $dst, $src, $shift #@salI_Reg_Reg" %}
 10744   ins_encode %{
 10745     Register src = $src$$Register;
 10746     Register dst = $dst$$Register;
 10747     Register shamt = $shift$$Register;
 10748     __ sllv(dst, src, shamt);
 10749   %}
 10750   ins_pipe( ialu_regI_regI );
 10751 %}
 10754 // Shift Left Long 
 10755 instruct salL_Reg_imm(mRegL dst, mRegL src, immI8 shift) %{
 10756   //predicate(UseNewLongLShift);
 10757   match(Set dst (LShiftL src shift));
 10758   ins_cost(100);
 10759   format %{ "salL    $dst, $src, $shift @ salL_Reg_imm" %}
 10760   ins_encode %{
 10761     Register src_reg = as_Register($src$$reg);
 10762     Register dst_reg = as_Register($dst$$reg);
 10763     int      shamt = $shift$$constant;
 10765     if (__ is_simm(shamt, 5))
 10766         __ dsll(dst_reg, src_reg, shamt);
 10767     else
 10769        int sa = Assembler::low(shamt, 6);
 10770        if (sa < 32) { 
 10771           __ dsll(dst_reg, src_reg, sa);
 10772        } else {
 10773           __ dsll32(dst_reg, src_reg, sa - 32);
 10776   %}
 10777   ins_pipe( ialu_regL_regL );
 10778 %}
 10780 instruct salL_RegI2L_imm(mRegL dst, mRegI src, immI8 shift) %{
 10781   //predicate(UseNewLongLShift);
 10782   match(Set dst (LShiftL (ConvI2L src) shift));
 10783   ins_cost(100);
 10784   format %{ "salL    $dst, $src, $shift @ salL_RegI2L_imm" %}
 10785   ins_encode %{
 10786     Register src_reg = as_Register($src$$reg);
 10787     Register dst_reg = as_Register($dst$$reg);
 10788     int      shamt = $shift$$constant;
 10790     if (__ is_simm(shamt, 5))
 10791         __ dsll(dst_reg, src_reg, shamt);
 10792     else
 10794        int sa = Assembler::low(shamt, 6);
 10795        if (sa < 32) { 
 10796           __ dsll(dst_reg, src_reg, sa);
 10797        } else {
 10798           __ dsll32(dst_reg, src_reg, sa - 32);
 10801   %}
 10802   ins_pipe( ialu_regL_regL );
 10803 %}
 10805 // Shift Left Long 
 10806 instruct salL_Reg_Reg(mRegL dst, mRegL src, mRegI shift) %{
 10807   //predicate(UseNewLongLShift);
 10808   match(Set dst (LShiftL src shift));
 10809   ins_cost(100);
 10810   format %{ "salL    $dst, $src, $shift @ salL_Reg_Reg" %}
 10811   ins_encode %{
 10812     Register src_reg = as_Register($src$$reg);
 10813     Register dst_reg = as_Register($dst$$reg);
 10815     __ dsllv(dst_reg, src_reg, $shift$$Register);
 10816   %}
 10817   ins_pipe( ialu_regL_regL );
 10818 %}
 10820 instruct salL_convI2L_Reg_imm(mRegL dst, mRegI src, immI8 shift) %{
 10821   match(Set dst (LShiftL (ConvI2L src) shift));
 10822   ins_cost(100);
 10823   format %{ "salL    $dst, $src, $shift @ salL_convI2L_Reg_imm" %}
 10824   ins_encode %{
 10825     Register src_reg = as_Register($src$$reg);
 10826     Register dst_reg = as_Register($dst$$reg);
 10827     int      shamt = $shift$$constant;
 10829     if (__ is_simm(shamt, 5)) {
 10830         __ dsll(dst_reg, src_reg, shamt);
 10831     } else {
 10832        int sa = Assembler::low(shamt, 6);
 10833        if (sa < 32) { 
 10834           __ dsll(dst_reg, src_reg, sa);
 10835        } else {
 10836           __ dsll32(dst_reg, src_reg, sa - 32);
 10839   %}
 10840   ins_pipe( ialu_regL_regL );
 10841 %}
 10843 // Shift Right Long 
 10844 instruct sarL_Reg_imm(mRegL dst, mRegL src, immI8 shift) %{
 10845   match(Set dst (RShiftL src shift));
 10846   ins_cost(100);
 10847   format %{ "sarL    $dst, $src, $shift @ sarL_Reg_imm" %}
 10848   ins_encode %{
 10849     Register src_reg = as_Register($src$$reg);
 10850     Register dst_reg = as_Register($dst$$reg);
 10851     int      shamt = ($shift$$constant & 0x3f);
 10852     if (__  is_simm(shamt, 5))
 10853 	__ dsra(dst_reg, src_reg, shamt);
 10854     else {
 10855         int sa = Assembler::low(shamt, 6);
 10856         if (sa < 32) {
 10857 	   __ dsra(dst_reg, src_reg, sa);
 10858         } else {
 10859 	   __ dsra32(dst_reg, src_reg, sa - 32);
 10862   %}
 10863   ins_pipe( ialu_regL_regL );
 10864 %}
 10866 instruct sarL2I_Reg_immI_32_63(mRegI dst, mRegL src, immI_32_63 shift) %{
 10867   match(Set dst (ConvL2I (RShiftL src shift)));
 10868   ins_cost(100);
 10869   format %{ "sarL    $dst, $src, $shift @ sarL2I_Reg_immI_32_63" %}
 10870   ins_encode %{
 10871     Register src_reg = as_Register($src$$reg);
 10872     Register dst_reg = as_Register($dst$$reg);
 10873     int      shamt   = $shift$$constant;
 10875     __ dsra32(dst_reg, src_reg, shamt - 32);
 10876   %}
 10877   ins_pipe( ialu_regL_regL );
 10878 %}
 10880 // Shift Right Long arithmetically
 10881 instruct sarL_Reg_Reg(mRegL dst, mRegL src, mRegI shift) %{
 10882   //predicate(UseNewLongLShift);
 10883   match(Set dst (RShiftL src shift));
 10884   ins_cost(100);
 10885   format %{ "sarL    $dst, $src, $shift @ sarL_Reg_Reg" %}
 10886   ins_encode %{
 10887     Register src_reg = as_Register($src$$reg);
 10888     Register dst_reg = as_Register($dst$$reg);
 10890     __ dsrav(dst_reg, src_reg, $shift$$Register);
 10891   %}
 10892   ins_pipe( ialu_regL_regL );
 10893 %}
 10895 // Shift Right Long logically
 10896 instruct slrL_Reg_Reg(mRegL dst, mRegL src, mRegI shift) %{
 10897   match(Set dst (URShiftL src shift));
 10898   ins_cost(100);
 10899   format %{ "slrL    $dst, $src, $shift @ slrL_Reg_Reg" %}
 10900   ins_encode %{
 10901     Register src_reg = as_Register($src$$reg);
 10902     Register dst_reg = as_Register($dst$$reg);
 10904     __ dsrlv(dst_reg, src_reg, $shift$$Register);
 10905   %}
 10906   ins_pipe( ialu_regL_regL );
 10907 %}
 10909 instruct slrL_Reg_immI_0_31(mRegL dst, mRegL src, immI_0_31 shift) %{
 10910   match(Set dst (URShiftL src shift));
 10911   ins_cost(80);
 10912   format %{ "slrL    $dst, $src, $shift @ slrL_Reg_immI_0_31" %}
 10913   ins_encode %{
 10914     Register src_reg = as_Register($src$$reg);
 10915     Register dst_reg = as_Register($dst$$reg);
 10916     int        shamt = $shift$$constant;
 10918     __ dsrl(dst_reg, src_reg, shamt);
 10919   %}
 10920   ins_pipe( ialu_regL_regL );
 10921 %}
 10923 instruct slrL_Reg_immI_0_31_and_max_int(mRegI dst, mRegL src, immI_0_31 shift, immI_MaxI max_int) %{
 10924   match(Set dst (AndI (ConvL2I (URShiftL src shift)) max_int));
 10925   ins_cost(80);
 10926   format %{ "dext    $dst, $src, $shift, 31 @ slrL_Reg_immI_0_31_and_max_int" %}
 10927   ins_encode %{
 10928     Register src_reg = as_Register($src$$reg);
 10929     Register dst_reg = as_Register($dst$$reg);
 10930     int        shamt = $shift$$constant;
 10932     __ dext(dst_reg, src_reg, shamt, 31);
 10933   %}
 10934   ins_pipe( ialu_regL_regL );
 10935 %}
 10937 instruct slrL_P2XReg_immI_0_31(mRegL dst, mRegP src, immI_0_31 shift) %{
 10938   match(Set dst (URShiftL (CastP2X src) shift));
 10939   ins_cost(80);
 10940   format %{ "slrL    $dst, $src, $shift @ slrL_P2XReg_immI_0_31" %}
 10941   ins_encode %{
 10942     Register src_reg = as_Register($src$$reg);
 10943     Register dst_reg = as_Register($dst$$reg);
 10944     int        shamt = $shift$$constant;
 10946     __ dsrl(dst_reg, src_reg, shamt);
 10947   %}
 10948   ins_pipe( ialu_regL_regL );
 10949 %}
 10951 instruct slrL_Reg_immI_32_63(mRegL dst, mRegL src, immI_32_63 shift) %{
 10952   match(Set dst (URShiftL src shift));
 10953   ins_cost(80);
 10954   format %{ "slrL    $dst, $src, $shift @ slrL_Reg_immI_32_63" %}
 10955   ins_encode %{
 10956     Register src_reg = as_Register($src$$reg);
 10957     Register dst_reg = as_Register($dst$$reg);
 10958     int        shamt = $shift$$constant;
 10960     __ dsrl32(dst_reg, src_reg, shamt - 32);
 10961   %}
 10962   ins_pipe( ialu_regL_regL );
 10963 %}
 10965 instruct slrL_Reg_immI_convL2I(mRegI dst, mRegL src, immI_32_63 shift) %{
 10966   match(Set dst (ConvL2I (URShiftL src shift)));
 10967   predicate(n->in(1)->in(2)->get_int() > 32);
 10968   ins_cost(80);
 10969   format %{ "slrL    $dst, $src, $shift @ slrL_Reg_immI_convL2I" %}
 10970   ins_encode %{
 10971     Register src_reg = as_Register($src$$reg);
 10972     Register dst_reg = as_Register($dst$$reg);
 10973     int        shamt = $shift$$constant;
 10975     __ dsrl32(dst_reg, src_reg, shamt - 32);
 10976   %}
 10977   ins_pipe( ialu_regL_regL );
 10978 %}
 10980 instruct slrL_P2XReg_immI_32_63(mRegL dst, mRegP src, immI_32_63 shift) %{
 10981   match(Set dst (URShiftL (CastP2X src) shift));
 10982   ins_cost(80);
 10983   format %{ "slrL    $dst, $src, $shift @ slrL_P2XReg_immI_32_63" %}
 10984   ins_encode %{
 10985     Register src_reg = as_Register($src$$reg);
 10986     Register dst_reg = as_Register($dst$$reg);
 10987     int        shamt = $shift$$constant;
 10989     __ dsrl32(dst_reg, src_reg, shamt - 32);
 10990   %}
 10991   ins_pipe( ialu_regL_regL );
 10992 %}
 10994 // Xor Instructions
 10995 // Xor Register with Register
 10996 instruct xorI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2) %{
 10997   match(Set dst (XorI src1 src2));
 10999   format %{ "XOR    $dst, $src1, $src2 #@xorI_Reg_Reg" %}
 11001   ins_encode %{
 11002     Register  dst = $dst$$Register;
 11003     Register src1 = $src1$$Register;
 11004     Register src2 = $src2$$Register;
 11005     __ xorr(dst, src1, src2);
 11006     __ sll(dst, dst, 0); /* long -> int */
 11007   %}
 11009   ins_pipe( ialu_regI_regI );
 11010 %}
 11012 // Or Instructions
 11013 // Or Register with Register
 11014 instruct orI_Reg_Reg(mRegI dst, mRegI src1, mRegI src2) %{
 11015   match(Set dst (OrI src1 src2));
 11017   format %{ "OR     $dst, $src1, $src2 #@orI_Reg_Reg" %}
 11018   ins_encode %{
 11019     Register  dst = $dst$$Register;
 11020     Register src1 = $src1$$Register;
 11021     Register src2 = $src2$$Register;
 11022     __ orr(dst, src1, src2);
 11023   %}
 11025   ins_pipe( ialu_regI_regI );
 11026 %}
 11028 instruct rotI_shr_logical_Reg(mRegI dst, mRegI src, immI_0_31 rshift, immI_0_31 lshift, immI_1 one) %{
 11029   match(Set dst (OrI (URShiftI src rshift) (LShiftI (AndI src one) lshift)));
 11030   predicate(32 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int())));
 11032   format %{ "rotr     $dst, $src, 1 ...\n\t" 
 11033             "srl      $dst, $dst, ($rshift-1) @ rotI_shr_logical_Reg" %}
 11034   ins_encode %{
 11035     Register   dst = $dst$$Register;
 11036     Register   src = $src$$Register;
 11037     int     rshift = $rshift$$constant;
 11039     __ rotr(dst, src, 1);
 11040     if (rshift - 1) {
 11041        __ srl(dst, dst, rshift - 1);
 11043   %}
 11045   ins_pipe( ialu_regI_regI );
 11046 %}
 11048 instruct orI_Reg_castP2X(mRegL dst, mRegL src1, mRegP src2) %{
 11049   match(Set dst (OrI src1 (CastP2X src2)));
 11051   format %{ "OR     $dst, $src1, $src2 #@orI_Reg_castP2X" %}
 11052   ins_encode %{
 11053     Register  dst = $dst$$Register;
 11054     Register src1 = $src1$$Register;
 11055     Register src2 = $src2$$Register;
 11056     __ orr(dst, src1, src2);
 11057   %}
 11059   ins_pipe( ialu_regI_regI );
 11060 %}
 11062 // Logical Shift Right by 8-bit immediate
 11063 instruct shr_logical_Reg_imm(mRegI dst, mRegI src, immI8 shift) %{
 11064   match(Set dst (URShiftI src shift));
 11065  // effect(KILL cr);
 11067   format %{ "SRL    $dst, $src, $shift #@shr_logical_Reg_imm" %}
 11068   ins_encode %{
 11069     Register src = $src$$Register;
 11070     Register dst = $dst$$Register;
 11071     int    shift = $shift$$constant;
 11073     __ srl(dst, src, shift);
 11074   %}
 11075   ins_pipe( ialu_regI_regI );
 11076 %}
 11078 instruct shr_logical_Reg_imm_nonneg_mask(mRegI dst, mRegI src, immI_0_31 shift, immI_nonneg_mask mask) %{
 11079   match(Set dst (AndI (URShiftI src shift) mask));
 11081   format %{ "ext    $dst, $src, $shift, one-bits($mask) #@shr_logical_Reg_imm_nonneg_mask" %}
 11082   ins_encode %{
 11083     Register src = $src$$Register;
 11084     Register dst = $dst$$Register;
 11085     int      pos = $shift$$constant;
 11086     int     size = Assembler::is_int_mask($mask$$constant);
 11088     __ ext(dst, src, pos, size);
 11089   %}
 11090   ins_pipe( ialu_regI_regI );
 11091 %}
 11093 instruct rolI_Reg_immI_0_31(mRegI dst, immI_0_31 lshift, immI_0_31 rshift)
 11094 %{
 11095   predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x1f));
 11096   match(Set dst (OrI (LShiftI dst lshift) (URShiftI dst rshift)));
 11098   ins_cost(100);
 11099   format %{ "rotr    $dst, $dst, $rshift #@rolI_Reg_immI_0_31" %}
 11100   ins_encode %{
 11101     Register dst = $dst$$Register;
 11102     int      sa  = $rshift$$constant;
 11104     __ rotr(dst, dst, sa);
 11105   %}
 11106   ins_pipe( ialu_regI_regI );
 11107 %}
 11109 instruct rolL_Reg_immI_0_31(mRegL dst, immI_32_63 lshift, immI_0_31 rshift)
 11110 %{
 11111   predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x3f));
 11112   match(Set dst (OrL (LShiftL dst lshift) (URShiftL dst rshift)));
 11114   ins_cost(100);
 11115   format %{ "rotr    $dst, $dst, $rshift #@rolL_Reg_immI_0_31" %}
 11116   ins_encode %{
 11117     Register dst = $dst$$Register;
 11118     int      sa  = $rshift$$constant;
 11120     __ drotr(dst, dst, sa);
 11121   %}
 11122   ins_pipe( ialu_regI_regI );
 11123 %}
 11125 instruct rolL_Reg_immI_32_63(mRegL dst, immI_0_31 lshift, immI_32_63 rshift)
 11126 %{
 11127   predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x3f));
 11128   match(Set dst (OrL (LShiftL dst lshift) (URShiftL dst rshift)));
 11130   ins_cost(100);
 11131   format %{ "rotr    $dst, $dst, $rshift #@rolL_Reg_immI_32_63" %}
 11132   ins_encode %{
 11133     Register dst = $dst$$Register;
 11134     int      sa  = $rshift$$constant;
 11136     __ drotr32(dst, dst, sa - 32);
 11137   %}
 11138   ins_pipe( ialu_regI_regI );
 11139 %}
 11141 instruct rorI_Reg_immI_0_31(mRegI dst, immI_0_31 rshift, immI_0_31 lshift)
 11142 %{
 11143   predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x1f));
 11144   match(Set dst (OrI (URShiftI dst rshift) (LShiftI dst lshift)));
 11146   ins_cost(100);
 11147   format %{ "rotr    $dst, $dst, $rshift #@rorI_Reg_immI_0_31" %}
 11148   ins_encode %{
 11149     Register dst = $dst$$Register;
 11150     int      sa  = $rshift$$constant;
 11152     __ rotr(dst, dst, sa);
 11153   %}
 11154   ins_pipe( ialu_regI_regI );
 11155 %}
 11157 instruct rorL_Reg_immI_0_31(mRegL dst, immI_0_31 rshift, immI_32_63 lshift)
 11158 %{
 11159   predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x3f));
 11160   match(Set dst (OrL (URShiftL dst rshift) (LShiftL dst lshift)));
 11162   ins_cost(100);
 11163   format %{ "rotr    $dst, $dst, $rshift #@rorL_Reg_immI_0_31" %}
 11164   ins_encode %{
 11165     Register dst = $dst$$Register;
 11166     int      sa  = $rshift$$constant;
 11168     __ drotr(dst, dst, sa);
 11169   %}
 11170   ins_pipe( ialu_regI_regI );
 11171 %}
 11173 instruct rorL_Reg_immI_32_63(mRegL dst, immI_32_63 rshift, immI_0_31 lshift)
 11174 %{
 11175   predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x3f));
 11176   match(Set dst (OrL (URShiftL dst rshift) (LShiftL dst lshift)));
 11178   ins_cost(100);
 11179   format %{ "rotr    $dst, $dst, $rshift #@rorL_Reg_immI_32_63" %}
 11180   ins_encode %{
 11181     Register dst = $dst$$Register;
 11182     int      sa  = $rshift$$constant;
 11184     __ drotr32(dst, dst, sa - 32);
 11185   %}
 11186   ins_pipe( ialu_regI_regI );
 11187 %}
 11189 // Logical Shift Right 
 11190 instruct shr_logical_Reg_Reg(mRegI dst, mRegI src, mRegI shift) %{
 11191   match(Set dst (URShiftI src shift));
 11193   format %{ "SRL    $dst, $src, $shift #@shr_logical_Reg_Reg" %}
 11194   ins_encode %{
 11195     Register src = $src$$Register;
 11196     Register dst = $dst$$Register;
 11197     Register shift = $shift$$Register;
 11198     __ srlv(dst, src, shift);
 11199   %}
 11200   ins_pipe( ialu_regI_regI );
 11201 %}
 11204 instruct shr_arith_Reg_imm(mRegI dst, mRegI src, immI8 shift) %{
 11205   match(Set dst (RShiftI src shift));
 11206  // effect(KILL cr);
 11208   format %{ "SRA    $dst, $src, $shift #@shr_arith_Reg_imm" %}
 11209   ins_encode %{
 11210     Register src = $src$$Register;
 11211     Register dst = $dst$$Register;
 11212     int    shift = $shift$$constant;
 11213     __ sra(dst, src, shift);
 11214   %}
 11215   ins_pipe( ialu_regI_regI );
 11216 %}
 11218 instruct shr_arith_Reg_Reg(mRegI dst, mRegI src, mRegI shift) %{
 11219   match(Set dst (RShiftI src shift));
 11220  // effect(KILL cr);
 11222   format %{ "SRA    $dst, $src, $shift #@shr_arith_Reg_Reg" %}
 11223   ins_encode %{
 11224     Register src = $src$$Register;
 11225     Register dst = $dst$$Register;
 11226     Register shift = $shift$$Register;
 11227     __ srav(dst, src, shift);
 11228   %}
 11229   ins_pipe( ialu_regI_regI );
 11230 %}
 11232 //----------Convert Int to Boolean---------------------------------------------
 11234 instruct convI2B(mRegI dst, mRegI src) %{
 11235   match(Set dst (Conv2B src));
 11237   ins_cost(100);
 11238   format %{ "convI2B    $dst, $src @ convI2B"  %}
 11239   ins_encode %{
 11240     Register dst = as_Register($dst$$reg);
 11241     Register src = as_Register($src$$reg);
 11243     if (dst != src) {
 11244       __ daddiu(dst, R0, 1);
 11245       __ movz(dst, R0, src);
 11246     } else {
 11247       __ move(AT, src);
 11248       __ daddiu(dst, R0, 1);
 11249       __ movz(dst, R0, AT);
 11251   %}
 11253   ins_pipe( ialu_regL_regL );
 11254 %}
 11256 instruct convI2L_reg( mRegL dst, mRegI src) %{
 11257   match(Set dst (ConvI2L src));
 11259   ins_cost(100);
 11260   format %{ "SLL    $dst, $src @ convI2L_reg\t"  %}
 11261   ins_encode %{
 11262     Register dst = as_Register($dst$$reg);
 11263     Register src = as_Register($src$$reg);
 11265     if(dst != src) __ sll(dst, src, 0);
 11266   %}
 11267   ins_pipe( ialu_regL_regL );
 11268 %}
 11271 instruct convL2I_reg( mRegI dst, mRegL src ) %{
 11272   match(Set dst (ConvL2I src));
 11274   format %{ "MOV    $dst, $src @ convL2I_reg" %}
 11275   ins_encode %{
 11276     Register dst = as_Register($dst$$reg);
 11277     Register src = as_Register($src$$reg);
 11279     __ sll(dst, src, 0);
 11280   %}
 11282   ins_pipe( ialu_regI_regI );
 11283 %}
 11285 instruct convL2I2L_reg( mRegL dst, mRegL src ) %{
 11286   match(Set dst (ConvI2L (ConvL2I src)));
 11288   format %{ "sll    $dst, $src, 0 @ convL2I2L_reg" %}
 11289   ins_encode %{
 11290     Register dst = as_Register($dst$$reg);
 11291     Register src = as_Register($src$$reg);
 11293     __ sll(dst, src, 0);
 11294   %}
 11296   ins_pipe( ialu_regI_regI );
 11297 %}
 11299 instruct convL2D_reg( regD dst, mRegL src ) %{
 11300   match(Set dst (ConvL2D src));
 11301   format %{ "convL2D    $dst, $src @ convL2D_reg" %}
 11302   ins_encode %{
 11303     Register src = as_Register($src$$reg);
 11304     FloatRegister dst = as_FloatRegister($dst$$reg);
 11306     __ dmtc1(src, dst);
 11307     __ cvt_d_l(dst, dst);
 11308   %}
 11310   ins_pipe( pipe_slow );
 11311 %}
 11314 instruct convD2L_reg_fast( mRegL dst, regD src ) %{
 11315   match(Set dst (ConvD2L src));
 11316   ins_cost(150);
 11317   format %{ "convD2L    $dst, $src @ convD2L_reg_fast" %}
 11318   ins_encode %{
 11319     Register dst = as_Register($dst$$reg);
 11320     FloatRegister src = as_FloatRegister($src$$reg);
 11322     Label Done;
 11324     __ trunc_l_d(F30, src);
 11325     // max_long:    0x7fffffffffffffff 
 11326     // __ set64(AT, 0x7fffffffffffffff);
 11327     __ daddiu(AT, R0, -1);
 11328     __ dsrl(AT, AT, 1);
 11329     __ dmfc1(dst, F30);
 11331     __ bne(dst, AT, Done);
 11332     __ delayed()->mtc1(R0, F30);
 11334     __ cvt_d_w(F30, F30);
 11335     __ c_ult_d(src, F30);
 11336     __ bc1f(Done);
 11337     __ delayed()->daddiu(T9, R0, -1);
 11339     __ c_un_d(src, src);    //NaN?
 11340     __ subu(dst, T9, AT);
 11341     __ movt(dst, R0);
 11343     __ bind(Done);
 11344   %}
 11346   ins_pipe( pipe_slow );
 11347 %}
 11350 instruct convD2L_reg_slow( mRegL dst, regD src ) %{
 11351   match(Set dst (ConvD2L src));
 11352   ins_cost(250);
 11353   format %{ "convD2L    $dst, $src @ convD2L_reg_slow" %}
 11354   ins_encode %{
 11355     Register dst = as_Register($dst$$reg);
 11356     FloatRegister src = as_FloatRegister($src$$reg);
 11358     Label L;
 11360     __ c_un_d(src, src);    //NaN?
 11361     __ bc1t(L);
 11362     __ delayed();
 11363     __ move(dst, R0);
 11365     __ trunc_l_d(F30, src);
 11366     __ cfc1(AT, 31);
 11367     __ li(T9, 0x10000);
 11368     __ andr(AT, AT, T9);
 11369     __ beq(AT, R0, L);
 11370     __ delayed()->dmfc1(dst, F30);
 11372     __ mov_d(F12, src);
 11373     __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::d2l), 1);
 11374     __ move(dst, V0);
 11375     __ bind(L);
 11376   %}
 11378   ins_pipe( pipe_slow );
 11379 %}
 11382 instruct convF2I_reg_fast( mRegI dst, regF src ) %{
 11383   match(Set dst (ConvF2I src));
 11384   ins_cost(150);
 11385   format %{ "convf2i    $dst, $src @ convF2I_reg_fast" %}
 11386   ins_encode %{
 11387     Register      dreg = $dst$$Register;
 11388     FloatRegister fval = $src$$FloatRegister;
 11389     Label L;
 11391     __ trunc_w_s(F30, fval);
 11392     __ move(AT, 0x7fffffff);
 11393     __ mfc1(dreg, F30);
 11394     __ c_un_s(fval, fval);    //NaN?
 11395     __ movt(dreg, R0);
 11397     __ bne(AT, dreg, L);
 11398     __ delayed()->lui(T9, 0x8000);
 11400     __ mfc1(AT, fval);
 11401     __ andr(AT, AT, T9);
 11403     __ movn(dreg, T9, AT);
 11405     __ bind(L);
 11407   %}
 11409   ins_pipe( pipe_slow );
 11410 %}
 11414 instruct convF2I_reg_slow( mRegI dst, regF src ) %{
 11415   match(Set dst (ConvF2I src));
 11416   ins_cost(250);
 11417   format %{ "convf2i    $dst, $src @ convF2I_reg_slow" %}
 11418   ins_encode %{
 11419     Register      dreg = $dst$$Register;
 11420     FloatRegister fval = $src$$FloatRegister;
 11421     Label L;
 11423     __ c_un_s(fval, fval);    //NaN?
 11424     __ bc1t(L);
 11425     __ delayed();
 11426     __ move(dreg, R0);
 11428     __ trunc_w_s(F30, fval);
 11430     /* Call SharedRuntime:f2i() to do valid convention */
 11431     __ cfc1(AT, 31);
 11432     __ li(T9, 0x10000);
 11433     __ andr(AT, AT, T9);
 11434     __ beq(AT, R0, L);
 11435     __ delayed()->mfc1(dreg, F30);
 11437     __ mov_s(F12, fval);
 11439     /* 2014/01/08 Fu : This bug was found when running ezDS's control-panel.
 11440      *    J 982 C2 javax.swing.text.BoxView.layoutMajorAxis(II[I[I)V (283 bytes) @ 0x000000555c46aa74
 11442      * An interger array index has been assigned to V0, and then changed from 1 to Integer.MAX_VALUE. 
 11443      * V0 is corrupted during call_VM_leaf(), and should be preserved.
 11444      */
 11445     __ push(fval);
 11446     if(dreg != V0) {
 11447       __ push(V0); 
 11449     __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::f2i), 1);
 11450     if(dreg != V0) {
 11451       __ move(dreg, V0);
 11452       __ pop(V0);
 11454     __ pop(fval);
 11455     __ bind(L);
 11456   %}
 11458   ins_pipe( pipe_slow );
 11459 %}
 11462 instruct convF2L_reg_fast( mRegL dst, regF src ) %{
 11463   match(Set dst (ConvF2L src));
 11464   ins_cost(150);
 11465   format %{ "convf2l    $dst, $src @ convF2L_reg_fast" %}
 11466   ins_encode %{
 11467     Register      dreg = $dst$$Register;
 11468     FloatRegister fval = $src$$FloatRegister;
 11469     Label L;
 11471     __ trunc_l_s(F30, fval);
 11472     __ daddiu(AT, R0, -1);
 11473     __ dsrl(AT, AT, 1);
 11474     __ dmfc1(dreg, F30);
 11475     __ c_un_s(fval, fval);    //NaN?
 11476     __ movt(dreg, R0);
 11478     __ bne(AT, dreg, L);
 11479     __ delayed()->lui(T9, 0x8000);
 11481     __ mfc1(AT, fval);
 11482     __ andr(AT, AT, T9);
 11484     __ dsll32(T9, T9, 0);
 11485     __ movn(dreg, T9, AT);
 11487     __ bind(L);
 11488   %}
 11490   ins_pipe( pipe_slow );
 11491 %}
 11494 instruct convF2L_reg_slow( mRegL dst, regF src ) %{
 11495   match(Set dst (ConvF2L src));
 11496   ins_cost(250);
 11497   format %{ "convf2l    $dst, $src @ convF2L_reg_slow" %}
 11498   ins_encode %{
 11499     Register dst = as_Register($dst$$reg);
 11500     FloatRegister fval = $src$$FloatRegister;
 11501     Label L;
 11503     __ c_un_s(fval, fval);    //NaN?
 11504     __ bc1t(L);
 11505     __ delayed();
 11506     __ move(dst, R0);
 11508     __ trunc_l_s(F30, fval);
 11509     __ cfc1(AT, 31);
 11510     __ li(T9, 0x10000);
 11511     __ andr(AT, AT, T9);
 11512     __ beq(AT, R0, L);
 11513     __ delayed()->dmfc1(dst, F30);
 11515     __ mov_s(F12, fval);
 11516     __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::f2l), 1);
 11517     __ move(dst, V0);
 11518     __ bind(L);
 11519   %}
 11521   ins_pipe( pipe_slow );
 11522 %}
 11524 instruct convL2F_reg( regF dst, mRegL src ) %{
 11525   match(Set dst (ConvL2F src));
 11526   format %{ "convl2f    $dst, $src @ convL2F_reg" %}
 11527   ins_encode %{
 11528     FloatRegister dst = $dst$$FloatRegister;
 11529     Register src = as_Register($src$$reg);
 11530     Label L;
 11532     __ dmtc1(src, dst);
 11533     __ cvt_s_l(dst, dst);
 11534   %}
 11536   ins_pipe( pipe_slow );
 11537 %}
 11539 instruct convI2F_reg( regF dst, mRegI src ) %{
 11540   match(Set dst (ConvI2F src));
 11541   format %{ "convi2f    $dst, $src @ convI2F_reg" %}
 11542   ins_encode %{
 11543     Register      src = $src$$Register;
 11544     FloatRegister dst = $dst$$FloatRegister;
 11546     __ mtc1(src, dst);
 11547     __ cvt_s_w(dst, dst);
 11548   %}
 11550   ins_pipe( fpu_regF_regF );
 11551 %}
 11553 instruct cmpLTMask_immI0( mRegI dst, mRegI p, immI0 zero ) %{
 11554   match(Set dst (CmpLTMask p zero));
 11555   ins_cost(100);
 11557   format %{ "sra    $dst, $p, 31 @ cmpLTMask_immI0" %}
 11558     ins_encode %{
 11559        Register src = $p$$Register;
 11560        Register dst = $dst$$Register;
 11562        __ sra(dst, src, 31);
 11563     %}
 11564     ins_pipe( pipe_slow );
 11565 %}
 11568 instruct cmpLTMask( mRegI dst, mRegI p, mRegI q ) %{
 11569   match(Set dst (CmpLTMask p q));
 11570   ins_cost(400);
 11572   format %{ "cmpLTMask    $dst, $p, $q @ cmpLTMask" %}
 11573     ins_encode %{
 11574        Register p   = $p$$Register;
 11575        Register q   = $q$$Register;
 11576        Register dst = $dst$$Register;
 11578        __ slt(dst, p, q);
 11579        __ subu(dst, R0, dst);
 11580     %}
 11581     ins_pipe( pipe_slow );
 11582 %}
 11584 instruct convP2B(mRegI dst, mRegP src) %{
 11585   match(Set dst (Conv2B src));
 11587   ins_cost(100);
 11588   format %{ "convP2B    $dst, $src @ convP2B"  %}
 11589   ins_encode %{
 11590     Register dst = as_Register($dst$$reg);
 11591     Register src = as_Register($src$$reg);
 11593     if (dst != src) {
 11594       __ daddiu(dst, R0, 1);
 11595       __ movz(dst, R0, src);
 11596     } else {
 11597       __ move(AT, src);
 11598       __ daddiu(dst, R0, 1);
 11599       __ movz(dst, R0, AT);
 11601   %}
 11603   ins_pipe( ialu_regL_regL );
 11604 %}
 11607 instruct convI2D_reg_reg(regD dst, mRegI src) %{
 11608   match(Set dst (ConvI2D src));
 11609   format %{ "conI2D $dst, $src @convI2D_reg" %}
 11610   ins_encode %{
 11611      Register      src = $src$$Register;
 11612      FloatRegister dst = $dst$$FloatRegister;
 11613      __ mtc1(src, dst);
 11614      __ cvt_d_w(dst, dst);
 11615   %}
 11616   ins_pipe( fpu_regF_regF );
 11617 %}
 11619 instruct convF2D_reg_reg(regD dst, regF src) %{
 11620   match(Set dst (ConvF2D src));
 11621   format %{ "convF2D  $dst, $src\t# @convF2D_reg_reg" %}
 11622   ins_encode %{
 11623     FloatRegister dst = $dst$$FloatRegister;
 11624     FloatRegister src = $src$$FloatRegister;
 11626     __ cvt_d_s(dst, src);
 11627   %}
 11628   ins_pipe( fpu_regF_regF );
 11629 %}
 11631 instruct convD2F_reg_reg(regF dst, regD src) %{
 11632   match(Set dst (ConvD2F src));
 11633   format %{ "convD2F  $dst, $src\t# @convD2F_reg_reg" %}
 11634   ins_encode %{
 11635     FloatRegister dst = $dst$$FloatRegister;
 11636     FloatRegister src = $src$$FloatRegister;
 11638     __ cvt_s_d(dst, src);
 11639   %}
 11640   ins_pipe( fpu_regF_regF );
 11641 %}
 11644 // Convert a double to an int.  If the double is a NAN, stuff a zero in instead.
 11645 instruct convD2I_reg_reg_fast( mRegI dst, regD src ) %{
 11646   match(Set dst (ConvD2I src));
 11648   ins_cost(150);
 11649   format %{ "convD2I $dst, $src\t# @ convD2I_reg_reg_fast" %}
 11651   ins_encode %{
 11652       FloatRegister src = $src$$FloatRegister;
 11653       Register      dst = $dst$$Register;
 11655       Label Done;
 11657       __ trunc_w_d(F30, src);
 11658       // max_int: 2147483647
 11659       __ move(AT, 0x7fffffff);
 11660       __ mfc1(dst, F30);
 11662       __ bne(dst, AT, Done);
 11663       __ delayed()->mtc1(R0, F30);
 11665       __ cvt_d_w(F30, F30); 
 11666       __ c_ult_d(src, F30);
 11667       __ bc1f(Done);
 11668       __ delayed()->addiu(T9, R0, -1);
 11670       __ c_un_d(src, src);    //NaN?
 11671       __ subu32(dst, T9, AT);
 11672       __ movt(dst, R0);
 11674       __ bind(Done);
 11675   %}
 11676   ins_pipe( pipe_slow );
 11677 %}
 11680 instruct convD2I_reg_reg_slow( mRegI dst, regD src ) %{
 11681   match(Set dst (ConvD2I src));
 11683   ins_cost(250);
 11684   format %{ "convD2I $dst, $src\t# @ convD2I_reg_reg_slow" %}
 11686   ins_encode %{
 11687       FloatRegister src = $src$$FloatRegister;
 11688       Register      dst = $dst$$Register;
 11689       Label L;
 11691       __ trunc_w_d(F30, src);
 11692       __ cfc1(AT, 31);
 11693       __ li(T9, 0x10000);
 11694       __ andr(AT, AT, T9);
 11695       __ beq(AT, R0, L);
 11696       __ delayed()->mfc1(dst, F30);
 11698       __ mov_d(F12, src);
 11699       __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::d2i), 1);
 11700       __ move(dst, V0);
 11701       __ bind(L);
 11703   %}
 11704   ins_pipe( pipe_slow );
 11705 %}
 11707 // Convert oop pointer into compressed form
 11708 instruct encodeHeapOop(mRegN dst, mRegP src) %{
 11709   predicate(n->bottom_type()->make_ptr()->ptr() != TypePtr::NotNull);
 11710   match(Set dst (EncodeP src));
 11711   format %{ "encode_heap_oop $dst,$src" %}
 11712   ins_encode %{
 11713     Register src = $src$$Register;
 11714     Register dst = $dst$$Register;
 11716     __ encode_heap_oop(dst, src);
 11717   %}
 11718   ins_pipe( ialu_regL_regL );
 11719 %}
 11721 instruct encodeHeapOop_not_null(mRegN dst, mRegP src) %{
 11722   predicate(n->bottom_type()->make_ptr()->ptr() == TypePtr::NotNull);
 11723   match(Set dst (EncodeP src));
 11724   format %{ "encode_heap_oop_not_null $dst,$src @ encodeHeapOop_not_null" %}
 11725   ins_encode %{
 11726     __ encode_heap_oop_not_null($dst$$Register, $src$$Register);
 11727   %}
 11728   ins_pipe( ialu_regL_regL );
 11729 %}
 11731 instruct decodeHeapOop(mRegP dst, mRegN src) %{
 11732   predicate(n->bottom_type()->is_ptr()->ptr() != TypePtr::NotNull &&
 11733             n->bottom_type()->is_ptr()->ptr() != TypePtr::Constant);
 11734   match(Set dst (DecodeN src));
 11735   format %{ "decode_heap_oop $dst,$src @ decodeHeapOop" %}
 11736   ins_encode %{
 11737     Register s = $src$$Register;
 11738     Register d = $dst$$Register;
 11740     __ decode_heap_oop(d, s);
 11741   %}
 11742   ins_pipe( ialu_regL_regL );
 11743 %}
 11745 instruct decodeHeapOop_not_null(mRegP dst, mRegN src) %{
 11746   predicate(n->bottom_type()->is_ptr()->ptr() == TypePtr::NotNull ||
 11747             n->bottom_type()->is_ptr()->ptr() == TypePtr::Constant);
 11748   match(Set dst (DecodeN src));
 11749   format %{ "decode_heap_oop_not_null $dst,$src @ decodeHeapOop_not_null" %}
 11750   ins_encode %{
 11751     Register s = $src$$Register;
 11752     Register d = $dst$$Register;
 11753     if (s != d) {
 11754       __ decode_heap_oop_not_null(d, s);
 11755     } else {
 11756       __ decode_heap_oop_not_null(d);
 11758   %}
 11759   ins_pipe( ialu_regL_regL );
 11760 %}
 11762 instruct encodeKlass_not_null(mRegN dst, mRegP src) %{
 11763   match(Set dst (EncodePKlass src));
 11764   format %{ "encode_heap_oop_not_null $dst,$src @ encodeKlass_not_null" %}
 11765   ins_encode %{
 11766     __ encode_klass_not_null($dst$$Register, $src$$Register);
 11767   %}
 11768   ins_pipe( ialu_regL_regL );
 11769 %}
 11771 instruct decodeKlass_not_null(mRegP dst, mRegN src) %{
 11772   match(Set dst (DecodeNKlass src));
 11773   format %{ "decode_heap_klass_not_null $dst,$src" %}
 11774   ins_encode %{
 11775     Register s = $src$$Register;
 11776     Register d = $dst$$Register;
 11777     if (s != d) {
 11778       __ decode_klass_not_null(d, s);
 11779     } else {
 11780       __ decode_klass_not_null(d);
 11782   %}
 11783   ins_pipe( ialu_regL_regL );
 11784 %}
 11786 //FIXME
 11787 instruct tlsLoadP(mRegP dst) %{
 11788   match(Set dst (ThreadLocal));
 11790   ins_cost(0);
 11791   format %{ " get_thread in $dst #@tlsLoadP" %}
 11792   ins_encode %{
 11793     Register dst = $dst$$Register;
 11794 #ifdef OPT_THREAD
 11795     __ move(dst, TREG);
 11796 #else
 11797     __ get_thread(dst);
 11798 #endif
 11799   %}
 11801   ins_pipe( ialu_loadI );
 11802 %}
 11805 instruct checkCastPP( mRegP dst ) %{
 11806   match(Set dst (CheckCastPP dst));
 11808   format %{ "#checkcastPP of $dst (empty encoding) #@chekCastPP" %}
 11809   ins_encode( /*empty encoding*/ );
 11810   ins_pipe( empty );
 11811 %}
 11813 instruct castPP(mRegP dst)
 11814 %{
 11815   match(Set dst (CastPP dst));
 11817   size(0);
 11818   format %{ "# castPP of $dst" %}
 11819   ins_encode(/* empty encoding */);
 11820   ins_pipe(empty);
 11821 %}
 11823 instruct castII( mRegI dst ) %{
 11824   match(Set dst (CastII dst));
 11825   format %{ "#castII of $dst  empty encoding" %}
 11826   ins_encode( /*empty encoding*/ );
 11827   ins_cost(0);
 11828   ins_pipe( empty );
 11829 %}
 11831 // Return Instruction
 11832 // Remove the return address & jump to it.
 11833 instruct Ret() %{
 11834   match(Return);
 11835   format %{ "RET #@Ret" %}
 11837   ins_encode %{
 11838    __ jr(RA); 
 11839    __ nop();
 11840   %}
 11842   ins_pipe( pipe_jump );
 11843 %}
 11845 /*
 11846 // For Loongson CPUs, jr seems too slow, so this rule shouldn't be imported.
 11847 instruct jumpXtnd(mRegL switch_val) %{
 11848   match(Jump switch_val);
 11850   ins_cost(350);
 11852   format %{  "load   T9 <-- [$constanttablebase, $switch_val, $constantoffset] @ jumpXtnd\n\t"
 11853              "jr     T9\n\t"
 11854              "nop" %}
 11855   ins_encode %{
 11856     Register table_base = $constanttablebase;
 11857     int      con_offset = $constantoffset;
 11858     Register switch_reg = $switch_val$$Register;
 11860     if (UseLoongsonISA) {
 11861        if (Assembler::is_simm(con_offset, 8)) {
 11862          __ gsldx(T9, table_base, switch_reg, con_offset);
 11863        } else if (Assembler::is_simm16(con_offset)) {
 11864          __ daddu(T9, table_base, switch_reg);
 11865          __ ld(T9, T9, con_offset);
 11866        } else {
 11867          __ move(T9, con_offset);
 11868          __ daddu(AT, table_base, switch_reg);
 11869          __ gsldx(T9, AT, T9, 0);
 11871     } else {
 11872        if (Assembler::is_simm16(con_offset)) {
 11873          __ daddu(T9, table_base, switch_reg);
 11874          __ ld(T9, T9, con_offset);
 11875        } else {
 11876          __ move(T9, con_offset);
 11877          __ daddu(AT, table_base, switch_reg);
 11878          __ daddu(AT, T9, AT);
 11879          __ ld(T9, AT, 0);
 11883     __ jr(T9);
 11884     __ nop();
 11886   %}
 11887   ins_pipe(pipe_jump);
 11888 %}
 11889 */
 11891 // Jump Direct - Label defines a relative address from JMP
 11892 instruct jmpDir(label labl) %{
 11893   match(Goto);
 11894   effect(USE labl);
 11896   ins_cost(300);
 11897   format %{ "JMP    $labl #@jmpDir" %}
 11899   ins_encode %{
 11900     Label &L = *($labl$$label);
 11901     if(&L)
 11902     	 __ b(L);
 11903     else
 11904          __ b(int(0));
 11905     __ nop();
 11906   %}
 11908     ins_pipe( pipe_jump );
 11909     ins_pc_relative(1);
 11910 %}
 11914 // Tail Jump; remove the return address; jump to target.
 11915 // TailCall above leaves the return address around.
 11916 // TailJump is used in only one place, the rethrow_Java stub (fancy_jump=2).
 11917 // ex_oop (Exception Oop) is needed in %o0 at the jump. As there would be a
 11918 // "restore" before this instruction (in Epilogue), we need to materialize it
 11919 // in %i0.
 11920 //FIXME
 11921 instruct tailjmpInd(mRegP jump_target,mRegP ex_oop) %{
 11922   match( TailJump jump_target ex_oop );
 11923   ins_cost(200);
 11924   format %{ "Jmp     $jump_target  ; ex_oop = $ex_oop #@tailjmpInd" %}
 11925   ins_encode %{
 11926     Register target = $jump_target$$Register;
 11928     /* 2012/9/14 Jin: V0, V1 are indicated in:
 11929      *      [stubGenerator_mips.cpp] generate_forward_exception()
 11930      *      [runtime_mips.cpp] OptoRuntime::generate_exception_blob()
 11931      */
 11932     Register oop  = $ex_oop$$Register;
 11933     Register exception_oop = V0;
 11934     Register exception_pc = V1;
 11936     __ move(exception_pc, RA);
 11937     __ move(exception_oop, oop);
 11939     __ jr(target);  
 11940     __ nop();
 11941   %}
 11942   ins_pipe( pipe_jump ); 
 11943 %}
 11945 // ============================================================================
 11946 // Procedure Call/Return Instructions
 11947 // Call Java Static Instruction
 11948 // Note: If this code changes, the corresponding ret_addr_offset() and
 11949 //       compute_padding() functions will have to be adjusted.
 11950 instruct CallStaticJavaDirect(method meth) %{
 11951   match(CallStaticJava);
 11952   effect(USE meth);
 11954   ins_cost(300);
 11955   format %{ "CALL,static #@CallStaticJavaDirect " %}
 11956   ins_encode( Java_Static_Call( meth ) );
 11957   ins_pipe( pipe_slow );
 11958   ins_pc_relative(1);
 11959 %}
 11961 // Call Java Dynamic Instruction
 11962 // Note: If this code changes, the corresponding ret_addr_offset() and
 11963 //       compute_padding() functions will have to be adjusted.
 11964 instruct CallDynamicJavaDirect(method meth) %{
 11965   match(CallDynamicJava);
 11966   effect(USE meth);
 11968   ins_cost(300);
 11969   format %{"MOV IC_Klass, (oop)-1\n\t"
 11970            "CallDynamic @ CallDynamicJavaDirect" %}
 11971   ins_encode( Java_Dynamic_Call( meth ) );
 11972   ins_pipe( pipe_slow );
 11973   ins_pc_relative(1);
 11974 %}
 11976 instruct CallLeafNoFPDirect(method meth) %{
 11977   match(CallLeafNoFP);
 11978   effect(USE meth);
 11980   ins_cost(300);
 11981   format %{ "CALL_LEAF_NOFP,runtime " %}
 11982   ins_encode(Java_To_Runtime(meth));
 11983   ins_pipe( pipe_slow );
 11984   ins_pc_relative(1);
 11985   ins_alignment(16);
 11986 %}
 11988 // Prefetch instructions.
 11990 instruct prefetchrNTA( memory mem ) %{
 11991   match(PrefetchRead mem);
 11992   ins_cost(125);
 11994   format %{ "pref $mem\t# Prefetch into non-temporal cache for read @ prefetchrNTA" %}
 11995   ins_encode %{
 11996     int  base = $mem$$base;
 11997     int  index = $mem$$index;
 11998     int  scale = $mem$$scale;
 11999     int  disp = $mem$$disp;
 12001     if( index != 0 ) {
 12002       if (scale == 0) {
 12003         __ daddu(AT, as_Register(base), as_Register(index));
 12004       } else {
 12005         __ dsll(AT, as_Register(index), scale);
 12006         __ daddu(AT, as_Register(base), AT);
 12008     } else {
 12009       __ move(AT, as_Register(base));
 12011     if( Assembler::is_simm16(disp) ) {
 12012       __ daddiu(AT, as_Register(base), disp);
 12013       __ daddiu(AT, AT, disp);
 12014     } else {
 12015       __ move(T9, disp);
 12016       __ daddu(AT, as_Register(base), T9);
 12018     __ pref(0, AT, 0); //hint: 0:load
 12019   %}
 12020   ins_pipe(pipe_slow);
 12021 %}
 12023 instruct prefetchwNTA( memory mem ) %{
 12024   match(PrefetchWrite mem);
 12025   ins_cost(125);
 12026   format %{ "pref $mem\t# Prefetch to non-temporal cache for write @ prefetchwNTA" %}
 12027   ins_encode %{
 12028     int  base = $mem$$base;
 12029     int  index = $mem$$index;
 12030     int  scale = $mem$$scale;
 12031     int  disp = $mem$$disp;
 12033     if( index != 0 ) {
 12034       if (scale == 0) {
 12035         __ daddu(AT, as_Register(base), as_Register(index));
 12036       } else {
 12037         __ dsll(AT, as_Register(index), scale);
 12038         __ daddu(AT, as_Register(base), AT);
 12040     } else {
 12041       __ move(AT, as_Register(base));
 12043     if( Assembler::is_simm16(disp) ) {
 12044       __ daddiu(AT, as_Register(base), disp);
 12045       __ daddiu(AT, AT, disp);
 12046     } else {
 12047       __ move(T9, disp);
 12048       __ daddu(AT, as_Register(base), T9);
 12050      __ pref(1, AT, 0); //hint: 1:store
 12051   %}
 12052   ins_pipe(pipe_slow);
 12053 %}
 12055 // Prefetch instructions for allocation.
 12057 instruct prefetchAllocNTA( memory mem ) %{
 12058   match(PrefetchAllocation mem);
 12059   ins_cost(125);
 12060   format %{ "pref $mem\t# Prefetch allocation @ prefetchAllocNTA" %}
 12061   ins_encode %{
 12062      int  base = $mem$$base;
 12063      int  index = $mem$$index;
 12064      int  scale = $mem$$scale;
 12065      int  disp = $mem$$disp;
 12067      Register dst = R0;
 12069      if( index != 0 ) {
 12070         if( Assembler::is_simm16(disp) ) { 
 12071            if( UseLoongsonISA ) {
 12072               if (scale == 0) {
 12073                  __ gslbx(dst, as_Register(base), as_Register(index), disp);
 12074               } else {
 12075                  __ dsll(AT, as_Register(index), scale);
 12076                  __ gslbx(dst, as_Register(base), AT, disp);
 12078            } else {
 12079               if (scale == 0) {
 12080                  __ addu(AT, as_Register(base), as_Register(index));
 12081               } else {
 12082                  __ dsll(AT, as_Register(index), scale);
 12083                  __ addu(AT, as_Register(base), AT);
 12085               __ lb(dst, AT, disp);
 12087         } else {
 12088            if (scale == 0) {
 12089               __ addu(AT, as_Register(base), as_Register(index));
 12090            } else {
 12091               __ dsll(AT, as_Register(index), scale);
 12092               __ addu(AT, as_Register(base), AT);
 12094            __ move(T9, disp);
 12095            if( UseLoongsonISA ) {
 12096               __ gslbx(dst, AT, T9, 0);
 12097            } else {
 12098               __ addu(AT, AT, T9); 
 12099               __ lb(dst, AT, 0);
 12102      } else {
 12103         if( Assembler::is_simm16(disp) ) { 
 12104            __ lb(dst, as_Register(base), disp);
 12105         } else {
 12106            __ move(T9, disp);   
 12107            if( UseLoongsonISA ) {
 12108               __ gslbx(dst, as_Register(base), T9, 0);
 12109            } else {
 12110               __ addu(AT, as_Register(base), T9); 
 12111               __ lb(dst, AT, 0);
 12115   %}
 12116   ins_pipe(pipe_slow);
 12117 %}
 12120 // Call runtime without safepoint
 12121 instruct CallLeafDirect(method meth) %{
 12122   match(CallLeaf);
 12123   effect(USE meth);
 12125   ins_cost(300);
 12126   format %{ "CALL_LEAF,runtime #@CallLeafDirect " %}
 12127   ins_encode(Java_To_Runtime(meth));
 12128   ins_pipe( pipe_slow );
 12129   ins_pc_relative(1);
 12130   ins_alignment(16);
 12131 %}
 12133 // Load Char (16bit unsigned)
 12134 instruct loadUS(mRegI dst, memory mem) %{
 12135   match(Set dst (LoadUS mem));
 12137   ins_cost(125);
 12138   format %{ "loadUS  $dst,$mem @ loadC" %}
 12139   ins_encode(load_C_enc(dst, mem));
 12140   ins_pipe( ialu_loadI );
 12141 %}
 12143 instruct loadUS_convI2L(mRegL dst, memory mem) %{
 12144   match(Set dst (ConvI2L (LoadUS mem)));
 12146   ins_cost(125);
 12147   format %{ "loadUS  $dst,$mem @ loadUS_convI2L" %}
 12148   ins_encode(load_C_enc(dst, mem));
 12149   ins_pipe( ialu_loadI );
 12150 %}
 12152 // Store Char (16bit unsigned)
 12153 instruct storeC(memory mem, mRegI src) %{
 12154   match(Set mem (StoreC mem src));
 12156   ins_cost(125);
 12157   format %{ "storeC  $src, $mem @ storeC" %}
 12158   ins_encode(store_C_reg_enc(mem, src));
 12159   ins_pipe( ialu_loadI );
 12160 %}
 12162 instruct storeC0(memory mem, immI0 zero) %{
 12163   match(Set mem (StoreC mem zero));
 12165   ins_cost(125);
 12166   format %{ "storeC  $zero, $mem @ storeC0" %}
 12167   ins_encode(store_C0_enc(mem));
 12168   ins_pipe( ialu_loadI );
 12169 %}
 12172 instruct loadConF0(regF dst, immF0 zero) %{
 12173   match(Set dst zero);
 12174   ins_cost(100);
 12176   format %{ "mov  $dst, zero @ loadConF0\n"%}
 12177   ins_encode %{
 12178     FloatRegister dst = $dst$$FloatRegister;
 12180     __ mtc1(R0, dst);
 12181   %}
 12182   ins_pipe( fpu_loadF );
 12183 %}
 12186 instruct loadConF(regF dst, immF src) %{
 12187   match(Set dst src);
 12188   ins_cost(125);
 12190   format %{ "lwc1  $dst, $constantoffset[$constanttablebase] # load FLOAT $src from table @ loadConF" %}
 12191   ins_encode %{
 12192     int con_offset = $constantoffset($src);
 12194     if (Assembler::is_simm16(con_offset)) {
 12195        __ lwc1($dst$$FloatRegister, $constanttablebase, con_offset);
 12196     } else {
 12197        __ set64(AT, con_offset);
 12198        if (UseLoongsonISA) {
 12199           __ gslwxc1($dst$$FloatRegister, $constanttablebase, AT, 0);
 12200        } else {
 12201           __ daddu(AT, $constanttablebase, AT);
 12202           __ lwc1($dst$$FloatRegister, AT, 0);
 12205   %}
 12206   ins_pipe( fpu_loadF );
 12207 %}
 12210 instruct loadConD0(regD dst, immD0 zero) %{
 12211   match(Set dst zero);
 12212   ins_cost(100);
 12214   format %{ "mov  $dst, zero @ loadConD0"%}
 12215   ins_encode %{
 12216     FloatRegister dst = as_FloatRegister($dst$$reg);
 12218       __ dmtc1(R0, dst);
 12219   %}
 12220   ins_pipe( fpu_loadF );
 12221 %}
 12223 instruct loadConD(regD dst, immD src) %{
 12224   match(Set dst src);
 12225   ins_cost(125);
 12227   format %{ "ldc1  $dst, $constantoffset[$constanttablebase] # load DOUBLE $src from table @ loadConD" %}
 12228   ins_encode %{
 12229     int con_offset = $constantoffset($src);
 12231     if (Assembler::is_simm16(con_offset)) {
 12232        __ ldc1($dst$$FloatRegister, $constanttablebase, con_offset);
 12233     } else {
 12234        __ set64(AT, con_offset);
 12235        if (UseLoongsonISA) {
 12236           __ gsldxc1($dst$$FloatRegister, $constanttablebase, AT, 0);
 12237        } else {
 12238           __ daddu(AT, $constanttablebase, AT);
 12239           __ ldc1($dst$$FloatRegister, AT, 0);
 12242   %}
 12243   ins_pipe( fpu_loadF );
 12244 %}
 12246 // Store register Float value (it is faster than store from FPU register)
 12247 instruct storeF_reg( memory mem, regF src) %{
 12248   match(Set mem (StoreF mem src));
 12250   ins_cost(50);
 12251   format %{ "store   $mem, $src\t# store float @ storeF_reg" %}
 12252   ins_encode(store_F_reg_enc(mem, src));
 12253   ins_pipe( fpu_storeF );
 12254 %}
 12256 instruct storeF_imm0( memory mem, immF0 zero) %{
 12257   match(Set mem (StoreF mem zero));
 12259   ins_cost(40);
 12260   format %{ "store   $mem, zero\t# store float @ storeF_imm0" %}
 12261   ins_encode %{
 12262     int      base = $mem$$base;
 12263     int     index = $mem$$index;
 12264     int     scale = $mem$$scale;
 12265     int      disp = $mem$$disp;
 12267     if( index != 0 ) {
 12268 		if ( UseLoongsonISA ) {
 12269 			if ( Assembler::is_simm(disp, 8) ) {
 12270 				if ( scale == 0 ) {
 12271 					__ gsswx(R0, as_Register(base), as_Register(index), disp);
 12272 				} else {
 12273 					__ dsll(T9, as_Register(index), scale);
 12274 					__ gsswx(R0, as_Register(base), T9, disp);
 12276 			} else if ( Assembler::is_simm16(disp) ) {
 12277 				if ( scale == 0 ) {
 12278 					__ daddu(AT, as_Register(base), as_Register(index));
 12279 				} else {
 12280 					__ dsll(T9, as_Register(index), scale);
 12281 					__ daddu(AT, as_Register(base), T9);
 12283 				__ sw(R0, AT, disp);
 12284 			} else {
 12285 				if ( scale == 0 ) {
 12286 					__ move(T9, disp);
 12287 					__ daddu(AT, as_Register(index), T9);
 12288 					__ gsswx(R0, as_Register(base), AT, 0);
 12289 				} else {
 12290 					__ dsll(T9, as_Register(index), scale);
 12291 					__ move(AT, disp);
 12292 					__ daddu(AT, AT, T9);
 12293 					__ gsswx(R0, as_Register(base), AT, 0);
 12296 		} else { //not use loongson isa
 12297 		    if(scale != 0) {
 12298 		       __ dsll(T9, as_Register(index), scale);
 12299 		       __ daddu(AT, as_Register(base), T9);
 12300 		    } else {
 12301 		       __ daddu(AT, as_Register(base), as_Register(index));
 12303 		   if( Assembler::is_simm16(disp) ) { 
 12304 		      __ sw(R0, AT, disp);
 12305 		   } else {
 12306 		      __ move(T9, disp);
 12307 		      __ daddu(AT, AT, T9);
 12308 			  __ sw(R0, AT, 0);
 12311     } else { //index is 0
 12312 		if ( UseLoongsonISA ) {
 12313 			if ( Assembler::is_simm16(disp) ) {
 12314 				__ sw(R0, as_Register(base), disp);
 12315 			} else {
 12316 				__ move(T9, disp);
 12317 				__ gsswx(R0, as_Register(base), T9, 0);
 12319 		} else {
 12320 		   if( Assembler::is_simm16(disp) ) { 
 12321 		      __ sw(R0, as_Register(base), disp);
 12322 		   } else {
 12323 		      __ move(T9, disp);
 12324 		      __ daddu(AT, as_Register(base), T9);
 12325 			  __ sw(R0, AT, 0);
 12329   %}
 12330   ins_pipe( ialu_storeI );
 12331 %}
 12333 // Load Double
 12334 instruct loadD(regD dst, memory mem) %{
 12335   match(Set dst (LoadD mem));
 12337   ins_cost(150);
 12338   format %{ "loadD   $dst, $mem #@loadD" %}
 12339   ins_encode(load_D_enc(dst, mem));
 12340   ins_pipe( ialu_loadI );
 12341 %}
 12343 // Load Double - UNaligned
 12344 instruct loadD_unaligned(regD dst, memory mem ) %{
 12345   match(Set dst (LoadD_unaligned mem));
 12346   ins_cost(250);
 12347   // FIXME: Jin: Need more effective ldl/ldr
 12348   format %{ "loadD_unaligned   $dst, $mem #@loadD_unaligned" %}
 12349   ins_encode(load_D_enc(dst, mem));
 12350   ins_pipe( ialu_loadI );
 12351 %}
 12353 instruct storeD_reg( memory mem, regD src) %{
 12354   match(Set mem (StoreD mem src));
 12356   ins_cost(50);
 12357   format %{ "store   $mem, $src\t# store float @ storeD_reg" %}
 12358   ins_encode(store_D_reg_enc(mem, src));
 12359   ins_pipe( fpu_storeF );
 12360 %}
 12362 instruct storeD_imm0( memory mem, immD0 zero) %{
 12363   match(Set mem (StoreD mem zero));
 12365   ins_cost(40);
 12366   format %{ "store   $mem, zero\t# store float @ storeD_imm0" %}
 12367   ins_encode %{
 12368     int      base = $mem$$base;
 12369     int     index = $mem$$index;
 12370     int     scale = $mem$$scale;
 12371     int      disp = $mem$$disp;
 12373     __ mtc1(R0, F30);
 12374     __ cvt_d_w(F30, F30);
 12376     if( index != 0 ) {
 12377 		if ( UseLoongsonISA ) {
 12378 			if ( Assembler::is_simm(disp, 8) ) {
 12379 				if (scale == 0) {
 12380 					__ gssdxc1(F30, as_Register(base), as_Register(index), disp);
 12381 				} else {
 12382 					__ dsll(T9, as_Register(index), scale);
 12383 					__ gssdxc1(F30, as_Register(base), T9, disp);
 12385 			} else if ( Assembler::is_simm16(disp) ) {
 12386 				if (scale == 0) {
 12387 					__ daddu(AT, as_Register(base), as_Register(index));
 12388 					__ sdc1(F30, AT, disp);
 12389 				} else {
 12390 					__ dsll(T9, as_Register(index), scale);
 12391 					__ daddu(AT, as_Register(base), T9);
 12392 					__ sdc1(F30, AT, disp);
 12394 			} else {
 12395 				if (scale == 0) {
 12396 					__ move(T9, disp);
 12397 					__ daddu(AT, as_Register(index), T9);
 12398 					__ gssdxc1(F30, as_Register(base), AT, 0);
 12399 				} else {
 12400 					__ move(T9, disp);
 12401 					__ dsll(AT, as_Register(index), scale);
 12402 					__ daddu(AT, AT, T9);
 12403 					__ gssdxc1(F30, as_Register(base), AT, 0);
 12406 		} else { // not use loongson isa
 12407 		    if(scale != 0) {
 12408 		       __ dsll(T9, as_Register(index), scale);
 12409 		       __ daddu(AT, as_Register(base), T9);
 12410 		    } else {
 12411 		       __ daddu(AT, as_Register(base), as_Register(index));
 12413 		   if( Assembler::is_simm16(disp) ) { 
 12414 		      __ sdc1(F30, AT, disp);
 12415 		   } else {
 12416 		      __ move(T9, disp);
 12417 		      __ daddu(AT, AT, T9);
 12418 		      __ sdc1(F30, AT, 0);
 12421     } else {// index is 0
 12422 		if ( UseLoongsonISA ) {
 12423 			if ( Assembler::is_simm16(disp) ) {
 12424 				__ sdc1(F30, as_Register(base), disp);
 12425 			} else {
 12426 				__ move(T9, disp);
 12427 				__ gssdxc1(F30, as_Register(base), T9, 0);
 12429 		} else {
 12430 		   if( Assembler::is_simm16(disp) ) { 
 12431 		      __ sdc1(F30, as_Register(base), disp);
 12432 		   } else {
 12433 		      __ move(T9, disp);
 12434 		      __ daddu(AT, as_Register(base), T9);
 12435 		      __ sdc1(F30, AT, 0);
 12439   %}
 12440   ins_pipe( ialu_storeI );
 12441 %}
 12443 instruct loadSSI(mRegI dst, stackSlotI src)
 12444 %{
 12445   match(Set dst src);
 12447   ins_cost(125);
 12448   format %{ "lw    $dst, $src\t# int stk @ loadSSI" %}
 12449   ins_encode %{
 12450     guarantee( Assembler::is_simm16($src$$disp), "disp too long (loadSSI) !");
 12451     __ lw($dst$$Register, SP, $src$$disp);
 12452   %}
 12453   ins_pipe(ialu_loadI);
 12454 %}
 12456 instruct storeSSI(stackSlotI dst, mRegI src)
 12457 %{
 12458   match(Set dst src);
 12460   ins_cost(100);
 12461   format %{ "sw    $dst, $src\t# int stk @ storeSSI" %}
 12462   ins_encode %{
 12463     guarantee( Assembler::is_simm16($dst$$disp), "disp too long (storeSSI) !");
 12464     __ sw($src$$Register, SP, $dst$$disp);
 12465   %}
 12466   ins_pipe(ialu_storeI);
 12467 %}
 12469 instruct loadSSL(mRegL dst, stackSlotL src)
 12470 %{
 12471   match(Set dst src);
 12473   ins_cost(125);
 12474   format %{ "ld    $dst, $src\t# long stk @ loadSSL" %}
 12475   ins_encode %{
 12476     guarantee( Assembler::is_simm16($src$$disp), "disp too long (loadSSL) !");
 12477     __ ld($dst$$Register, SP, $src$$disp);
 12478   %}
 12479   ins_pipe(ialu_loadI);
 12480 %}
 12482 instruct storeSSL(stackSlotL dst, mRegL src)
 12483 %{
 12484   match(Set dst src);
 12486   ins_cost(100);
 12487   format %{ "sd    $dst, $src\t# long stk @ storeSSL" %}
 12488   ins_encode %{
 12489     guarantee( Assembler::is_simm16($dst$$disp), "disp too long (storeSSL) !");
 12490     __ sd($src$$Register, SP, $dst$$disp);
 12491   %}
 12492   ins_pipe(ialu_storeI);
 12493 %}
 12495 instruct loadSSP(mRegP dst, stackSlotP src)
 12496 %{
 12497   match(Set dst src);
 12499   ins_cost(125);
 12500   format %{ "ld    $dst, $src\t# ptr stk @ loadSSP" %}
 12501   ins_encode %{
 12502     guarantee( Assembler::is_simm16($src$$disp), "disp too long (loadSSP) !");
 12503     __ ld($dst$$Register, SP, $src$$disp);
 12504   %}
 12505   ins_pipe(ialu_loadI);
 12506 %}
 12508 instruct storeSSP(stackSlotP dst, mRegP src)
 12509 %{
 12510   match(Set dst src);
 12512   ins_cost(100);
 12513   format %{ "sd    $dst, $src\t# ptr stk @ storeSSP" %}
 12514   ins_encode %{
 12515     guarantee( Assembler::is_simm16($dst$$disp), "disp too long (storeSSP) !");
 12516     __ sd($src$$Register, SP, $dst$$disp);
 12517   %}
 12518   ins_pipe(ialu_storeI);
 12519 %}
 12521 instruct loadSSF(regF dst, stackSlotF src)
 12522 %{
 12523   match(Set dst src);
 12525   ins_cost(125);
 12526   format %{ "lwc1   $dst, $src\t# float stk @ loadSSF" %}
 12527   ins_encode %{
 12528     guarantee( Assembler::is_simm16($src$$disp), "disp too long (loadSSF) !");
 12529     __ lwc1($dst$$FloatRegister, SP, $src$$disp);
 12530   %}
 12531   ins_pipe(ialu_loadI);
 12532 %}
 12534 instruct storeSSF(stackSlotF dst, regF src)
 12535 %{
 12536   match(Set dst src);
 12538   ins_cost(100);
 12539   format %{ "swc1    $dst, $src\t# float stk @ storeSSF" %}
 12540   ins_encode %{
 12541     guarantee( Assembler::is_simm16($dst$$disp), "disp too long (storeSSF) !");
 12542     __ swc1($src$$FloatRegister, SP, $dst$$disp);
 12543   %}
 12544   ins_pipe(fpu_storeF);
 12545 %}
 12547 // Use the same format since predicate() can not be used here.
 12548 instruct loadSSD(regD dst, stackSlotD src)
 12549 %{
 12550   match(Set dst src);
 12552   ins_cost(125);
 12553   format %{ "ldc1   $dst, $src\t# double stk @ loadSSD" %}
 12554   ins_encode %{
 12555     guarantee( Assembler::is_simm16($src$$disp), "disp too long (loadSSD) !");
 12556     __ ldc1($dst$$FloatRegister, SP, $src$$disp);
 12557   %}
 12558   ins_pipe(ialu_loadI);
 12559 %}
 12561 instruct storeSSD(stackSlotD dst, regD src)
 12562 %{
 12563   match(Set dst src);
 12565   ins_cost(100);
 12566   format %{ "sdc1    $dst, $src\t# double stk @ storeSSD" %}
 12567   ins_encode %{
 12568     guarantee( Assembler::is_simm16($dst$$disp), "disp too long (storeSSD) !");
 12569     __ sdc1($src$$FloatRegister, SP, $dst$$disp);
 12570   %}
 12571   ins_pipe(fpu_storeF);
 12572 %}
 12574 instruct cmpFastLock( FlagsReg cr, mRegP object, s0_RegP box, mRegI tmp, mRegP scr) %{
 12575   match( Set cr (FastLock object box) );
 12576   effect( TEMP tmp, TEMP scr, USE_KILL box );
 12577   ins_cost(300);
 12578   format %{ "FASTLOCK $cr $object, $box, $tmp #@ cmpFastLock" %}
 12579   ins_encode %{
 12580     __ fast_lock($object$$Register, $box$$Register, $tmp$$Register, $scr$$Register);
 12581   %}
 12583   ins_pipe( pipe_slow );
 12584   ins_pc_relative(1);
 12585 %}
 12587 instruct cmpFastUnlock( FlagsReg cr, mRegP object, s0_RegP box, mRegP tmp ) %{
 12588   match( Set cr (FastUnlock object box) );
 12589   effect( TEMP tmp, USE_KILL box );
 12590   ins_cost(300);
 12591   format %{ "FASTUNLOCK $object, $box, $tmp #@cmpFastUnlock" %}
 12592   ins_encode %{
 12593     __ fast_unlock($object$$Register, $box$$Register, $tmp$$Register);
 12594   %}
 12596   ins_pipe( pipe_slow );
 12597   ins_pc_relative(1);
 12598 %}
 12600 // Store CMS card-mark Immediate
 12601 instruct storeImmCM(memory mem, immI8 src) %{
 12602   match(Set mem (StoreCM mem src));
 12604   ins_cost(150);
 12605   format %{ "MOV8   $mem,$src\t! CMS card-mark imm0" %}
 12606 //  opcode(0xC6);
 12607   ins_encode(store_B_immI_enc_sync(mem, src));
 12608   ins_pipe( ialu_storeI );
 12609 %}
 12611 // Die now
 12612 instruct ShouldNotReachHere( )
 12613 %{
 12614   match(Halt);
 12615   ins_cost(300);
 12617   // Use the following format syntax
 12618   format %{ "ILLTRAP   ;#@ShouldNotReachHere" %}
 12619   ins_encode %{
 12620     // Here we should emit illtrap !
 12622     __ stop("in ShoudNotReachHere");
 12624   %}
 12625   ins_pipe( pipe_jump );
 12626 %}
 12628 instruct leaP8Narrow(mRegP dst, indOffset8Narrow mem)
 12629 %{
 12630   predicate(Universe::narrow_oop_shift() == 0);
 12631   match(Set dst mem);
 12633   ins_cost(110); 
 12634   format %{ "leaq    $dst, $mem\t# ptr off8narrow @ leaP8Narrow" %}
 12635   ins_encode %{
 12636     Register  dst  = $dst$$Register;
 12637     Register  base = as_Register($mem$$base);
 12638     int       disp = $mem$$disp;
 12640     __ daddiu(dst, base, disp);
 12641   %}
 12642   ins_pipe( ialu_regI_imm16 );
 12643 %}
 12645 instruct leaPPosIdxScaleOff8(mRegP dst, basePosIndexScaleOffset8 mem)
 12646 %{
 12647   match(Set dst mem);
 12649   ins_cost(110);
 12650   format %{ "leaq    $dst, $mem\t# @ PosIdxScaleOff8" %}
 12651   ins_encode %{
 12652     Register  dst   = $dst$$Register;
 12653     Register  base  = as_Register($mem$$base);
 12654     Register  index = as_Register($mem$$index);
 12655     int       scale = $mem$$scale;
 12656     int       disp  = $mem$$disp;
 12658     if (scale == 0) {
 12659        __ daddu(AT, base, index);
 12660        __ daddiu(dst, AT, disp);
 12661     } else {
 12662        __ dsll(AT, index, scale);
 12663        __ daddu(AT, base, AT);
 12664        __ daddiu(dst, AT, disp);
 12666  %}
 12668   ins_pipe( ialu_regI_imm16 );
 12669 %}
 12671 instruct leaPIdxScale(mRegP dst, indIndexScale mem)
 12672 %{
 12673   match(Set dst mem);
 12675   ins_cost(110);
 12676   format %{ "leaq    $dst, $mem\t# @ leaPIdxScale" %}
 12677   ins_encode %{
 12678     Register  dst   = $dst$$Register;
 12679     Register  base  = as_Register($mem$$base);
 12680     Register  index = as_Register($mem$$index);
 12681     int       scale = $mem$$scale;
 12683     if (scale == 0) {
 12684        __ daddu(dst, base, index);
 12685     } else {
 12686        __ dsll(AT, index, scale);
 12687        __ daddu(dst, base, AT);
 12689  %}
 12691   ins_pipe( ialu_regI_imm16 );
 12692 %}
 12694 // Jump Direct Conditional - Label defines a relative address from Jcc+1
 12695 instruct  jmpLoopEnd(cmpOp cop, mRegI src1, mRegI src2, label labl) %{
 12696   match(CountedLoopEnd cop (CmpI src1 src2));
 12697   effect(USE labl);
 12699   ins_cost(300);
 12700   format %{ "J$cop  $src1, $src2,  $labl\t# Loop end @ jmpLoopEnd" %}
 12701   ins_encode %{
 12702     Register op1 = $src1$$Register;
 12703     Register op2 = $src2$$Register;
 12704     Label     &L = *($labl$$label);
 12705     int     flag = $cop$$cmpcode;
 12707     switch(flag)
 12709       case 0x01: //equal
 12710 	if (&L)
 12711         	__ beq(op1, op2, L); 
 12712 	else 
 12713         	__ beq(op1, op2, (int)0); 
 12714         break;
 12715       case 0x02: //not_equal
 12716 	if (&L)
 12717         	__ bne(op1, op2, L); 
 12718 	else
 12719         	__ bne(op1, op2, (int)0); 
 12720         break;
 12721       case 0x03: //above
 12722         __ slt(AT, op2, op1);
 12723         if(&L)
 12724         	__ bne(AT, R0, L); 
 12725         else
 12726                 __ bne(AT, R0, (int)0);
 12727         break;
 12728       case 0x04: //above_equal
 12729         __ slt(AT, op1, op2);
 12730         if(&L)
 12731         	__ beq(AT, R0, L);
 12732         else
 12733                 __ beq(AT, R0, (int)0);
 12734         break;
 12735       case 0x05: //below
 12736         __ slt(AT, op1, op2);
 12737         if(&L)
 12738       		 __ bne(AT, R0, L); 
 12739         else
 12740         	 __ bne(AT, R0, (int)0);
 12741         break;
 12742       case 0x06: //below_equal
 12743         __ slt(AT, op2, op1);
 12744         if(&L)
 12745         	__ beq(AT, R0, L);
 12746         else
 12747         	__ beq(AT, R0, (int)0);
 12748        break;
 12749       default:
 12750           Unimplemented();
 12752     __ nop();
 12753   %}
 12754   ins_pipe( pipe_jump );
 12755   ins_pc_relative(1);
 12756 %}
 12758 instruct  jmpLoopEnd_reg_immI(cmpOp cop, mRegI src1, immI src2, label labl) %{
 12759   match(CountedLoopEnd cop (CmpI src1 src2));
 12760   effect(USE labl);
 12762   ins_cost(300);
 12763   format %{ "J$cop  $src1, $src2,  $labl\t# Loop end @ jmpLoopEnd_reg_immI" %}
 12764   ins_encode %{
 12765     Register op1 = $src1$$Register;
 12766     Register op2 = AT;
 12767     Label     &L = *($labl$$label);
 12768     int     flag = $cop$$cmpcode;
 12770     __ move(op2, $src2$$constant);
 12772     switch(flag)
 12774       case 0x01: //equal
 12775 	if (&L)
 12776         	__ beq(op1, op2, L); 
 12777 	else 
 12778         	__ beq(op1, op2, (int)0); 
 12779         break;
 12780       case 0x02: //not_equal
 12781 	if (&L)
 12782         	__ bne(op1, op2, L); 
 12783 	else
 12784         	__ bne(op1, op2, (int)0); 
 12785         break;
 12786       case 0x03: //above
 12787         __ slt(AT, op2, op1);
 12788         if(&L)
 12789         	__ bne(AT, R0, L); 
 12790         else
 12791                 __ bne(AT, R0, (int)0);
 12792         break;
 12793       case 0x04: //above_equal
 12794         __ slt(AT, op1, op2);
 12795         if(&L)
 12796         	__ beq(AT, R0, L);
 12797         else
 12798                 __ beq(AT, R0, (int)0);
 12799         break;
 12800       case 0x05: //below
 12801         __ slt(AT, op1, op2);
 12802         if(&L)
 12803       		__ bne(AT, R0, L); 
 12804         else
 12805         	__ bne(AT, R0, (int)0);
 12806         break;
 12807       case 0x06: //below_equal
 12808         __ slt(AT, op2, op1);
 12809         if(&L)
 12810         	__ beq(AT, R0, L);
 12811         else
 12812         	__ beq(AT, R0, (int)0);
 12813        break;
 12814       default:
 12815           Unimplemented();
 12817     __ nop();
 12818   %}
 12819   ins_pipe( pipe_jump );
 12820   ins_pc_relative(1);
 12821 %}
 12824 // This match pattern is created for StoreIConditional since I cannot match IfNode without a RegFlags! fujie 2012/07/17
 12825 instruct jmpCon_flags(cmpOp cop, FlagsReg cr, label labl) %{
 12826   match(If cop cr);
 12827   effect(USE labl);
 12829   ins_cost(300);
 12830   format %{ "J$cop    $labl  #mips uses AT as eflag @jmpCon_flags" %}
 12832   ins_encode %{
 12833     Label    &L =  *($labl$$label);
 12834     switch($cop$$cmpcode)
 12836       case 0x01: //equal
 12837 	if (&L)
 12838         	__ bne(AT, R0, L); 
 12839 	else 
 12840         	__ bne(AT, R0, (int)0); 
 12841         break;
 12842       case 0x02: //not equal
 12843 	if (&L)
 12844         	__ beq(AT, R0, L); 
 12845 	else 
 12846         	__ beq(AT, R0, (int)0); 
 12847         break;
 12848       default:
 12849          Unimplemented(); 
 12851     __ nop();
 12852   %}
 12854   ins_pipe( pipe_jump );
 12855   ins_pc_relative(1);
 12856 %}
 12859 // ============================================================================
 12860 // The 2nd slow-half of a subtype check.  Scan the subklass's 2ndary superklass
 12861 // array for an instance of the superklass.  Set a hidden internal cache on a
 12862 // hit (cache is checked with exposed code in gen_subtype_check()).  Return
 12863 // NZ for a miss or zero for a hit.  The encoding ALSO sets flags.
 12864 instruct partialSubtypeCheck( mRegP result, no_T8_mRegP sub, no_T8_mRegP super, mT8RegI tmp ) %{
 12865   match(Set result (PartialSubtypeCheck sub super));
 12866   effect(KILL tmp);
 12867   ins_cost(1100);  // slightly larger than the next version
 12868   format %{ "partialSubtypeCheck result=$result, sub=$sub, super=$super, tmp=$tmp " %}
 12870   ins_encode( enc_PartialSubtypeCheck(result, sub, super, tmp) );
 12871   ins_pipe( pipe_slow );
 12872 %}
 12875 // Conditional-store of an int value.
 12876 // ZF flag is set on success, reset otherwise.  Implemented with a CMPXCHG on Intel.
 12877 instruct storeIConditional( memory mem, mRegI oldval, mRegI newval, FlagsReg cr ) %{
 12878   match(Set cr (StoreIConditional mem (Binary oldval newval)));
 12879 //  effect(KILL oldval);
 12880   format %{ "CMPXCHG  $newval, $mem, $oldval \t# @storeIConditional" %}
 12882   ins_encode %{
 12883     Register oldval = $oldval$$Register;
 12884     Register newval = $newval$$Register;
 12885     Address  addr(as_Register($mem$$base), $mem$$disp);
 12886     Label    again, failure;
 12888 //    int      base = $mem$$base;
 12889     int     index = $mem$$index;
 12890     int     scale = $mem$$scale;
 12891     int      disp = $mem$$disp;
 12893     guarantee(Assembler::is_simm16(disp), ""); 
 12895     if( index != 0 ) {
 12896        __ stop("in storeIConditional: index != 0");
 12897     } else {
 12898        __ bind(again);
 12899        if(!Use3A2000) __ sync();
 12900        __ ll(AT, addr);
 12901        __ bne(AT, oldval, failure);
 12902        __ delayed()->addu(AT, R0, R0);
 12904        __ addu(AT, newval, R0);
 12905        __ sc(AT, addr);
 12906        __ beq(AT, R0, again);
 12907        __ delayed()->addiu(AT, R0, 0xFF);
 12908        __ bind(failure);
 12909        __ sync();
 12911 %}
 12913   ins_pipe( long_memory_op );
 12914 %}
 12916 // Conditional-store of a long value.
 12917 // ZF flag is set on success, reset otherwise.  Implemented with a CMPXCHG.
 12918 instruct storeLConditional(memory mem, t2RegL oldval, mRegL newval, FlagsReg cr )
 12919 %{
 12920   match(Set cr (StoreLConditional mem (Binary oldval newval)));
 12921   effect(KILL oldval);
 12923   format %{ "cmpxchg $mem, $newval\t# If $oldval == $mem then store $newval into $mem" %}
 12924   ins_encode%{
 12925 		Register oldval = $oldval$$Register;
 12926 		Register newval = $newval$$Register;
 12927 		Address addr((Register)$mem$$base, $mem$$disp);  
 12929 		int     index = $mem$$index;
 12930 		int     scale = $mem$$scale;
 12931 		int      disp = $mem$$disp;
 12933 		guarantee(Assembler::is_simm16(disp), ""); 
 12935 		if( index != 0 ) {
 12936 			__ stop("in storeIConditional: index != 0");
 12937 		} else {
 12938 			__ cmpxchg(newval, addr, oldval);
 12940   %}
 12941   ins_pipe( long_memory_op );
 12942 %}
 12945 instruct compareAndSwapI( mRegI res, mRegP mem_ptr, mS2RegI oldval, mRegI newval) %{
 12946   match(Set res (CompareAndSwapI mem_ptr (Binary oldval newval)));
 12947   effect(KILL oldval);
 12948 //  match(CompareAndSwapI mem_ptr (Binary oldval newval));
 12949   format %{ "CMPXCHG $newval, [$mem_ptr], $oldval @ compareAndSwapI\n\t"
 12950             "MOV    $res, 1 @ compareAndSwapI\n\t"
 12951             "BNE    AT, R0 @ compareAndSwapI\n\t"
 12952             "MOV    $res, 0 @ compareAndSwapI\n"
 12953           "L:" %}
 12954   ins_encode %{
 12955     Register newval = $newval$$Register;
 12956     Register oldval = $oldval$$Register;
 12957     Register res    = $res$$Register;
 12958     Address  addr($mem_ptr$$Register, 0);    
 12959     Label L;
 12961     __ cmpxchg32(newval, addr, oldval);
 12962     __ move(res, AT);
 12963   %}
 12964   ins_pipe( long_memory_op );
 12965 %}
 12967 //FIXME:
 12968 instruct compareAndSwapP( mRegI res, mRegP mem_ptr, s2_RegP oldval, mRegP newval) %{
 12969   match(Set res (CompareAndSwapP mem_ptr (Binary oldval newval)));
 12970   effect(KILL oldval);
 12971   format %{ "CMPXCHG $newval, [$mem_ptr], $oldval @ compareAndSwapP\n\t"
 12972             "MOV    $res, AT @ compareAndSwapP\n\t"
 12973           "L:" %}
 12974   ins_encode %{
 12975     Register newval = $newval$$Register;
 12976     Register oldval = $oldval$$Register;
 12977     Register res    = $res$$Register;
 12978     Address  addr($mem_ptr$$Register, 0);    
 12979     Label L;
 12981     __ cmpxchg(newval, addr, oldval);
 12982     __ move(res, AT);
 12983   %}
 12984   ins_pipe( long_memory_op );
 12985 %}
 12987 instruct compareAndSwapN( mRegI res, mRegP mem_ptr, t2_RegN oldval, mRegN newval) %{
 12988   match(Set res (CompareAndSwapN mem_ptr (Binary oldval newval)));
 12989   effect(KILL oldval);
 12990   format %{ "CMPXCHG $newval, [$mem_ptr], $oldval @ compareAndSwapN\n\t"
 12991             "MOV    $res, AT @ compareAndSwapN\n\t"
 12992           "L:" %}
 12993   ins_encode %{
 12994     Register newval = $newval$$Register;
 12995     Register oldval = $oldval$$Register;
 12996     Register res    = $res$$Register;
 12997     Address  addr($mem_ptr$$Register, 0);    
 12998     Label L;
 13000     /* 2013/7/19 Jin: cmpxchg32 is implemented with ll/sc, which will do sign extension.
 13001      *      Thus, we should extend oldval's sign for correct comparision.
 13002      */
 13003     __ sll(oldval, oldval, 0);
 13005     __ cmpxchg32(newval, addr, oldval);
 13006     __ move(res, AT);
 13007   %}
 13008   ins_pipe( long_memory_op );
 13009 %}
 13011 //----------Max and Min--------------------------------------------------------
 13012 // Min Instructions
 13013 ////
 13014 //   *** Min and Max using the conditional move are slower than the
 13015 //   *** branch version on a Pentium III.
 13016 // // Conditional move for min
 13017 //instruct cmovI_reg_lt( eRegI op2, eRegI op1, eFlagsReg cr ) %{
 13018 //  effect( USE_DEF op2, USE op1, USE cr );
 13019 //  format %{ "CMOVlt $op2,$op1\t! min" %}
 13020 //  opcode(0x4C,0x0F);
 13021 //  ins_encode( OpcS, OpcP, RegReg( op2, op1 ) );
 13022 //  ins_pipe( pipe_cmov_reg );
 13023 //%}
 13024 //
 13025 //// Min Register with Register (P6 version)
 13026 //instruct minI_eReg_p6( eRegI op1, eRegI op2 ) %{
 13027 //  predicate(VM_Version::supports_cmov() );
 13028 //  match(Set op2 (MinI op1 op2));
 13029 //  ins_cost(200);
 13030 //  expand %{
 13031 //    eFlagsReg cr;
 13032 //    compI_eReg(cr,op1,op2);
 13033 //    cmovI_reg_lt(op2,op1,cr);
 13034 //  %}
 13035 //%}
 13037 // Min Register with Register (generic version)
 13038 instruct minI_Reg_Reg(mRegI dst, mRegI src) %{
 13039   match(Set dst (MinI dst src));
 13040   //effect(KILL flags);
 13041   ins_cost(80);
 13043   format %{ "MIN    $dst, $src @minI_Reg_Reg" %}
 13044   ins_encode %{
 13045     Register dst   = $dst$$Register;
 13046     Register src   = $src$$Register;
 13048     __ slt(AT, src, dst);
 13049     __ movn(dst, src, AT);
 13051   %}
 13053   ins_pipe( pipe_slow );
 13054 %}
 13056 // Max Register with Register
 13057 //   *** Min and Max using the conditional move are slower than the
 13058 //   *** branch version on a Pentium III.
 13059 // // Conditional move for max
 13060 //instruct cmovI_reg_gt( eRegI op2, eRegI op1, eFlagsReg cr ) %{
 13061 //  effect( USE_DEF op2, USE op1, USE cr );
 13062 //  format %{ "CMOVgt $op2,$op1\t! max" %}
 13063 //  opcode(0x4F,0x0F);
 13064 //  ins_encode( OpcS, OpcP, RegReg( op2, op1 ) );
 13065 //  ins_pipe( pipe_cmov_reg );
 13066 //%}
 13067 //
 13068 // // Max Register with Register (P6 version)
 13069 //instruct maxI_eReg_p6( eRegI op1, eRegI op2 ) %{
 13070 //  predicate(VM_Version::supports_cmov() );
 13071 //  match(Set op2 (MaxI op1 op2));
 13072 //  ins_cost(200);
 13073 //  expand %{
 13074 //    eFlagsReg cr;
 13075 //    compI_eReg(cr,op1,op2);
 13076 //    cmovI_reg_gt(op2,op1,cr);
 13077 //  %}
 13078 //%}
 13080 // Max Register with Register (generic version)
 13081 instruct maxI_Reg_Reg(mRegI dst, mRegI src) %{
 13082   match(Set dst (MaxI dst src));
 13083   ins_cost(80);
 13085   format %{ "MAX    $dst, $src @maxI_Reg_Reg" %}
 13087   ins_encode %{
 13088     Register dst   = $dst$$Register;
 13089     Register src   = $src$$Register;
 13091     __ slt(AT, dst, src);
 13092     __ movn(dst, src, AT);
 13094   %}
 13096   ins_pipe( pipe_slow );
 13097 %}
 13099 instruct maxI_Reg_zero(mRegI dst, immI0 zero) %{
 13100   match(Set dst (MaxI dst zero));
 13101   ins_cost(50);
 13103   format %{ "MAX    $dst, 0 @maxI_Reg_zero" %}
 13105   ins_encode %{
 13106     Register dst   = $dst$$Register;
 13108     __ slt(AT, dst, R0);
 13109     __ movn(dst, R0, AT);
 13111   %}
 13113   ins_pipe( pipe_slow );
 13114 %}
 13116 instruct zerox_long_reg_reg(mRegL dst, mRegL src, immL_32bits mask)
 13117 %{
 13118   match(Set dst (AndL src mask));
 13120   format %{ "movl    $dst, $src\t# zero-extend long @ zerox_long_reg_reg" %}
 13121   ins_encode %{
 13122     Register dst = $dst$$Register;
 13123     Register src = $src$$Register;
 13125     __ dext(dst, src, 0, 32);
 13126   %}
 13127   ins_pipe(ialu_regI_regI);
 13128 %}
 13130 instruct combine_i2l(mRegL dst, mRegI src1, immL_32bits mask, mRegI src2, immI_32 shift32)
 13131 %{
 13132   match(Set dst (OrL (AndL (ConvI2L src1) mask) (LShiftL (ConvI2L src2) shift32)));
 13134   format %{ "combine_i2l    $dst, $src2(H), $src1(L) @ combine_i2l" %}
 13135   ins_encode %{
 13136     Register dst  = $dst$$Register;
 13137     Register src1 = $src1$$Register;
 13138     Register src2 = $src2$$Register;
 13140     if (src1 == dst) {
 13141        __ dinsu(dst, src2, 32, 32);
 13142     } else if (src2 == dst) {
 13143        __ dsll32(dst, dst, 0); 
 13144        __ dins(dst, src1, 0, 32);
 13145     } else {
 13146        __ dext(dst, src1, 0, 32);
 13147        __ dinsu(dst, src2, 32, 32);
 13149   %}
 13150   ins_pipe(ialu_regI_regI);
 13151 %}
 13153 // Zero-extend convert int to long
 13154 instruct convI2L_reg_reg_zex(mRegL dst, mRegI src, immL_32bits mask)
 13155 %{
 13156   match(Set dst (AndL (ConvI2L src) mask));
 13158   format %{ "movl    $dst, $src\t# i2l zero-extend @ convI2L_reg_reg_zex" %}
 13159   ins_encode %{
 13160     Register dst = $dst$$Register;
 13161     Register src = $src$$Register;
 13163     __ dext(dst, src, 0, 32);
 13164   %}
 13165   ins_pipe(ialu_regI_regI);
 13166 %}
 13168 instruct convL2I2L_reg_reg_zex(mRegL dst, mRegL src, immL_32bits mask)
 13169 %{
 13170   match(Set dst (AndL (ConvI2L (ConvL2I src)) mask));
 13172   format %{ "movl    $dst, $src\t# i2l zero-extend @ convL2I2L_reg_reg_zex" %}
 13173   ins_encode %{
 13174     Register dst = $dst$$Register;
 13175     Register src = $src$$Register;
 13177     __ dext(dst, src, 0, 32);
 13178   %}
 13179   ins_pipe(ialu_regI_regI);
 13180 %}
 13182 // Match loading integer and casting it to unsigned int in long register.
 13183 // LoadI + ConvI2L + AndL 0xffffffff.
 13184 instruct loadUI2L_rmask(mRegL dst, memory mem, immL_32bits mask) %{
 13185   match(Set dst (AndL (ConvI2L (LoadI mem)) mask));
 13187   format %{ "lwu     $dst, $mem \t// zero-extend to long @ loadUI2L_rmask" %}
 13188   ins_encode (load_N_enc(dst, mem));
 13189   ins_pipe(ialu_loadI);
 13190 %}
 13192 instruct loadUI2L_lmask(mRegL dst, memory mem, immL_32bits mask) %{
 13193   match(Set dst (AndL mask (ConvI2L (LoadI mem))));
 13195   format %{ "lwu     $dst, $mem \t// zero-extend to long @ loadUI2L_lmask" %}
 13196   ins_encode (load_N_enc(dst, mem));
 13197   ins_pipe(ialu_loadI);
 13198 %}
 13201 // ============================================================================
 13202 // Safepoint Instruction
 13203 instruct safePoint_poll_reg(mRegP poll) %{
 13204   match(SafePoint poll);
 13205   predicate(false);
 13206   effect(USE poll);
 13208   ins_cost(125);
 13209   format %{ "Safepoint @ [$poll] : poll for GC @ safePoint_poll_reg" %}
 13211   ins_encode %{
 13212     Register poll_reg = $poll$$Register;
 13214     __ block_comment("Safepoint:");
 13215     __ relocate(relocInfo::poll_type);
 13216     __ lw(AT, poll_reg, 0);
 13217   %}
 13219   ins_pipe( ialu_storeI );
 13220 %}
 13222 instruct safePoint_poll() %{
 13223   match(SafePoint);
 13225   ins_cost(105);
 13226   format %{ "poll for GC @ safePoint_poll" %}
 13228   ins_encode %{
 13229     __ block_comment("Safepoint:");
 13230     __ set64(T9, (long)os::get_polling_page());
 13231     __ relocate(relocInfo::poll_type);
 13232     __ lw(AT, T9, 0);
 13233   %}
 13235   ins_pipe( ialu_storeI );
 13236 %}
 13238 //----------Arithmetic Conversion Instructions---------------------------------
 13240 instruct roundFloat_nop(regF dst)
 13241 %{
 13242   match(Set dst (RoundFloat dst));
 13244   ins_cost(0);
 13245   ins_encode();
 13246   ins_pipe(empty);
 13247 %}
 13249 instruct roundDouble_nop(regD dst)
 13250 %{
 13251   match(Set dst (RoundDouble dst));
 13253   ins_cost(0);
 13254   ins_encode();
 13255   ins_pipe(empty);
 13256 %}
 13258 //---------- Zeros Count Instructions ------------------------------------------
 13259 // CountLeadingZerosINode CountTrailingZerosINode 
 13260 instruct countLeadingZerosI(mRegI dst, mRegI src) %{
 13261   predicate(UseCountLeadingZerosInstruction);
 13262   match(Set dst (CountLeadingZerosI src));
 13264   format %{ "clz  $dst, $src\t# count leading zeros (int)" %}
 13265   ins_encode %{
 13266     __ clz($dst$$Register, $src$$Register);
 13267   %}
 13268   ins_pipe( ialu_regL_regL );
 13269 %}
 13271 instruct countLeadingZerosL(mRegI dst, mRegL src) %{
 13272   predicate(UseCountLeadingZerosInstruction);
 13273   match(Set dst (CountLeadingZerosL src));
 13275   format %{ "dclz  $dst, $src\t# count leading zeros (long)" %}
 13276   ins_encode %{
 13277     __ dclz($dst$$Register, $src$$Register);
 13278   %}
 13279   ins_pipe( ialu_regL_regL );
 13280 %}
 13282 instruct countTrailingZerosI(mRegI dst, mRegI src) %{
 13283   predicate(UseCountTrailingZerosInstruction);
 13284   match(Set dst (CountTrailingZerosI src));
 13286   format %{ "ctz    $dst, $src\t# count trailing zeros (int)" %}
 13287   ins_encode %{
 13288     // ctz and dctz is gs instructions.
 13289     __ ctz($dst$$Register, $src$$Register);
 13290   %}
 13291   ins_pipe( ialu_regL_regL );
 13292 %}
 13294 instruct countTrailingZerosL(mRegI dst, mRegL src) %{
 13295   predicate(UseCountTrailingZerosInstruction);
 13296   match(Set dst (CountTrailingZerosL src));
 13298   format %{ "dcto    $dst, $src\t# count trailing zeros (long)" %}
 13299   ins_encode %{
 13300     __ dctz($dst$$Register, $src$$Register);
 13301   %}
 13302   ins_pipe( ialu_regL_regL );
 13303 %}
 13305 // ====================VECTOR INSTRUCTIONS=====================================
 13307 // Load vectors (8 bytes long)
 13308 instruct loadV8(vecD dst, memory mem) %{
 13309   predicate(n->as_LoadVector()->memory_size() == 8);
 13310   match(Set dst (LoadVector mem));
 13311   ins_cost(125);
 13312   format %{ "load    $dst, $mem\t! load vector (8 bytes)" %}
 13313   ins_encode(load_D_enc(dst, mem));
 13314   ins_pipe( fpu_loadF );
 13315 %}
 13317 // Store vectors (8 bytes long)
 13318 instruct storeV8(memory mem, vecD src) %{
 13319   predicate(n->as_StoreVector()->memory_size() == 8);
 13320   match(Set mem (StoreVector mem src));
 13321   ins_cost(145);
 13322   format %{ "store    $mem, $src\t! store vector (8 bytes)" %}
 13323   ins_encode(store_D_reg_enc(mem, src));
 13324   ins_pipe( fpu_storeF );
 13325 %}
 13327 instruct Repl8B_DSP(vecD dst, mRegI src) %{
 13328   predicate(n->as_Vector()->length() == 8 && Use3A2000);
 13329   match(Set dst (ReplicateB src));
 13330   ins_cost(100);
 13331   format %{ "replv_ob    AT, $src\n\t"
 13332             "dmtc1 AT, $dst\t! replicate8B" %}
 13333   ins_encode %{
 13334     __ replv_ob(AT, $src$$Register);
 13335     __ dmtc1(AT, $dst$$FloatRegister);
 13336   %}
 13337   ins_pipe( pipe_mtc1 );
 13338 %}
 13340 instruct Repl8B(vecD dst, mRegI src) %{
 13341   predicate(n->as_Vector()->length() == 8);
 13342   match(Set dst (ReplicateB src));
 13343   ins_cost(140);
 13344   format %{ "move       AT,  $src\n\t"
 13345             "dins  AT, AT,  8,  8\n\t"
 13346             "dins  AT, AT, 16, 16\n\t"
 13347             "dinsu AT, AT, 32, 32\n\t"
 13348             "dmtc1 AT, $dst\t! replicate8B" %}
 13349   ins_encode %{
 13350     __ move(AT, $src$$Register);
 13351     __ dins(AT, AT, 8, 8);
 13352     __ dins(AT, AT, 16, 16);
 13353     __ dinsu(AT, AT, 32, 32);
 13354     __ dmtc1(AT, $dst$$FloatRegister);
 13355   %}
 13356   ins_pipe( pipe_mtc1 );
 13357 %}
 13359 instruct Repl8B_imm_DSP(vecD dst, immI con) %{
 13360   predicate(n->as_Vector()->length() == 8 && Use3A2000);
 13361   match(Set dst (ReplicateB con));
 13362   ins_cost(110);
 13363   format %{ "repl_ob    AT, [$con]\n\t"
 13364             "dmtc1 AT, $dst,0x00\t! replicate8B($con)" %}
 13365   ins_encode %{
 13366     int      val = $con$$constant;
 13367     __ repl_ob(AT, val);
 13368     __ dmtc1(AT, $dst$$FloatRegister);
 13369   %}
 13370   ins_pipe( pipe_mtc1 );
 13371 %}
 13373 instruct Repl8B_imm(vecD dst, immI con) %{
 13374   predicate(n->as_Vector()->length() == 8);
 13375   match(Set dst (ReplicateB con));
 13376   ins_cost(150);
 13377   format %{ "move      AT, [$con]\n\t"
 13378             "dins  AT, AT,  8,  8\n\t"
 13379             "dins  AT, AT, 16, 16\n\t"
 13380             "dinsu AT, AT, 32, 32\n\t"
 13381             "dmtc1 AT, $dst,0x00\t! replicate8B($con)" %}
 13382   ins_encode %{
 13383     __ move(AT, $con$$constant);
 13384     __ dins(AT, AT, 8, 8);
 13385     __ dins(AT, AT, 16, 16);
 13386     __ dinsu(AT, AT, 32, 32);
 13387     __ dmtc1(AT, $dst$$FloatRegister);
 13388   %}
 13389   ins_pipe( pipe_mtc1 );
 13390 %}
 13392 instruct Repl8B_zero(vecD dst, immI0 zero) %{
 13393   predicate(n->as_Vector()->length() == 8);
 13394   match(Set dst (ReplicateB zero));
 13395   ins_cost(90);
 13396   format %{ "dmtc1    R0, $dst\t! replicate8B zero" %}
 13397   ins_encode %{
 13398     __ dmtc1(R0, $dst$$FloatRegister);
 13399   %}
 13400   ins_pipe( pipe_mtc1 );
 13401 %}
 13403 instruct Repl8B_M1(vecD dst, immI_M1 M1) %{
 13404   predicate(n->as_Vector()->length() == 8);
 13405   match(Set dst (ReplicateB M1));
 13406   ins_cost(80);
 13407   format %{ "dmtc1    -1, $dst\t! replicate8B -1" %}
 13408   ins_encode %{
 13409     __ nor(AT, R0, R0);
 13410     __ dmtc1(AT, $dst$$FloatRegister);
 13411   %}
 13412   ins_pipe( pipe_mtc1 );
 13413 %}
 13415 instruct Repl4S_DSP(vecD dst, mRegI src) %{
 13416   predicate(n->as_Vector()->length() == 4 && Use3A2000);
 13417   match(Set dst (ReplicateS src));
 13418   ins_cost(100);
 13419   format %{ "replv_qh    AT, $src\n\t"
 13420             "dmtc1 AT, $dst\t! replicate4S" %}
 13421   ins_encode %{
 13422     __ replv_qh(AT, $src$$Register);
 13423     __ dmtc1(AT, $dst$$FloatRegister);
 13424   %}
 13425   ins_pipe( pipe_mtc1 );
 13426 %}
 13428 instruct Repl4S(vecD dst, mRegI src) %{
 13429   predicate(n->as_Vector()->length() == 4);
 13430   match(Set dst (ReplicateS src));
 13431   ins_cost(120);
 13432   format %{ "move    AT,     $src  \n\t"
 13433             "dins    AT, AT, 16, 16\n\t"
 13434             "dinsu   AT, AT, 32, 32\n\t"
 13435             "dmtc1 AT, $dst\t! replicate4S" %}
 13436   ins_encode %{
 13437     __ move(AT, $src$$Register);
 13438     __ dins(AT, AT, 16, 16);
 13439     __ dinsu(AT, AT, 32, 32);
 13440     __ dmtc1(AT, $dst$$FloatRegister);
 13441   %}
 13442   ins_pipe( pipe_mtc1 );
 13443 %}
 13445 instruct Repl4S_imm_DSP(vecD dst, immI con) %{
 13446   predicate(n->as_Vector()->length() == 4 && Use3A2000);
 13447   match(Set dst (ReplicateS con));
 13448   ins_cost(100);
 13449   format %{ "replv_qh    AT, [$con]\n\t"
 13450             "dmtc1 AT, $dst\t! replicate4S($con)" %}
 13451   ins_encode %{
 13452     int      val = $con$$constant;
 13453     if ( Assembler::is_simm(val, 10)) {
 13454       //repl_qh supports 10 bits immediate
 13455       __ repl_qh(AT, val);
 13456     } else {
 13457       __ li32(AT, val);
 13458       __ replv_qh(AT, AT);
 13460     __ dmtc1(AT, $dst$$FloatRegister);
 13461   %}
 13462   ins_pipe( pipe_mtc1 );
 13463 %}
 13465 instruct Repl4S_imm(vecD dst, immI con) %{
 13466   predicate(n->as_Vector()->length() == 4);
 13467   match(Set dst (ReplicateS con));
 13468   ins_cost(110);
 13469   format %{ "move    AT,   [$con]\n\t"
 13470             "dins  AT, AT, 16, 16\n\t"
 13471             "dinsu AT, AT, 32, 32\n\t"
 13472             "dmtc1 AT, $dst\t! replicate4S($con)" %}
 13473   ins_encode %{
 13474     __ move(AT, $con$$constant);
 13475     __ dins(AT, AT, 16, 16);
 13476     __ dinsu(AT, AT, 32, 32);
 13477     __ dmtc1(AT, $dst$$FloatRegister);
 13478   %}
 13479   ins_pipe( pipe_mtc1 );
 13480 %}
 13482 instruct Repl4S_zero(vecD dst, immI0 zero) %{
 13483   predicate(n->as_Vector()->length() == 4);
 13484   match(Set dst (ReplicateS zero));
 13485   format %{ "dmtc1    R0, $dst\t! replicate4S zero" %}
 13486   ins_encode %{
 13487     __ dmtc1(R0, $dst$$FloatRegister);
 13488   %}
 13489   ins_pipe( pipe_mtc1 );
 13490 %}
 13492 instruct Repl4S_M1(vecD dst, immI_M1 M1) %{
 13493   predicate(n->as_Vector()->length() == 4);
 13494   match(Set dst (ReplicateS M1));
 13495   format %{ "dmtc1    -1, $dst\t! replicate4S -1" %}
 13496   ins_encode %{
 13497     __ nor(AT, R0, R0);
 13498     __ dmtc1(AT, $dst$$FloatRegister);
 13499   %}
 13500   ins_pipe( pipe_mtc1 );
 13501 %}
 13503 // Replicate integer (4 byte) scalar to be vector
 13504 instruct Repl2I(vecD dst, mRegI src) %{
 13505   predicate(n->as_Vector()->length() == 2);
 13506   match(Set dst (ReplicateI src));
 13507   format %{ "dins    AT, $src, 0, 32\n\t"
 13508             "dinsu   AT, $src, 32, 32\n\t"
 13509             "dmtc1   AT, $dst\t! replicate2I" %}
 13510   ins_encode %{
 13511     __ dins(AT, $src$$Register, 0, 32);
 13512     __ dinsu(AT, $src$$Register, 32, 32);
 13513     __ dmtc1(AT, $dst$$FloatRegister);
 13514   %}
 13515   ins_pipe( pipe_mtc1 );
 13516 %}
 13518 // Replicate integer (4 byte) scalar immediate to be vector by loading from const table.
 13519 instruct Repl2I_imm(vecD dst, immI con, mA7RegI tmp) %{
 13520   predicate(n->as_Vector()->length() == 2);
 13521   match(Set dst (ReplicateI con));
 13522   effect(KILL tmp);
 13523   format %{ "li32    AT, [$con], 32\n\t"
 13524             "dinsu   AT,         AT\n\t"
 13525             "dmtc1   AT, $dst\t! replicate2I($con)" %}
 13526   ins_encode %{
 13527     int      val = $con$$constant;
 13528     __ li32(AT, val);
 13529     __ dinsu(AT, AT, 32, 32);
 13530     __ dmtc1(AT, $dst$$FloatRegister);
 13531   %}
 13532   ins_pipe( pipe_mtc1 );
 13533 %}
 13535 // Replicate integer (4 byte) scalar zero to be vector
 13536 instruct Repl2I_zero(vecD dst, immI0 zero) %{
 13537   predicate(n->as_Vector()->length() == 2);
 13538   match(Set dst (ReplicateI zero));
 13539   format %{ "dmtc1    R0, $dst\t! replicate2I zero" %}
 13540   ins_encode %{
 13541     __ dmtc1(R0, $dst$$FloatRegister);
 13542   %}
 13543   ins_pipe( pipe_mtc1 );
 13544 %}
 13546 // Replicate integer (4 byte) scalar -1 to be vector
 13547 instruct Repl2I_M1(vecD dst, immI_M1 M1) %{
 13548   predicate(n->as_Vector()->length() == 2);
 13549   match(Set dst (ReplicateI M1));
 13550   format %{ "dmtc1    -1, $dst\t! replicate2I -1, use AT" %}
 13551   ins_encode %{
 13552     __ nor(AT, R0, R0);
 13553     __ dmtc1(AT, $dst$$FloatRegister);
 13554   %}
 13555   ins_pipe( pipe_mtc1 );
 13556 %}
 13558 // Replicate float (4 byte) scalar to be vector
 13559 instruct Repl2F(vecD dst, regF src) %{
 13560   predicate(n->as_Vector()->length() == 2);
 13561   match(Set dst (ReplicateF src));
 13562   format %{ "cvt.ps  $dst, $src, $src\t! replicate2F" %}
 13563   ins_encode %{
 13564     __ cvt_ps_s($dst$$FloatRegister, $src$$FloatRegister, $src$$FloatRegister);
 13565   %}
 13566   ins_pipe( pipe_slow );
 13567 %}
 13569 // Replicate float (4 byte) scalar zero to be vector
 13570 instruct Repl2F_zero(vecD dst, immF0 zero) %{
 13571   predicate(n->as_Vector()->length() == 2);
 13572   match(Set dst (ReplicateF zero));
 13573   format %{ "dmtc1   R0, $dst\t! replicate2F zero" %}
 13574   ins_encode %{
 13575     __ dmtc1(R0, $dst$$FloatRegister);
 13576   %}
 13577   ins_pipe( pipe_mtc1 );
 13578 %}
 13581 // ====================VECTOR ARITHMETIC=======================================
 13583 // --------------------------------- ADD --------------------------------------
 13585 // Floats vector add
 13586 // kernel does not have emulation of PS instructions yet, so PS instructions is disabled.
 13587 instruct vadd2F(vecD dst, vecD src) %{
 13588   predicate(n->as_Vector()->length() == 2);
 13589   match(Set dst (AddVF dst src));
 13590   format %{ "add.ps   $dst,$src\t! add packed2F" %}
 13591   ins_encode %{
 13592     __ add_ps($dst$$FloatRegister, $dst$$FloatRegister, $src$$FloatRegister);
 13593   %}
 13594   ins_pipe( pipe_slow );
 13595 %}
 13597 instruct vadd2F3(vecD dst, vecD src1, vecD src2) %{
 13598   predicate(n->as_Vector()->length() == 2);
 13599   match(Set dst (AddVF src1 src2));
 13600   format %{ "add.ps   $dst,$src1,$src2\t! add packed2F" %}
 13601   ins_encode %{
 13602     __ add_ps($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister);
 13603   %}
 13604   ins_pipe( fpu_regF_regF );
 13605 %}
 13607 // --------------------------------- SUB --------------------------------------
 13609 // Floats vector sub
 13610 instruct vsub2F(vecD dst, vecD src) %{
 13611   predicate(n->as_Vector()->length() == 2);
 13612   match(Set dst (SubVF dst src));
 13613   format %{ "sub.ps   $dst,$src\t! sub packed2F" %}
 13614   ins_encode %{
 13615     __ sub_ps($dst$$FloatRegister, $dst$$FloatRegister, $src$$FloatRegister);
 13616   %}
 13617   ins_pipe( fpu_regF_regF );
 13618 %}
 13620 // --------------------------------- MUL --------------------------------------
 13622 // Floats vector mul
 13623 instruct vmul2F(vecD dst, vecD src) %{
 13624   predicate(n->as_Vector()->length() == 2);
 13625   match(Set dst (MulVF dst src));
 13626   format %{ "mul.ps   $dst, $src\t! mul packed2F" %}
 13627   ins_encode %{
 13628     __ mul_ps($dst$$FloatRegister, $dst$$FloatRegister, $src$$FloatRegister);
 13629   %}
 13630   ins_pipe( fpu_regF_regF );
 13631 %}
 13633 instruct vmul2F3(vecD dst, vecD src1, vecD src2) %{
 13634   predicate(n->as_Vector()->length() == 2);
 13635   match(Set dst (MulVF src1 src2));
 13636   format %{ "mul.ps   $dst, $src1, $src2\t! mul packed2F" %}
 13637   ins_encode %{
 13638     __ mul_ps($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister);
 13639   %}
 13640   ins_pipe( fpu_regF_regF );
 13641 %}
 13643 // --------------------------------- DIV --------------------------------------
 13644 // MIPS do not have div.ps
 13646 // --------------------------------- MADD --------------------------------------
 13647 // Floats vector madd
 13648 //instruct vmadd2F(vecD dst, vecD src1, vecD src2, vecD src3) %{
 13649 //  predicate(n->as_Vector()->length() == 2);
 13650 //  match(Set dst (AddVF (MulVF src1 src2) src3));
 13651 //  ins_cost(50);
 13652 //  format %{ "madd.ps   $dst, $src3, $src1, $src2\t! madd packed2F" %}
 13653 //  ins_encode %{
 13654 //    __ madd_ps($dst$$FloatRegister, $src3$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister);
 13655 //  %}
 13656 //  ins_pipe( fpu_regF_regF );
 13657 //%}
 13660 //----------PEEPHOLE RULES-----------------------------------------------------
 13661 // These must follow all instruction definitions as they use the names
 13662 // defined in the instructions definitions.
 13663 // 
 13664 // peepmatch ( root_instr_name [preceeding_instruction]* );
 13665 //
 13666 // peepconstraint %{
 13667 // (instruction_number.operand_name relational_op instruction_number.operand_name
 13668 //  [, ...] );
 13669 // // instruction numbers are zero-based using left to right order in peepmatch
 13670 //
 13671 // peepreplace ( instr_name  ( [instruction_number.operand_name]* ) );
 13672 // // provide an instruction_number.operand_name for each operand that appears
 13673 // // in the replacement instruction's match rule
 13674 //
 13675 // ---------VM FLAGS---------------------------------------------------------
 13676 // 
 13677 // All peephole optimizations can be turned off using -XX:-OptoPeephole
 13678 // 
 13679 // Each peephole rule is given an identifying number starting with zero and
 13680 // increasing by one in the order seen by the parser.  An individual peephole
 13681 // can be enabled, and all others disabled, by using -XX:OptoPeepholeAt=#
 13682 // on the command-line.
 13683 // 
 13684 // ---------CURRENT LIMITATIONS----------------------------------------------
 13685 // 
 13686 // Only match adjacent instructions in same basic block
 13687 // Only equality constraints
 13688 // Only constraints between operands, not (0.dest_reg == EAX_enc)
 13689 // Only one replacement instruction
 13690 //
 13691 // ---------EXAMPLE----------------------------------------------------------
 13692 //
 13693 // // pertinent parts of existing instructions in architecture description
 13694 // instruct movI(eRegI dst, eRegI src) %{
 13695 //   match(Set dst (CopyI src));
 13696 // %}
 13697 // 
 13698 // instruct incI_eReg(eRegI dst, immI1 src, eFlagsReg cr) %{
 13699 //   match(Set dst (AddI dst src));
 13700 //   effect(KILL cr);
 13701 // %}
 13702 // 
 13703 // // Change (inc mov) to lea
 13704 // peephole %{
 13705 //   // increment preceeded by register-register move
 13706 //   peepmatch ( incI_eReg movI );
 13707 //   // require that the destination register of the increment 
 13708 //   // match the destination register of the move
 13709 //   peepconstraint ( 0.dst == 1.dst );
 13710 //   // construct a replacement instruction that sets
 13711 //   // the destination to ( move's source register + one )
 13712 //   peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) );
 13713 // %}
 13714 // 
 13715 // Implementation no longer uses movX instructions since 
 13716 // machine-independent system no longer uses CopyX nodes.
 13717 // 
 13718 // peephole %{
 13719 //   peepmatch ( incI_eReg movI );
 13720 //   peepconstraint ( 0.dst == 1.dst );
 13721 //   peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) );
 13722 // %}
 13723 // 
 13724 // peephole %{
 13725 //   peepmatch ( decI_eReg movI );
 13726 //   peepconstraint ( 0.dst == 1.dst );
 13727 //   peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) );
 13728 // %}
 13729 // 
 13730 // peephole %{
 13731 //   peepmatch ( addI_eReg_imm movI );
 13732 //   peepconstraint ( 0.dst == 1.dst );
 13733 //   peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) );
 13734 // %}
 13735 // 
 13736 // peephole %{
 13737 //   peepmatch ( addP_eReg_imm movP );
 13738 //   peepconstraint ( 0.dst == 1.dst );
 13739 //   peepreplace ( leaP_eReg_immI( 0.dst 1.src 0.src ) );
 13740 // %}
 13742 // // Change load of spilled value to only a spill
 13743 // instruct storeI(memory mem, eRegI src) %{
 13744 //   match(Set mem (StoreI mem src));
 13745 // %}
 13746 // 
 13747 // instruct loadI(eRegI dst, memory mem) %{
 13748 //   match(Set dst (LoadI mem));
 13749 // %}
 13750 // 
 13751 //peephole %{
 13752 //  peepmatch ( loadI storeI );
 13753 //  peepconstraint ( 1.src == 0.dst, 1.mem == 0.mem );
 13754 //  peepreplace ( storeI( 1.mem 1.mem 1.src ) );
 13755 //%}
 13757 //----------SMARTSPILL RULES---------------------------------------------------
 13758 // These must follow all instruction definitions as they use the names
 13759 // defined in the instructions definitions.

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