Wed, 04 Jun 2008 21:56:27 -0700
6709165: Tests hang or misbahve with HS 13.0-b01 on solaris-sparcv9
Reviewed-by: kvn, jrose
1 //
2 // Copyright 1998-2007 Sun Microsystems, Inc. All Rights Reserved.
3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 //
5 // This code is free software; you can redistribute it and/or modify it
6 // under the terms of the GNU General Public License version 2 only, as
7 // published by the Free Software Foundation.
8 //
9 // This code is distributed in the hope that it will be useful, but WITHOUT
10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 // version 2 for more details (a copy is included in the LICENSE file that
13 // accompanied this code).
14 //
15 // You should have received a copy of the GNU General Public License version
16 // 2 along with this work; if not, write to the Free Software Foundation,
17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 //
19 // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 // CA 95054 USA or visit www.sun.com if you need additional information or
21 // have any questions.
22 //
23 //
25 // SPARC Architecture Description File
27 //----------REGISTER DEFINITION BLOCK------------------------------------------
28 // This information is used by the matcher and the register allocator to
29 // describe individual registers and classes of registers within the target
30 // archtecture.
31 register %{
32 //----------Architecture Description Register Definitions----------------------
33 // General Registers
34 // "reg_def" name ( register save type, C convention save type,
35 // ideal register type, encoding, vm name );
36 // Register Save Types:
37 //
38 // NS = No-Save: The register allocator assumes that these registers
39 // can be used without saving upon entry to the method, &
40 // that they do not need to be saved at call sites.
41 //
42 // SOC = Save-On-Call: The register allocator assumes that these registers
43 // can be used without saving upon entry to the method,
44 // but that they must be saved at call sites.
45 //
46 // SOE = Save-On-Entry: The register allocator assumes that these registers
47 // must be saved before using them upon entry to the
48 // method, but they do not need to be saved at call
49 // sites.
50 //
51 // AS = Always-Save: The register allocator assumes that these registers
52 // must be saved before using them upon entry to the
53 // method, & that they must be saved at call sites.
54 //
55 // Ideal Register Type is used to determine how to save & restore a
56 // register. Op_RegI will get spilled with LoadI/StoreI, Op_RegP will get
57 // spilled with LoadP/StoreP. If the register supports both, use Op_RegI.
58 //
59 // The encoding number is the actual bit-pattern placed into the opcodes.
62 // ----------------------------
63 // Integer/Long Registers
64 // ----------------------------
66 // Need to expose the hi/lo aspect of 64-bit registers
67 // This register set is used for both the 64-bit build and
68 // the 32-bit build with 1-register longs.
70 // Global Registers 0-7
71 reg_def R_G0H( NS, NS, Op_RegI,128, G0->as_VMReg()->next());
72 reg_def R_G0 ( NS, NS, Op_RegI, 0, G0->as_VMReg());
73 reg_def R_G1H(SOC, SOC, Op_RegI,129, G1->as_VMReg()->next());
74 reg_def R_G1 (SOC, SOC, Op_RegI, 1, G1->as_VMReg());
75 reg_def R_G2H( NS, NS, Op_RegI,130, G2->as_VMReg()->next());
76 reg_def R_G2 ( NS, NS, Op_RegI, 2, G2->as_VMReg());
77 reg_def R_G3H(SOC, SOC, Op_RegI,131, G3->as_VMReg()->next());
78 reg_def R_G3 (SOC, SOC, Op_RegI, 3, G3->as_VMReg());
79 reg_def R_G4H(SOC, SOC, Op_RegI,132, G4->as_VMReg()->next());
80 reg_def R_G4 (SOC, SOC, Op_RegI, 4, G4->as_VMReg());
81 reg_def R_G5H(SOC, SOC, Op_RegI,133, G5->as_VMReg()->next());
82 reg_def R_G5 (SOC, SOC, Op_RegI, 5, G5->as_VMReg());
83 reg_def R_G6H( NS, NS, Op_RegI,134, G6->as_VMReg()->next());
84 reg_def R_G6 ( NS, NS, Op_RegI, 6, G6->as_VMReg());
85 reg_def R_G7H( NS, NS, Op_RegI,135, G7->as_VMReg()->next());
86 reg_def R_G7 ( NS, NS, Op_RegI, 7, G7->as_VMReg());
88 // Output Registers 0-7
89 reg_def R_O0H(SOC, SOC, Op_RegI,136, O0->as_VMReg()->next());
90 reg_def R_O0 (SOC, SOC, Op_RegI, 8, O0->as_VMReg());
91 reg_def R_O1H(SOC, SOC, Op_RegI,137, O1->as_VMReg()->next());
92 reg_def R_O1 (SOC, SOC, Op_RegI, 9, O1->as_VMReg());
93 reg_def R_O2H(SOC, SOC, Op_RegI,138, O2->as_VMReg()->next());
94 reg_def R_O2 (SOC, SOC, Op_RegI, 10, O2->as_VMReg());
95 reg_def R_O3H(SOC, SOC, Op_RegI,139, O3->as_VMReg()->next());
96 reg_def R_O3 (SOC, SOC, Op_RegI, 11, O3->as_VMReg());
97 reg_def R_O4H(SOC, SOC, Op_RegI,140, O4->as_VMReg()->next());
98 reg_def R_O4 (SOC, SOC, Op_RegI, 12, O4->as_VMReg());
99 reg_def R_O5H(SOC, SOC, Op_RegI,141, O5->as_VMReg()->next());
100 reg_def R_O5 (SOC, SOC, Op_RegI, 13, O5->as_VMReg());
101 reg_def R_SPH( NS, NS, Op_RegI,142, SP->as_VMReg()->next());
102 reg_def R_SP ( NS, NS, Op_RegI, 14, SP->as_VMReg());
103 reg_def R_O7H(SOC, SOC, Op_RegI,143, O7->as_VMReg()->next());
104 reg_def R_O7 (SOC, SOC, Op_RegI, 15, O7->as_VMReg());
106 // Local Registers 0-7
107 reg_def R_L0H( NS, NS, Op_RegI,144, L0->as_VMReg()->next());
108 reg_def R_L0 ( NS, NS, Op_RegI, 16, L0->as_VMReg());
109 reg_def R_L1H( NS, NS, Op_RegI,145, L1->as_VMReg()->next());
110 reg_def R_L1 ( NS, NS, Op_RegI, 17, L1->as_VMReg());
111 reg_def R_L2H( NS, NS, Op_RegI,146, L2->as_VMReg()->next());
112 reg_def R_L2 ( NS, NS, Op_RegI, 18, L2->as_VMReg());
113 reg_def R_L3H( NS, NS, Op_RegI,147, L3->as_VMReg()->next());
114 reg_def R_L3 ( NS, NS, Op_RegI, 19, L3->as_VMReg());
115 reg_def R_L4H( NS, NS, Op_RegI,148, L4->as_VMReg()->next());
116 reg_def R_L4 ( NS, NS, Op_RegI, 20, L4->as_VMReg());
117 reg_def R_L5H( NS, NS, Op_RegI,149, L5->as_VMReg()->next());
118 reg_def R_L5 ( NS, NS, Op_RegI, 21, L5->as_VMReg());
119 reg_def R_L6H( NS, NS, Op_RegI,150, L6->as_VMReg()->next());
120 reg_def R_L6 ( NS, NS, Op_RegI, 22, L6->as_VMReg());
121 reg_def R_L7H( NS, NS, Op_RegI,151, L7->as_VMReg()->next());
122 reg_def R_L7 ( NS, NS, Op_RegI, 23, L7->as_VMReg());
124 // Input Registers 0-7
125 reg_def R_I0H( NS, NS, Op_RegI,152, I0->as_VMReg()->next());
126 reg_def R_I0 ( NS, NS, Op_RegI, 24, I0->as_VMReg());
127 reg_def R_I1H( NS, NS, Op_RegI,153, I1->as_VMReg()->next());
128 reg_def R_I1 ( NS, NS, Op_RegI, 25, I1->as_VMReg());
129 reg_def R_I2H( NS, NS, Op_RegI,154, I2->as_VMReg()->next());
130 reg_def R_I2 ( NS, NS, Op_RegI, 26, I2->as_VMReg());
131 reg_def R_I3H( NS, NS, Op_RegI,155, I3->as_VMReg()->next());
132 reg_def R_I3 ( NS, NS, Op_RegI, 27, I3->as_VMReg());
133 reg_def R_I4H( NS, NS, Op_RegI,156, I4->as_VMReg()->next());
134 reg_def R_I4 ( NS, NS, Op_RegI, 28, I4->as_VMReg());
135 reg_def R_I5H( NS, NS, Op_RegI,157, I5->as_VMReg()->next());
136 reg_def R_I5 ( NS, NS, Op_RegI, 29, I5->as_VMReg());
137 reg_def R_FPH( NS, NS, Op_RegI,158, FP->as_VMReg()->next());
138 reg_def R_FP ( NS, NS, Op_RegI, 30, FP->as_VMReg());
139 reg_def R_I7H( NS, NS, Op_RegI,159, I7->as_VMReg()->next());
140 reg_def R_I7 ( NS, NS, Op_RegI, 31, I7->as_VMReg());
142 // ----------------------------
143 // Float/Double Registers
144 // ----------------------------
146 // Float Registers
147 reg_def R_F0 ( SOC, SOC, Op_RegF, 0, F0->as_VMReg());
148 reg_def R_F1 ( SOC, SOC, Op_RegF, 1, F1->as_VMReg());
149 reg_def R_F2 ( SOC, SOC, Op_RegF, 2, F2->as_VMReg());
150 reg_def R_F3 ( SOC, SOC, Op_RegF, 3, F3->as_VMReg());
151 reg_def R_F4 ( SOC, SOC, Op_RegF, 4, F4->as_VMReg());
152 reg_def R_F5 ( SOC, SOC, Op_RegF, 5, F5->as_VMReg());
153 reg_def R_F6 ( SOC, SOC, Op_RegF, 6, F6->as_VMReg());
154 reg_def R_F7 ( SOC, SOC, Op_RegF, 7, F7->as_VMReg());
155 reg_def R_F8 ( SOC, SOC, Op_RegF, 8, F8->as_VMReg());
156 reg_def R_F9 ( SOC, SOC, Op_RegF, 9, F9->as_VMReg());
157 reg_def R_F10( SOC, SOC, Op_RegF, 10, F10->as_VMReg());
158 reg_def R_F11( SOC, SOC, Op_RegF, 11, F11->as_VMReg());
159 reg_def R_F12( SOC, SOC, Op_RegF, 12, F12->as_VMReg());
160 reg_def R_F13( SOC, SOC, Op_RegF, 13, F13->as_VMReg());
161 reg_def R_F14( SOC, SOC, Op_RegF, 14, F14->as_VMReg());
162 reg_def R_F15( SOC, SOC, Op_RegF, 15, F15->as_VMReg());
163 reg_def R_F16( SOC, SOC, Op_RegF, 16, F16->as_VMReg());
164 reg_def R_F17( SOC, SOC, Op_RegF, 17, F17->as_VMReg());
165 reg_def R_F18( SOC, SOC, Op_RegF, 18, F18->as_VMReg());
166 reg_def R_F19( SOC, SOC, Op_RegF, 19, F19->as_VMReg());
167 reg_def R_F20( SOC, SOC, Op_RegF, 20, F20->as_VMReg());
168 reg_def R_F21( SOC, SOC, Op_RegF, 21, F21->as_VMReg());
169 reg_def R_F22( SOC, SOC, Op_RegF, 22, F22->as_VMReg());
170 reg_def R_F23( SOC, SOC, Op_RegF, 23, F23->as_VMReg());
171 reg_def R_F24( SOC, SOC, Op_RegF, 24, F24->as_VMReg());
172 reg_def R_F25( SOC, SOC, Op_RegF, 25, F25->as_VMReg());
173 reg_def R_F26( SOC, SOC, Op_RegF, 26, F26->as_VMReg());
174 reg_def R_F27( SOC, SOC, Op_RegF, 27, F27->as_VMReg());
175 reg_def R_F28( SOC, SOC, Op_RegF, 28, F28->as_VMReg());
176 reg_def R_F29( SOC, SOC, Op_RegF, 29, F29->as_VMReg());
177 reg_def R_F30( SOC, SOC, Op_RegF, 30, F30->as_VMReg());
178 reg_def R_F31( SOC, SOC, Op_RegF, 31, F31->as_VMReg());
180 // Double Registers
181 // The rules of ADL require that double registers be defined in pairs.
182 // Each pair must be two 32-bit values, but not necessarily a pair of
183 // single float registers. In each pair, ADLC-assigned register numbers
184 // must be adjacent, with the lower number even. Finally, when the
185 // CPU stores such a register pair to memory, the word associated with
186 // the lower ADLC-assigned number must be stored to the lower address.
188 // These definitions specify the actual bit encodings of the sparc
189 // double fp register numbers. FloatRegisterImpl in register_sparc.hpp
190 // wants 0-63, so we have to convert every time we want to use fp regs
191 // with the macroassembler, using reg_to_DoubleFloatRegister_object().
192 // 255 is a flag meaning 'dont go here'.
193 // I believe we can't handle callee-save doubles D32 and up until
194 // the place in the sparc stack crawler that asserts on the 255 is
195 // fixed up.
196 reg_def R_D32x(SOC, SOC, Op_RegD,255, F32->as_VMReg());
197 reg_def R_D32 (SOC, SOC, Op_RegD, 1, F32->as_VMReg()->next());
198 reg_def R_D34x(SOC, SOC, Op_RegD,255, F34->as_VMReg());
199 reg_def R_D34 (SOC, SOC, Op_RegD, 3, F34->as_VMReg()->next());
200 reg_def R_D36x(SOC, SOC, Op_RegD,255, F36->as_VMReg());
201 reg_def R_D36 (SOC, SOC, Op_RegD, 5, F36->as_VMReg()->next());
202 reg_def R_D38x(SOC, SOC, Op_RegD,255, F38->as_VMReg());
203 reg_def R_D38 (SOC, SOC, Op_RegD, 7, F38->as_VMReg()->next());
204 reg_def R_D40x(SOC, SOC, Op_RegD,255, F40->as_VMReg());
205 reg_def R_D40 (SOC, SOC, Op_RegD, 9, F40->as_VMReg()->next());
206 reg_def R_D42x(SOC, SOC, Op_RegD,255, F42->as_VMReg());
207 reg_def R_D42 (SOC, SOC, Op_RegD, 11, F42->as_VMReg()->next());
208 reg_def R_D44x(SOC, SOC, Op_RegD,255, F44->as_VMReg());
209 reg_def R_D44 (SOC, SOC, Op_RegD, 13, F44->as_VMReg()->next());
210 reg_def R_D46x(SOC, SOC, Op_RegD,255, F46->as_VMReg());
211 reg_def R_D46 (SOC, SOC, Op_RegD, 15, F46->as_VMReg()->next());
212 reg_def R_D48x(SOC, SOC, Op_RegD,255, F48->as_VMReg());
213 reg_def R_D48 (SOC, SOC, Op_RegD, 17, F48->as_VMReg()->next());
214 reg_def R_D50x(SOC, SOC, Op_RegD,255, F50->as_VMReg());
215 reg_def R_D50 (SOC, SOC, Op_RegD, 19, F50->as_VMReg()->next());
216 reg_def R_D52x(SOC, SOC, Op_RegD,255, F52->as_VMReg());
217 reg_def R_D52 (SOC, SOC, Op_RegD, 21, F52->as_VMReg()->next());
218 reg_def R_D54x(SOC, SOC, Op_RegD,255, F54->as_VMReg());
219 reg_def R_D54 (SOC, SOC, Op_RegD, 23, F54->as_VMReg()->next());
220 reg_def R_D56x(SOC, SOC, Op_RegD,255, F56->as_VMReg());
221 reg_def R_D56 (SOC, SOC, Op_RegD, 25, F56->as_VMReg()->next());
222 reg_def R_D58x(SOC, SOC, Op_RegD,255, F58->as_VMReg());
223 reg_def R_D58 (SOC, SOC, Op_RegD, 27, F58->as_VMReg()->next());
224 reg_def R_D60x(SOC, SOC, Op_RegD,255, F60->as_VMReg());
225 reg_def R_D60 (SOC, SOC, Op_RegD, 29, F60->as_VMReg()->next());
226 reg_def R_D62x(SOC, SOC, Op_RegD,255, F62->as_VMReg());
227 reg_def R_D62 (SOC, SOC, Op_RegD, 31, F62->as_VMReg()->next());
230 // ----------------------------
231 // Special Registers
232 // Condition Codes Flag Registers
233 // I tried to break out ICC and XCC but it's not very pretty.
234 // Every Sparc instruction which defs/kills one also kills the other.
235 // Hence every compare instruction which defs one kind of flags ends
236 // up needing a kill of the other.
237 reg_def CCR (SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad());
239 reg_def FCC0(SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad());
240 reg_def FCC1(SOC, SOC, Op_RegFlags, 1, VMRegImpl::Bad());
241 reg_def FCC2(SOC, SOC, Op_RegFlags, 2, VMRegImpl::Bad());
242 reg_def FCC3(SOC, SOC, Op_RegFlags, 3, VMRegImpl::Bad());
244 // ----------------------------
245 // Specify the enum values for the registers. These enums are only used by the
246 // OptoReg "class". We can convert these enum values at will to VMReg when needed
247 // for visibility to the rest of the vm. The order of this enum influences the
248 // register allocator so having the freedom to set this order and not be stuck
249 // with the order that is natural for the rest of the vm is worth it.
250 alloc_class chunk0(
251 R_L0,R_L0H, R_L1,R_L1H, R_L2,R_L2H, R_L3,R_L3H, R_L4,R_L4H, R_L5,R_L5H, R_L6,R_L6H, R_L7,R_L7H,
252 R_G0,R_G0H, R_G1,R_G1H, R_G2,R_G2H, R_G3,R_G3H, R_G4,R_G4H, R_G5,R_G5H, R_G6,R_G6H, R_G7,R_G7H,
253 R_O7,R_O7H, R_SP,R_SPH, R_O0,R_O0H, R_O1,R_O1H, R_O2,R_O2H, R_O3,R_O3H, R_O4,R_O4H, R_O5,R_O5H,
254 R_I0,R_I0H, R_I1,R_I1H, R_I2,R_I2H, R_I3,R_I3H, R_I4,R_I4H, R_I5,R_I5H, R_FP,R_FPH, R_I7,R_I7H);
256 // Note that a register is not allocatable unless it is also mentioned
257 // in a widely-used reg_class below. Thus, R_G7 and R_G0 are outside i_reg.
259 alloc_class chunk1(
260 // The first registers listed here are those most likely to be used
261 // as temporaries. We move F0..F7 away from the front of the list,
262 // to reduce the likelihood of interferences with parameters and
263 // return values. Likewise, we avoid using F0/F1 for parameters,
264 // since they are used for return values.
265 // This FPU fine-tuning is worth about 1% on the SPEC geomean.
266 R_F8 ,R_F9 ,R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,
267 R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,
268 R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,R_F30,R_F31,
269 R_F0 ,R_F1 ,R_F2 ,R_F3 ,R_F4 ,R_F5 ,R_F6 ,R_F7 , // used for arguments and return values
270 R_D32,R_D32x,R_D34,R_D34x,R_D36,R_D36x,R_D38,R_D38x,
271 R_D40,R_D40x,R_D42,R_D42x,R_D44,R_D44x,R_D46,R_D46x,
272 R_D48,R_D48x,R_D50,R_D50x,R_D52,R_D52x,R_D54,R_D54x,
273 R_D56,R_D56x,R_D58,R_D58x,R_D60,R_D60x,R_D62,R_D62x);
275 alloc_class chunk2(CCR, FCC0, FCC1, FCC2, FCC3);
277 //----------Architecture Description Register Classes--------------------------
278 // Several register classes are automatically defined based upon information in
279 // this architecture description.
280 // 1) reg_class inline_cache_reg ( as defined in frame section )
281 // 2) reg_class interpreter_method_oop_reg ( as defined in frame section )
282 // 3) reg_class stack_slots( /* one chunk of stack-based "registers" */ )
283 //
285 // G0 is not included in integer class since it has special meaning.
286 reg_class g0_reg(R_G0);
288 // ----------------------------
289 // Integer Register Classes
290 // ----------------------------
291 // Exclusions from i_reg:
292 // R_G0: hardwired zero
293 // R_G2: reserved by HotSpot to the TLS register (invariant within Java)
294 // R_G6: reserved by Solaris ABI to tools
295 // R_G7: reserved by Solaris ABI to libthread
296 // R_O7: Used as a temp in many encodings
297 reg_class int_reg(R_G1,R_G3,R_G4,R_G5,R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
299 // Class for all integer registers, except the G registers. This is used for
300 // encodings which use G registers as temps. The regular inputs to such
301 // instructions use a "notemp_" prefix, as a hack to ensure that the allocator
302 // will not put an input into a temp register.
303 reg_class notemp_int_reg(R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
305 reg_class g1_regI(R_G1);
306 reg_class g3_regI(R_G3);
307 reg_class g4_regI(R_G4);
308 reg_class o0_regI(R_O0);
309 reg_class o7_regI(R_O7);
311 // ----------------------------
312 // Pointer Register Classes
313 // ----------------------------
314 #ifdef _LP64
315 // 64-bit build means 64-bit pointers means hi/lo pairs
316 reg_class ptr_reg( R_G1H,R_G1, R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5,
317 R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5,
318 R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7,
319 R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5 );
320 // Lock encodings use G3 and G4 internally
321 reg_class lock_ptr_reg( R_G1H,R_G1, R_G5H,R_G5,
322 R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5,
323 R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7,
324 R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5 );
325 // Special class for storeP instructions, which can store SP or RPC to TLS.
326 // It is also used for memory addressing, allowing direct TLS addressing.
327 reg_class sp_ptr_reg( R_G1H,R_G1, R_G2H,R_G2, R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5,
328 R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5, R_SPH,R_SP,
329 R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7,
330 R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5, R_FPH,R_FP );
331 // R_L7 is the lowest-priority callee-save (i.e., NS) register
332 // We use it to save R_G2 across calls out of Java.
333 reg_class l7_regP(R_L7H,R_L7);
335 // Other special pointer regs
336 reg_class g1_regP(R_G1H,R_G1);
337 reg_class g2_regP(R_G2H,R_G2);
338 reg_class g3_regP(R_G3H,R_G3);
339 reg_class g4_regP(R_G4H,R_G4);
340 reg_class g5_regP(R_G5H,R_G5);
341 reg_class i0_regP(R_I0H,R_I0);
342 reg_class o0_regP(R_O0H,R_O0);
343 reg_class o1_regP(R_O1H,R_O1);
344 reg_class o2_regP(R_O2H,R_O2);
345 reg_class o7_regP(R_O7H,R_O7);
347 #else // _LP64
348 // 32-bit build means 32-bit pointers means 1 register.
349 reg_class ptr_reg( R_G1, R_G3,R_G4,R_G5,
350 R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,
351 R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,
352 R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
353 // Lock encodings use G3 and G4 internally
354 reg_class lock_ptr_reg(R_G1, R_G5,
355 R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,
356 R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,
357 R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
358 // Special class for storeP instructions, which can store SP or RPC to TLS.
359 // It is also used for memory addressing, allowing direct TLS addressing.
360 reg_class sp_ptr_reg( R_G1,R_G2,R_G3,R_G4,R_G5,
361 R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_SP,
362 R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,
363 R_I0,R_I1,R_I2,R_I3,R_I4,R_I5,R_FP);
364 // R_L7 is the lowest-priority callee-save (i.e., NS) register
365 // We use it to save R_G2 across calls out of Java.
366 reg_class l7_regP(R_L7);
368 // Other special pointer regs
369 reg_class g1_regP(R_G1);
370 reg_class g2_regP(R_G2);
371 reg_class g3_regP(R_G3);
372 reg_class g4_regP(R_G4);
373 reg_class g5_regP(R_G5);
374 reg_class i0_regP(R_I0);
375 reg_class o0_regP(R_O0);
376 reg_class o1_regP(R_O1);
377 reg_class o2_regP(R_O2);
378 reg_class o7_regP(R_O7);
379 #endif // _LP64
382 // ----------------------------
383 // Long Register Classes
384 // ----------------------------
385 // Longs in 1 register. Aligned adjacent hi/lo pairs.
386 // Note: O7 is never in this class; it is sometimes used as an encoding temp.
387 reg_class long_reg( R_G1H,R_G1, R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5
388 ,R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5
389 #ifdef _LP64
390 // 64-bit, longs in 1 register: use all 64-bit integer registers
391 // 32-bit, longs in 1 register: cannot use I's and L's. Restrict to O's and G's.
392 ,R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7
393 ,R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5
394 #endif // _LP64
395 );
397 reg_class g1_regL(R_G1H,R_G1);
398 reg_class o2_regL(R_O2H,R_O2);
399 reg_class o7_regL(R_O7H,R_O7);
401 // ----------------------------
402 // Special Class for Condition Code Flags Register
403 reg_class int_flags(CCR);
404 reg_class float_flags(FCC0,FCC1,FCC2,FCC3);
405 reg_class float_flag0(FCC0);
408 // ----------------------------
409 // Float Point Register Classes
410 // ----------------------------
411 // Skip F30/F31, they are reserved for mem-mem copies
412 reg_class sflt_reg(R_F0,R_F1,R_F2,R_F3,R_F4,R_F5,R_F6,R_F7,R_F8,R_F9,R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29);
414 // Paired floating point registers--they show up in the same order as the floats,
415 // but they are used with the "Op_RegD" type, and always occur in even/odd pairs.
416 reg_class dflt_reg(R_F0, R_F1, R_F2, R_F3, R_F4, R_F5, R_F6, R_F7, R_F8, R_F9, R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,
417 R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,
418 /* Use extra V9 double registers; this AD file does not support V8 */
419 R_D32,R_D32x,R_D34,R_D34x,R_D36,R_D36x,R_D38,R_D38x,R_D40,R_D40x,R_D42,R_D42x,R_D44,R_D44x,R_D46,R_D46x,
420 R_D48,R_D48x,R_D50,R_D50x,R_D52,R_D52x,R_D54,R_D54x,R_D56,R_D56x,R_D58,R_D58x,R_D60,R_D60x,R_D62,R_D62x
421 );
423 // Paired floating point registers--they show up in the same order as the floats,
424 // but they are used with the "Op_RegD" type, and always occur in even/odd pairs.
425 // This class is usable for mis-aligned loads as happen in I2C adapters.
426 reg_class dflt_low_reg(R_F0, R_F1, R_F2, R_F3, R_F4, R_F5, R_F6, R_F7, R_F8, R_F9, R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,
427 R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,R_F30,R_F31 );
428 %}
430 //----------DEFINITION BLOCK---------------------------------------------------
431 // Define name --> value mappings to inform the ADLC of an integer valued name
432 // Current support includes integer values in the range [0, 0x7FFFFFFF]
433 // Format:
434 // int_def <name> ( <int_value>, <expression>);
435 // Generated Code in ad_<arch>.hpp
436 // #define <name> (<expression>)
437 // // value == <int_value>
438 // Generated code in ad_<arch>.cpp adlc_verification()
439 // assert( <name> == <int_value>, "Expect (<expression>) to equal <int_value>");
440 //
441 definitions %{
442 // The default cost (of an ALU instruction).
443 int_def DEFAULT_COST ( 100, 100);
444 int_def HUGE_COST (1000000, 1000000);
446 // Memory refs are twice as expensive as run-of-the-mill.
447 int_def MEMORY_REF_COST ( 200, DEFAULT_COST * 2);
449 // Branches are even more expensive.
450 int_def BRANCH_COST ( 300, DEFAULT_COST * 3);
451 int_def CALL_COST ( 300, DEFAULT_COST * 3);
452 %}
455 //----------SOURCE BLOCK-------------------------------------------------------
456 // This is a block of C++ code which provides values, functions, and
457 // definitions necessary in the rest of the architecture description
458 source_hpp %{
459 // Must be visible to the DFA in dfa_sparc.cpp
460 extern bool can_branch_register( Node *bol, Node *cmp );
462 // Macros to extract hi & lo halves from a long pair.
463 // G0 is not part of any long pair, so assert on that.
464 // Prevents accidently using G1 instead of G0.
465 #define LONG_HI_REG(x) (x)
466 #define LONG_LO_REG(x) (x)
468 %}
470 source %{
471 #define __ _masm.
473 // tertiary op of a LoadP or StoreP encoding
474 #define REGP_OP true
476 static FloatRegister reg_to_SingleFloatRegister_object(int register_encoding);
477 static FloatRegister reg_to_DoubleFloatRegister_object(int register_encoding);
478 static Register reg_to_register_object(int register_encoding);
480 // Used by the DFA in dfa_sparc.cpp.
481 // Check for being able to use a V9 branch-on-register. Requires a
482 // compare-vs-zero, equal/not-equal, of a value which was zero- or sign-
483 // extended. Doesn't work following an integer ADD, for example, because of
484 // overflow (-1 incremented yields 0 plus a carry in the high-order word). On
485 // 32-bit V9 systems, interrupts currently blow away the high-order 32 bits and
486 // replace them with zero, which could become sign-extension in a different OS
487 // release. There's no obvious reason why an interrupt will ever fill these
488 // bits with non-zero junk (the registers are reloaded with standard LD
489 // instructions which either zero-fill or sign-fill).
490 bool can_branch_register( Node *bol, Node *cmp ) {
491 if( !BranchOnRegister ) return false;
492 #ifdef _LP64
493 if( cmp->Opcode() == Op_CmpP )
494 return true; // No problems with pointer compares
495 #endif
496 if( cmp->Opcode() == Op_CmpL )
497 return true; // No problems with long compares
499 if( !SparcV9RegsHiBitsZero ) return false;
500 if( bol->as_Bool()->_test._test != BoolTest::ne &&
501 bol->as_Bool()->_test._test != BoolTest::eq )
502 return false;
504 // Check for comparing against a 'safe' value. Any operation which
505 // clears out the high word is safe. Thus, loads and certain shifts
506 // are safe, as are non-negative constants. Any operation which
507 // preserves zero bits in the high word is safe as long as each of its
508 // inputs are safe. Thus, phis and bitwise booleans are safe if their
509 // inputs are safe. At present, the only important case to recognize
510 // seems to be loads. Constants should fold away, and shifts &
511 // logicals can use the 'cc' forms.
512 Node *x = cmp->in(1);
513 if( x->is_Load() ) return true;
514 if( x->is_Phi() ) {
515 for( uint i = 1; i < x->req(); i++ )
516 if( !x->in(i)->is_Load() )
517 return false;
518 return true;
519 }
520 return false;
521 }
523 // ****************************************************************************
525 // REQUIRED FUNCTIONALITY
527 // !!!!! Special hack to get all type of calls to specify the byte offset
528 // from the start of the call to the point where the return address
529 // will point.
530 // The "return address" is the address of the call instruction, plus 8.
532 int MachCallStaticJavaNode::ret_addr_offset() {
533 return NativeCall::instruction_size; // call; delay slot
534 }
536 int MachCallDynamicJavaNode::ret_addr_offset() {
537 int vtable_index = this->_vtable_index;
538 if (vtable_index < 0) {
539 // must be invalid_vtable_index, not nonvirtual_vtable_index
540 assert(vtable_index == methodOopDesc::invalid_vtable_index, "correct sentinel value");
541 return (NativeMovConstReg::instruction_size +
542 NativeCall::instruction_size); // sethi; setlo; call; delay slot
543 } else {
544 assert(!UseInlineCaches, "expect vtable calls only if not using ICs");
545 int entry_offset = instanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size();
546 int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes();
547 int klass_load_size;
548 if (UseCompressedOops) {
549 klass_load_size = 3*BytesPerInstWord; // see MacroAssembler::load_klass()
550 } else {
551 klass_load_size = 1*BytesPerInstWord;
552 }
553 if( Assembler::is_simm13(v_off) ) {
554 return klass_load_size +
555 (2*BytesPerInstWord + // ld_ptr, ld_ptr
556 NativeCall::instruction_size); // call; delay slot
557 } else {
558 return klass_load_size +
559 (4*BytesPerInstWord + // set_hi, set, ld_ptr, ld_ptr
560 NativeCall::instruction_size); // call; delay slot
561 }
562 }
563 }
565 int MachCallRuntimeNode::ret_addr_offset() {
566 #ifdef _LP64
567 return NativeFarCall::instruction_size; // farcall; delay slot
568 #else
569 return NativeCall::instruction_size; // call; delay slot
570 #endif
571 }
573 // Indicate if the safepoint node needs the polling page as an input.
574 // Since Sparc does not have absolute addressing, it does.
575 bool SafePointNode::needs_polling_address_input() {
576 return true;
577 }
579 // emit an interrupt that is caught by the debugger (for debugging compiler)
580 void emit_break(CodeBuffer &cbuf) {
581 MacroAssembler _masm(&cbuf);
582 __ breakpoint_trap();
583 }
585 #ifndef PRODUCT
586 void MachBreakpointNode::format( PhaseRegAlloc *, outputStream *st ) const {
587 st->print("TA");
588 }
589 #endif
591 void MachBreakpointNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
592 emit_break(cbuf);
593 }
595 uint MachBreakpointNode::size(PhaseRegAlloc *ra_) const {
596 return MachNode::size(ra_);
597 }
599 // Traceable jump
600 void emit_jmpl(CodeBuffer &cbuf, int jump_target) {
601 MacroAssembler _masm(&cbuf);
602 Register rdest = reg_to_register_object(jump_target);
603 __ JMP(rdest, 0);
604 __ delayed()->nop();
605 }
607 // Traceable jump and set exception pc
608 void emit_jmpl_set_exception_pc(CodeBuffer &cbuf, int jump_target) {
609 MacroAssembler _masm(&cbuf);
610 Register rdest = reg_to_register_object(jump_target);
611 __ JMP(rdest, 0);
612 __ delayed()->add(O7, frame::pc_return_offset, Oissuing_pc );
613 }
615 void emit_nop(CodeBuffer &cbuf) {
616 MacroAssembler _masm(&cbuf);
617 __ nop();
618 }
620 void emit_illtrap(CodeBuffer &cbuf) {
621 MacroAssembler _masm(&cbuf);
622 __ illtrap(0);
623 }
626 intptr_t get_offset_from_base(const MachNode* n, const TypePtr* atype, int disp32) {
627 assert(n->rule() != loadUB_rule, "");
629 intptr_t offset = 0;
630 const TypePtr *adr_type = TYPE_PTR_SENTINAL; // Check for base==RegI, disp==immP
631 const Node* addr = n->get_base_and_disp(offset, adr_type);
632 assert(adr_type == (const TypePtr*)-1, "VerifyOops: no support for sparc operands with base==RegI, disp==immP");
633 assert(addr != NULL && addr != (Node*)-1, "invalid addr");
634 assert(addr->bottom_type()->isa_oopptr() == atype, "");
635 atype = atype->add_offset(offset);
636 assert(disp32 == offset, "wrong disp32");
637 return atype->_offset;
638 }
641 intptr_t get_offset_from_base_2(const MachNode* n, const TypePtr* atype, int disp32) {
642 assert(n->rule() != loadUB_rule, "");
644 intptr_t offset = 0;
645 Node* addr = n->in(2);
646 assert(addr->bottom_type()->isa_oopptr() == atype, "");
647 if (addr->is_Mach() && addr->as_Mach()->ideal_Opcode() == Op_AddP) {
648 Node* a = addr->in(2/*AddPNode::Address*/);
649 Node* o = addr->in(3/*AddPNode::Offset*/);
650 offset = o->is_Con() ? o->bottom_type()->is_intptr_t()->get_con() : Type::OffsetBot;
651 atype = a->bottom_type()->is_ptr()->add_offset(offset);
652 assert(atype->isa_oop_ptr(), "still an oop");
653 }
654 offset = atype->is_ptr()->_offset;
655 if (offset != Type::OffsetBot) offset += disp32;
656 return offset;
657 }
659 // Standard Sparc opcode form2 field breakdown
660 static inline void emit2_19(CodeBuffer &cbuf, int f30, int f29, int f25, int f22, int f20, int f19, int f0 ) {
661 f0 &= (1<<19)-1; // Mask displacement to 19 bits
662 int op = (f30 << 30) |
663 (f29 << 29) |
664 (f25 << 25) |
665 (f22 << 22) |
666 (f20 << 20) |
667 (f19 << 19) |
668 (f0 << 0);
669 *((int*)(cbuf.code_end())) = op;
670 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
671 }
673 // Standard Sparc opcode form2 field breakdown
674 static inline void emit2_22(CodeBuffer &cbuf, int f30, int f25, int f22, int f0 ) {
675 f0 >>= 10; // Drop 10 bits
676 f0 &= (1<<22)-1; // Mask displacement to 22 bits
677 int op = (f30 << 30) |
678 (f25 << 25) |
679 (f22 << 22) |
680 (f0 << 0);
681 *((int*)(cbuf.code_end())) = op;
682 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
683 }
685 // Standard Sparc opcode form3 field breakdown
686 static inline void emit3(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int f5, int f0 ) {
687 int op = (f30 << 30) |
688 (f25 << 25) |
689 (f19 << 19) |
690 (f14 << 14) |
691 (f5 << 5) |
692 (f0 << 0);
693 *((int*)(cbuf.code_end())) = op;
694 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
695 }
697 // Standard Sparc opcode form3 field breakdown
698 static inline void emit3_simm13(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int simm13 ) {
699 simm13 &= (1<<13)-1; // Mask to 13 bits
700 int op = (f30 << 30) |
701 (f25 << 25) |
702 (f19 << 19) |
703 (f14 << 14) |
704 (1 << 13) | // bit to indicate immediate-mode
705 (simm13<<0);
706 *((int*)(cbuf.code_end())) = op;
707 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
708 }
710 static inline void emit3_simm10(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int simm10 ) {
711 simm10 &= (1<<10)-1; // Mask to 10 bits
712 emit3_simm13(cbuf,f30,f25,f19,f14,simm10);
713 }
715 #ifdef ASSERT
716 // Helper function for VerifyOops in emit_form3_mem_reg
717 void verify_oops_warning(const MachNode *n, int ideal_op, int mem_op) {
718 warning("VerifyOops encountered unexpected instruction:");
719 n->dump(2);
720 warning("Instruction has ideal_Opcode==Op_%s and op_ld==Op_%s \n", NodeClassNames[ideal_op], NodeClassNames[mem_op]);
721 }
722 #endif
725 void emit_form3_mem_reg(CodeBuffer &cbuf, const MachNode* n, int primary, int tertiary,
726 int src1_enc, int disp32, int src2_enc, int dst_enc) {
728 #ifdef ASSERT
729 // The following code implements the +VerifyOops feature.
730 // It verifies oop values which are loaded into or stored out of
731 // the current method activation. +VerifyOops complements techniques
732 // like ScavengeALot, because it eagerly inspects oops in transit,
733 // as they enter or leave the stack, as opposed to ScavengeALot,
734 // which inspects oops "at rest", in the stack or heap, at safepoints.
735 // For this reason, +VerifyOops can sometimes detect bugs very close
736 // to their point of creation. It can also serve as a cross-check
737 // on the validity of oop maps, when used toegether with ScavengeALot.
739 // It would be good to verify oops at other points, especially
740 // when an oop is used as a base pointer for a load or store.
741 // This is presently difficult, because it is hard to know when
742 // a base address is biased or not. (If we had such information,
743 // it would be easy and useful to make a two-argument version of
744 // verify_oop which unbiases the base, and performs verification.)
746 assert((uint)tertiary == 0xFFFFFFFF || tertiary == REGP_OP, "valid tertiary");
747 bool is_verified_oop_base = false;
748 bool is_verified_oop_load = false;
749 bool is_verified_oop_store = false;
750 int tmp_enc = -1;
751 if (VerifyOops && src1_enc != R_SP_enc) {
752 // classify the op, mainly for an assert check
753 int st_op = 0, ld_op = 0;
754 switch (primary) {
755 case Assembler::stb_op3: st_op = Op_StoreB; break;
756 case Assembler::sth_op3: st_op = Op_StoreC; break;
757 case Assembler::stx_op3: // may become StoreP or stay StoreI or StoreD0
758 case Assembler::stw_op3: st_op = Op_StoreI; break;
759 case Assembler::std_op3: st_op = Op_StoreL; break;
760 case Assembler::stf_op3: st_op = Op_StoreF; break;
761 case Assembler::stdf_op3: st_op = Op_StoreD; break;
763 case Assembler::ldsb_op3: ld_op = Op_LoadB; break;
764 case Assembler::lduh_op3: ld_op = Op_LoadC; break;
765 case Assembler::ldsh_op3: ld_op = Op_LoadS; break;
766 case Assembler::ldx_op3: // may become LoadP or stay LoadI
767 case Assembler::ldsw_op3: // may become LoadP or stay LoadI
768 case Assembler::lduw_op3: ld_op = Op_LoadI; break;
769 case Assembler::ldd_op3: ld_op = Op_LoadL; break;
770 case Assembler::ldf_op3: ld_op = Op_LoadF; break;
771 case Assembler::lddf_op3: ld_op = Op_LoadD; break;
772 case Assembler::ldub_op3: ld_op = Op_LoadB; break;
773 case Assembler::prefetch_op3: ld_op = Op_LoadI; break;
775 default: ShouldNotReachHere();
776 }
777 if (tertiary == REGP_OP) {
778 if (st_op == Op_StoreI) st_op = Op_StoreP;
779 else if (ld_op == Op_LoadI) ld_op = Op_LoadP;
780 else ShouldNotReachHere();
781 if (st_op) {
782 // a store
783 // inputs are (0:control, 1:memory, 2:address, 3:value)
784 Node* n2 = n->in(3);
785 if (n2 != NULL) {
786 const Type* t = n2->bottom_type();
787 is_verified_oop_store = t->isa_oop_ptr() ? (t->is_ptr()->_offset==0) : false;
788 }
789 } else {
790 // a load
791 const Type* t = n->bottom_type();
792 is_verified_oop_load = t->isa_oop_ptr() ? (t->is_ptr()->_offset==0) : false;
793 }
794 }
796 if (ld_op) {
797 // a Load
798 // inputs are (0:control, 1:memory, 2:address)
799 if (!(n->ideal_Opcode()==ld_op) && // Following are special cases
800 !(n->ideal_Opcode()==Op_LoadLLocked && ld_op==Op_LoadI) &&
801 !(n->ideal_Opcode()==Op_LoadPLocked && ld_op==Op_LoadP) &&
802 !(n->ideal_Opcode()==Op_LoadI && ld_op==Op_LoadF) &&
803 !(n->ideal_Opcode()==Op_LoadF && ld_op==Op_LoadI) &&
804 !(n->ideal_Opcode()==Op_LoadRange && ld_op==Op_LoadI) &&
805 !(n->ideal_Opcode()==Op_LoadKlass && ld_op==Op_LoadP) &&
806 !(n->ideal_Opcode()==Op_LoadL && ld_op==Op_LoadI) &&
807 !(n->ideal_Opcode()==Op_LoadL_unaligned && ld_op==Op_LoadI) &&
808 !(n->ideal_Opcode()==Op_LoadD_unaligned && ld_op==Op_LoadF) &&
809 !(n->ideal_Opcode()==Op_ConvI2F && ld_op==Op_LoadF) &&
810 !(n->ideal_Opcode()==Op_ConvI2D && ld_op==Op_LoadF) &&
811 !(n->ideal_Opcode()==Op_PrefetchRead && ld_op==Op_LoadI) &&
812 !(n->ideal_Opcode()==Op_PrefetchWrite && ld_op==Op_LoadI) &&
813 !(n->rule() == loadUB_rule)) {
814 verify_oops_warning(n, n->ideal_Opcode(), ld_op);
815 }
816 } else if (st_op) {
817 // a Store
818 // inputs are (0:control, 1:memory, 2:address, 3:value)
819 if (!(n->ideal_Opcode()==st_op) && // Following are special cases
820 !(n->ideal_Opcode()==Op_StoreCM && st_op==Op_StoreB) &&
821 !(n->ideal_Opcode()==Op_StoreI && st_op==Op_StoreF) &&
822 !(n->ideal_Opcode()==Op_StoreF && st_op==Op_StoreI) &&
823 !(n->ideal_Opcode()==Op_StoreL && st_op==Op_StoreI) &&
824 !(n->ideal_Opcode()==Op_StoreD && st_op==Op_StoreI && n->rule() == storeD0_rule)) {
825 verify_oops_warning(n, n->ideal_Opcode(), st_op);
826 }
827 }
829 if (src2_enc == R_G0_enc && n->rule() != loadUB_rule && n->ideal_Opcode() != Op_StoreCM ) {
830 Node* addr = n->in(2);
831 if (!(addr->is_Mach() && addr->as_Mach()->ideal_Opcode() == Op_AddP)) {
832 const TypeOopPtr* atype = addr->bottom_type()->isa_instptr(); // %%% oopptr?
833 if (atype != NULL) {
834 intptr_t offset = get_offset_from_base(n, atype, disp32);
835 intptr_t offset_2 = get_offset_from_base_2(n, atype, disp32);
836 if (offset != offset_2) {
837 get_offset_from_base(n, atype, disp32);
838 get_offset_from_base_2(n, atype, disp32);
839 }
840 assert(offset == offset_2, "different offsets");
841 if (offset == disp32) {
842 // we now know that src1 is a true oop pointer
843 is_verified_oop_base = true;
844 if (ld_op && src1_enc == dst_enc && ld_op != Op_LoadF && ld_op != Op_LoadD) {
845 if( primary == Assembler::ldd_op3 ) {
846 is_verified_oop_base = false; // Cannot 'ldd' into O7
847 } else {
848 tmp_enc = dst_enc;
849 dst_enc = R_O7_enc; // Load into O7; preserve source oop
850 assert(src1_enc != dst_enc, "");
851 }
852 }
853 }
854 if (st_op && (( offset == oopDesc::klass_offset_in_bytes())
855 || offset == oopDesc::mark_offset_in_bytes())) {
856 // loading the mark should not be allowed either, but
857 // we don't check this since it conflicts with InlineObjectHash
858 // usage of LoadINode to get the mark. We could keep the
859 // check if we create a new LoadMarkNode
860 // but do not verify the object before its header is initialized
861 ShouldNotReachHere();
862 }
863 }
864 }
865 }
866 }
867 #endif
869 uint instr;
870 instr = (Assembler::ldst_op << 30)
871 | (dst_enc << 25)
872 | (primary << 19)
873 | (src1_enc << 14);
875 uint index = src2_enc;
876 int disp = disp32;
878 if (src1_enc == R_SP_enc || src1_enc == R_FP_enc)
879 disp += STACK_BIAS;
881 // We should have a compiler bailout here rather than a guarantee.
882 // Better yet would be some mechanism to handle variable-size matches correctly.
883 guarantee(Assembler::is_simm13(disp), "Do not match large constant offsets" );
885 if( disp == 0 ) {
886 // use reg-reg form
887 // bit 13 is already zero
888 instr |= index;
889 } else {
890 // use reg-imm form
891 instr |= 0x00002000; // set bit 13 to one
892 instr |= disp & 0x1FFF;
893 }
895 uint *code = (uint*)cbuf.code_end();
896 *code = instr;
897 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
899 #ifdef ASSERT
900 {
901 MacroAssembler _masm(&cbuf);
902 if (is_verified_oop_base) {
903 __ verify_oop(reg_to_register_object(src1_enc));
904 }
905 if (is_verified_oop_store) {
906 __ verify_oop(reg_to_register_object(dst_enc));
907 }
908 if (tmp_enc != -1) {
909 __ mov(O7, reg_to_register_object(tmp_enc));
910 }
911 if (is_verified_oop_load) {
912 __ verify_oop(reg_to_register_object(dst_enc));
913 }
914 }
915 #endif
916 }
918 void emit_form3_mem_reg_asi(CodeBuffer &cbuf, const MachNode* n, int primary, int tertiary,
919 int src1_enc, int disp32, int src2_enc, int dst_enc, int asi) {
921 uint instr;
922 instr = (Assembler::ldst_op << 30)
923 | (dst_enc << 25)
924 | (primary << 19)
925 | (src1_enc << 14);
927 int disp = disp32;
928 int index = src2_enc;
930 if (src1_enc == R_SP_enc || src1_enc == R_FP_enc)
931 disp += STACK_BIAS;
933 // We should have a compiler bailout here rather than a guarantee.
934 // Better yet would be some mechanism to handle variable-size matches correctly.
935 guarantee(Assembler::is_simm13(disp), "Do not match large constant offsets" );
937 if( disp != 0 ) {
938 // use reg-reg form
939 // set src2=R_O7 contains offset
940 index = R_O7_enc;
941 emit3_simm13( cbuf, Assembler::arith_op, index, Assembler::or_op3, 0, disp);
942 }
943 instr |= (asi << 5);
944 instr |= index;
945 uint *code = (uint*)cbuf.code_end();
946 *code = instr;
947 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
948 }
950 void emit_call_reloc(CodeBuffer &cbuf, intptr_t entry_point, relocInfo::relocType rtype, bool preserve_g2 = false, bool force_far_call = false) {
951 // The method which records debug information at every safepoint
952 // expects the call to be the first instruction in the snippet as
953 // it creates a PcDesc structure which tracks the offset of a call
954 // from the start of the codeBlob. This offset is computed as
955 // code_end() - code_begin() of the code which has been emitted
956 // so far.
957 // In this particular case we have skirted around the problem by
958 // putting the "mov" instruction in the delay slot but the problem
959 // may bite us again at some other point and a cleaner/generic
960 // solution using relocations would be needed.
961 MacroAssembler _masm(&cbuf);
962 __ set_inst_mark();
964 // We flush the current window just so that there is a valid stack copy
965 // the fact that the current window becomes active again instantly is
966 // not a problem there is nothing live in it.
968 #ifdef ASSERT
969 int startpos = __ offset();
970 #endif /* ASSERT */
972 #ifdef _LP64
973 // Calls to the runtime or native may not be reachable from compiled code,
974 // so we generate the far call sequence on 64 bit sparc.
975 // This code sequence is relocatable to any address, even on LP64.
976 if ( force_far_call ) {
977 __ relocate(rtype);
978 Address dest(O7, (address)entry_point);
979 __ jumpl_to(dest, O7);
980 }
981 else
982 #endif
983 {
984 __ call((address)entry_point, rtype);
985 }
987 if (preserve_g2) __ delayed()->mov(G2, L7);
988 else __ delayed()->nop();
990 if (preserve_g2) __ mov(L7, G2);
992 #ifdef ASSERT
993 if (preserve_g2 && (VerifyCompiledCode || VerifyOops)) {
994 #ifdef _LP64
995 // Trash argument dump slots.
996 __ set(0xb0b8ac0db0b8ac0d, G1);
997 __ mov(G1, G5);
998 __ stx(G1, SP, STACK_BIAS + 0x80);
999 __ stx(G1, SP, STACK_BIAS + 0x88);
1000 __ stx(G1, SP, STACK_BIAS + 0x90);
1001 __ stx(G1, SP, STACK_BIAS + 0x98);
1002 __ stx(G1, SP, STACK_BIAS + 0xA0);
1003 __ stx(G1, SP, STACK_BIAS + 0xA8);
1004 #else // _LP64
1005 // this is also a native call, so smash the first 7 stack locations,
1006 // and the various registers
1008 // Note: [SP+0x40] is sp[callee_aggregate_return_pointer_sp_offset],
1009 // while [SP+0x44..0x58] are the argument dump slots.
1010 __ set((intptr_t)0xbaadf00d, G1);
1011 __ mov(G1, G5);
1012 __ sllx(G1, 32, G1);
1013 __ or3(G1, G5, G1);
1014 __ mov(G1, G5);
1015 __ stx(G1, SP, 0x40);
1016 __ stx(G1, SP, 0x48);
1017 __ stx(G1, SP, 0x50);
1018 __ stw(G1, SP, 0x58); // Do not trash [SP+0x5C] which is a usable spill slot
1019 #endif // _LP64
1020 }
1021 #endif /*ASSERT*/
1022 }
1024 //=============================================================================
1025 // REQUIRED FUNCTIONALITY for encoding
1026 void emit_lo(CodeBuffer &cbuf, int val) { }
1027 void emit_hi(CodeBuffer &cbuf, int val) { }
1029 void emit_ptr(CodeBuffer &cbuf, intptr_t val, Register reg, bool ForceRelocatable) {
1030 MacroAssembler _masm(&cbuf);
1031 if (ForceRelocatable) {
1032 Address addr(reg, (address)val);
1033 __ sethi(addr, ForceRelocatable);
1034 __ add(addr, reg);
1035 } else {
1036 __ set(val, reg);
1037 }
1038 }
1041 //=============================================================================
1043 #ifndef PRODUCT
1044 void MachPrologNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1045 Compile* C = ra_->C;
1047 for (int i = 0; i < OptoPrologueNops; i++) {
1048 st->print_cr("NOP"); st->print("\t");
1049 }
1051 if( VerifyThread ) {
1052 st->print_cr("Verify_Thread"); st->print("\t");
1053 }
1055 size_t framesize = C->frame_slots() << LogBytesPerInt;
1057 // Calls to C2R adapters often do not accept exceptional returns.
1058 // We require that their callers must bang for them. But be careful, because
1059 // some VM calls (such as call site linkage) can use several kilobytes of
1060 // stack. But the stack safety zone should account for that.
1061 // See bugs 4446381, 4468289, 4497237.
1062 if (C->need_stack_bang(framesize)) {
1063 st->print_cr("! stack bang"); st->print("\t");
1064 }
1066 if (Assembler::is_simm13(-framesize)) {
1067 st->print ("SAVE R_SP,-%d,R_SP",framesize);
1068 } else {
1069 st->print_cr("SETHI R_SP,hi%%(-%d),R_G3",framesize); st->print("\t");
1070 st->print_cr("ADD R_G3,lo%%(-%d),R_G3",framesize); st->print("\t");
1071 st->print ("SAVE R_SP,R_G3,R_SP");
1072 }
1074 }
1075 #endif
1077 void MachPrologNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1078 Compile* C = ra_->C;
1079 MacroAssembler _masm(&cbuf);
1081 for (int i = 0; i < OptoPrologueNops; i++) {
1082 __ nop();
1083 }
1085 __ verify_thread();
1087 size_t framesize = C->frame_slots() << LogBytesPerInt;
1088 assert(framesize >= 16*wordSize, "must have room for reg. save area");
1089 assert(framesize%(2*wordSize) == 0, "must preserve 2*wordSize alignment");
1091 // Calls to C2R adapters often do not accept exceptional returns.
1092 // We require that their callers must bang for them. But be careful, because
1093 // some VM calls (such as call site linkage) can use several kilobytes of
1094 // stack. But the stack safety zone should account for that.
1095 // See bugs 4446381, 4468289, 4497237.
1096 if (C->need_stack_bang(framesize)) {
1097 __ generate_stack_overflow_check(framesize);
1098 }
1100 if (Assembler::is_simm13(-framesize)) {
1101 __ save(SP, -framesize, SP);
1102 } else {
1103 __ sethi(-framesize & ~0x3ff, G3);
1104 __ add(G3, -framesize & 0x3ff, G3);
1105 __ save(SP, G3, SP);
1106 }
1107 C->set_frame_complete( __ offset() );
1108 }
1110 uint MachPrologNode::size(PhaseRegAlloc *ra_) const {
1111 return MachNode::size(ra_);
1112 }
1114 int MachPrologNode::reloc() const {
1115 return 10; // a large enough number
1116 }
1118 //=============================================================================
1119 #ifndef PRODUCT
1120 void MachEpilogNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1121 Compile* C = ra_->C;
1123 if( do_polling() && ra_->C->is_method_compilation() ) {
1124 st->print("SETHI #PollAddr,L0\t! Load Polling address\n\t");
1125 #ifdef _LP64
1126 st->print("LDX [L0],G0\t!Poll for Safepointing\n\t");
1127 #else
1128 st->print("LDUW [L0],G0\t!Poll for Safepointing\n\t");
1129 #endif
1130 }
1132 if( do_polling() )
1133 st->print("RET\n\t");
1135 st->print("RESTORE");
1136 }
1137 #endif
1139 void MachEpilogNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1140 MacroAssembler _masm(&cbuf);
1141 Compile* C = ra_->C;
1143 __ verify_thread();
1145 // If this does safepoint polling, then do it here
1146 if( do_polling() && ra_->C->is_method_compilation() ) {
1147 Address polling_page(L0, (address)os::get_polling_page());
1148 __ sethi(polling_page, false);
1149 __ relocate(relocInfo::poll_return_type);
1150 __ ld_ptr( L0, 0, G0 );
1151 }
1153 // If this is a return, then stuff the restore in the delay slot
1154 if( do_polling() ) {
1155 __ ret();
1156 __ delayed()->restore();
1157 } else {
1158 __ restore();
1159 }
1160 }
1162 uint MachEpilogNode::size(PhaseRegAlloc *ra_) const {
1163 return MachNode::size(ra_);
1164 }
1166 int MachEpilogNode::reloc() const {
1167 return 16; // a large enough number
1168 }
1170 const Pipeline * MachEpilogNode::pipeline() const {
1171 return MachNode::pipeline_class();
1172 }
1174 int MachEpilogNode::safepoint_offset() const {
1175 assert( do_polling(), "no return for this epilog node");
1176 return MacroAssembler::size_of_sethi(os::get_polling_page());
1177 }
1179 //=============================================================================
1181 // Figure out which register class each belongs in: rc_int, rc_float, rc_stack
1182 enum RC { rc_bad, rc_int, rc_float, rc_stack };
1183 static enum RC rc_class( OptoReg::Name reg ) {
1184 if( !OptoReg::is_valid(reg) ) return rc_bad;
1185 if (OptoReg::is_stack(reg)) return rc_stack;
1186 VMReg r = OptoReg::as_VMReg(reg);
1187 if (r->is_Register()) return rc_int;
1188 assert(r->is_FloatRegister(), "must be");
1189 return rc_float;
1190 }
1192 static int impl_helper( const MachNode *mach, CodeBuffer *cbuf, PhaseRegAlloc *ra_, bool do_size, bool is_load, int offset, int reg, int opcode, const char *op_str, int size, outputStream* st ) {
1193 if( cbuf ) {
1194 // Better yet would be some mechanism to handle variable-size matches correctly
1195 if (!Assembler::is_simm13(offset + STACK_BIAS)) {
1196 ra_->C->record_method_not_compilable("unable to handle large constant offsets");
1197 } else {
1198 emit_form3_mem_reg(*cbuf, mach, opcode, -1, R_SP_enc, offset, 0, Matcher::_regEncode[reg]);
1199 }
1200 }
1201 #ifndef PRODUCT
1202 else if( !do_size ) {
1203 if( size != 0 ) st->print("\n\t");
1204 if( is_load ) st->print("%s [R_SP + #%d],R_%s\t! spill",op_str,offset,OptoReg::regname(reg));
1205 else st->print("%s R_%s,[R_SP + #%d]\t! spill",op_str,OptoReg::regname(reg),offset);
1206 }
1207 #endif
1208 return size+4;
1209 }
1211 static int impl_mov_helper( CodeBuffer *cbuf, bool do_size, int src, int dst, int op1, int op2, const char *op_str, int size, outputStream* st ) {
1212 if( cbuf ) emit3( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst], op1, 0, op2, Matcher::_regEncode[src] );
1213 #ifndef PRODUCT
1214 else if( !do_size ) {
1215 if( size != 0 ) st->print("\n\t");
1216 st->print("%s R_%s,R_%s\t! spill",op_str,OptoReg::regname(src),OptoReg::regname(dst));
1217 }
1218 #endif
1219 return size+4;
1220 }
1222 uint MachSpillCopyNode::implementation( CodeBuffer *cbuf,
1223 PhaseRegAlloc *ra_,
1224 bool do_size,
1225 outputStream* st ) const {
1226 // Get registers to move
1227 OptoReg::Name src_second = ra_->get_reg_second(in(1));
1228 OptoReg::Name src_first = ra_->get_reg_first(in(1));
1229 OptoReg::Name dst_second = ra_->get_reg_second(this );
1230 OptoReg::Name dst_first = ra_->get_reg_first(this );
1232 enum RC src_second_rc = rc_class(src_second);
1233 enum RC src_first_rc = rc_class(src_first);
1234 enum RC dst_second_rc = rc_class(dst_second);
1235 enum RC dst_first_rc = rc_class(dst_first);
1237 assert( OptoReg::is_valid(src_first) && OptoReg::is_valid(dst_first), "must move at least 1 register" );
1239 // Generate spill code!
1240 int size = 0;
1242 if( src_first == dst_first && src_second == dst_second )
1243 return size; // Self copy, no move
1245 // --------------------------------------
1246 // Check for mem-mem move. Load into unused float registers and fall into
1247 // the float-store case.
1248 if( src_first_rc == rc_stack && dst_first_rc == rc_stack ) {
1249 int offset = ra_->reg2offset(src_first);
1250 // Further check for aligned-adjacent pair, so we can use a double load
1251 if( (src_first&1)==0 && src_first+1 == src_second ) {
1252 src_second = OptoReg::Name(R_F31_num);
1253 src_second_rc = rc_float;
1254 size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F30_num,Assembler::lddf_op3,"LDDF",size, st);
1255 } else {
1256 size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F30_num,Assembler::ldf_op3 ,"LDF ",size, st);
1257 }
1258 src_first = OptoReg::Name(R_F30_num);
1259 src_first_rc = rc_float;
1260 }
1262 if( src_second_rc == rc_stack && dst_second_rc == rc_stack ) {
1263 int offset = ra_->reg2offset(src_second);
1264 size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F31_num,Assembler::ldf_op3,"LDF ",size, st);
1265 src_second = OptoReg::Name(R_F31_num);
1266 src_second_rc = rc_float;
1267 }
1269 // --------------------------------------
1270 // Check for float->int copy; requires a trip through memory
1271 if( src_first_rc == rc_float && dst_first_rc == rc_int ) {
1272 int offset = frame::register_save_words*wordSize;
1273 if( cbuf ) {
1274 emit3_simm13( *cbuf, Assembler::arith_op, R_SP_enc, Assembler::sub_op3, R_SP_enc, 16 );
1275 impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st);
1276 impl_helper(this,cbuf,ra_,do_size,true ,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st);
1277 emit3_simm13( *cbuf, Assembler::arith_op, R_SP_enc, Assembler::add_op3, R_SP_enc, 16 );
1278 }
1279 #ifndef PRODUCT
1280 else if( !do_size ) {
1281 if( size != 0 ) st->print("\n\t");
1282 st->print( "SUB R_SP,16,R_SP\n");
1283 impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st);
1284 impl_helper(this,cbuf,ra_,do_size,true ,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st);
1285 st->print("\tADD R_SP,16,R_SP\n");
1286 }
1287 #endif
1288 size += 16;
1289 }
1291 // --------------------------------------
1292 // In the 32-bit 1-reg-longs build ONLY, I see mis-aligned long destinations.
1293 // In such cases, I have to do the big-endian swap. For aligned targets, the
1294 // hardware does the flop for me. Doubles are always aligned, so no problem
1295 // there. Misaligned sources only come from native-long-returns (handled
1296 // special below).
1297 #ifndef _LP64
1298 if( src_first_rc == rc_int && // source is already big-endian
1299 src_second_rc != rc_bad && // 64-bit move
1300 ((dst_first&1)!=0 || dst_second != dst_first+1) ) { // misaligned dst
1301 assert( (src_first&1)==0 && src_second == src_first+1, "source must be aligned" );
1302 // Do the big-endian flop.
1303 OptoReg::Name tmp = dst_first ; dst_first = dst_second ; dst_second = tmp ;
1304 enum RC tmp_rc = dst_first_rc; dst_first_rc = dst_second_rc; dst_second_rc = tmp_rc;
1305 }
1306 #endif
1308 // --------------------------------------
1309 // Check for integer reg-reg copy
1310 if( src_first_rc == rc_int && dst_first_rc == rc_int ) {
1311 #ifndef _LP64
1312 if( src_first == R_O0_num && src_second == R_O1_num ) { // Check for the evil O0/O1 native long-return case
1313 // Note: The _first and _second suffixes refer to the addresses of the the 2 halves of the 64-bit value
1314 // as stored in memory. On a big-endian machine like SPARC, this means that the _second
1315 // operand contains the least significant word of the 64-bit value and vice versa.
1316 OptoReg::Name tmp = OptoReg::Name(R_O7_num);
1317 assert( (dst_first&1)==0 && dst_second == dst_first+1, "return a native O0/O1 long to an aligned-adjacent 64-bit reg" );
1318 // Shift O0 left in-place, zero-extend O1, then OR them into the dst
1319 if( cbuf ) {
1320 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[tmp], Assembler::sllx_op3, Matcher::_regEncode[src_first], 0x1020 );
1321 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[src_second], Assembler::srl_op3, Matcher::_regEncode[src_second], 0x0000 );
1322 emit3 ( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_first], Assembler:: or_op3, Matcher::_regEncode[tmp], 0, Matcher::_regEncode[src_second] );
1323 #ifndef PRODUCT
1324 } else if( !do_size ) {
1325 if( size != 0 ) st->print("\n\t");
1326 st->print("SLLX R_%s,32,R_%s\t! Move O0-first to O7-high\n\t", OptoReg::regname(src_first), OptoReg::regname(tmp));
1327 st->print("SRL R_%s, 0,R_%s\t! Zero-extend O1\n\t", OptoReg::regname(src_second), OptoReg::regname(src_second));
1328 st->print("OR R_%s,R_%s,R_%s\t! spill",OptoReg::regname(tmp), OptoReg::regname(src_second), OptoReg::regname(dst_first));
1329 #endif
1330 }
1331 return size+12;
1332 }
1333 else if( dst_first == R_I0_num && dst_second == R_I1_num ) {
1334 // returning a long value in I0/I1
1335 // a SpillCopy must be able to target a return instruction's reg_class
1336 // Note: The _first and _second suffixes refer to the addresses of the the 2 halves of the 64-bit value
1337 // as stored in memory. On a big-endian machine like SPARC, this means that the _second
1338 // operand contains the least significant word of the 64-bit value and vice versa.
1339 OptoReg::Name tdest = dst_first;
1341 if (src_first == dst_first) {
1342 tdest = OptoReg::Name(R_O7_num);
1343 size += 4;
1344 }
1346 if( cbuf ) {
1347 assert( (src_first&1) == 0 && (src_first+1) == src_second, "return value was in an aligned-adjacent 64-bit reg");
1348 // Shift value in upper 32-bits of src to lower 32-bits of I0; move lower 32-bits to I1
1349 // ShrL_reg_imm6
1350 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[tdest], Assembler::srlx_op3, Matcher::_regEncode[src_second], 32 | 0x1000 );
1351 // ShrR_reg_imm6 src, 0, dst
1352 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_second], Assembler::srl_op3, Matcher::_regEncode[src_first], 0x0000 );
1353 if (tdest != dst_first) {
1354 emit3 ( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_first], Assembler::or_op3, 0/*G0*/, 0/*op2*/, Matcher::_regEncode[tdest] );
1355 }
1356 }
1357 #ifndef PRODUCT
1358 else if( !do_size ) {
1359 if( size != 0 ) st->print("\n\t"); // %%%%% !!!!!
1360 st->print("SRLX R_%s,32,R_%s\t! Extract MSW\n\t",OptoReg::regname(src_second),OptoReg::regname(tdest));
1361 st->print("SRL R_%s, 0,R_%s\t! Extract LSW\n\t",OptoReg::regname(src_first),OptoReg::regname(dst_second));
1362 if (tdest != dst_first) {
1363 st->print("MOV R_%s,R_%s\t! spill\n\t", OptoReg::regname(tdest), OptoReg::regname(dst_first));
1364 }
1365 }
1366 #endif // PRODUCT
1367 return size+8;
1368 }
1369 #endif // !_LP64
1370 // Else normal reg-reg copy
1371 assert( src_second != dst_first, "smashed second before evacuating it" );
1372 size = impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::or_op3,0,"MOV ",size, st);
1373 assert( (src_first&1) == 0 && (dst_first&1) == 0, "never move second-halves of int registers" );
1374 // This moves an aligned adjacent pair.
1375 // See if we are done.
1376 if( src_first+1 == src_second && dst_first+1 == dst_second )
1377 return size;
1378 }
1380 // Check for integer store
1381 if( src_first_rc == rc_int && dst_first_rc == rc_stack ) {
1382 int offset = ra_->reg2offset(dst_first);
1383 // Further check for aligned-adjacent pair, so we can use a double store
1384 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1385 return impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stx_op3,"STX ",size, st);
1386 size = impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stw_op3,"STW ",size, st);
1387 }
1389 // Check for integer load
1390 if( dst_first_rc == rc_int && src_first_rc == rc_stack ) {
1391 int offset = ra_->reg2offset(src_first);
1392 // Further check for aligned-adjacent pair, so we can use a double load
1393 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1394 return impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::ldx_op3 ,"LDX ",size, st);
1395 size = impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st);
1396 }
1398 // Check for float reg-reg copy
1399 if( src_first_rc == rc_float && dst_first_rc == rc_float ) {
1400 // Further check for aligned-adjacent pair, so we can use a double move
1401 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1402 return impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::fpop1_op3,Assembler::fmovd_opf,"FMOVD",size, st);
1403 size = impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::fpop1_op3,Assembler::fmovs_opf,"FMOVS",size, st);
1404 }
1406 // Check for float store
1407 if( src_first_rc == rc_float && dst_first_rc == rc_stack ) {
1408 int offset = ra_->reg2offset(dst_first);
1409 // Further check for aligned-adjacent pair, so we can use a double store
1410 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1411 return impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stdf_op3,"STDF",size, st);
1412 size = impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st);
1413 }
1415 // Check for float load
1416 if( dst_first_rc == rc_float && src_first_rc == rc_stack ) {
1417 int offset = ra_->reg2offset(src_first);
1418 // Further check for aligned-adjacent pair, so we can use a double load
1419 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1420 return impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::lddf_op3,"LDDF",size, st);
1421 size = impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::ldf_op3 ,"LDF ",size, st);
1422 }
1424 // --------------------------------------------------------------------
1425 // Check for hi bits still needing moving. Only happens for misaligned
1426 // arguments to native calls.
1427 if( src_second == dst_second )
1428 return size; // Self copy; no move
1429 assert( src_second_rc != rc_bad && dst_second_rc != rc_bad, "src_second & dst_second cannot be Bad" );
1431 #ifndef _LP64
1432 // In the LP64 build, all registers can be moved as aligned/adjacent
1433 // pairs, so there's never any need to move the high bits seperately.
1434 // The 32-bit builds have to deal with the 32-bit ABI which can force
1435 // all sorts of silly alignment problems.
1437 // Check for integer reg-reg copy. Hi bits are stuck up in the top
1438 // 32-bits of a 64-bit register, but are needed in low bits of another
1439 // register (else it's a hi-bits-to-hi-bits copy which should have
1440 // happened already as part of a 64-bit move)
1441 if( src_second_rc == rc_int && dst_second_rc == rc_int ) {
1442 assert( (src_second&1)==1, "its the evil O0/O1 native return case" );
1443 assert( (dst_second&1)==0, "should have moved with 1 64-bit move" );
1444 // Shift src_second down to dst_second's low bits.
1445 if( cbuf ) {
1446 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_second], Assembler::srlx_op3, Matcher::_regEncode[src_second-1], 0x1020 );
1447 #ifndef PRODUCT
1448 } else if( !do_size ) {
1449 if( size != 0 ) st->print("\n\t");
1450 st->print("SRLX R_%s,32,R_%s\t! spill: Move high bits down low",OptoReg::regname(src_second-1),OptoReg::regname(dst_second));
1451 #endif
1452 }
1453 return size+4;
1454 }
1456 // Check for high word integer store. Must down-shift the hi bits
1457 // into a temp register, then fall into the case of storing int bits.
1458 if( src_second_rc == rc_int && dst_second_rc == rc_stack && (src_second&1)==1 ) {
1459 // Shift src_second down to dst_second's low bits.
1460 if( cbuf ) {
1461 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[R_O7_num], Assembler::srlx_op3, Matcher::_regEncode[src_second-1], 0x1020 );
1462 #ifndef PRODUCT
1463 } else if( !do_size ) {
1464 if( size != 0 ) st->print("\n\t");
1465 st->print("SRLX R_%s,32,R_%s\t! spill: Move high bits down low",OptoReg::regname(src_second-1),OptoReg::regname(R_O7_num));
1466 #endif
1467 }
1468 size+=4;
1469 src_second = OptoReg::Name(R_O7_num); // Not R_O7H_num!
1470 }
1472 // Check for high word integer load
1473 if( dst_second_rc == rc_int && src_second_rc == rc_stack )
1474 return impl_helper(this,cbuf,ra_,do_size,true ,ra_->reg2offset(src_second),dst_second,Assembler::lduw_op3,"LDUW",size, st);
1476 // Check for high word integer store
1477 if( src_second_rc == rc_int && dst_second_rc == rc_stack )
1478 return impl_helper(this,cbuf,ra_,do_size,false,ra_->reg2offset(dst_second),src_second,Assembler::stw_op3 ,"STW ",size, st);
1480 // Check for high word float store
1481 if( src_second_rc == rc_float && dst_second_rc == rc_stack )
1482 return impl_helper(this,cbuf,ra_,do_size,false,ra_->reg2offset(dst_second),src_second,Assembler::stf_op3 ,"STF ",size, st);
1484 #endif // !_LP64
1486 Unimplemented();
1487 }
1489 #ifndef PRODUCT
1490 void MachSpillCopyNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1491 implementation( NULL, ra_, false, st );
1492 }
1493 #endif
1495 void MachSpillCopyNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1496 implementation( &cbuf, ra_, false, NULL );
1497 }
1499 uint MachSpillCopyNode::size(PhaseRegAlloc *ra_) const {
1500 return implementation( NULL, ra_, true, NULL );
1501 }
1503 //=============================================================================
1504 #ifndef PRODUCT
1505 void MachNopNode::format( PhaseRegAlloc *, outputStream *st ) const {
1506 st->print("NOP \t# %d bytes pad for loops and calls", 4 * _count);
1507 }
1508 #endif
1510 void MachNopNode::emit(CodeBuffer &cbuf, PhaseRegAlloc * ) const {
1511 MacroAssembler _masm(&cbuf);
1512 for(int i = 0; i < _count; i += 1) {
1513 __ nop();
1514 }
1515 }
1517 uint MachNopNode::size(PhaseRegAlloc *ra_) const {
1518 return 4 * _count;
1519 }
1522 //=============================================================================
1523 #ifndef PRODUCT
1524 void BoxLockNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1525 int offset = ra_->reg2offset(in_RegMask(0).find_first_elem());
1526 int reg = ra_->get_reg_first(this);
1527 st->print("LEA [R_SP+#%d+BIAS],%s",offset,Matcher::regName[reg]);
1528 }
1529 #endif
1531 void BoxLockNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1532 MacroAssembler _masm(&cbuf);
1533 int offset = ra_->reg2offset(in_RegMask(0).find_first_elem()) + STACK_BIAS;
1534 int reg = ra_->get_encode(this);
1536 if (Assembler::is_simm13(offset)) {
1537 __ add(SP, offset, reg_to_register_object(reg));
1538 } else {
1539 __ set(offset, O7);
1540 __ add(SP, O7, reg_to_register_object(reg));
1541 }
1542 }
1544 uint BoxLockNode::size(PhaseRegAlloc *ra_) const {
1545 // BoxLockNode is not a MachNode, so we can't just call MachNode::size(ra_)
1546 assert(ra_ == ra_->C->regalloc(), "sanity");
1547 return ra_->C->scratch_emit_size(this);
1548 }
1550 //=============================================================================
1552 // emit call stub, compiled java to interpretor
1553 void emit_java_to_interp(CodeBuffer &cbuf ) {
1555 // Stub is fixed up when the corresponding call is converted from calling
1556 // compiled code to calling interpreted code.
1557 // set (empty), G5
1558 // jmp -1
1560 address mark = cbuf.inst_mark(); // get mark within main instrs section
1562 MacroAssembler _masm(&cbuf);
1564 address base =
1565 __ start_a_stub(Compile::MAX_stubs_size);
1566 if (base == NULL) return; // CodeBuffer::expand failed
1568 // static stub relocation stores the instruction address of the call
1569 __ relocate(static_stub_Relocation::spec(mark));
1571 __ set_oop(NULL, reg_to_register_object(Matcher::inline_cache_reg_encode()));
1573 __ set_inst_mark();
1574 Address a(G3, (address)-1);
1575 __ JUMP(a, 0);
1577 __ delayed()->nop();
1579 // Update current stubs pointer and restore code_end.
1580 __ end_a_stub();
1581 }
1583 // size of call stub, compiled java to interpretor
1584 uint size_java_to_interp() {
1585 // This doesn't need to be accurate but it must be larger or equal to
1586 // the real size of the stub.
1587 return (NativeMovConstReg::instruction_size + // sethi/setlo;
1588 NativeJump::instruction_size + // sethi; jmp; nop
1589 (TraceJumps ? 20 * BytesPerInstWord : 0) );
1590 }
1591 // relocation entries for call stub, compiled java to interpretor
1592 uint reloc_java_to_interp() {
1593 return 10; // 4 in emit_java_to_interp + 1 in Java_Static_Call
1594 }
1597 //=============================================================================
1598 #ifndef PRODUCT
1599 void MachUEPNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1600 st->print_cr("\nUEP:");
1601 #ifdef _LP64
1602 if (UseCompressedOops) {
1603 st->print_cr("\tLDUW [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check - compressed klass");
1604 st->print_cr("\tSLL R_G5,3,R_G5");
1605 st->print_cr("\tADD R_G5,R_G6_heap_base,R_G5");
1606 } else {
1607 st->print_cr("\tLDX [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check");
1608 }
1609 st->print_cr("\tCMP R_G5,R_G3" );
1610 st->print ("\tTne xcc,R_G0+ST_RESERVED_FOR_USER_0+2");
1611 #else // _LP64
1612 st->print_cr("\tLDUW [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check");
1613 st->print_cr("\tCMP R_G5,R_G3" );
1614 st->print ("\tTne icc,R_G0+ST_RESERVED_FOR_USER_0+2");
1615 #endif // _LP64
1616 }
1617 #endif
1619 void MachUEPNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1620 MacroAssembler _masm(&cbuf);
1621 Label L;
1622 Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode());
1623 Register temp_reg = G3;
1624 assert( G5_ic_reg != temp_reg, "conflicting registers" );
1626 // Load klass from reciever
1627 __ load_klass(O0, temp_reg);
1628 // Compare against expected klass
1629 __ cmp(temp_reg, G5_ic_reg);
1630 // Branch to miss code, checks xcc or icc depending
1631 __ trap(Assembler::notEqual, Assembler::ptr_cc, G0, ST_RESERVED_FOR_USER_0+2);
1632 }
1634 uint MachUEPNode::size(PhaseRegAlloc *ra_) const {
1635 return MachNode::size(ra_);
1636 }
1639 //=============================================================================
1641 uint size_exception_handler() {
1642 if (TraceJumps) {
1643 return (400); // just a guess
1644 }
1645 return ( NativeJump::instruction_size ); // sethi;jmp;nop
1646 }
1648 uint size_deopt_handler() {
1649 if (TraceJumps) {
1650 return (400); // just a guess
1651 }
1652 return ( 4+ NativeJump::instruction_size ); // save;sethi;jmp;restore
1653 }
1655 // Emit exception handler code.
1656 int emit_exception_handler(CodeBuffer& cbuf) {
1657 Register temp_reg = G3;
1658 Address exception_blob(temp_reg, OptoRuntime::exception_blob()->instructions_begin());
1659 MacroAssembler _masm(&cbuf);
1661 address base =
1662 __ start_a_stub(size_exception_handler());
1663 if (base == NULL) return 0; // CodeBuffer::expand failed
1665 int offset = __ offset();
1667 __ JUMP(exception_blob, 0); // sethi;jmp
1668 __ delayed()->nop();
1670 assert(__ offset() - offset <= (int) size_exception_handler(), "overflow");
1672 __ end_a_stub();
1674 return offset;
1675 }
1677 int emit_deopt_handler(CodeBuffer& cbuf) {
1678 // Can't use any of the current frame's registers as we may have deopted
1679 // at a poll and everything (including G3) can be live.
1680 Register temp_reg = L0;
1681 Address deopt_blob(temp_reg, SharedRuntime::deopt_blob()->unpack());
1682 MacroAssembler _masm(&cbuf);
1684 address base =
1685 __ start_a_stub(size_deopt_handler());
1686 if (base == NULL) return 0; // CodeBuffer::expand failed
1688 int offset = __ offset();
1689 __ save_frame(0);
1690 __ JUMP(deopt_blob, 0); // sethi;jmp
1691 __ delayed()->restore();
1693 assert(__ offset() - offset <= (int) size_deopt_handler(), "overflow");
1695 __ end_a_stub();
1696 return offset;
1698 }
1700 // Given a register encoding, produce a Integer Register object
1701 static Register reg_to_register_object(int register_encoding) {
1702 assert(L5->encoding() == R_L5_enc && G1->encoding() == R_G1_enc, "right coding");
1703 return as_Register(register_encoding);
1704 }
1706 // Given a register encoding, produce a single-precision Float Register object
1707 static FloatRegister reg_to_SingleFloatRegister_object(int register_encoding) {
1708 assert(F5->encoding(FloatRegisterImpl::S) == R_F5_enc && F12->encoding(FloatRegisterImpl::S) == R_F12_enc, "right coding");
1709 return as_SingleFloatRegister(register_encoding);
1710 }
1712 // Given a register encoding, produce a double-precision Float Register object
1713 static FloatRegister reg_to_DoubleFloatRegister_object(int register_encoding) {
1714 assert(F4->encoding(FloatRegisterImpl::D) == R_F4_enc, "right coding");
1715 assert(F32->encoding(FloatRegisterImpl::D) == R_D32_enc, "right coding");
1716 return as_DoubleFloatRegister(register_encoding);
1717 }
1719 int Matcher::regnum_to_fpu_offset(int regnum) {
1720 return regnum - 32; // The FP registers are in the second chunk
1721 }
1723 #ifdef ASSERT
1724 address last_rethrow = NULL; // debugging aid for Rethrow encoding
1725 #endif
1727 // Vector width in bytes
1728 const uint Matcher::vector_width_in_bytes(void) {
1729 return 8;
1730 }
1732 // Vector ideal reg
1733 const uint Matcher::vector_ideal_reg(void) {
1734 return Op_RegD;
1735 }
1737 // USII supports fxtof through the whole range of number, USIII doesn't
1738 const bool Matcher::convL2FSupported(void) {
1739 return VM_Version::has_fast_fxtof();
1740 }
1742 // Is this branch offset short enough that a short branch can be used?
1743 //
1744 // NOTE: If the platform does not provide any short branch variants, then
1745 // this method should return false for offset 0.
1746 bool Matcher::is_short_branch_offset(int offset) {
1747 return false;
1748 }
1750 const bool Matcher::isSimpleConstant64(jlong value) {
1751 // Will one (StoreL ConL) be cheaper than two (StoreI ConI)?.
1752 // Depends on optimizations in MacroAssembler::setx.
1753 int hi = (int)(value >> 32);
1754 int lo = (int)(value & ~0);
1755 return (hi == 0) || (hi == -1) || (lo == 0);
1756 }
1758 // No scaling for the parameter the ClearArray node.
1759 const bool Matcher::init_array_count_is_in_bytes = true;
1761 // Threshold size for cleararray.
1762 const int Matcher::init_array_short_size = 8 * BytesPerLong;
1764 // Should the Matcher clone shifts on addressing modes, expecting them to
1765 // be subsumed into complex addressing expressions or compute them into
1766 // registers? True for Intel but false for most RISCs
1767 const bool Matcher::clone_shift_expressions = false;
1769 // Is it better to copy float constants, or load them directly from memory?
1770 // Intel can load a float constant from a direct address, requiring no
1771 // extra registers. Most RISCs will have to materialize an address into a
1772 // register first, so they would do better to copy the constant from stack.
1773 const bool Matcher::rematerialize_float_constants = false;
1775 // If CPU can load and store mis-aligned doubles directly then no fixup is
1776 // needed. Else we split the double into 2 integer pieces and move it
1777 // piece-by-piece. Only happens when passing doubles into C code as the
1778 // Java calling convention forces doubles to be aligned.
1779 #ifdef _LP64
1780 const bool Matcher::misaligned_doubles_ok = true;
1781 #else
1782 const bool Matcher::misaligned_doubles_ok = false;
1783 #endif
1785 // No-op on SPARC.
1786 void Matcher::pd_implicit_null_fixup(MachNode *node, uint idx) {
1787 }
1789 // Advertise here if the CPU requires explicit rounding operations
1790 // to implement the UseStrictFP mode.
1791 const bool Matcher::strict_fp_requires_explicit_rounding = false;
1793 // Do floats take an entire double register or just half?
1794 const bool Matcher::float_in_double = false;
1796 // Do ints take an entire long register or just half?
1797 // Note that we if-def off of _LP64.
1798 // The relevant question is how the int is callee-saved. In _LP64
1799 // the whole long is written but de-opt'ing will have to extract
1800 // the relevant 32 bits, in not-_LP64 only the low 32 bits is written.
1801 #ifdef _LP64
1802 const bool Matcher::int_in_long = true;
1803 #else
1804 const bool Matcher::int_in_long = false;
1805 #endif
1807 // Return whether or not this register is ever used as an argument. This
1808 // function is used on startup to build the trampoline stubs in generateOptoStub.
1809 // Registers not mentioned will be killed by the VM call in the trampoline, and
1810 // arguments in those registers not be available to the callee.
1811 bool Matcher::can_be_java_arg( int reg ) {
1812 // Standard sparc 6 args in registers
1813 if( reg == R_I0_num ||
1814 reg == R_I1_num ||
1815 reg == R_I2_num ||
1816 reg == R_I3_num ||
1817 reg == R_I4_num ||
1818 reg == R_I5_num ) return true;
1819 #ifdef _LP64
1820 // 64-bit builds can pass 64-bit pointers and longs in
1821 // the high I registers
1822 if( reg == R_I0H_num ||
1823 reg == R_I1H_num ||
1824 reg == R_I2H_num ||
1825 reg == R_I3H_num ||
1826 reg == R_I4H_num ||
1827 reg == R_I5H_num ) return true;
1829 if ((UseCompressedOops) && (reg == R_G6_num || reg == R_G6H_num)) {
1830 return true;
1831 }
1833 #else
1834 // 32-bit builds with longs-in-one-entry pass longs in G1 & G4.
1835 // Longs cannot be passed in O regs, because O regs become I regs
1836 // after a 'save' and I regs get their high bits chopped off on
1837 // interrupt.
1838 if( reg == R_G1H_num || reg == R_G1_num ) return true;
1839 if( reg == R_G4H_num || reg == R_G4_num ) return true;
1840 #endif
1841 // A few float args in registers
1842 if( reg >= R_F0_num && reg <= R_F7_num ) return true;
1844 return false;
1845 }
1847 bool Matcher::is_spillable_arg( int reg ) {
1848 return can_be_java_arg(reg);
1849 }
1851 // Register for DIVI projection of divmodI
1852 RegMask Matcher::divI_proj_mask() {
1853 ShouldNotReachHere();
1854 return RegMask();
1855 }
1857 // Register for MODI projection of divmodI
1858 RegMask Matcher::modI_proj_mask() {
1859 ShouldNotReachHere();
1860 return RegMask();
1861 }
1863 // Register for DIVL projection of divmodL
1864 RegMask Matcher::divL_proj_mask() {
1865 ShouldNotReachHere();
1866 return RegMask();
1867 }
1869 // Register for MODL projection of divmodL
1870 RegMask Matcher::modL_proj_mask() {
1871 ShouldNotReachHere();
1872 return RegMask();
1873 }
1875 %}
1878 // The intptr_t operand types, defined by textual substitution.
1879 // (Cf. opto/type.hpp. This lets us avoid many, many other ifdefs.)
1880 #ifdef _LP64
1881 #define immX immL
1882 #define immX13 immL13
1883 #define iRegX iRegL
1884 #define g1RegX g1RegL
1885 #else
1886 #define immX immI
1887 #define immX13 immI13
1888 #define iRegX iRegI
1889 #define g1RegX g1RegI
1890 #endif
1892 //----------ENCODING BLOCK-----------------------------------------------------
1893 // This block specifies the encoding classes used by the compiler to output
1894 // byte streams. Encoding classes are parameterized macros used by
1895 // Machine Instruction Nodes in order to generate the bit encoding of the
1896 // instruction. Operands specify their base encoding interface with the
1897 // interface keyword. There are currently supported four interfaces,
1898 // REG_INTER, CONST_INTER, MEMORY_INTER, & COND_INTER. REG_INTER causes an
1899 // operand to generate a function which returns its register number when
1900 // queried. CONST_INTER causes an operand to generate a function which
1901 // returns the value of the constant when queried. MEMORY_INTER causes an
1902 // operand to generate four functions which return the Base Register, the
1903 // Index Register, the Scale Value, and the Offset Value of the operand when
1904 // queried. COND_INTER causes an operand to generate six functions which
1905 // return the encoding code (ie - encoding bits for the instruction)
1906 // associated with each basic boolean condition for a conditional instruction.
1907 //
1908 // Instructions specify two basic values for encoding. Again, a function
1909 // is available to check if the constant displacement is an oop. They use the
1910 // ins_encode keyword to specify their encoding classes (which must be
1911 // a sequence of enc_class names, and their parameters, specified in
1912 // the encoding block), and they use the
1913 // opcode keyword to specify, in order, their primary, secondary, and
1914 // tertiary opcode. Only the opcode sections which a particular instruction
1915 // needs for encoding need to be specified.
1916 encode %{
1917 enc_class enc_untested %{
1918 #ifdef ASSERT
1919 MacroAssembler _masm(&cbuf);
1920 __ untested("encoding");
1921 #endif
1922 %}
1924 enc_class form3_mem_reg( memory mem, iRegI dst ) %{
1925 emit_form3_mem_reg(cbuf, this, $primary, $tertiary,
1926 $mem$$base, $mem$$disp, $mem$$index, $dst$$reg);
1927 %}
1929 enc_class form3_mem_reg_little( memory mem, iRegI dst) %{
1930 emit_form3_mem_reg_asi(cbuf, this, $primary, $tertiary,
1931 $mem$$base, $mem$$disp, $mem$$index, $dst$$reg, Assembler::ASI_PRIMARY_LITTLE);
1932 %}
1934 enc_class form3_mem_prefetch_read( memory mem ) %{
1935 emit_form3_mem_reg(cbuf, this, $primary, $tertiary,
1936 $mem$$base, $mem$$disp, $mem$$index, 0/*prefetch function many-reads*/);
1937 %}
1939 enc_class form3_mem_prefetch_write( memory mem ) %{
1940 emit_form3_mem_reg(cbuf, this, $primary, $tertiary,
1941 $mem$$base, $mem$$disp, $mem$$index, 2/*prefetch function many-writes*/);
1942 %}
1944 enc_class form3_mem_reg_long_unaligned_marshal( memory mem, iRegL reg ) %{
1945 assert( Assembler::is_simm13($mem$$disp ), "need disp and disp+4" );
1946 assert( Assembler::is_simm13($mem$$disp+4), "need disp and disp+4" );
1947 guarantee($mem$$index == R_G0_enc, "double index?");
1948 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp+4, R_G0_enc, R_O7_enc );
1949 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp, R_G0_enc, $reg$$reg );
1950 emit3_simm13( cbuf, Assembler::arith_op, $reg$$reg, Assembler::sllx_op3, $reg$$reg, 0x1020 );
1951 emit3( cbuf, Assembler::arith_op, $reg$$reg, Assembler::or_op3, $reg$$reg, 0, R_O7_enc );
1952 %}
1954 enc_class form3_mem_reg_double_unaligned( memory mem, RegD_low reg ) %{
1955 assert( Assembler::is_simm13($mem$$disp ), "need disp and disp+4" );
1956 assert( Assembler::is_simm13($mem$$disp+4), "need disp and disp+4" );
1957 guarantee($mem$$index == R_G0_enc, "double index?");
1958 // Load long with 2 instructions
1959 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp, R_G0_enc, $reg$$reg+0 );
1960 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp+4, R_G0_enc, $reg$$reg+1 );
1961 %}
1963 //%%% form3_mem_plus_4_reg is a hack--get rid of it
1964 enc_class form3_mem_plus_4_reg( memory mem, iRegI dst ) %{
1965 guarantee($mem$$disp, "cannot offset a reg-reg operand by 4");
1966 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp + 4, $mem$$index, $dst$$reg);
1967 %}
1969 enc_class form3_g0_rs2_rd_move( iRegI rs2, iRegI rd ) %{
1970 // Encode a reg-reg copy. If it is useless, then empty encoding.
1971 if( $rs2$$reg != $rd$$reg )
1972 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, $rs2$$reg );
1973 %}
1975 // Target lo half of long
1976 enc_class form3_g0_rs2_rd_move_lo( iRegI rs2, iRegL rd ) %{
1977 // Encode a reg-reg copy. If it is useless, then empty encoding.
1978 if( $rs2$$reg != LONG_LO_REG($rd$$reg) )
1979 emit3( cbuf, Assembler::arith_op, LONG_LO_REG($rd$$reg), Assembler::or_op3, 0, 0, $rs2$$reg );
1980 %}
1982 // Source lo half of long
1983 enc_class form3_g0_rs2_rd_move_lo2( iRegL rs2, iRegI rd ) %{
1984 // Encode a reg-reg copy. If it is useless, then empty encoding.
1985 if( LONG_LO_REG($rs2$$reg) != $rd$$reg )
1986 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, LONG_LO_REG($rs2$$reg) );
1987 %}
1989 // Target hi half of long
1990 enc_class form3_rs1_rd_copysign_hi( iRegI rs1, iRegL rd ) %{
1991 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::sra_op3, $rs1$$reg, 31 );
1992 %}
1994 // Source lo half of long, and leave it sign extended.
1995 enc_class form3_rs1_rd_signextend_lo1( iRegL rs1, iRegI rd ) %{
1996 // Sign extend low half
1997 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::sra_op3, $rs1$$reg, 0, 0 );
1998 %}
2000 // Source hi half of long, and leave it sign extended.
2001 enc_class form3_rs1_rd_copy_hi1( iRegL rs1, iRegI rd ) %{
2002 // Shift high half to low half
2003 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::srlx_op3, $rs1$$reg, 32 );
2004 %}
2006 // Source hi half of long
2007 enc_class form3_g0_rs2_rd_move_hi2( iRegL rs2, iRegI rd ) %{
2008 // Encode a reg-reg copy. If it is useless, then empty encoding.
2009 if( LONG_HI_REG($rs2$$reg) != $rd$$reg )
2010 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, LONG_HI_REG($rs2$$reg) );
2011 %}
2013 enc_class form3_rs1_rs2_rd( iRegI rs1, iRegI rs2, iRegI rd ) %{
2014 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, 0, $rs2$$reg );
2015 %}
2017 enc_class enc_to_bool( iRegI src, iRegI dst ) %{
2018 emit3 ( cbuf, Assembler::arith_op, 0, Assembler::subcc_op3, 0, 0, $src$$reg );
2019 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::addc_op3 , 0, 0 );
2020 %}
2022 enc_class enc_ltmask( iRegI p, iRegI q, iRegI dst ) %{
2023 emit3 ( cbuf, Assembler::arith_op, 0, Assembler::subcc_op3, $p$$reg, 0, $q$$reg );
2024 // clear if nothing else is happening
2025 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, 0 );
2026 // blt,a,pn done
2027 emit2_19 ( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::less, Assembler::bp_op2, Assembler::icc, 0/*predict not taken*/, 2 );
2028 // mov dst,-1 in delay slot
2029 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, -1 );
2030 %}
2032 enc_class form3_rs1_imm5_rd( iRegI rs1, immU5 imm5, iRegI rd ) %{
2033 emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $imm5$$constant & 0x1F );
2034 %}
2036 enc_class form3_sd_rs1_imm6_rd( iRegL rs1, immU6 imm6, iRegL rd ) %{
2037 emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, ($imm6$$constant & 0x3F) | 0x1000 );
2038 %}
2040 enc_class form3_sd_rs1_rs2_rd( iRegL rs1, iRegI rs2, iRegL rd ) %{
2041 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, 0x80, $rs2$$reg );
2042 %}
2044 enc_class form3_rs1_simm13_rd( iRegI rs1, immI13 simm13, iRegI rd ) %{
2045 emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $simm13$$constant );
2046 %}
2048 enc_class move_return_pc_to_o1() %{
2049 emit3_simm13( cbuf, Assembler::arith_op, R_O1_enc, Assembler::add_op3, R_O7_enc, frame::pc_return_offset );
2050 %}
2052 #ifdef _LP64
2053 /* %%% merge with enc_to_bool */
2054 enc_class enc_convP2B( iRegI dst, iRegP src ) %{
2055 MacroAssembler _masm(&cbuf);
2057 Register src_reg = reg_to_register_object($src$$reg);
2058 Register dst_reg = reg_to_register_object($dst$$reg);
2059 __ movr(Assembler::rc_nz, src_reg, 1, dst_reg);
2060 %}
2061 #endif
2063 enc_class enc_cadd_cmpLTMask( iRegI p, iRegI q, iRegI y, iRegI tmp ) %{
2064 // (Set p (AddI (AndI (CmpLTMask p q) y) (SubI p q)))
2065 MacroAssembler _masm(&cbuf);
2067 Register p_reg = reg_to_register_object($p$$reg);
2068 Register q_reg = reg_to_register_object($q$$reg);
2069 Register y_reg = reg_to_register_object($y$$reg);
2070 Register tmp_reg = reg_to_register_object($tmp$$reg);
2072 __ subcc( p_reg, q_reg, p_reg );
2073 __ add ( p_reg, y_reg, tmp_reg );
2074 __ movcc( Assembler::less, false, Assembler::icc, tmp_reg, p_reg );
2075 %}
2077 enc_class form_d2i_helper(regD src, regF dst) %{
2078 // fcmp %fcc0,$src,$src
2079 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmpd_opf, $src$$reg );
2080 // branch %fcc0 not-nan, predict taken
2081 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2082 // fdtoi $src,$dst
2083 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fdtoi_opf, $src$$reg );
2084 // fitos $dst,$dst (if nan)
2085 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fitos_opf, $dst$$reg );
2086 // clear $dst (if nan)
2087 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubs_opf, $dst$$reg );
2088 // carry on here...
2089 %}
2091 enc_class form_d2l_helper(regD src, regD dst) %{
2092 // fcmp %fcc0,$src,$src check for NAN
2093 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmpd_opf, $src$$reg );
2094 // branch %fcc0 not-nan, predict taken
2095 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2096 // fdtox $src,$dst convert in delay slot
2097 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fdtox_opf, $src$$reg );
2098 // fxtod $dst,$dst (if nan)
2099 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fxtod_opf, $dst$$reg );
2100 // clear $dst (if nan)
2101 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubd_opf, $dst$$reg );
2102 // carry on here...
2103 %}
2105 enc_class form_f2i_helper(regF src, regF dst) %{
2106 // fcmps %fcc0,$src,$src
2107 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmps_opf, $src$$reg );
2108 // branch %fcc0 not-nan, predict taken
2109 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2110 // fstoi $src,$dst
2111 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fstoi_opf, $src$$reg );
2112 // fitos $dst,$dst (if nan)
2113 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fitos_opf, $dst$$reg );
2114 // clear $dst (if nan)
2115 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubs_opf, $dst$$reg );
2116 // carry on here...
2117 %}
2119 enc_class form_f2l_helper(regF src, regD dst) %{
2120 // fcmps %fcc0,$src,$src
2121 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmps_opf, $src$$reg );
2122 // branch %fcc0 not-nan, predict taken
2123 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2124 // fstox $src,$dst
2125 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fstox_opf, $src$$reg );
2126 // fxtod $dst,$dst (if nan)
2127 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fxtod_opf, $dst$$reg );
2128 // clear $dst (if nan)
2129 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubd_opf, $dst$$reg );
2130 // carry on here...
2131 %}
2133 enc_class form3_opf_rs2F_rdF(regF rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2134 enc_class form3_opf_rs2F_rdD(regF rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2135 enc_class form3_opf_rs2D_rdF(regD rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2136 enc_class form3_opf_rs2D_rdD(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2138 enc_class form3_opf_rs2D_lo_rdF(regD rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg+1); %}
2140 enc_class form3_opf_rs2D_hi_rdD_hi(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2141 enc_class form3_opf_rs2D_lo_rdD_lo(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg+1,$primary,0,$tertiary,$rs2$$reg+1); %}
2143 enc_class form3_opf_rs1F_rs2F_rdF( regF rs1, regF rs2, regF rd ) %{
2144 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2145 %}
2147 enc_class form3_opf_rs1D_rs2D_rdD( regD rs1, regD rs2, regD rd ) %{
2148 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2149 %}
2151 enc_class form3_opf_rs1F_rs2F_fcc( regF rs1, regF rs2, flagsRegF fcc ) %{
2152 emit3( cbuf, $secondary, $fcc$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2153 %}
2155 enc_class form3_opf_rs1D_rs2D_fcc( regD rs1, regD rs2, flagsRegF fcc ) %{
2156 emit3( cbuf, $secondary, $fcc$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2157 %}
2159 enc_class form3_convI2F(regF rs2, regF rd) %{
2160 emit3(cbuf,Assembler::arith_op,$rd$$reg,Assembler::fpop1_op3,0,$secondary,$rs2$$reg);
2161 %}
2163 // Encloding class for traceable jumps
2164 enc_class form_jmpl(g3RegP dest) %{
2165 emit_jmpl(cbuf, $dest$$reg);
2166 %}
2168 enc_class form_jmpl_set_exception_pc(g1RegP dest) %{
2169 emit_jmpl_set_exception_pc(cbuf, $dest$$reg);
2170 %}
2172 enc_class form2_nop() %{
2173 emit_nop(cbuf);
2174 %}
2176 enc_class form2_illtrap() %{
2177 emit_illtrap(cbuf);
2178 %}
2181 // Compare longs and convert into -1, 0, 1.
2182 enc_class cmpl_flag( iRegL src1, iRegL src2, iRegI dst ) %{
2183 // CMP $src1,$src2
2184 emit3( cbuf, Assembler::arith_op, 0, Assembler::subcc_op3, $src1$$reg, 0, $src2$$reg );
2185 // blt,a,pn done
2186 emit2_19( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::less , Assembler::bp_op2, Assembler::xcc, 0/*predict not taken*/, 5 );
2187 // mov dst,-1 in delay slot
2188 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, -1 );
2189 // bgt,a,pn done
2190 emit2_19( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::greater, Assembler::bp_op2, Assembler::xcc, 0/*predict not taken*/, 3 );
2191 // mov dst,1 in delay slot
2192 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, 1 );
2193 // CLR $dst
2194 emit3( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3 , 0, 0, 0 );
2195 %}
2197 enc_class enc_PartialSubtypeCheck() %{
2198 MacroAssembler _masm(&cbuf);
2199 __ call(StubRoutines::Sparc::partial_subtype_check(), relocInfo::runtime_call_type);
2200 __ delayed()->nop();
2201 %}
2203 enc_class enc_bp( Label labl, cmpOp cmp, flagsReg cc ) %{
2204 MacroAssembler _masm(&cbuf);
2205 Label &L = *($labl$$label);
2206 Assembler::Predict predict_taken =
2207 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2209 __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::icc, predict_taken, L);
2210 __ delayed()->nop();
2211 %}
2213 enc_class enc_bpl( Label labl, cmpOp cmp, flagsRegL cc ) %{
2214 MacroAssembler _masm(&cbuf);
2215 Label &L = *($labl$$label);
2216 Assembler::Predict predict_taken =
2217 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2219 __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::xcc, predict_taken, L);
2220 __ delayed()->nop();
2221 %}
2223 enc_class enc_bpx( Label labl, cmpOp cmp, flagsRegP cc ) %{
2224 MacroAssembler _masm(&cbuf);
2225 Label &L = *($labl$$label);
2226 Assembler::Predict predict_taken =
2227 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2229 __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::ptr_cc, predict_taken, L);
2230 __ delayed()->nop();
2231 %}
2233 enc_class enc_fbp( Label labl, cmpOpF cmp, flagsRegF cc ) %{
2234 MacroAssembler _masm(&cbuf);
2235 Label &L = *($labl$$label);
2236 Assembler::Predict predict_taken =
2237 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2239 __ fbp( (Assembler::Condition)($cmp$$cmpcode), false, (Assembler::CC)($cc$$reg), predict_taken, L);
2240 __ delayed()->nop();
2241 %}
2243 enc_class jump_enc( iRegX switch_val, o7RegI table) %{
2244 MacroAssembler _masm(&cbuf);
2246 Register switch_reg = as_Register($switch_val$$reg);
2247 Register table_reg = O7;
2249 address table_base = __ address_table_constant(_index2label);
2250 RelocationHolder rspec = internal_word_Relocation::spec(table_base);
2252 // Load table address
2253 Address the_pc(table_reg, table_base, rspec);
2254 __ load_address(the_pc);
2256 // Jump to base address + switch value
2257 __ ld_ptr(table_reg, switch_reg, table_reg);
2258 __ jmp(table_reg, G0);
2259 __ delayed()->nop();
2261 %}
2263 enc_class enc_ba( Label labl ) %{
2264 MacroAssembler _masm(&cbuf);
2265 Label &L = *($labl$$label);
2266 __ ba(false, L);
2267 __ delayed()->nop();
2268 %}
2270 enc_class enc_bpr( Label labl, cmpOp_reg cmp, iRegI op1 ) %{
2271 MacroAssembler _masm(&cbuf);
2272 Label &L = *$labl$$label;
2273 Assembler::Predict predict_taken =
2274 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2276 __ bpr( (Assembler::RCondition)($cmp$$cmpcode), false, predict_taken, as_Register($op1$$reg), L);
2277 __ delayed()->nop();
2278 %}
2280 enc_class enc_cmov_reg( cmpOp cmp, iRegI dst, iRegI src, immI pcc) %{
2281 int op = (Assembler::arith_op << 30) |
2282 ($dst$$reg << 25) |
2283 (Assembler::movcc_op3 << 19) |
2284 (1 << 18) | // cc2 bit for 'icc'
2285 ($cmp$$cmpcode << 14) |
2286 (0 << 13) | // select register move
2287 ($pcc$$constant << 11) | // cc1, cc0 bits for 'icc' or 'xcc'
2288 ($src$$reg << 0);
2289 *((int*)(cbuf.code_end())) = op;
2290 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2291 %}
2293 enc_class enc_cmov_imm( cmpOp cmp, iRegI dst, immI11 src, immI pcc ) %{
2294 int simm11 = $src$$constant & ((1<<11)-1); // Mask to 11 bits
2295 int op = (Assembler::arith_op << 30) |
2296 ($dst$$reg << 25) |
2297 (Assembler::movcc_op3 << 19) |
2298 (1 << 18) | // cc2 bit for 'icc'
2299 ($cmp$$cmpcode << 14) |
2300 (1 << 13) | // select immediate move
2301 ($pcc$$constant << 11) | // cc1, cc0 bits for 'icc'
2302 (simm11 << 0);
2303 *((int*)(cbuf.code_end())) = op;
2304 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2305 %}
2307 enc_class enc_cmov_reg_f( cmpOpF cmp, iRegI dst, iRegI src, flagsRegF fcc ) %{
2308 int op = (Assembler::arith_op << 30) |
2309 ($dst$$reg << 25) |
2310 (Assembler::movcc_op3 << 19) |
2311 (0 << 18) | // cc2 bit for 'fccX'
2312 ($cmp$$cmpcode << 14) |
2313 (0 << 13) | // select register move
2314 ($fcc$$reg << 11) | // cc1, cc0 bits for fcc0-fcc3
2315 ($src$$reg << 0);
2316 *((int*)(cbuf.code_end())) = op;
2317 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2318 %}
2320 enc_class enc_cmov_imm_f( cmpOp cmp, iRegI dst, immI11 src, flagsRegF fcc ) %{
2321 int simm11 = $src$$constant & ((1<<11)-1); // Mask to 11 bits
2322 int op = (Assembler::arith_op << 30) |
2323 ($dst$$reg << 25) |
2324 (Assembler::movcc_op3 << 19) |
2325 (0 << 18) | // cc2 bit for 'fccX'
2326 ($cmp$$cmpcode << 14) |
2327 (1 << 13) | // select immediate move
2328 ($fcc$$reg << 11) | // cc1, cc0 bits for fcc0-fcc3
2329 (simm11 << 0);
2330 *((int*)(cbuf.code_end())) = op;
2331 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2332 %}
2334 enc_class enc_cmovf_reg( cmpOp cmp, regD dst, regD src, immI pcc ) %{
2335 int op = (Assembler::arith_op << 30) |
2336 ($dst$$reg << 25) |
2337 (Assembler::fpop2_op3 << 19) |
2338 (0 << 18) |
2339 ($cmp$$cmpcode << 14) |
2340 (1 << 13) | // select register move
2341 ($pcc$$constant << 11) | // cc1-cc0 bits for 'icc' or 'xcc'
2342 ($primary << 5) | // select single, double or quad
2343 ($src$$reg << 0);
2344 *((int*)(cbuf.code_end())) = op;
2345 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2346 %}
2348 enc_class enc_cmovff_reg( cmpOpF cmp, flagsRegF fcc, regD dst, regD src ) %{
2349 int op = (Assembler::arith_op << 30) |
2350 ($dst$$reg << 25) |
2351 (Assembler::fpop2_op3 << 19) |
2352 (0 << 18) |
2353 ($cmp$$cmpcode << 14) |
2354 ($fcc$$reg << 11) | // cc2-cc0 bits for 'fccX'
2355 ($primary << 5) | // select single, double or quad
2356 ($src$$reg << 0);
2357 *((int*)(cbuf.code_end())) = op;
2358 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2359 %}
2361 // Used by the MIN/MAX encodings. Same as a CMOV, but
2362 // the condition comes from opcode-field instead of an argument.
2363 enc_class enc_cmov_reg_minmax( iRegI dst, iRegI src ) %{
2364 int op = (Assembler::arith_op << 30) |
2365 ($dst$$reg << 25) |
2366 (Assembler::movcc_op3 << 19) |
2367 (1 << 18) | // cc2 bit for 'icc'
2368 ($primary << 14) |
2369 (0 << 13) | // select register move
2370 (0 << 11) | // cc1, cc0 bits for 'icc'
2371 ($src$$reg << 0);
2372 *((int*)(cbuf.code_end())) = op;
2373 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2374 %}
2376 enc_class enc_cmov_reg_minmax_long( iRegL dst, iRegL src ) %{
2377 int op = (Assembler::arith_op << 30) |
2378 ($dst$$reg << 25) |
2379 (Assembler::movcc_op3 << 19) |
2380 (6 << 16) | // cc2 bit for 'xcc'
2381 ($primary << 14) |
2382 (0 << 13) | // select register move
2383 (0 << 11) | // cc1, cc0 bits for 'icc'
2384 ($src$$reg << 0);
2385 *((int*)(cbuf.code_end())) = op;
2386 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2387 %}
2389 // Utility encoding for loading a 64 bit Pointer into a register
2390 // The 64 bit pointer is stored in the generated code stream
2391 enc_class SetPtr( immP src, iRegP rd ) %{
2392 Register dest = reg_to_register_object($rd$$reg);
2393 // [RGV] This next line should be generated from ADLC
2394 if ( _opnds[1]->constant_is_oop() ) {
2395 intptr_t val = $src$$constant;
2396 MacroAssembler _masm(&cbuf);
2397 __ set_oop_constant((jobject)val, dest);
2398 } else { // non-oop pointers, e.g. card mark base, heap top
2399 emit_ptr(cbuf, $src$$constant, dest, /*ForceRelocatable=*/ false);
2400 }
2401 %}
2403 enc_class Set13( immI13 src, iRegI rd ) %{
2404 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, $src$$constant );
2405 %}
2407 enc_class SetHi22( immI src, iRegI rd ) %{
2408 emit2_22( cbuf, Assembler::branch_op, $rd$$reg, Assembler::sethi_op2, $src$$constant );
2409 %}
2411 enc_class Set32( immI src, iRegI rd ) %{
2412 MacroAssembler _masm(&cbuf);
2413 __ set($src$$constant, reg_to_register_object($rd$$reg));
2414 %}
2416 enc_class SetNull( iRegI rd ) %{
2417 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0 );
2418 %}
2420 enc_class call_epilog %{
2421 if( VerifyStackAtCalls ) {
2422 MacroAssembler _masm(&cbuf);
2423 int framesize = ra_->C->frame_slots() << LogBytesPerInt;
2424 Register temp_reg = G3;
2425 __ add(SP, framesize, temp_reg);
2426 __ cmp(temp_reg, FP);
2427 __ breakpoint_trap(Assembler::notEqual, Assembler::ptr_cc);
2428 }
2429 %}
2431 // Long values come back from native calls in O0:O1 in the 32-bit VM, copy the value
2432 // to G1 so the register allocator will not have to deal with the misaligned register
2433 // pair.
2434 enc_class adjust_long_from_native_call %{
2435 #ifndef _LP64
2436 if (returns_long()) {
2437 // sllx O0,32,O0
2438 emit3_simm13( cbuf, Assembler::arith_op, R_O0_enc, Assembler::sllx_op3, R_O0_enc, 0x1020 );
2439 // srl O1,0,O1
2440 emit3_simm13( cbuf, Assembler::arith_op, R_O1_enc, Assembler::srl_op3, R_O1_enc, 0x0000 );
2441 // or O0,O1,G1
2442 emit3 ( cbuf, Assembler::arith_op, R_G1_enc, Assembler:: or_op3, R_O0_enc, 0, R_O1_enc );
2443 }
2444 #endif
2445 %}
2447 enc_class Java_To_Runtime (method meth) %{ // CALL Java_To_Runtime
2448 // CALL directly to the runtime
2449 // The user of this is responsible for ensuring that R_L7 is empty (killed).
2450 emit_call_reloc(cbuf, $meth$$method, relocInfo::runtime_call_type,
2451 /*preserve_g2=*/true, /*force far call*/true);
2452 %}
2454 enc_class Java_Static_Call (method meth) %{ // JAVA STATIC CALL
2455 // CALL to fixup routine. Fixup routine uses ScopeDesc info to determine
2456 // who we intended to call.
2457 if ( !_method ) {
2458 emit_call_reloc(cbuf, $meth$$method, relocInfo::runtime_call_type);
2459 } else if (_optimized_virtual) {
2460 emit_call_reloc(cbuf, $meth$$method, relocInfo::opt_virtual_call_type);
2461 } else {
2462 emit_call_reloc(cbuf, $meth$$method, relocInfo::static_call_type);
2463 }
2464 if( _method ) { // Emit stub for static call
2465 emit_java_to_interp(cbuf);
2466 }
2467 %}
2469 enc_class Java_Dynamic_Call (method meth) %{ // JAVA DYNAMIC CALL
2470 MacroAssembler _masm(&cbuf);
2471 __ set_inst_mark();
2472 int vtable_index = this->_vtable_index;
2473 // MachCallDynamicJavaNode::ret_addr_offset uses this same test
2474 if (vtable_index < 0) {
2475 // must be invalid_vtable_index, not nonvirtual_vtable_index
2476 assert(vtable_index == methodOopDesc::invalid_vtable_index, "correct sentinel value");
2477 Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode());
2478 assert(G5_ic_reg == G5_inline_cache_reg, "G5_inline_cache_reg used in assemble_ic_buffer_code()");
2479 assert(G5_ic_reg == G5_megamorphic_method, "G5_megamorphic_method used in megamorphic call stub");
2480 // !!!!!
2481 // Generate "set 0x01, R_G5", placeholder instruction to load oop-info
2482 // emit_call_dynamic_prologue( cbuf );
2483 __ set_oop((jobject)Universe::non_oop_word(), G5_ic_reg);
2485 address virtual_call_oop_addr = __ inst_mark();
2486 // CALL to fixup routine. Fixup routine uses ScopeDesc info to determine
2487 // who we intended to call.
2488 __ relocate(virtual_call_Relocation::spec(virtual_call_oop_addr));
2489 emit_call_reloc(cbuf, $meth$$method, relocInfo::none);
2490 } else {
2491 assert(!UseInlineCaches, "expect vtable calls only if not using ICs");
2492 // Just go thru the vtable
2493 // get receiver klass (receiver already checked for non-null)
2494 // If we end up going thru a c2i adapter interpreter expects method in G5
2495 int off = __ offset();
2496 __ load_klass(O0, G3_scratch);
2497 int klass_load_size;
2498 if (UseCompressedOops) {
2499 klass_load_size = 3*BytesPerInstWord;
2500 } else {
2501 klass_load_size = 1*BytesPerInstWord;
2502 }
2503 int entry_offset = instanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size();
2504 int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes();
2505 if( __ is_simm13(v_off) ) {
2506 __ ld_ptr(G3, v_off, G5_method);
2507 } else {
2508 // Generate 2 instructions
2509 __ Assembler::sethi(v_off & ~0x3ff, G5_method);
2510 __ or3(G5_method, v_off & 0x3ff, G5_method);
2511 // ld_ptr, set_hi, set
2512 assert(__ offset() - off == klass_load_size + 2*BytesPerInstWord,
2513 "Unexpected instruction size(s)");
2514 __ ld_ptr(G3, G5_method, G5_method);
2515 }
2516 // NOTE: for vtable dispatches, the vtable entry will never be null.
2517 // However it may very well end up in handle_wrong_method if the
2518 // method is abstract for the particular class.
2519 __ ld_ptr(G5_method, in_bytes(methodOopDesc::from_compiled_offset()), G3_scratch);
2520 // jump to target (either compiled code or c2iadapter)
2521 __ jmpl(G3_scratch, G0, O7);
2522 __ delayed()->nop();
2523 }
2524 %}
2526 enc_class Java_Compiled_Call (method meth) %{ // JAVA COMPILED CALL
2527 MacroAssembler _masm(&cbuf);
2529 Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode());
2530 Register temp_reg = G3; // caller must kill G3! We cannot reuse G5_ic_reg here because
2531 // we might be calling a C2I adapter which needs it.
2533 assert(temp_reg != G5_ic_reg, "conflicting registers");
2534 // Load nmethod
2535 __ ld_ptr(G5_ic_reg, in_bytes(methodOopDesc::from_compiled_offset()), temp_reg);
2537 // CALL to compiled java, indirect the contents of G3
2538 __ set_inst_mark();
2539 __ callr(temp_reg, G0);
2540 __ delayed()->nop();
2541 %}
2543 enc_class idiv_reg(iRegIsafe src1, iRegIsafe src2, iRegIsafe dst) %{
2544 MacroAssembler _masm(&cbuf);
2545 Register Rdividend = reg_to_register_object($src1$$reg);
2546 Register Rdivisor = reg_to_register_object($src2$$reg);
2547 Register Rresult = reg_to_register_object($dst$$reg);
2549 __ sra(Rdivisor, 0, Rdivisor);
2550 __ sra(Rdividend, 0, Rdividend);
2551 __ sdivx(Rdividend, Rdivisor, Rresult);
2552 %}
2554 enc_class idiv_imm(iRegIsafe src1, immI13 imm, iRegIsafe dst) %{
2555 MacroAssembler _masm(&cbuf);
2557 Register Rdividend = reg_to_register_object($src1$$reg);
2558 int divisor = $imm$$constant;
2559 Register Rresult = reg_to_register_object($dst$$reg);
2561 __ sra(Rdividend, 0, Rdividend);
2562 __ sdivx(Rdividend, divisor, Rresult);
2563 %}
2565 enc_class enc_mul_hi(iRegIsafe dst, iRegIsafe src1, iRegIsafe src2) %{
2566 MacroAssembler _masm(&cbuf);
2567 Register Rsrc1 = reg_to_register_object($src1$$reg);
2568 Register Rsrc2 = reg_to_register_object($src2$$reg);
2569 Register Rdst = reg_to_register_object($dst$$reg);
2571 __ sra( Rsrc1, 0, Rsrc1 );
2572 __ sra( Rsrc2, 0, Rsrc2 );
2573 __ mulx( Rsrc1, Rsrc2, Rdst );
2574 __ srlx( Rdst, 32, Rdst );
2575 %}
2577 enc_class irem_reg(iRegIsafe src1, iRegIsafe src2, iRegIsafe dst, o7RegL scratch) %{
2578 MacroAssembler _masm(&cbuf);
2579 Register Rdividend = reg_to_register_object($src1$$reg);
2580 Register Rdivisor = reg_to_register_object($src2$$reg);
2581 Register Rresult = reg_to_register_object($dst$$reg);
2582 Register Rscratch = reg_to_register_object($scratch$$reg);
2584 assert(Rdividend != Rscratch, "");
2585 assert(Rdivisor != Rscratch, "");
2587 __ sra(Rdividend, 0, Rdividend);
2588 __ sra(Rdivisor, 0, Rdivisor);
2589 __ sdivx(Rdividend, Rdivisor, Rscratch);
2590 __ mulx(Rscratch, Rdivisor, Rscratch);
2591 __ sub(Rdividend, Rscratch, Rresult);
2592 %}
2594 enc_class irem_imm(iRegIsafe src1, immI13 imm, iRegIsafe dst, o7RegL scratch) %{
2595 MacroAssembler _masm(&cbuf);
2597 Register Rdividend = reg_to_register_object($src1$$reg);
2598 int divisor = $imm$$constant;
2599 Register Rresult = reg_to_register_object($dst$$reg);
2600 Register Rscratch = reg_to_register_object($scratch$$reg);
2602 assert(Rdividend != Rscratch, "");
2604 __ sra(Rdividend, 0, Rdividend);
2605 __ sdivx(Rdividend, divisor, Rscratch);
2606 __ mulx(Rscratch, divisor, Rscratch);
2607 __ sub(Rdividend, Rscratch, Rresult);
2608 %}
2610 enc_class fabss (sflt_reg dst, sflt_reg src) %{
2611 MacroAssembler _masm(&cbuf);
2613 FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg);
2614 FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg);
2616 __ fabs(FloatRegisterImpl::S, Fsrc, Fdst);
2617 %}
2619 enc_class fabsd (dflt_reg dst, dflt_reg src) %{
2620 MacroAssembler _masm(&cbuf);
2622 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2623 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2625 __ fabs(FloatRegisterImpl::D, Fsrc, Fdst);
2626 %}
2628 enc_class fnegd (dflt_reg dst, dflt_reg src) %{
2629 MacroAssembler _masm(&cbuf);
2631 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2632 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2634 __ fneg(FloatRegisterImpl::D, Fsrc, Fdst);
2635 %}
2637 enc_class fsqrts (sflt_reg dst, sflt_reg src) %{
2638 MacroAssembler _masm(&cbuf);
2640 FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg);
2641 FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg);
2643 __ fsqrt(FloatRegisterImpl::S, Fsrc, Fdst);
2644 %}
2646 enc_class fsqrtd (dflt_reg dst, dflt_reg src) %{
2647 MacroAssembler _masm(&cbuf);
2649 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2650 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2652 __ fsqrt(FloatRegisterImpl::D, Fsrc, Fdst);
2653 %}
2655 enc_class fmovs (dflt_reg dst, dflt_reg src) %{
2656 MacroAssembler _masm(&cbuf);
2658 FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg);
2659 FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg);
2661 __ fmov(FloatRegisterImpl::S, Fsrc, Fdst);
2662 %}
2664 enc_class fmovd (dflt_reg dst, dflt_reg src) %{
2665 MacroAssembler _masm(&cbuf);
2667 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2668 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2670 __ fmov(FloatRegisterImpl::D, Fsrc, Fdst);
2671 %}
2673 enc_class Fast_Lock(iRegP oop, iRegP box, o7RegP scratch, iRegP scratch2) %{
2674 MacroAssembler _masm(&cbuf);
2676 Register Roop = reg_to_register_object($oop$$reg);
2677 Register Rbox = reg_to_register_object($box$$reg);
2678 Register Rscratch = reg_to_register_object($scratch$$reg);
2679 Register Rmark = reg_to_register_object($scratch2$$reg);
2681 assert(Roop != Rscratch, "");
2682 assert(Roop != Rmark, "");
2683 assert(Rbox != Rscratch, "");
2684 assert(Rbox != Rmark, "");
2686 __ compiler_lock_object(Roop, Rmark, Rbox, Rscratch, _counters);
2687 %}
2689 enc_class Fast_Unlock(iRegP oop, iRegP box, o7RegP scratch, iRegP scratch2) %{
2690 MacroAssembler _masm(&cbuf);
2692 Register Roop = reg_to_register_object($oop$$reg);
2693 Register Rbox = reg_to_register_object($box$$reg);
2694 Register Rscratch = reg_to_register_object($scratch$$reg);
2695 Register Rmark = reg_to_register_object($scratch2$$reg);
2697 assert(Roop != Rscratch, "");
2698 assert(Roop != Rmark, "");
2699 assert(Rbox != Rscratch, "");
2700 assert(Rbox != Rmark, "");
2702 __ compiler_unlock_object(Roop, Rmark, Rbox, Rscratch);
2703 %}
2705 enc_class enc_cas( iRegP mem, iRegP old, iRegP new ) %{
2706 MacroAssembler _masm(&cbuf);
2707 Register Rmem = reg_to_register_object($mem$$reg);
2708 Register Rold = reg_to_register_object($old$$reg);
2709 Register Rnew = reg_to_register_object($new$$reg);
2711 // casx_under_lock picks 1 of 3 encodings:
2712 // For 32-bit pointers you get a 32-bit CAS
2713 // For 64-bit pointers you get a 64-bit CASX
2714 __ casx_under_lock(Rmem, Rold, Rnew, // Swap(*Rmem,Rnew) if *Rmem == Rold
2715 (address) StubRoutines::Sparc::atomic_memory_operation_lock_addr());
2716 __ cmp( Rold, Rnew );
2717 %}
2719 enc_class enc_casx( iRegP mem, iRegL old, iRegL new) %{
2720 Register Rmem = reg_to_register_object($mem$$reg);
2721 Register Rold = reg_to_register_object($old$$reg);
2722 Register Rnew = reg_to_register_object($new$$reg);
2724 MacroAssembler _masm(&cbuf);
2725 __ mov(Rnew, O7);
2726 __ casx(Rmem, Rold, O7);
2727 __ cmp( Rold, O7 );
2728 %}
2730 // raw int cas, used for compareAndSwap
2731 enc_class enc_casi( iRegP mem, iRegL old, iRegL new) %{
2732 Register Rmem = reg_to_register_object($mem$$reg);
2733 Register Rold = reg_to_register_object($old$$reg);
2734 Register Rnew = reg_to_register_object($new$$reg);
2736 MacroAssembler _masm(&cbuf);
2737 __ mov(Rnew, O7);
2738 __ cas(Rmem, Rold, O7);
2739 __ cmp( Rold, O7 );
2740 %}
2742 enc_class enc_lflags_ne_to_boolean( iRegI res ) %{
2743 Register Rres = reg_to_register_object($res$$reg);
2745 MacroAssembler _masm(&cbuf);
2746 __ mov(1, Rres);
2747 __ movcc( Assembler::notEqual, false, Assembler::xcc, G0, Rres );
2748 %}
2750 enc_class enc_iflags_ne_to_boolean( iRegI res ) %{
2751 Register Rres = reg_to_register_object($res$$reg);
2753 MacroAssembler _masm(&cbuf);
2754 __ mov(1, Rres);
2755 __ movcc( Assembler::notEqual, false, Assembler::icc, G0, Rres );
2756 %}
2758 enc_class floating_cmp ( iRegP dst, regF src1, regF src2 ) %{
2759 MacroAssembler _masm(&cbuf);
2760 Register Rdst = reg_to_register_object($dst$$reg);
2761 FloatRegister Fsrc1 = $primary ? reg_to_SingleFloatRegister_object($src1$$reg)
2762 : reg_to_DoubleFloatRegister_object($src1$$reg);
2763 FloatRegister Fsrc2 = $primary ? reg_to_SingleFloatRegister_object($src2$$reg)
2764 : reg_to_DoubleFloatRegister_object($src2$$reg);
2766 // Convert condition code fcc0 into -1,0,1; unordered reports less-than (-1)
2767 __ float_cmp( $primary, -1, Fsrc1, Fsrc2, Rdst);
2768 %}
2770 enc_class LdImmL (immL src, iRegL dst, o7RegL tmp) %{ // Load Immediate
2771 MacroAssembler _masm(&cbuf);
2772 Register dest = reg_to_register_object($dst$$reg);
2773 Register temp = reg_to_register_object($tmp$$reg);
2774 __ set64( $src$$constant, dest, temp );
2775 %}
2777 enc_class LdImmF(immF src, regF dst, o7RegP tmp) %{ // Load Immediate
2778 address float_address = MacroAssembler(&cbuf).float_constant($src$$constant);
2779 RelocationHolder rspec = internal_word_Relocation::spec(float_address);
2780 #ifdef _LP64
2781 Register tmp_reg = reg_to_register_object($tmp$$reg);
2782 cbuf.relocate(cbuf.code_end(), rspec, 0);
2783 emit_ptr(cbuf, (intptr_t)float_address, tmp_reg, /*ForceRelocatable=*/ true);
2784 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::ldf_op3, $tmp$$reg, 0 );
2785 #else // _LP64
2786 uint *code;
2787 int tmp_reg = $tmp$$reg;
2789 cbuf.relocate(cbuf.code_end(), rspec, 0);
2790 emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) float_address );
2792 cbuf.relocate(cbuf.code_end(), rspec, 0);
2793 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::ldf_op3, tmp_reg, (intptr_t) float_address );
2794 #endif // _LP64
2795 %}
2797 enc_class LdImmD(immD src, regD dst, o7RegP tmp) %{ // Load Immediate
2798 address double_address = MacroAssembler(&cbuf).double_constant($src$$constant);
2799 RelocationHolder rspec = internal_word_Relocation::spec(double_address);
2800 #ifdef _LP64
2801 Register tmp_reg = reg_to_register_object($tmp$$reg);
2802 cbuf.relocate(cbuf.code_end(), rspec, 0);
2803 emit_ptr(cbuf, (intptr_t)double_address, tmp_reg, /*ForceRelocatable=*/ true);
2804 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, $tmp$$reg, 0 );
2805 #else // _LP64
2806 uint *code;
2807 int tmp_reg = $tmp$$reg;
2809 cbuf.relocate(cbuf.code_end(), rspec, 0);
2810 emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) double_address );
2812 cbuf.relocate(cbuf.code_end(), rspec, 0);
2813 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, tmp_reg, (intptr_t) double_address );
2814 #endif // _LP64
2815 %}
2817 enc_class LdReplImmI(immI src, regD dst, o7RegP tmp, int count, int width) %{
2818 // Load a constant replicated "count" times with width "width"
2819 int bit_width = $width$$constant * 8;
2820 jlong elt_val = $src$$constant;
2821 elt_val &= (((jlong)1) << bit_width) - 1; // mask off sign bits
2822 jlong val = elt_val;
2823 for (int i = 0; i < $count$$constant - 1; i++) {
2824 val <<= bit_width;
2825 val |= elt_val;
2826 }
2827 jdouble dval = *(jdouble*)&val; // coerce to double type
2828 address double_address = MacroAssembler(&cbuf).double_constant(dval);
2829 RelocationHolder rspec = internal_word_Relocation::spec(double_address);
2830 #ifdef _LP64
2831 Register tmp_reg = reg_to_register_object($tmp$$reg);
2832 cbuf.relocate(cbuf.code_end(), rspec, 0);
2833 emit_ptr(cbuf, (intptr_t)double_address, tmp_reg, /*ForceRelocatable=*/ true);
2834 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, $tmp$$reg, 0 );
2835 #else // _LP64
2836 uint *code;
2837 int tmp_reg = $tmp$$reg;
2839 cbuf.relocate(cbuf.code_end(), rspec, 0);
2840 emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) double_address );
2842 cbuf.relocate(cbuf.code_end(), rspec, 0);
2843 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, tmp_reg, (intptr_t) double_address );
2844 #endif // _LP64
2845 %}
2848 enc_class ShouldNotEncodeThis ( ) %{
2849 ShouldNotCallThis();
2850 %}
2852 // Compiler ensures base is doubleword aligned and cnt is count of doublewords
2853 enc_class enc_Clear_Array(iRegX cnt, iRegP base, iRegX temp) %{
2854 MacroAssembler _masm(&cbuf);
2855 Register nof_bytes_arg = reg_to_register_object($cnt$$reg);
2856 Register nof_bytes_tmp = reg_to_register_object($temp$$reg);
2857 Register base_pointer_arg = reg_to_register_object($base$$reg);
2859 Label loop;
2860 __ mov(nof_bytes_arg, nof_bytes_tmp);
2862 // Loop and clear, walking backwards through the array.
2863 // nof_bytes_tmp (if >0) is always the number of bytes to zero
2864 __ bind(loop);
2865 __ deccc(nof_bytes_tmp, 8);
2866 __ br(Assembler::greaterEqual, true, Assembler::pt, loop);
2867 __ delayed()-> stx(G0, base_pointer_arg, nof_bytes_tmp);
2868 // %%%% this mini-loop must not cross a cache boundary!
2869 %}
2872 enc_class enc_String_Compare(o0RegP str1, o1RegP str2, g3RegP tmp1, g4RegP tmp2, notemp_iRegI result) %{
2873 Label Ldone, Lloop;
2874 MacroAssembler _masm(&cbuf);
2876 Register str1_reg = reg_to_register_object($str1$$reg);
2877 Register str2_reg = reg_to_register_object($str2$$reg);
2878 Register tmp1_reg = reg_to_register_object($tmp1$$reg);
2879 Register tmp2_reg = reg_to_register_object($tmp2$$reg);
2880 Register result_reg = reg_to_register_object($result$$reg);
2882 // Get the first character position in both strings
2883 // [8] char array, [12] offset, [16] count
2884 int value_offset = java_lang_String:: value_offset_in_bytes();
2885 int offset_offset = java_lang_String::offset_offset_in_bytes();
2886 int count_offset = java_lang_String:: count_offset_in_bytes();
2888 // load str1 (jchar*) base address into tmp1_reg
2889 __ load_heap_oop(Address(str1_reg, 0, value_offset), tmp1_reg);
2890 __ ld(Address(str1_reg, 0, offset_offset), result_reg);
2891 __ add(tmp1_reg, arrayOopDesc::base_offset_in_bytes(T_CHAR), tmp1_reg);
2892 __ ld(Address(str1_reg, 0, count_offset), str1_reg); // hoisted
2893 __ sll(result_reg, exact_log2(sizeof(jchar)), result_reg);
2894 __ load_heap_oop(Address(str2_reg, 0, value_offset), tmp2_reg); // hoisted
2895 __ add(result_reg, tmp1_reg, tmp1_reg);
2897 // load str2 (jchar*) base address into tmp2_reg
2898 // __ ld_ptr(Address(str2_reg, 0, value_offset), tmp2_reg); // hoisted
2899 __ ld(Address(str2_reg, 0, offset_offset), result_reg);
2900 __ add(tmp2_reg, arrayOopDesc::base_offset_in_bytes(T_CHAR), tmp2_reg);
2901 __ ld(Address(str2_reg, 0, count_offset), str2_reg); // hoisted
2902 __ sll(result_reg, exact_log2(sizeof(jchar)), result_reg);
2903 __ subcc(str1_reg, str2_reg, O7); // hoisted
2904 __ add(result_reg, tmp2_reg, tmp2_reg);
2906 // Compute the minimum of the string lengths(str1_reg) and the
2907 // difference of the string lengths (stack)
2909 // discard string base pointers, after loading up the lengths
2910 // __ ld(Address(str1_reg, 0, count_offset), str1_reg); // hoisted
2911 // __ ld(Address(str2_reg, 0, count_offset), str2_reg); // hoisted
2913 // See if the lengths are different, and calculate min in str1_reg.
2914 // Stash diff in O7 in case we need it for a tie-breaker.
2915 Label Lskip;
2916 // __ subcc(str1_reg, str2_reg, O7); // hoisted
2917 __ sll(str1_reg, exact_log2(sizeof(jchar)), str1_reg); // scale the limit
2918 __ br(Assembler::greater, true, Assembler::pt, Lskip);
2919 // str2 is shorter, so use its count:
2920 __ delayed()->sll(str2_reg, exact_log2(sizeof(jchar)), str1_reg); // scale the limit
2921 __ bind(Lskip);
2923 // reallocate str1_reg, str2_reg, result_reg
2924 // Note: limit_reg holds the string length pre-scaled by 2
2925 Register limit_reg = str1_reg;
2926 Register chr2_reg = str2_reg;
2927 Register chr1_reg = result_reg;
2928 // tmp{12} are the base pointers
2930 // Is the minimum length zero?
2931 __ cmp(limit_reg, (int)(0 * sizeof(jchar))); // use cast to resolve overloading ambiguity
2932 __ br(Assembler::equal, true, Assembler::pn, Ldone);
2933 __ delayed()->mov(O7, result_reg); // result is difference in lengths
2935 // Load first characters
2936 __ lduh(tmp1_reg, 0, chr1_reg);
2937 __ lduh(tmp2_reg, 0, chr2_reg);
2939 // Compare first characters
2940 __ subcc(chr1_reg, chr2_reg, chr1_reg);
2941 __ br(Assembler::notZero, false, Assembler::pt, Ldone);
2942 assert(chr1_reg == result_reg, "result must be pre-placed");
2943 __ delayed()->nop();
2945 {
2946 // Check after comparing first character to see if strings are equivalent
2947 Label LSkip2;
2948 // Check if the strings start at same location
2949 __ cmp(tmp1_reg, tmp2_reg);
2950 __ brx(Assembler::notEqual, true, Assembler::pt, LSkip2);
2951 __ delayed()->nop();
2953 // Check if the length difference is zero (in O7)
2954 __ cmp(G0, O7);
2955 __ br(Assembler::equal, true, Assembler::pn, Ldone);
2956 __ delayed()->mov(G0, result_reg); // result is zero
2958 // Strings might not be equal
2959 __ bind(LSkip2);
2960 }
2962 __ subcc(limit_reg, 1 * sizeof(jchar), chr1_reg);
2963 __ br(Assembler::equal, true, Assembler::pn, Ldone);
2964 __ delayed()->mov(O7, result_reg); // result is difference in lengths
2966 // Shift tmp1_reg and tmp2_reg to the end of the arrays, negate limit
2967 __ add(tmp1_reg, limit_reg, tmp1_reg);
2968 __ add(tmp2_reg, limit_reg, tmp2_reg);
2969 __ neg(chr1_reg, limit_reg); // limit = -(limit-2)
2971 // Compare the rest of the characters
2972 __ lduh(tmp1_reg, limit_reg, chr1_reg);
2973 __ bind(Lloop);
2974 // __ lduh(tmp1_reg, limit_reg, chr1_reg); // hoisted
2975 __ lduh(tmp2_reg, limit_reg, chr2_reg);
2976 __ subcc(chr1_reg, chr2_reg, chr1_reg);
2977 __ br(Assembler::notZero, false, Assembler::pt, Ldone);
2978 assert(chr1_reg == result_reg, "result must be pre-placed");
2979 __ delayed()->inccc(limit_reg, sizeof(jchar));
2980 // annul LDUH if branch is not taken to prevent access past end of string
2981 __ br(Assembler::notZero, true, Assembler::pt, Lloop);
2982 __ delayed()->lduh(tmp1_reg, limit_reg, chr1_reg); // hoisted
2984 // If strings are equal up to min length, return the length difference.
2985 __ mov(O7, result_reg);
2987 // Otherwise, return the difference between the first mismatched chars.
2988 __ bind(Ldone);
2989 %}
2991 enc_class enc_rethrow() %{
2992 cbuf.set_inst_mark();
2993 Register temp_reg = G3;
2994 Address rethrow_stub(temp_reg, OptoRuntime::rethrow_stub());
2995 assert(temp_reg != reg_to_register_object(R_I0_num), "temp must not break oop_reg");
2996 MacroAssembler _masm(&cbuf);
2997 #ifdef ASSERT
2998 __ save_frame(0);
2999 Address last_rethrow_addr(L1, (address)&last_rethrow);
3000 __ sethi(last_rethrow_addr);
3001 __ get_pc(L2);
3002 __ inc(L2, 3 * BytesPerInstWord); // skip this & 2 more insns to point at jump_to
3003 __ st_ptr(L2, last_rethrow_addr);
3004 __ restore();
3005 #endif
3006 __ JUMP(rethrow_stub, 0); // sethi;jmp
3007 __ delayed()->nop();
3008 %}
3010 enc_class emit_mem_nop() %{
3011 // Generates the instruction LDUXA [o6,g0],#0x82,g0
3012 unsigned int *code = (unsigned int*)cbuf.code_end();
3013 *code = (unsigned int)0xc0839040;
3014 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
3015 %}
3017 enc_class emit_fadd_nop() %{
3018 // Generates the instruction FMOVS f31,f31
3019 unsigned int *code = (unsigned int*)cbuf.code_end();
3020 *code = (unsigned int)0xbfa0003f;
3021 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
3022 %}
3024 enc_class emit_br_nop() %{
3025 // Generates the instruction BPN,PN .
3026 unsigned int *code = (unsigned int*)cbuf.code_end();
3027 *code = (unsigned int)0x00400000;
3028 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
3029 %}
3031 enc_class enc_membar_acquire %{
3032 MacroAssembler _masm(&cbuf);
3033 __ membar( Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::LoadLoad) );
3034 %}
3036 enc_class enc_membar_release %{
3037 MacroAssembler _masm(&cbuf);
3038 __ membar( Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore) );
3039 %}
3041 enc_class enc_membar_volatile %{
3042 MacroAssembler _masm(&cbuf);
3043 __ membar( Assembler::Membar_mask_bits(Assembler::StoreLoad) );
3044 %}
3046 enc_class enc_repl8b( iRegI src, iRegL dst ) %{
3047 MacroAssembler _masm(&cbuf);
3048 Register src_reg = reg_to_register_object($src$$reg);
3049 Register dst_reg = reg_to_register_object($dst$$reg);
3050 __ sllx(src_reg, 56, dst_reg);
3051 __ srlx(dst_reg, 8, O7);
3052 __ or3 (dst_reg, O7, dst_reg);
3053 __ srlx(dst_reg, 16, O7);
3054 __ or3 (dst_reg, O7, dst_reg);
3055 __ srlx(dst_reg, 32, O7);
3056 __ or3 (dst_reg, O7, dst_reg);
3057 %}
3059 enc_class enc_repl4b( iRegI src, iRegL dst ) %{
3060 MacroAssembler _masm(&cbuf);
3061 Register src_reg = reg_to_register_object($src$$reg);
3062 Register dst_reg = reg_to_register_object($dst$$reg);
3063 __ sll(src_reg, 24, dst_reg);
3064 __ srl(dst_reg, 8, O7);
3065 __ or3(dst_reg, O7, dst_reg);
3066 __ srl(dst_reg, 16, O7);
3067 __ or3(dst_reg, O7, dst_reg);
3068 %}
3070 enc_class enc_repl4s( iRegI src, iRegL dst ) %{
3071 MacroAssembler _masm(&cbuf);
3072 Register src_reg = reg_to_register_object($src$$reg);
3073 Register dst_reg = reg_to_register_object($dst$$reg);
3074 __ sllx(src_reg, 48, dst_reg);
3075 __ srlx(dst_reg, 16, O7);
3076 __ or3 (dst_reg, O7, dst_reg);
3077 __ srlx(dst_reg, 32, O7);
3078 __ or3 (dst_reg, O7, dst_reg);
3079 %}
3081 enc_class enc_repl2i( iRegI src, iRegL dst ) %{
3082 MacroAssembler _masm(&cbuf);
3083 Register src_reg = reg_to_register_object($src$$reg);
3084 Register dst_reg = reg_to_register_object($dst$$reg);
3085 __ sllx(src_reg, 32, dst_reg);
3086 __ srlx(dst_reg, 32, O7);
3087 __ or3 (dst_reg, O7, dst_reg);
3088 %}
3090 %}
3092 //----------FRAME--------------------------------------------------------------
3093 // Definition of frame structure and management information.
3094 //
3095 // S T A C K L A Y O U T Allocators stack-slot number
3096 // | (to get allocators register number
3097 // G Owned by | | v add VMRegImpl::stack0)
3098 // r CALLER | |
3099 // o | +--------+ pad to even-align allocators stack-slot
3100 // w V | pad0 | numbers; owned by CALLER
3101 // t -----------+--------+----> Matcher::_in_arg_limit, unaligned
3102 // h ^ | in | 5
3103 // | | args | 4 Holes in incoming args owned by SELF
3104 // | | | | 3
3105 // | | +--------+
3106 // V | | old out| Empty on Intel, window on Sparc
3107 // | old |preserve| Must be even aligned.
3108 // | SP-+--------+----> Matcher::_old_SP, 8 (or 16 in LP64)-byte aligned
3109 // | | in | 3 area for Intel ret address
3110 // Owned by |preserve| Empty on Sparc.
3111 // SELF +--------+
3112 // | | pad2 | 2 pad to align old SP
3113 // | +--------+ 1
3114 // | | locks | 0
3115 // | +--------+----> VMRegImpl::stack0, 8 (or 16 in LP64)-byte aligned
3116 // | | pad1 | 11 pad to align new SP
3117 // | +--------+
3118 // | | | 10
3119 // | | spills | 9 spills
3120 // V | | 8 (pad0 slot for callee)
3121 // -----------+--------+----> Matcher::_out_arg_limit, unaligned
3122 // ^ | out | 7
3123 // | | args | 6 Holes in outgoing args owned by CALLEE
3124 // Owned by +--------+
3125 // CALLEE | new out| 6 Empty on Intel, window on Sparc
3126 // | new |preserve| Must be even-aligned.
3127 // | SP-+--------+----> Matcher::_new_SP, even aligned
3128 // | | |
3129 //
3130 // Note 1: Only region 8-11 is determined by the allocator. Region 0-5 is
3131 // known from SELF's arguments and the Java calling convention.
3132 // Region 6-7 is determined per call site.
3133 // Note 2: If the calling convention leaves holes in the incoming argument
3134 // area, those holes are owned by SELF. Holes in the outgoing area
3135 // are owned by the CALLEE. Holes should not be nessecary in the
3136 // incoming area, as the Java calling convention is completely under
3137 // the control of the AD file. Doubles can be sorted and packed to
3138 // avoid holes. Holes in the outgoing arguments may be nessecary for
3139 // varargs C calling conventions.
3140 // Note 3: Region 0-3 is even aligned, with pad2 as needed. Region 3-5 is
3141 // even aligned with pad0 as needed.
3142 // Region 6 is even aligned. Region 6-7 is NOT even aligned;
3143 // region 6-11 is even aligned; it may be padded out more so that
3144 // the region from SP to FP meets the minimum stack alignment.
3146 frame %{
3147 // What direction does stack grow in (assumed to be same for native & Java)
3148 stack_direction(TOWARDS_LOW);
3150 // These two registers define part of the calling convention
3151 // between compiled code and the interpreter.
3152 inline_cache_reg(R_G5); // Inline Cache Register or methodOop for I2C
3153 interpreter_method_oop_reg(R_G5); // Method Oop Register when calling interpreter
3155 // Optional: name the operand used by cisc-spilling to access [stack_pointer + offset]
3156 cisc_spilling_operand_name(indOffset);
3158 // Number of stack slots consumed by a Monitor enter
3159 #ifdef _LP64
3160 sync_stack_slots(2);
3161 #else
3162 sync_stack_slots(1);
3163 #endif
3165 // Compiled code's Frame Pointer
3166 frame_pointer(R_SP);
3168 // Stack alignment requirement
3169 stack_alignment(StackAlignmentInBytes);
3170 // LP64: Alignment size in bytes (128-bit -> 16 bytes)
3171 // !LP64: Alignment size in bytes (64-bit -> 8 bytes)
3173 // Number of stack slots between incoming argument block and the start of
3174 // a new frame. The PROLOG must add this many slots to the stack. The
3175 // EPILOG must remove this many slots.
3176 in_preserve_stack_slots(0);
3178 // Number of outgoing stack slots killed above the out_preserve_stack_slots
3179 // for calls to C. Supports the var-args backing area for register parms.
3180 // ADLC doesn't support parsing expressions, so I folded the math by hand.
3181 #ifdef _LP64
3182 // (callee_register_argument_save_area_words (6) + callee_aggregate_return_pointer_words (0)) * 2-stack-slots-per-word
3183 varargs_C_out_slots_killed(12);
3184 #else
3185 // (callee_register_argument_save_area_words (6) + callee_aggregate_return_pointer_words (1)) * 1-stack-slots-per-word
3186 varargs_C_out_slots_killed( 7);
3187 #endif
3189 // The after-PROLOG location of the return address. Location of
3190 // return address specifies a type (REG or STACK) and a number
3191 // representing the register number (i.e. - use a register name) or
3192 // stack slot.
3193 return_addr(REG R_I7); // Ret Addr is in register I7
3195 // Body of function which returns an OptoRegs array locating
3196 // arguments either in registers or in stack slots for calling
3197 // java
3198 calling_convention %{
3199 (void) SharedRuntime::java_calling_convention(sig_bt, regs, length, is_outgoing);
3201 %}
3203 // Body of function which returns an OptoRegs array locating
3204 // arguments either in registers or in stack slots for callin
3205 // C.
3206 c_calling_convention %{
3207 // This is obviously always outgoing
3208 (void) SharedRuntime::c_calling_convention(sig_bt, regs, length);
3209 %}
3211 // Location of native (C/C++) and interpreter return values. This is specified to
3212 // be the same as Java. In the 32-bit VM, long values are actually returned from
3213 // native calls in O0:O1 and returned to the interpreter in I0:I1. The copying
3214 // to and from the register pairs is done by the appropriate call and epilog
3215 // opcodes. This simplifies the register allocator.
3216 c_return_value %{
3217 assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" );
3218 #ifdef _LP64
3219 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_O0_num };
3220 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_O0H_num, OptoReg::Bad, R_F1_num, R_O0H_num};
3221 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_I0_num };
3222 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_I0H_num, OptoReg::Bad, R_F1_num, R_I0H_num};
3223 #else // !_LP64
3224 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_G1_num };
3225 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num };
3226 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_G1_num };
3227 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num };
3228 #endif
3229 return OptoRegPair( (is_outgoing?hi_out:hi_in)[ideal_reg],
3230 (is_outgoing?lo_out:lo_in)[ideal_reg] );
3231 %}
3233 // Location of compiled Java return values. Same as C
3234 return_value %{
3235 assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" );
3236 #ifdef _LP64
3237 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_O0_num };
3238 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_O0H_num, OptoReg::Bad, R_F1_num, R_O0H_num};
3239 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_I0_num };
3240 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_I0H_num, OptoReg::Bad, R_F1_num, R_I0H_num};
3241 #else // !_LP64
3242 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_G1_num };
3243 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num};
3244 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_G1_num };
3245 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num};
3246 #endif
3247 return OptoRegPair( (is_outgoing?hi_out:hi_in)[ideal_reg],
3248 (is_outgoing?lo_out:lo_in)[ideal_reg] );
3249 %}
3251 %}
3254 //----------ATTRIBUTES---------------------------------------------------------
3255 //----------Operand Attributes-------------------------------------------------
3256 op_attrib op_cost(1); // Required cost attribute
3258 //----------Instruction Attributes---------------------------------------------
3259 ins_attrib ins_cost(DEFAULT_COST); // Required cost attribute
3260 ins_attrib ins_size(32); // Required size attribute (in bits)
3261 ins_attrib ins_pc_relative(0); // Required PC Relative flag
3262 ins_attrib ins_short_branch(0); // Required flag: is this instruction a
3263 // non-matching short branch variant of some
3264 // long branch?
3266 //----------OPERANDS-----------------------------------------------------------
3267 // Operand definitions must precede instruction definitions for correct parsing
3268 // in the ADLC because operands constitute user defined types which are used in
3269 // instruction definitions.
3271 //----------Simple Operands----------------------------------------------------
3272 // Immediate Operands
3273 // Integer Immediate: 32-bit
3274 operand immI() %{
3275 match(ConI);
3277 op_cost(0);
3278 // formats are generated automatically for constants and base registers
3279 format %{ %}
3280 interface(CONST_INTER);
3281 %}
3283 // Integer Immediate: 13-bit
3284 operand immI13() %{
3285 predicate(Assembler::is_simm13(n->get_int()));
3286 match(ConI);
3287 op_cost(0);
3289 format %{ %}
3290 interface(CONST_INTER);
3291 %}
3293 // Unsigned (positive) Integer Immediate: 13-bit
3294 operand immU13() %{
3295 predicate((0 <= n->get_int()) && Assembler::is_simm13(n->get_int()));
3296 match(ConI);
3297 op_cost(0);
3299 format %{ %}
3300 interface(CONST_INTER);
3301 %}
3303 // Integer Immediate: 6-bit
3304 operand immU6() %{
3305 predicate(n->get_int() >= 0 && n->get_int() <= 63);
3306 match(ConI);
3307 op_cost(0);
3308 format %{ %}
3309 interface(CONST_INTER);
3310 %}
3312 // Integer Immediate: 11-bit
3313 operand immI11() %{
3314 predicate(Assembler::is_simm(n->get_int(),11));
3315 match(ConI);
3316 op_cost(0);
3317 format %{ %}
3318 interface(CONST_INTER);
3319 %}
3321 // Integer Immediate: 0-bit
3322 operand immI0() %{
3323 predicate(n->get_int() == 0);
3324 match(ConI);
3325 op_cost(0);
3327 format %{ %}
3328 interface(CONST_INTER);
3329 %}
3331 // Integer Immediate: the value 10
3332 operand immI10() %{
3333 predicate(n->get_int() == 10);
3334 match(ConI);
3335 op_cost(0);
3337 format %{ %}
3338 interface(CONST_INTER);
3339 %}
3341 // Integer Immediate: the values 0-31
3342 operand immU5() %{
3343 predicate(n->get_int() >= 0 && n->get_int() <= 31);
3344 match(ConI);
3345 op_cost(0);
3347 format %{ %}
3348 interface(CONST_INTER);
3349 %}
3351 // Integer Immediate: the values 1-31
3352 operand immI_1_31() %{
3353 predicate(n->get_int() >= 1 && n->get_int() <= 31);
3354 match(ConI);
3355 op_cost(0);
3357 format %{ %}
3358 interface(CONST_INTER);
3359 %}
3361 // Integer Immediate: the values 32-63
3362 operand immI_32_63() %{
3363 predicate(n->get_int() >= 32 && n->get_int() <= 63);
3364 match(ConI);
3365 op_cost(0);
3367 format %{ %}
3368 interface(CONST_INTER);
3369 %}
3371 // Integer Immediate: the value 255
3372 operand immI_255() %{
3373 predicate( n->get_int() == 255 );
3374 match(ConI);
3375 op_cost(0);
3377 format %{ %}
3378 interface(CONST_INTER);
3379 %}
3381 // Long Immediate: the value FF
3382 operand immL_FF() %{
3383 predicate( n->get_long() == 0xFFL );
3384 match(ConL);
3385 op_cost(0);
3387 format %{ %}
3388 interface(CONST_INTER);
3389 %}
3391 // Long Immediate: the value FFFF
3392 operand immL_FFFF() %{
3393 predicate( n->get_long() == 0xFFFFL );
3394 match(ConL);
3395 op_cost(0);
3397 format %{ %}
3398 interface(CONST_INTER);
3399 %}
3401 // Pointer Immediate: 32 or 64-bit
3402 operand immP() %{
3403 match(ConP);
3405 op_cost(5);
3406 // formats are generated automatically for constants and base registers
3407 format %{ %}
3408 interface(CONST_INTER);
3409 %}
3411 operand immP13() %{
3412 predicate((-4096 < n->get_ptr()) && (n->get_ptr() <= 4095));
3413 match(ConP);
3414 op_cost(0);
3416 format %{ %}
3417 interface(CONST_INTER);
3418 %}
3420 operand immP0() %{
3421 predicate(n->get_ptr() == 0);
3422 match(ConP);
3423 op_cost(0);
3425 format %{ %}
3426 interface(CONST_INTER);
3427 %}
3429 operand immP_poll() %{
3430 predicate(n->get_ptr() != 0 && n->get_ptr() == (intptr_t)os::get_polling_page());
3431 match(ConP);
3433 // formats are generated automatically for constants and base registers
3434 format %{ %}
3435 interface(CONST_INTER);
3436 %}
3438 // Pointer Immediate
3439 operand immN()
3440 %{
3441 match(ConN);
3443 op_cost(10);
3444 format %{ %}
3445 interface(CONST_INTER);
3446 %}
3448 // NULL Pointer Immediate
3449 operand immN0()
3450 %{
3451 predicate(n->get_narrowcon() == 0);
3452 match(ConN);
3454 op_cost(0);
3455 format %{ %}
3456 interface(CONST_INTER);
3457 %}
3459 operand immL() %{
3460 match(ConL);
3461 op_cost(40);
3462 // formats are generated automatically for constants and base registers
3463 format %{ %}
3464 interface(CONST_INTER);
3465 %}
3467 operand immL0() %{
3468 predicate(n->get_long() == 0L);
3469 match(ConL);
3470 op_cost(0);
3471 // formats are generated automatically for constants and base registers
3472 format %{ %}
3473 interface(CONST_INTER);
3474 %}
3476 // Long Immediate: 13-bit
3477 operand immL13() %{
3478 predicate((-4096L < n->get_long()) && (n->get_long() <= 4095L));
3479 match(ConL);
3480 op_cost(0);
3482 format %{ %}
3483 interface(CONST_INTER);
3484 %}
3486 // Long Immediate: low 32-bit mask
3487 operand immL_32bits() %{
3488 predicate(n->get_long() == 0xFFFFFFFFL);
3489 match(ConL);
3490 op_cost(0);
3492 format %{ %}
3493 interface(CONST_INTER);
3494 %}
3496 // Double Immediate
3497 operand immD() %{
3498 match(ConD);
3500 op_cost(40);
3501 format %{ %}
3502 interface(CONST_INTER);
3503 %}
3505 operand immD0() %{
3506 #ifdef _LP64
3507 // on 64-bit architectures this comparision is faster
3508 predicate(jlong_cast(n->getd()) == 0);
3509 #else
3510 predicate((n->getd() == 0) && (fpclass(n->getd()) == FP_PZERO));
3511 #endif
3512 match(ConD);
3514 op_cost(0);
3515 format %{ %}
3516 interface(CONST_INTER);
3517 %}
3519 // Float Immediate
3520 operand immF() %{
3521 match(ConF);
3523 op_cost(20);
3524 format %{ %}
3525 interface(CONST_INTER);
3526 %}
3528 // Float Immediate: 0
3529 operand immF0() %{
3530 predicate((n->getf() == 0) && (fpclass(n->getf()) == FP_PZERO));
3531 match(ConF);
3533 op_cost(0);
3534 format %{ %}
3535 interface(CONST_INTER);
3536 %}
3538 // Integer Register Operands
3539 // Integer Register
3540 operand iRegI() %{
3541 constraint(ALLOC_IN_RC(int_reg));
3542 match(RegI);
3544 match(notemp_iRegI);
3545 match(g1RegI);
3546 match(o0RegI);
3547 match(iRegIsafe);
3549 format %{ %}
3550 interface(REG_INTER);
3551 %}
3553 operand notemp_iRegI() %{
3554 constraint(ALLOC_IN_RC(notemp_int_reg));
3555 match(RegI);
3557 match(o0RegI);
3559 format %{ %}
3560 interface(REG_INTER);
3561 %}
3563 operand o0RegI() %{
3564 constraint(ALLOC_IN_RC(o0_regI));
3565 match(iRegI);
3567 format %{ %}
3568 interface(REG_INTER);
3569 %}
3571 // Pointer Register
3572 operand iRegP() %{
3573 constraint(ALLOC_IN_RC(ptr_reg));
3574 match(RegP);
3576 match(lock_ptr_RegP);
3577 match(g1RegP);
3578 match(g2RegP);
3579 match(g3RegP);
3580 match(g4RegP);
3581 match(i0RegP);
3582 match(o0RegP);
3583 match(o1RegP);
3584 match(l7RegP);
3586 format %{ %}
3587 interface(REG_INTER);
3588 %}
3590 operand sp_ptr_RegP() %{
3591 constraint(ALLOC_IN_RC(sp_ptr_reg));
3592 match(RegP);
3593 match(iRegP);
3595 format %{ %}
3596 interface(REG_INTER);
3597 %}
3599 operand lock_ptr_RegP() %{
3600 constraint(ALLOC_IN_RC(lock_ptr_reg));
3601 match(RegP);
3602 match(i0RegP);
3603 match(o0RegP);
3604 match(o1RegP);
3605 match(l7RegP);
3607 format %{ %}
3608 interface(REG_INTER);
3609 %}
3611 operand g1RegP() %{
3612 constraint(ALLOC_IN_RC(g1_regP));
3613 match(iRegP);
3615 format %{ %}
3616 interface(REG_INTER);
3617 %}
3619 operand g2RegP() %{
3620 constraint(ALLOC_IN_RC(g2_regP));
3621 match(iRegP);
3623 format %{ %}
3624 interface(REG_INTER);
3625 %}
3627 operand g3RegP() %{
3628 constraint(ALLOC_IN_RC(g3_regP));
3629 match(iRegP);
3631 format %{ %}
3632 interface(REG_INTER);
3633 %}
3635 operand g1RegI() %{
3636 constraint(ALLOC_IN_RC(g1_regI));
3637 match(iRegI);
3639 format %{ %}
3640 interface(REG_INTER);
3641 %}
3643 operand g3RegI() %{
3644 constraint(ALLOC_IN_RC(g3_regI));
3645 match(iRegI);
3647 format %{ %}
3648 interface(REG_INTER);
3649 %}
3651 operand g4RegI() %{
3652 constraint(ALLOC_IN_RC(g4_regI));
3653 match(iRegI);
3655 format %{ %}
3656 interface(REG_INTER);
3657 %}
3659 operand g4RegP() %{
3660 constraint(ALLOC_IN_RC(g4_regP));
3661 match(iRegP);
3663 format %{ %}
3664 interface(REG_INTER);
3665 %}
3667 operand i0RegP() %{
3668 constraint(ALLOC_IN_RC(i0_regP));
3669 match(iRegP);
3671 format %{ %}
3672 interface(REG_INTER);
3673 %}
3675 operand o0RegP() %{
3676 constraint(ALLOC_IN_RC(o0_regP));
3677 match(iRegP);
3679 format %{ %}
3680 interface(REG_INTER);
3681 %}
3683 operand o1RegP() %{
3684 constraint(ALLOC_IN_RC(o1_regP));
3685 match(iRegP);
3687 format %{ %}
3688 interface(REG_INTER);
3689 %}
3691 operand o2RegP() %{
3692 constraint(ALLOC_IN_RC(o2_regP));
3693 match(iRegP);
3695 format %{ %}
3696 interface(REG_INTER);
3697 %}
3699 operand o7RegP() %{
3700 constraint(ALLOC_IN_RC(o7_regP));
3701 match(iRegP);
3703 format %{ %}
3704 interface(REG_INTER);
3705 %}
3707 operand l7RegP() %{
3708 constraint(ALLOC_IN_RC(l7_regP));
3709 match(iRegP);
3711 format %{ %}
3712 interface(REG_INTER);
3713 %}
3715 operand o7RegI() %{
3716 constraint(ALLOC_IN_RC(o7_regI));
3717 match(iRegI);
3719 format %{ %}
3720 interface(REG_INTER);
3721 %}
3723 operand iRegN() %{
3724 constraint(ALLOC_IN_RC(int_reg));
3725 match(RegN);
3727 format %{ %}
3728 interface(REG_INTER);
3729 %}
3731 // Long Register
3732 operand iRegL() %{
3733 constraint(ALLOC_IN_RC(long_reg));
3734 match(RegL);
3736 format %{ %}
3737 interface(REG_INTER);
3738 %}
3740 operand o2RegL() %{
3741 constraint(ALLOC_IN_RC(o2_regL));
3742 match(iRegL);
3744 format %{ %}
3745 interface(REG_INTER);
3746 %}
3748 operand o7RegL() %{
3749 constraint(ALLOC_IN_RC(o7_regL));
3750 match(iRegL);
3752 format %{ %}
3753 interface(REG_INTER);
3754 %}
3756 operand g1RegL() %{
3757 constraint(ALLOC_IN_RC(g1_regL));
3758 match(iRegL);
3760 format %{ %}
3761 interface(REG_INTER);
3762 %}
3764 // Int Register safe
3765 // This is 64bit safe
3766 operand iRegIsafe() %{
3767 constraint(ALLOC_IN_RC(long_reg));
3769 match(iRegI);
3771 format %{ %}
3772 interface(REG_INTER);
3773 %}
3775 // Condition Code Flag Register
3776 operand flagsReg() %{
3777 constraint(ALLOC_IN_RC(int_flags));
3778 match(RegFlags);
3780 format %{ "ccr" %} // both ICC and XCC
3781 interface(REG_INTER);
3782 %}
3784 // Condition Code Register, unsigned comparisons.
3785 operand flagsRegU() %{
3786 constraint(ALLOC_IN_RC(int_flags));
3787 match(RegFlags);
3789 format %{ "icc_U" %}
3790 interface(REG_INTER);
3791 %}
3793 // Condition Code Register, pointer comparisons.
3794 operand flagsRegP() %{
3795 constraint(ALLOC_IN_RC(int_flags));
3796 match(RegFlags);
3798 #ifdef _LP64
3799 format %{ "xcc_P" %}
3800 #else
3801 format %{ "icc_P" %}
3802 #endif
3803 interface(REG_INTER);
3804 %}
3806 // Condition Code Register, long comparisons.
3807 operand flagsRegL() %{
3808 constraint(ALLOC_IN_RC(int_flags));
3809 match(RegFlags);
3811 format %{ "xcc_L" %}
3812 interface(REG_INTER);
3813 %}
3815 // Condition Code Register, floating comparisons, unordered same as "less".
3816 operand flagsRegF() %{
3817 constraint(ALLOC_IN_RC(float_flags));
3818 match(RegFlags);
3819 match(flagsRegF0);
3821 format %{ %}
3822 interface(REG_INTER);
3823 %}
3825 operand flagsRegF0() %{
3826 constraint(ALLOC_IN_RC(float_flag0));
3827 match(RegFlags);
3829 format %{ %}
3830 interface(REG_INTER);
3831 %}
3834 // Condition Code Flag Register used by long compare
3835 operand flagsReg_long_LTGE() %{
3836 constraint(ALLOC_IN_RC(int_flags));
3837 match(RegFlags);
3838 format %{ "icc_LTGE" %}
3839 interface(REG_INTER);
3840 %}
3841 operand flagsReg_long_EQNE() %{
3842 constraint(ALLOC_IN_RC(int_flags));
3843 match(RegFlags);
3844 format %{ "icc_EQNE" %}
3845 interface(REG_INTER);
3846 %}
3847 operand flagsReg_long_LEGT() %{
3848 constraint(ALLOC_IN_RC(int_flags));
3849 match(RegFlags);
3850 format %{ "icc_LEGT" %}
3851 interface(REG_INTER);
3852 %}
3855 operand regD() %{
3856 constraint(ALLOC_IN_RC(dflt_reg));
3857 match(RegD);
3859 format %{ %}
3860 interface(REG_INTER);
3861 %}
3863 operand regF() %{
3864 constraint(ALLOC_IN_RC(sflt_reg));
3865 match(RegF);
3867 format %{ %}
3868 interface(REG_INTER);
3869 %}
3871 operand regD_low() %{
3872 constraint(ALLOC_IN_RC(dflt_low_reg));
3873 match(RegD);
3875 format %{ %}
3876 interface(REG_INTER);
3877 %}
3879 // Special Registers
3881 // Method Register
3882 operand inline_cache_regP(iRegP reg) %{
3883 constraint(ALLOC_IN_RC(g5_regP)); // G5=inline_cache_reg but uses 2 bits instead of 1
3884 match(reg);
3885 format %{ %}
3886 interface(REG_INTER);
3887 %}
3889 operand interpreter_method_oop_regP(iRegP reg) %{
3890 constraint(ALLOC_IN_RC(g5_regP)); // G5=interpreter_method_oop_reg but uses 2 bits instead of 1
3891 match(reg);
3892 format %{ %}
3893 interface(REG_INTER);
3894 %}
3897 //----------Complex Operands---------------------------------------------------
3898 // Indirect Memory Reference
3899 operand indirect(sp_ptr_RegP reg) %{
3900 constraint(ALLOC_IN_RC(sp_ptr_reg));
3901 match(reg);
3903 op_cost(100);
3904 format %{ "[$reg]" %}
3905 interface(MEMORY_INTER) %{
3906 base($reg);
3907 index(0x0);
3908 scale(0x0);
3909 disp(0x0);
3910 %}
3911 %}
3913 // Indirect with Offset
3914 operand indOffset13(sp_ptr_RegP reg, immX13 offset) %{
3915 constraint(ALLOC_IN_RC(sp_ptr_reg));
3916 match(AddP reg offset);
3918 op_cost(100);
3919 format %{ "[$reg + $offset]" %}
3920 interface(MEMORY_INTER) %{
3921 base($reg);
3922 index(0x0);
3923 scale(0x0);
3924 disp($offset);
3925 %}
3926 %}
3928 // Note: Intel has a swapped version also, like this:
3929 //operand indOffsetX(iRegI reg, immP offset) %{
3930 // constraint(ALLOC_IN_RC(int_reg));
3931 // match(AddP offset reg);
3932 //
3933 // op_cost(100);
3934 // format %{ "[$reg + $offset]" %}
3935 // interface(MEMORY_INTER) %{
3936 // base($reg);
3937 // index(0x0);
3938 // scale(0x0);
3939 // disp($offset);
3940 // %}
3941 //%}
3942 //// However, it doesn't make sense for SPARC, since
3943 // we have no particularly good way to embed oops in
3944 // single instructions.
3946 // Indirect with Register Index
3947 operand indIndex(iRegP addr, iRegX index) %{
3948 constraint(ALLOC_IN_RC(ptr_reg));
3949 match(AddP addr index);
3951 op_cost(100);
3952 format %{ "[$addr + $index]" %}
3953 interface(MEMORY_INTER) %{
3954 base($addr);
3955 index($index);
3956 scale(0x0);
3957 disp(0x0);
3958 %}
3959 %}
3961 //----------Special Memory Operands--------------------------------------------
3962 // Stack Slot Operand - This operand is used for loading and storing temporary
3963 // values on the stack where a match requires a value to
3964 // flow through memory.
3965 operand stackSlotI(sRegI reg) %{
3966 constraint(ALLOC_IN_RC(stack_slots));
3967 op_cost(100);
3968 //match(RegI);
3969 format %{ "[$reg]" %}
3970 interface(MEMORY_INTER) %{
3971 base(0xE); // R_SP
3972 index(0x0);
3973 scale(0x0);
3974 disp($reg); // Stack Offset
3975 %}
3976 %}
3978 operand stackSlotP(sRegP reg) %{
3979 constraint(ALLOC_IN_RC(stack_slots));
3980 op_cost(100);
3981 //match(RegP);
3982 format %{ "[$reg]" %}
3983 interface(MEMORY_INTER) %{
3984 base(0xE); // R_SP
3985 index(0x0);
3986 scale(0x0);
3987 disp($reg); // Stack Offset
3988 %}
3989 %}
3991 operand stackSlotF(sRegF reg) %{
3992 constraint(ALLOC_IN_RC(stack_slots));
3993 op_cost(100);
3994 //match(RegF);
3995 format %{ "[$reg]" %}
3996 interface(MEMORY_INTER) %{
3997 base(0xE); // R_SP
3998 index(0x0);
3999 scale(0x0);
4000 disp($reg); // Stack Offset
4001 %}
4002 %}
4003 operand stackSlotD(sRegD reg) %{
4004 constraint(ALLOC_IN_RC(stack_slots));
4005 op_cost(100);
4006 //match(RegD);
4007 format %{ "[$reg]" %}
4008 interface(MEMORY_INTER) %{
4009 base(0xE); // R_SP
4010 index(0x0);
4011 scale(0x0);
4012 disp($reg); // Stack Offset
4013 %}
4014 %}
4015 operand stackSlotL(sRegL reg) %{
4016 constraint(ALLOC_IN_RC(stack_slots));
4017 op_cost(100);
4018 //match(RegL);
4019 format %{ "[$reg]" %}
4020 interface(MEMORY_INTER) %{
4021 base(0xE); // R_SP
4022 index(0x0);
4023 scale(0x0);
4024 disp($reg); // Stack Offset
4025 %}
4026 %}
4028 // Operands for expressing Control Flow
4029 // NOTE: Label is a predefined operand which should not be redefined in
4030 // the AD file. It is generically handled within the ADLC.
4032 //----------Conditional Branch Operands----------------------------------------
4033 // Comparison Op - This is the operation of the comparison, and is limited to
4034 // the following set of codes:
4035 // L (<), LE (<=), G (>), GE (>=), E (==), NE (!=)
4036 //
4037 // Other attributes of the comparison, such as unsignedness, are specified
4038 // by the comparison instruction that sets a condition code flags register.
4039 // That result is represented by a flags operand whose subtype is appropriate
4040 // to the unsignedness (etc.) of the comparison.
4041 //
4042 // Later, the instruction which matches both the Comparison Op (a Bool) and
4043 // the flags (produced by the Cmp) specifies the coding of the comparison op
4044 // by matching a specific subtype of Bool operand below, such as cmpOpU.
4046 operand cmpOp() %{
4047 match(Bool);
4049 format %{ "" %}
4050 interface(COND_INTER) %{
4051 equal(0x1);
4052 not_equal(0x9);
4053 less(0x3);
4054 greater_equal(0xB);
4055 less_equal(0x2);
4056 greater(0xA);
4057 %}
4058 %}
4060 // Comparison Op, unsigned
4061 operand cmpOpU() %{
4062 match(Bool);
4064 format %{ "u" %}
4065 interface(COND_INTER) %{
4066 equal(0x1);
4067 not_equal(0x9);
4068 less(0x5);
4069 greater_equal(0xD);
4070 less_equal(0x4);
4071 greater(0xC);
4072 %}
4073 %}
4075 // Comparison Op, pointer (same as unsigned)
4076 operand cmpOpP() %{
4077 match(Bool);
4079 format %{ "p" %}
4080 interface(COND_INTER) %{
4081 equal(0x1);
4082 not_equal(0x9);
4083 less(0x5);
4084 greater_equal(0xD);
4085 less_equal(0x4);
4086 greater(0xC);
4087 %}
4088 %}
4090 // Comparison Op, branch-register encoding
4091 operand cmpOp_reg() %{
4092 match(Bool);
4094 format %{ "" %}
4095 interface(COND_INTER) %{
4096 equal (0x1);
4097 not_equal (0x5);
4098 less (0x3);
4099 greater_equal(0x7);
4100 less_equal (0x2);
4101 greater (0x6);
4102 %}
4103 %}
4105 // Comparison Code, floating, unordered same as less
4106 operand cmpOpF() %{
4107 match(Bool);
4109 format %{ "fl" %}
4110 interface(COND_INTER) %{
4111 equal(0x9);
4112 not_equal(0x1);
4113 less(0x3);
4114 greater_equal(0xB);
4115 less_equal(0xE);
4116 greater(0x6);
4117 %}
4118 %}
4120 // Used by long compare
4121 operand cmpOp_commute() %{
4122 match(Bool);
4124 format %{ "" %}
4125 interface(COND_INTER) %{
4126 equal(0x1);
4127 not_equal(0x9);
4128 less(0xA);
4129 greater_equal(0x2);
4130 less_equal(0xB);
4131 greater(0x3);
4132 %}
4133 %}
4135 //----------OPERAND CLASSES----------------------------------------------------
4136 // Operand Classes are groups of operands that are used to simplify
4137 // instruction definitions by not requiring the AD writer to specify seperate
4138 // instructions for every form of operand when the instruction accepts
4139 // multiple operand types with the same basic encoding and format. The classic
4140 // case of this is memory operands.
4141 // Indirect is not included since its use is limited to Compare & Swap
4142 opclass memory( indirect, indOffset13, indIndex );
4144 //----------PIPELINE-----------------------------------------------------------
4145 pipeline %{
4147 //----------ATTRIBUTES---------------------------------------------------------
4148 attributes %{
4149 fixed_size_instructions; // Fixed size instructions
4150 branch_has_delay_slot; // Branch has delay slot following
4151 max_instructions_per_bundle = 4; // Up to 4 instructions per bundle
4152 instruction_unit_size = 4; // An instruction is 4 bytes long
4153 instruction_fetch_unit_size = 16; // The processor fetches one line
4154 instruction_fetch_units = 1; // of 16 bytes
4156 // List of nop instructions
4157 nops( Nop_A0, Nop_A1, Nop_MS, Nop_FA, Nop_BR );
4158 %}
4160 //----------RESOURCES----------------------------------------------------------
4161 // Resources are the functional units available to the machine
4162 resources(A0, A1, MS, BR, FA, FM, IDIV, FDIV, IALU = A0 | A1);
4164 //----------PIPELINE DESCRIPTION-----------------------------------------------
4165 // Pipeline Description specifies the stages in the machine's pipeline
4167 pipe_desc(A, P, F, B, I, J, S, R, E, C, M, W, X, T, D);
4169 //----------PIPELINE CLASSES---------------------------------------------------
4170 // Pipeline Classes describe the stages in which input and output are
4171 // referenced by the hardware pipeline.
4173 // Integer ALU reg-reg operation
4174 pipe_class ialu_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
4175 single_instruction;
4176 dst : E(write);
4177 src1 : R(read);
4178 src2 : R(read);
4179 IALU : R;
4180 %}
4182 // Integer ALU reg-reg long operation
4183 pipe_class ialu_reg_reg_2(iRegL dst, iRegL src1, iRegL src2) %{
4184 instruction_count(2);
4185 dst : E(write);
4186 src1 : R(read);
4187 src2 : R(read);
4188 IALU : R;
4189 IALU : R;
4190 %}
4192 // Integer ALU reg-reg long dependent operation
4193 pipe_class ialu_reg_reg_2_dep(iRegL dst, iRegL src1, iRegL src2, flagsReg cr) %{
4194 instruction_count(1); multiple_bundles;
4195 dst : E(write);
4196 src1 : R(read);
4197 src2 : R(read);
4198 cr : E(write);
4199 IALU : R(2);
4200 %}
4202 // Integer ALU reg-imm operaion
4203 pipe_class ialu_reg_imm(iRegI dst, iRegI src1, immI13 src2) %{
4204 single_instruction;
4205 dst : E(write);
4206 src1 : R(read);
4207 IALU : R;
4208 %}
4210 // Integer ALU reg-reg operation with condition code
4211 pipe_class ialu_cc_reg_reg(iRegI dst, iRegI src1, iRegI src2, flagsReg cr) %{
4212 single_instruction;
4213 dst : E(write);
4214 cr : E(write);
4215 src1 : R(read);
4216 src2 : R(read);
4217 IALU : R;
4218 %}
4220 // Integer ALU reg-imm operation with condition code
4221 pipe_class ialu_cc_reg_imm(iRegI dst, iRegI src1, immI13 src2, flagsReg cr) %{
4222 single_instruction;
4223 dst : E(write);
4224 cr : E(write);
4225 src1 : R(read);
4226 IALU : R;
4227 %}
4229 // Integer ALU zero-reg operation
4230 pipe_class ialu_zero_reg(iRegI dst, immI0 zero, iRegI src2) %{
4231 single_instruction;
4232 dst : E(write);
4233 src2 : R(read);
4234 IALU : R;
4235 %}
4237 // Integer ALU zero-reg operation with condition code only
4238 pipe_class ialu_cconly_zero_reg(flagsReg cr, iRegI src) %{
4239 single_instruction;
4240 cr : E(write);
4241 src : R(read);
4242 IALU : R;
4243 %}
4245 // Integer ALU reg-reg operation with condition code only
4246 pipe_class ialu_cconly_reg_reg(flagsReg cr, iRegI src1, iRegI src2) %{
4247 single_instruction;
4248 cr : E(write);
4249 src1 : R(read);
4250 src2 : R(read);
4251 IALU : R;
4252 %}
4254 // Integer ALU reg-imm operation with condition code only
4255 pipe_class ialu_cconly_reg_imm(flagsReg cr, iRegI src1, immI13 src2) %{
4256 single_instruction;
4257 cr : E(write);
4258 src1 : R(read);
4259 IALU : R;
4260 %}
4262 // Integer ALU reg-reg-zero operation with condition code only
4263 pipe_class ialu_cconly_reg_reg_zero(flagsReg cr, iRegI src1, iRegI src2, immI0 zero) %{
4264 single_instruction;
4265 cr : E(write);
4266 src1 : R(read);
4267 src2 : R(read);
4268 IALU : R;
4269 %}
4271 // Integer ALU reg-imm-zero operation with condition code only
4272 pipe_class ialu_cconly_reg_imm_zero(flagsReg cr, iRegI src1, immI13 src2, immI0 zero) %{
4273 single_instruction;
4274 cr : E(write);
4275 src1 : R(read);
4276 IALU : R;
4277 %}
4279 // Integer ALU reg-reg operation with condition code, src1 modified
4280 pipe_class ialu_cc_rwreg_reg(flagsReg cr, iRegI src1, iRegI src2) %{
4281 single_instruction;
4282 cr : E(write);
4283 src1 : E(write);
4284 src1 : R(read);
4285 src2 : R(read);
4286 IALU : R;
4287 %}
4289 // Integer ALU reg-imm operation with condition code, src1 modified
4290 pipe_class ialu_cc_rwreg_imm(flagsReg cr, iRegI src1, immI13 src2) %{
4291 single_instruction;
4292 cr : E(write);
4293 src1 : E(write);
4294 src1 : R(read);
4295 IALU : R;
4296 %}
4298 pipe_class cmpL_reg(iRegI dst, iRegL src1, iRegL src2, flagsReg cr ) %{
4299 multiple_bundles;
4300 dst : E(write)+4;
4301 cr : E(write);
4302 src1 : R(read);
4303 src2 : R(read);
4304 IALU : R(3);
4305 BR : R(2);
4306 %}
4308 // Integer ALU operation
4309 pipe_class ialu_none(iRegI dst) %{
4310 single_instruction;
4311 dst : E(write);
4312 IALU : R;
4313 %}
4315 // Integer ALU reg operation
4316 pipe_class ialu_reg(iRegI dst, iRegI src) %{
4317 single_instruction; may_have_no_code;
4318 dst : E(write);
4319 src : R(read);
4320 IALU : R;
4321 %}
4323 // Integer ALU reg conditional operation
4324 // This instruction has a 1 cycle stall, and cannot execute
4325 // in the same cycle as the instruction setting the condition
4326 // code. We kludge this by pretending to read the condition code
4327 // 1 cycle earlier, and by marking the functional units as busy
4328 // for 2 cycles with the result available 1 cycle later than
4329 // is really the case.
4330 pipe_class ialu_reg_flags( iRegI op2_out, iRegI op2_in, iRegI op1, flagsReg cr ) %{
4331 single_instruction;
4332 op2_out : C(write);
4333 op1 : R(read);
4334 cr : R(read); // This is really E, with a 1 cycle stall
4335 BR : R(2);
4336 MS : R(2);
4337 %}
4339 #ifdef _LP64
4340 pipe_class ialu_clr_and_mover( iRegI dst, iRegP src ) %{
4341 instruction_count(1); multiple_bundles;
4342 dst : C(write)+1;
4343 src : R(read)+1;
4344 IALU : R(1);
4345 BR : E(2);
4346 MS : E(2);
4347 %}
4348 #endif
4350 // Integer ALU reg operation
4351 pipe_class ialu_move_reg_L_to_I(iRegI dst, iRegL src) %{
4352 single_instruction; may_have_no_code;
4353 dst : E(write);
4354 src : R(read);
4355 IALU : R;
4356 %}
4357 pipe_class ialu_move_reg_I_to_L(iRegL dst, iRegI src) %{
4358 single_instruction; may_have_no_code;
4359 dst : E(write);
4360 src : R(read);
4361 IALU : R;
4362 %}
4364 // Two integer ALU reg operations
4365 pipe_class ialu_reg_2(iRegL dst, iRegL src) %{
4366 instruction_count(2);
4367 dst : E(write);
4368 src : R(read);
4369 A0 : R;
4370 A1 : R;
4371 %}
4373 // Two integer ALU reg operations
4374 pipe_class ialu_move_reg_L_to_L(iRegL dst, iRegL src) %{
4375 instruction_count(2); may_have_no_code;
4376 dst : E(write);
4377 src : R(read);
4378 A0 : R;
4379 A1 : R;
4380 %}
4382 // Integer ALU imm operation
4383 pipe_class ialu_imm(iRegI dst, immI13 src) %{
4384 single_instruction;
4385 dst : E(write);
4386 IALU : R;
4387 %}
4389 // Integer ALU reg-reg with carry operation
4390 pipe_class ialu_reg_reg_cy(iRegI dst, iRegI src1, iRegI src2, iRegI cy) %{
4391 single_instruction;
4392 dst : E(write);
4393 src1 : R(read);
4394 src2 : R(read);
4395 IALU : R;
4396 %}
4398 // Integer ALU cc operation
4399 pipe_class ialu_cc(iRegI dst, flagsReg cc) %{
4400 single_instruction;
4401 dst : E(write);
4402 cc : R(read);
4403 IALU : R;
4404 %}
4406 // Integer ALU cc / second IALU operation
4407 pipe_class ialu_reg_ialu( iRegI dst, iRegI src ) %{
4408 instruction_count(1); multiple_bundles;
4409 dst : E(write)+1;
4410 src : R(read);
4411 IALU : R;
4412 %}
4414 // Integer ALU cc / second IALU operation
4415 pipe_class ialu_reg_reg_ialu( iRegI dst, iRegI p, iRegI q ) %{
4416 instruction_count(1); multiple_bundles;
4417 dst : E(write)+1;
4418 p : R(read);
4419 q : R(read);
4420 IALU : R;
4421 %}
4423 // Integer ALU hi-lo-reg operation
4424 pipe_class ialu_hi_lo_reg(iRegI dst, immI src) %{
4425 instruction_count(1); multiple_bundles;
4426 dst : E(write)+1;
4427 IALU : R(2);
4428 %}
4430 // Float ALU hi-lo-reg operation (with temp)
4431 pipe_class ialu_hi_lo_reg_temp(regF dst, immF src, g3RegP tmp) %{
4432 instruction_count(1); multiple_bundles;
4433 dst : E(write)+1;
4434 IALU : R(2);
4435 %}
4437 // Long Constant
4438 pipe_class loadConL( iRegL dst, immL src ) %{
4439 instruction_count(2); multiple_bundles;
4440 dst : E(write)+1;
4441 IALU : R(2);
4442 IALU : R(2);
4443 %}
4445 // Pointer Constant
4446 pipe_class loadConP( iRegP dst, immP src ) %{
4447 instruction_count(0); multiple_bundles;
4448 fixed_latency(6);
4449 %}
4451 // Polling Address
4452 pipe_class loadConP_poll( iRegP dst, immP_poll src ) %{
4453 #ifdef _LP64
4454 instruction_count(0); multiple_bundles;
4455 fixed_latency(6);
4456 #else
4457 dst : E(write);
4458 IALU : R;
4459 #endif
4460 %}
4462 // Long Constant small
4463 pipe_class loadConLlo( iRegL dst, immL src ) %{
4464 instruction_count(2);
4465 dst : E(write);
4466 IALU : R;
4467 IALU : R;
4468 %}
4470 // [PHH] This is wrong for 64-bit. See LdImmF/D.
4471 pipe_class loadConFD(regF dst, immF src, g3RegP tmp) %{
4472 instruction_count(1); multiple_bundles;
4473 src : R(read);
4474 dst : M(write)+1;
4475 IALU : R;
4476 MS : E;
4477 %}
4479 // Integer ALU nop operation
4480 pipe_class ialu_nop() %{
4481 single_instruction;
4482 IALU : R;
4483 %}
4485 // Integer ALU nop operation
4486 pipe_class ialu_nop_A0() %{
4487 single_instruction;
4488 A0 : R;
4489 %}
4491 // Integer ALU nop operation
4492 pipe_class ialu_nop_A1() %{
4493 single_instruction;
4494 A1 : R;
4495 %}
4497 // Integer Multiply reg-reg operation
4498 pipe_class imul_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
4499 single_instruction;
4500 dst : E(write);
4501 src1 : R(read);
4502 src2 : R(read);
4503 MS : R(5);
4504 %}
4506 // Integer Multiply reg-imm operation
4507 pipe_class imul_reg_imm(iRegI dst, iRegI src1, immI13 src2) %{
4508 single_instruction;
4509 dst : E(write);
4510 src1 : R(read);
4511 MS : R(5);
4512 %}
4514 pipe_class mulL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
4515 single_instruction;
4516 dst : E(write)+4;
4517 src1 : R(read);
4518 src2 : R(read);
4519 MS : R(6);
4520 %}
4522 pipe_class mulL_reg_imm(iRegL dst, iRegL src1, immL13 src2) %{
4523 single_instruction;
4524 dst : E(write)+4;
4525 src1 : R(read);
4526 MS : R(6);
4527 %}
4529 // Integer Divide reg-reg
4530 pipe_class sdiv_reg_reg(iRegI dst, iRegI src1, iRegI src2, iRegI temp, flagsReg cr) %{
4531 instruction_count(1); multiple_bundles;
4532 dst : E(write);
4533 temp : E(write);
4534 src1 : R(read);
4535 src2 : R(read);
4536 temp : R(read);
4537 MS : R(38);
4538 %}
4540 // Integer Divide reg-imm
4541 pipe_class sdiv_reg_imm(iRegI dst, iRegI src1, immI13 src2, iRegI temp, flagsReg cr) %{
4542 instruction_count(1); multiple_bundles;
4543 dst : E(write);
4544 temp : E(write);
4545 src1 : R(read);
4546 temp : R(read);
4547 MS : R(38);
4548 %}
4550 // Long Divide
4551 pipe_class divL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
4552 dst : E(write)+71;
4553 src1 : R(read);
4554 src2 : R(read)+1;
4555 MS : R(70);
4556 %}
4558 pipe_class divL_reg_imm(iRegL dst, iRegL src1, immL13 src2) %{
4559 dst : E(write)+71;
4560 src1 : R(read);
4561 MS : R(70);
4562 %}
4564 // Floating Point Add Float
4565 pipe_class faddF_reg_reg(regF dst, regF src1, regF src2) %{
4566 single_instruction;
4567 dst : X(write);
4568 src1 : E(read);
4569 src2 : E(read);
4570 FA : R;
4571 %}
4573 // Floating Point Add Double
4574 pipe_class faddD_reg_reg(regD dst, regD src1, regD src2) %{
4575 single_instruction;
4576 dst : X(write);
4577 src1 : E(read);
4578 src2 : E(read);
4579 FA : R;
4580 %}
4582 // Floating Point Conditional Move based on integer flags
4583 pipe_class int_conditional_float_move (cmpOp cmp, flagsReg cr, regF dst, regF src) %{
4584 single_instruction;
4585 dst : X(write);
4586 src : E(read);
4587 cr : R(read);
4588 FA : R(2);
4589 BR : R(2);
4590 %}
4592 // Floating Point Conditional Move based on integer flags
4593 pipe_class int_conditional_double_move (cmpOp cmp, flagsReg cr, regD dst, regD src) %{
4594 single_instruction;
4595 dst : X(write);
4596 src : E(read);
4597 cr : R(read);
4598 FA : R(2);
4599 BR : R(2);
4600 %}
4602 // Floating Point Multiply Float
4603 pipe_class fmulF_reg_reg(regF dst, regF src1, regF src2) %{
4604 single_instruction;
4605 dst : X(write);
4606 src1 : E(read);
4607 src2 : E(read);
4608 FM : R;
4609 %}
4611 // Floating Point Multiply Double
4612 pipe_class fmulD_reg_reg(regD dst, regD src1, regD src2) %{
4613 single_instruction;
4614 dst : X(write);
4615 src1 : E(read);
4616 src2 : E(read);
4617 FM : R;
4618 %}
4620 // Floating Point Divide Float
4621 pipe_class fdivF_reg_reg(regF dst, regF src1, regF src2) %{
4622 single_instruction;
4623 dst : X(write);
4624 src1 : E(read);
4625 src2 : E(read);
4626 FM : R;
4627 FDIV : C(14);
4628 %}
4630 // Floating Point Divide Double
4631 pipe_class fdivD_reg_reg(regD dst, regD src1, regD src2) %{
4632 single_instruction;
4633 dst : X(write);
4634 src1 : E(read);
4635 src2 : E(read);
4636 FM : R;
4637 FDIV : C(17);
4638 %}
4640 // Floating Point Move/Negate/Abs Float
4641 pipe_class faddF_reg(regF dst, regF src) %{
4642 single_instruction;
4643 dst : W(write);
4644 src : E(read);
4645 FA : R(1);
4646 %}
4648 // Floating Point Move/Negate/Abs Double
4649 pipe_class faddD_reg(regD dst, regD src) %{
4650 single_instruction;
4651 dst : W(write);
4652 src : E(read);
4653 FA : R;
4654 %}
4656 // Floating Point Convert F->D
4657 pipe_class fcvtF2D(regD dst, regF src) %{
4658 single_instruction;
4659 dst : X(write);
4660 src : E(read);
4661 FA : R;
4662 %}
4664 // Floating Point Convert I->D
4665 pipe_class fcvtI2D(regD dst, regF src) %{
4666 single_instruction;
4667 dst : X(write);
4668 src : E(read);
4669 FA : R;
4670 %}
4672 // Floating Point Convert LHi->D
4673 pipe_class fcvtLHi2D(regD dst, regD src) %{
4674 single_instruction;
4675 dst : X(write);
4676 src : E(read);
4677 FA : R;
4678 %}
4680 // Floating Point Convert L->D
4681 pipe_class fcvtL2D(regD dst, regF src) %{
4682 single_instruction;
4683 dst : X(write);
4684 src : E(read);
4685 FA : R;
4686 %}
4688 // Floating Point Convert L->F
4689 pipe_class fcvtL2F(regD dst, regF src) %{
4690 single_instruction;
4691 dst : X(write);
4692 src : E(read);
4693 FA : R;
4694 %}
4696 // Floating Point Convert D->F
4697 pipe_class fcvtD2F(regD dst, regF src) %{
4698 single_instruction;
4699 dst : X(write);
4700 src : E(read);
4701 FA : R;
4702 %}
4704 // Floating Point Convert I->L
4705 pipe_class fcvtI2L(regD dst, regF src) %{
4706 single_instruction;
4707 dst : X(write);
4708 src : E(read);
4709 FA : R;
4710 %}
4712 // Floating Point Convert D->F
4713 pipe_class fcvtD2I(regF dst, regD src, flagsReg cr) %{
4714 instruction_count(1); multiple_bundles;
4715 dst : X(write)+6;
4716 src : E(read);
4717 FA : R;
4718 %}
4720 // Floating Point Convert D->L
4721 pipe_class fcvtD2L(regD dst, regD src, flagsReg cr) %{
4722 instruction_count(1); multiple_bundles;
4723 dst : X(write)+6;
4724 src : E(read);
4725 FA : R;
4726 %}
4728 // Floating Point Convert F->I
4729 pipe_class fcvtF2I(regF dst, regF src, flagsReg cr) %{
4730 instruction_count(1); multiple_bundles;
4731 dst : X(write)+6;
4732 src : E(read);
4733 FA : R;
4734 %}
4736 // Floating Point Convert F->L
4737 pipe_class fcvtF2L(regD dst, regF src, flagsReg cr) %{
4738 instruction_count(1); multiple_bundles;
4739 dst : X(write)+6;
4740 src : E(read);
4741 FA : R;
4742 %}
4744 // Floating Point Convert I->F
4745 pipe_class fcvtI2F(regF dst, regF src) %{
4746 single_instruction;
4747 dst : X(write);
4748 src : E(read);
4749 FA : R;
4750 %}
4752 // Floating Point Compare
4753 pipe_class faddF_fcc_reg_reg_zero(flagsRegF cr, regF src1, regF src2, immI0 zero) %{
4754 single_instruction;
4755 cr : X(write);
4756 src1 : E(read);
4757 src2 : E(read);
4758 FA : R;
4759 %}
4761 // Floating Point Compare
4762 pipe_class faddD_fcc_reg_reg_zero(flagsRegF cr, regD src1, regD src2, immI0 zero) %{
4763 single_instruction;
4764 cr : X(write);
4765 src1 : E(read);
4766 src2 : E(read);
4767 FA : R;
4768 %}
4770 // Floating Add Nop
4771 pipe_class fadd_nop() %{
4772 single_instruction;
4773 FA : R;
4774 %}
4776 // Integer Store to Memory
4777 pipe_class istore_mem_reg(memory mem, iRegI src) %{
4778 single_instruction;
4779 mem : R(read);
4780 src : C(read);
4781 MS : R;
4782 %}
4784 // Integer Store to Memory
4785 pipe_class istore_mem_spORreg(memory mem, sp_ptr_RegP src) %{
4786 single_instruction;
4787 mem : R(read);
4788 src : C(read);
4789 MS : R;
4790 %}
4792 // Integer Store Zero to Memory
4793 pipe_class istore_mem_zero(memory mem, immI0 src) %{
4794 single_instruction;
4795 mem : R(read);
4796 MS : R;
4797 %}
4799 // Special Stack Slot Store
4800 pipe_class istore_stk_reg(stackSlotI stkSlot, iRegI src) %{
4801 single_instruction;
4802 stkSlot : R(read);
4803 src : C(read);
4804 MS : R;
4805 %}
4807 // Special Stack Slot Store
4808 pipe_class lstoreI_stk_reg(stackSlotL stkSlot, iRegI src) %{
4809 instruction_count(2); multiple_bundles;
4810 stkSlot : R(read);
4811 src : C(read);
4812 MS : R(2);
4813 %}
4815 // Float Store
4816 pipe_class fstoreF_mem_reg(memory mem, RegF src) %{
4817 single_instruction;
4818 mem : R(read);
4819 src : C(read);
4820 MS : R;
4821 %}
4823 // Float Store
4824 pipe_class fstoreF_mem_zero(memory mem, immF0 src) %{
4825 single_instruction;
4826 mem : R(read);
4827 MS : R;
4828 %}
4830 // Double Store
4831 pipe_class fstoreD_mem_reg(memory mem, RegD src) %{
4832 instruction_count(1);
4833 mem : R(read);
4834 src : C(read);
4835 MS : R;
4836 %}
4838 // Double Store
4839 pipe_class fstoreD_mem_zero(memory mem, immD0 src) %{
4840 single_instruction;
4841 mem : R(read);
4842 MS : R;
4843 %}
4845 // Special Stack Slot Float Store
4846 pipe_class fstoreF_stk_reg(stackSlotI stkSlot, RegF src) %{
4847 single_instruction;
4848 stkSlot : R(read);
4849 src : C(read);
4850 MS : R;
4851 %}
4853 // Special Stack Slot Double Store
4854 pipe_class fstoreD_stk_reg(stackSlotI stkSlot, RegD src) %{
4855 single_instruction;
4856 stkSlot : R(read);
4857 src : C(read);
4858 MS : R;
4859 %}
4861 // Integer Load (when sign bit propagation not needed)
4862 pipe_class iload_mem(iRegI dst, memory mem) %{
4863 single_instruction;
4864 mem : R(read);
4865 dst : C(write);
4866 MS : R;
4867 %}
4869 // Integer Load from stack operand
4870 pipe_class iload_stkD(iRegI dst, stackSlotD mem ) %{
4871 single_instruction;
4872 mem : R(read);
4873 dst : C(write);
4874 MS : R;
4875 %}
4877 // Integer Load (when sign bit propagation or masking is needed)
4878 pipe_class iload_mask_mem(iRegI dst, memory mem) %{
4879 single_instruction;
4880 mem : R(read);
4881 dst : M(write);
4882 MS : R;
4883 %}
4885 // Float Load
4886 pipe_class floadF_mem(regF dst, memory mem) %{
4887 single_instruction;
4888 mem : R(read);
4889 dst : M(write);
4890 MS : R;
4891 %}
4893 // Float Load
4894 pipe_class floadD_mem(regD dst, memory mem) %{
4895 instruction_count(1); multiple_bundles; // Again, unaligned argument is only multiple case
4896 mem : R(read);
4897 dst : M(write);
4898 MS : R;
4899 %}
4901 // Float Load
4902 pipe_class floadF_stk(regF dst, stackSlotI stkSlot) %{
4903 single_instruction;
4904 stkSlot : R(read);
4905 dst : M(write);
4906 MS : R;
4907 %}
4909 // Float Load
4910 pipe_class floadD_stk(regD dst, stackSlotI stkSlot) %{
4911 single_instruction;
4912 stkSlot : R(read);
4913 dst : M(write);
4914 MS : R;
4915 %}
4917 // Memory Nop
4918 pipe_class mem_nop() %{
4919 single_instruction;
4920 MS : R;
4921 %}
4923 pipe_class sethi(iRegP dst, immI src) %{
4924 single_instruction;
4925 dst : E(write);
4926 IALU : R;
4927 %}
4929 pipe_class loadPollP(iRegP poll) %{
4930 single_instruction;
4931 poll : R(read);
4932 MS : R;
4933 %}
4935 pipe_class br(Universe br, label labl) %{
4936 single_instruction_with_delay_slot;
4937 BR : R;
4938 %}
4940 pipe_class br_cc(Universe br, cmpOp cmp, flagsReg cr, label labl) %{
4941 single_instruction_with_delay_slot;
4942 cr : E(read);
4943 BR : R;
4944 %}
4946 pipe_class br_reg(Universe br, cmpOp cmp, iRegI op1, label labl) %{
4947 single_instruction_with_delay_slot;
4948 op1 : E(read);
4949 BR : R;
4950 MS : R;
4951 %}
4953 pipe_class br_fcc(Universe br, cmpOpF cc, flagsReg cr, label labl) %{
4954 single_instruction_with_delay_slot;
4955 cr : E(read);
4956 BR : R;
4957 %}
4959 pipe_class br_nop() %{
4960 single_instruction;
4961 BR : R;
4962 %}
4964 pipe_class simple_call(method meth) %{
4965 instruction_count(2); multiple_bundles; force_serialization;
4966 fixed_latency(100);
4967 BR : R(1);
4968 MS : R(1);
4969 A0 : R(1);
4970 %}
4972 pipe_class compiled_call(method meth) %{
4973 instruction_count(1); multiple_bundles; force_serialization;
4974 fixed_latency(100);
4975 MS : R(1);
4976 %}
4978 pipe_class call(method meth) %{
4979 instruction_count(0); multiple_bundles; force_serialization;
4980 fixed_latency(100);
4981 %}
4983 pipe_class tail_call(Universe ignore, label labl) %{
4984 single_instruction; has_delay_slot;
4985 fixed_latency(100);
4986 BR : R(1);
4987 MS : R(1);
4988 %}
4990 pipe_class ret(Universe ignore) %{
4991 single_instruction; has_delay_slot;
4992 BR : R(1);
4993 MS : R(1);
4994 %}
4996 pipe_class ret_poll(g3RegP poll) %{
4997 instruction_count(3); has_delay_slot;
4998 poll : E(read);
4999 MS : R;
5000 %}
5002 // The real do-nothing guy
5003 pipe_class empty( ) %{
5004 instruction_count(0);
5005 %}
5007 pipe_class long_memory_op() %{
5008 instruction_count(0); multiple_bundles; force_serialization;
5009 fixed_latency(25);
5010 MS : R(1);
5011 %}
5013 // Check-cast
5014 pipe_class partial_subtype_check_pipe(Universe ignore, iRegP array, iRegP match ) %{
5015 array : R(read);
5016 match : R(read);
5017 IALU : R(2);
5018 BR : R(2);
5019 MS : R;
5020 %}
5022 // Convert FPU flags into +1,0,-1
5023 pipe_class floating_cmp( iRegI dst, regF src1, regF src2 ) %{
5024 src1 : E(read);
5025 src2 : E(read);
5026 dst : E(write);
5027 FA : R;
5028 MS : R(2);
5029 BR : R(2);
5030 %}
5032 // Compare for p < q, and conditionally add y
5033 pipe_class cadd_cmpltmask( iRegI p, iRegI q, iRegI y ) %{
5034 p : E(read);
5035 q : E(read);
5036 y : E(read);
5037 IALU : R(3)
5038 %}
5040 // Perform a compare, then move conditionally in a branch delay slot.
5041 pipe_class min_max( iRegI src2, iRegI srcdst ) %{
5042 src2 : E(read);
5043 srcdst : E(read);
5044 IALU : R;
5045 BR : R;
5046 %}
5048 // Define the class for the Nop node
5049 define %{
5050 MachNop = ialu_nop;
5051 %}
5053 %}
5055 //----------INSTRUCTIONS-------------------------------------------------------
5057 //------------Special Stack Slot instructions - no match rules-----------------
5058 instruct stkI_to_regF(regF dst, stackSlotI src) %{
5059 // No match rule to avoid chain rule match.
5060 effect(DEF dst, USE src);
5061 ins_cost(MEMORY_REF_COST);
5062 size(4);
5063 format %{ "LDF $src,$dst\t! stkI to regF" %}
5064 opcode(Assembler::ldf_op3);
5065 ins_encode(form3_mem_reg(src, dst));
5066 ins_pipe(floadF_stk);
5067 %}
5069 instruct stkL_to_regD(regD dst, stackSlotL src) %{
5070 // No match rule to avoid chain rule match.
5071 effect(DEF dst, USE src);
5072 ins_cost(MEMORY_REF_COST);
5073 size(4);
5074 format %{ "LDDF $src,$dst\t! stkL to regD" %}
5075 opcode(Assembler::lddf_op3);
5076 ins_encode(form3_mem_reg(src, dst));
5077 ins_pipe(floadD_stk);
5078 %}
5080 instruct regF_to_stkI(stackSlotI dst, regF src) %{
5081 // No match rule to avoid chain rule match.
5082 effect(DEF dst, USE src);
5083 ins_cost(MEMORY_REF_COST);
5084 size(4);
5085 format %{ "STF $src,$dst\t! regF to stkI" %}
5086 opcode(Assembler::stf_op3);
5087 ins_encode(form3_mem_reg(dst, src));
5088 ins_pipe(fstoreF_stk_reg);
5089 %}
5091 instruct regD_to_stkL(stackSlotL dst, regD src) %{
5092 // No match rule to avoid chain rule match.
5093 effect(DEF dst, USE src);
5094 ins_cost(MEMORY_REF_COST);
5095 size(4);
5096 format %{ "STDF $src,$dst\t! regD to stkL" %}
5097 opcode(Assembler::stdf_op3);
5098 ins_encode(form3_mem_reg(dst, src));
5099 ins_pipe(fstoreD_stk_reg);
5100 %}
5102 instruct regI_to_stkLHi(stackSlotL dst, iRegI src) %{
5103 effect(DEF dst, USE src);
5104 ins_cost(MEMORY_REF_COST*2);
5105 size(8);
5106 format %{ "STW $src,$dst.hi\t! long\n\t"
5107 "STW R_G0,$dst.lo" %}
5108 opcode(Assembler::stw_op3);
5109 ins_encode(form3_mem_reg(dst, src), form3_mem_plus_4_reg(dst, R_G0));
5110 ins_pipe(lstoreI_stk_reg);
5111 %}
5113 instruct regL_to_stkD(stackSlotD dst, iRegL src) %{
5114 // No match rule to avoid chain rule match.
5115 effect(DEF dst, USE src);
5116 ins_cost(MEMORY_REF_COST);
5117 size(4);
5118 format %{ "STX $src,$dst\t! regL to stkD" %}
5119 opcode(Assembler::stx_op3);
5120 ins_encode( form3_mem_reg( dst, src ) );
5121 ins_pipe(istore_stk_reg);
5122 %}
5124 //---------- Chain stack slots between similar types --------
5126 // Load integer from stack slot
5127 instruct stkI_to_regI( iRegI dst, stackSlotI src ) %{
5128 match(Set dst src);
5129 ins_cost(MEMORY_REF_COST);
5131 size(4);
5132 format %{ "LDUW $src,$dst\t!stk" %}
5133 opcode(Assembler::lduw_op3);
5134 ins_encode( form3_mem_reg( src, dst ) );
5135 ins_pipe(iload_mem);
5136 %}
5138 // Store integer to stack slot
5139 instruct regI_to_stkI( stackSlotI dst, iRegI src ) %{
5140 match(Set dst src);
5141 ins_cost(MEMORY_REF_COST);
5143 size(4);
5144 format %{ "STW $src,$dst\t!stk" %}
5145 opcode(Assembler::stw_op3);
5146 ins_encode( form3_mem_reg( dst, src ) );
5147 ins_pipe(istore_mem_reg);
5148 %}
5150 // Load long from stack slot
5151 instruct stkL_to_regL( iRegL dst, stackSlotL src ) %{
5152 match(Set dst src);
5154 ins_cost(MEMORY_REF_COST);
5155 size(4);
5156 format %{ "LDX $src,$dst\t! long" %}
5157 opcode(Assembler::ldx_op3);
5158 ins_encode( form3_mem_reg( src, dst ) );
5159 ins_pipe(iload_mem);
5160 %}
5162 // Store long to stack slot
5163 instruct regL_to_stkL(stackSlotL dst, iRegL src) %{
5164 match(Set dst src);
5166 ins_cost(MEMORY_REF_COST);
5167 size(4);
5168 format %{ "STX $src,$dst\t! long" %}
5169 opcode(Assembler::stx_op3);
5170 ins_encode( form3_mem_reg( dst, src ) );
5171 ins_pipe(istore_mem_reg);
5172 %}
5174 #ifdef _LP64
5175 // Load pointer from stack slot, 64-bit encoding
5176 instruct stkP_to_regP( iRegP dst, stackSlotP src ) %{
5177 match(Set dst src);
5178 ins_cost(MEMORY_REF_COST);
5179 size(4);
5180 format %{ "LDX $src,$dst\t!ptr" %}
5181 opcode(Assembler::ldx_op3);
5182 ins_encode( form3_mem_reg( src, dst ) );
5183 ins_pipe(iload_mem);
5184 %}
5186 // Store pointer to stack slot
5187 instruct regP_to_stkP(stackSlotP dst, iRegP src) %{
5188 match(Set dst src);
5189 ins_cost(MEMORY_REF_COST);
5190 size(4);
5191 format %{ "STX $src,$dst\t!ptr" %}
5192 opcode(Assembler::stx_op3);
5193 ins_encode( form3_mem_reg( dst, src ) );
5194 ins_pipe(istore_mem_reg);
5195 %}
5196 #else // _LP64
5197 // Load pointer from stack slot, 32-bit encoding
5198 instruct stkP_to_regP( iRegP dst, stackSlotP src ) %{
5199 match(Set dst src);
5200 ins_cost(MEMORY_REF_COST);
5201 format %{ "LDUW $src,$dst\t!ptr" %}
5202 opcode(Assembler::lduw_op3, Assembler::ldst_op);
5203 ins_encode( form3_mem_reg( src, dst ) );
5204 ins_pipe(iload_mem);
5205 %}
5207 // Store pointer to stack slot
5208 instruct regP_to_stkP(stackSlotP dst, iRegP src) %{
5209 match(Set dst src);
5210 ins_cost(MEMORY_REF_COST);
5211 format %{ "STW $src,$dst\t!ptr" %}
5212 opcode(Assembler::stw_op3, Assembler::ldst_op);
5213 ins_encode( form3_mem_reg( dst, src ) );
5214 ins_pipe(istore_mem_reg);
5215 %}
5216 #endif // _LP64
5218 //------------Special Nop instructions for bundling - no match rules-----------
5219 // Nop using the A0 functional unit
5220 instruct Nop_A0() %{
5221 ins_cost(0);
5223 format %{ "NOP ! Alu Pipeline" %}
5224 opcode(Assembler::or_op3, Assembler::arith_op);
5225 ins_encode( form2_nop() );
5226 ins_pipe(ialu_nop_A0);
5227 %}
5229 // Nop using the A1 functional unit
5230 instruct Nop_A1( ) %{
5231 ins_cost(0);
5233 format %{ "NOP ! Alu Pipeline" %}
5234 opcode(Assembler::or_op3, Assembler::arith_op);
5235 ins_encode( form2_nop() );
5236 ins_pipe(ialu_nop_A1);
5237 %}
5239 // Nop using the memory functional unit
5240 instruct Nop_MS( ) %{
5241 ins_cost(0);
5243 format %{ "NOP ! Memory Pipeline" %}
5244 ins_encode( emit_mem_nop );
5245 ins_pipe(mem_nop);
5246 %}
5248 // Nop using the floating add functional unit
5249 instruct Nop_FA( ) %{
5250 ins_cost(0);
5252 format %{ "NOP ! Floating Add Pipeline" %}
5253 ins_encode( emit_fadd_nop );
5254 ins_pipe(fadd_nop);
5255 %}
5257 // Nop using the branch functional unit
5258 instruct Nop_BR( ) %{
5259 ins_cost(0);
5261 format %{ "NOP ! Branch Pipeline" %}
5262 ins_encode( emit_br_nop );
5263 ins_pipe(br_nop);
5264 %}
5266 //----------Load/Store/Move Instructions---------------------------------------
5267 //----------Load Instructions--------------------------------------------------
5268 // Load Byte (8bit signed)
5269 instruct loadB(iRegI dst, memory mem) %{
5270 match(Set dst (LoadB mem));
5271 ins_cost(MEMORY_REF_COST);
5273 size(4);
5274 format %{ "LDSB $mem,$dst" %}
5275 opcode(Assembler::ldsb_op3);
5276 ins_encode( form3_mem_reg( mem, dst ) );
5277 ins_pipe(iload_mask_mem);
5278 %}
5280 // Load Byte (8bit UNsigned) into an int reg
5281 instruct loadUB(iRegI dst, memory mem, immI_255 bytemask) %{
5282 match(Set dst (AndI (LoadB mem) bytemask));
5283 ins_cost(MEMORY_REF_COST);
5285 size(4);
5286 format %{ "LDUB $mem,$dst" %}
5287 opcode(Assembler::ldub_op3);
5288 ins_encode( form3_mem_reg( mem, dst ) );
5289 ins_pipe(iload_mask_mem);
5290 %}
5292 // Load Byte (8bit UNsigned) into a Long Register
5293 instruct loadUBL(iRegL dst, memory mem, immL_FF bytemask) %{
5294 match(Set dst (AndL (ConvI2L (LoadB mem)) bytemask));
5295 ins_cost(MEMORY_REF_COST);
5297 size(4);
5298 format %{ "LDUB $mem,$dst" %}
5299 opcode(Assembler::ldub_op3);
5300 ins_encode( form3_mem_reg( mem, dst ) );
5301 ins_pipe(iload_mask_mem);
5302 %}
5304 // Load Char (16bit UNsigned) into a Long Register
5305 instruct loadUCL(iRegL dst, memory mem, immL_FFFF bytemask) %{
5306 match(Set dst (AndL (ConvI2L (LoadC mem)) bytemask));
5307 ins_cost(MEMORY_REF_COST);
5309 size(4);
5310 format %{ "LDUH $mem,$dst" %}
5311 opcode(Assembler::lduh_op3);
5312 ins_encode( form3_mem_reg( mem, dst ) );
5313 ins_pipe(iload_mask_mem);
5314 %}
5316 // Load Char (16bit unsigned)
5317 instruct loadC(iRegI dst, memory mem) %{
5318 match(Set dst (LoadC mem));
5319 ins_cost(MEMORY_REF_COST);
5321 size(4);
5322 format %{ "LDUH $mem,$dst" %}
5323 opcode(Assembler::lduh_op3);
5324 ins_encode( form3_mem_reg( mem, dst ) );
5325 ins_pipe(iload_mask_mem);
5326 %}
5328 // Load Integer
5329 instruct loadI(iRegI dst, memory mem) %{
5330 match(Set dst (LoadI mem));
5331 ins_cost(MEMORY_REF_COST);
5332 size(4);
5334 format %{ "LDUW $mem,$dst" %}
5335 opcode(Assembler::lduw_op3);
5336 ins_encode( form3_mem_reg( mem, dst ) );
5337 ins_pipe(iload_mem);
5338 %}
5340 // Load Long - aligned
5341 instruct loadL(iRegL dst, memory mem ) %{
5342 match(Set dst (LoadL mem));
5343 ins_cost(MEMORY_REF_COST);
5344 size(4);
5345 format %{ "LDX $mem,$dst\t! long" %}
5346 opcode(Assembler::ldx_op3);
5347 ins_encode( form3_mem_reg( mem, dst ) );
5348 ins_pipe(iload_mem);
5349 %}
5351 // Load Long - UNaligned
5352 instruct loadL_unaligned(iRegL dst, memory mem, o7RegI tmp) %{
5353 match(Set dst (LoadL_unaligned mem));
5354 effect(KILL tmp);
5355 ins_cost(MEMORY_REF_COST*2+DEFAULT_COST);
5356 size(16);
5357 format %{ "LDUW $mem+4,R_O7\t! misaligned long\n"
5358 "\tLDUW $mem ,$dst\n"
5359 "\tSLLX #32, $dst, $dst\n"
5360 "\tOR $dst, R_O7, $dst" %}
5361 opcode(Assembler::lduw_op3);
5362 ins_encode( form3_mem_reg_long_unaligned_marshal( mem, dst ));
5363 ins_pipe(iload_mem);
5364 %}
5366 // Load Aligned Packed Byte into a Double Register
5367 instruct loadA8B(regD dst, memory mem) %{
5368 match(Set dst (Load8B mem));
5369 ins_cost(MEMORY_REF_COST);
5370 size(4);
5371 format %{ "LDDF $mem,$dst\t! packed8B" %}
5372 opcode(Assembler::lddf_op3);
5373 ins_encode( form3_mem_reg( mem, dst ) );
5374 ins_pipe(floadD_mem);
5375 %}
5377 // Load Aligned Packed Char into a Double Register
5378 instruct loadA4C(regD dst, memory mem) %{
5379 match(Set dst (Load4C mem));
5380 ins_cost(MEMORY_REF_COST);
5381 size(4);
5382 format %{ "LDDF $mem,$dst\t! packed4C" %}
5383 opcode(Assembler::lddf_op3);
5384 ins_encode( form3_mem_reg( mem, dst ) );
5385 ins_pipe(floadD_mem);
5386 %}
5388 // Load Aligned Packed Short into a Double Register
5389 instruct loadA4S(regD dst, memory mem) %{
5390 match(Set dst (Load4S mem));
5391 ins_cost(MEMORY_REF_COST);
5392 size(4);
5393 format %{ "LDDF $mem,$dst\t! packed4S" %}
5394 opcode(Assembler::lddf_op3);
5395 ins_encode( form3_mem_reg( mem, dst ) );
5396 ins_pipe(floadD_mem);
5397 %}
5399 // Load Aligned Packed Int into a Double Register
5400 instruct loadA2I(regD dst, memory mem) %{
5401 match(Set dst (Load2I mem));
5402 ins_cost(MEMORY_REF_COST);
5403 size(4);
5404 format %{ "LDDF $mem,$dst\t! packed2I" %}
5405 opcode(Assembler::lddf_op3);
5406 ins_encode( form3_mem_reg( mem, dst ) );
5407 ins_pipe(floadD_mem);
5408 %}
5410 // Load Range
5411 instruct loadRange(iRegI dst, memory mem) %{
5412 match(Set dst (LoadRange mem));
5413 ins_cost(MEMORY_REF_COST);
5415 size(4);
5416 format %{ "LDUW $mem,$dst\t! range" %}
5417 opcode(Assembler::lduw_op3);
5418 ins_encode( form3_mem_reg( mem, dst ) );
5419 ins_pipe(iload_mem);
5420 %}
5422 // Load Integer into %f register (for fitos/fitod)
5423 instruct loadI_freg(regF dst, memory mem) %{
5424 match(Set dst (LoadI mem));
5425 ins_cost(MEMORY_REF_COST);
5426 size(4);
5428 format %{ "LDF $mem,$dst\t! for fitos/fitod" %}
5429 opcode(Assembler::ldf_op3);
5430 ins_encode( form3_mem_reg( mem, dst ) );
5431 ins_pipe(floadF_mem);
5432 %}
5434 // Load Pointer
5435 instruct loadP(iRegP dst, memory mem) %{
5436 match(Set dst (LoadP mem));
5437 ins_cost(MEMORY_REF_COST);
5438 size(4);
5440 #ifndef _LP64
5441 format %{ "LDUW $mem,$dst\t! ptr" %}
5442 opcode(Assembler::lduw_op3, 0, REGP_OP);
5443 #else
5444 format %{ "LDX $mem,$dst\t! ptr" %}
5445 opcode(Assembler::ldx_op3, 0, REGP_OP);
5446 #endif
5447 ins_encode( form3_mem_reg( mem, dst ) );
5448 ins_pipe(iload_mem);
5449 %}
5451 // Load Compressed Pointer
5452 instruct loadN(iRegN dst, memory mem) %{
5453 match(Set dst (LoadN mem));
5454 ins_cost(MEMORY_REF_COST);
5455 size(4);
5457 format %{ "LDUW $mem,$dst\t! compressed ptr" %}
5458 ins_encode %{
5459 Register base = as_Register($mem$$base);
5460 Register index = as_Register($mem$$index);
5461 Register dst = $dst$$Register;
5462 if (index != G0) {
5463 __ lduw(base, index, dst);
5464 } else {
5465 __ lduw(base, $mem$$disp, dst);
5466 }
5467 %}
5468 ins_pipe(iload_mem);
5469 %}
5471 // Load Klass Pointer
5472 instruct loadKlass(iRegP dst, memory mem) %{
5473 match(Set dst (LoadKlass mem));
5474 ins_cost(MEMORY_REF_COST);
5475 size(4);
5477 #ifndef _LP64
5478 format %{ "LDUW $mem,$dst\t! klass ptr" %}
5479 opcode(Assembler::lduw_op3, 0, REGP_OP);
5480 #else
5481 format %{ "LDX $mem,$dst\t! klass ptr" %}
5482 opcode(Assembler::ldx_op3, 0, REGP_OP);
5483 #endif
5484 ins_encode( form3_mem_reg( mem, dst ) );
5485 ins_pipe(iload_mem);
5486 %}
5488 // Load narrow Klass Pointer
5489 instruct loadNKlass(iRegN dst, memory mem) %{
5490 match(Set dst (LoadNKlass mem));
5491 ins_cost(MEMORY_REF_COST);
5492 size(4);
5494 format %{ "LDUW $mem,$dst\t! compressed klass ptr" %}
5496 ins_encode %{
5497 Register base = as_Register($mem$$base);
5498 Register index = as_Register($mem$$index);
5499 Register dst = $dst$$Register;
5500 if (index != G0) {
5501 __ lduw(base, index, dst);
5502 } else {
5503 __ lduw(base, $mem$$disp, dst);
5504 }
5505 %}
5506 ins_pipe(iload_mem);
5507 %}
5509 // Load Short (16bit signed)
5510 instruct loadS(iRegI dst, memory mem) %{
5511 match(Set dst (LoadS mem));
5512 ins_cost(MEMORY_REF_COST);
5514 size(4);
5515 format %{ "LDSH $mem,$dst" %}
5516 opcode(Assembler::ldsh_op3);
5517 ins_encode( form3_mem_reg( mem, dst ) );
5518 ins_pipe(iload_mask_mem);
5519 %}
5521 // Load Double
5522 instruct loadD(regD dst, memory mem) %{
5523 match(Set dst (LoadD mem));
5524 ins_cost(MEMORY_REF_COST);
5526 size(4);
5527 format %{ "LDDF $mem,$dst" %}
5528 opcode(Assembler::lddf_op3);
5529 ins_encode( form3_mem_reg( mem, dst ) );
5530 ins_pipe(floadD_mem);
5531 %}
5533 // Load Double - UNaligned
5534 instruct loadD_unaligned(regD_low dst, memory mem ) %{
5535 match(Set dst (LoadD_unaligned mem));
5536 ins_cost(MEMORY_REF_COST*2+DEFAULT_COST);
5537 size(8);
5538 format %{ "LDF $mem ,$dst.hi\t! misaligned double\n"
5539 "\tLDF $mem+4,$dst.lo\t!" %}
5540 opcode(Assembler::ldf_op3);
5541 ins_encode( form3_mem_reg_double_unaligned( mem, dst ));
5542 ins_pipe(iload_mem);
5543 %}
5545 // Load Float
5546 instruct loadF(regF dst, memory mem) %{
5547 match(Set dst (LoadF mem));
5548 ins_cost(MEMORY_REF_COST);
5550 size(4);
5551 format %{ "LDF $mem,$dst" %}
5552 opcode(Assembler::ldf_op3);
5553 ins_encode( form3_mem_reg( mem, dst ) );
5554 ins_pipe(floadF_mem);
5555 %}
5557 // Load Constant
5558 instruct loadConI( iRegI dst, immI src ) %{
5559 match(Set dst src);
5560 ins_cost(DEFAULT_COST * 3/2);
5561 format %{ "SET $src,$dst" %}
5562 ins_encode( Set32(src, dst) );
5563 ins_pipe(ialu_hi_lo_reg);
5564 %}
5566 instruct loadConI13( iRegI dst, immI13 src ) %{
5567 match(Set dst src);
5569 size(4);
5570 format %{ "MOV $src,$dst" %}
5571 ins_encode( Set13( src, dst ) );
5572 ins_pipe(ialu_imm);
5573 %}
5575 instruct loadConP(iRegP dst, immP src) %{
5576 match(Set dst src);
5577 ins_cost(DEFAULT_COST * 3/2);
5578 format %{ "SET $src,$dst\t!ptr" %}
5579 // This rule does not use "expand" unlike loadConI because then
5580 // the result type is not known to be an Oop. An ADLC
5581 // enhancement will be needed to make that work - not worth it!
5583 ins_encode( SetPtr( src, dst ) );
5584 ins_pipe(loadConP);
5586 %}
5588 instruct loadConP0(iRegP dst, immP0 src) %{
5589 match(Set dst src);
5591 size(4);
5592 format %{ "CLR $dst\t!ptr" %}
5593 ins_encode( SetNull( dst ) );
5594 ins_pipe(ialu_imm);
5595 %}
5597 instruct loadConP_poll(iRegP dst, immP_poll src) %{
5598 match(Set dst src);
5599 ins_cost(DEFAULT_COST);
5600 format %{ "SET $src,$dst\t!ptr" %}
5601 ins_encode %{
5602 Address polling_page(reg_to_register_object($dst$$reg), (address)os::get_polling_page());
5603 __ sethi(polling_page, false );
5604 %}
5605 ins_pipe(loadConP_poll);
5606 %}
5608 instruct loadConN0(iRegN dst, immN0 src) %{
5609 match(Set dst src);
5611 size(4);
5612 format %{ "CLR $dst\t! compressed NULL ptr" %}
5613 ins_encode( SetNull( dst ) );
5614 ins_pipe(ialu_imm);
5615 %}
5617 instruct loadConN(iRegN dst, immN src) %{
5618 match(Set dst src);
5619 ins_cost(DEFAULT_COST * 3/2);
5620 format %{ "SET $src,$dst\t! compressed ptr" %}
5621 ins_encode %{
5622 Register dst = $dst$$Register;
5623 __ set_narrow_oop((jobject)$src$$constant, dst);
5624 %}
5625 ins_pipe(ialu_hi_lo_reg);
5626 %}
5628 instruct loadConL(iRegL dst, immL src, o7RegL tmp) %{
5629 // %%% maybe this should work like loadConD
5630 match(Set dst src);
5631 effect(KILL tmp);
5632 ins_cost(DEFAULT_COST * 4);
5633 format %{ "SET64 $src,$dst KILL $tmp\t! long" %}
5634 ins_encode( LdImmL(src, dst, tmp) );
5635 ins_pipe(loadConL);
5636 %}
5638 instruct loadConL0( iRegL dst, immL0 src ) %{
5639 match(Set dst src);
5640 ins_cost(DEFAULT_COST);
5641 size(4);
5642 format %{ "CLR $dst\t! long" %}
5643 ins_encode( Set13( src, dst ) );
5644 ins_pipe(ialu_imm);
5645 %}
5647 instruct loadConL13( iRegL dst, immL13 src ) %{
5648 match(Set dst src);
5649 ins_cost(DEFAULT_COST * 2);
5651 size(4);
5652 format %{ "MOV $src,$dst\t! long" %}
5653 ins_encode( Set13( src, dst ) );
5654 ins_pipe(ialu_imm);
5655 %}
5657 instruct loadConF(regF dst, immF src, o7RegP tmp) %{
5658 match(Set dst src);
5659 effect(KILL tmp);
5661 #ifdef _LP64
5662 size(36);
5663 #else
5664 size(8);
5665 #endif
5667 format %{ "SETHI hi(&$src),$tmp\t!get float $src from table\n\t"
5668 "LDF [$tmp+lo(&$src)],$dst" %}
5669 ins_encode( LdImmF(src, dst, tmp) );
5670 ins_pipe(loadConFD);
5671 %}
5673 instruct loadConD(regD dst, immD src, o7RegP tmp) %{
5674 match(Set dst src);
5675 effect(KILL tmp);
5677 #ifdef _LP64
5678 size(36);
5679 #else
5680 size(8);
5681 #endif
5683 format %{ "SETHI hi(&$src),$tmp\t!get double $src from table\n\t"
5684 "LDDF [$tmp+lo(&$src)],$dst" %}
5685 ins_encode( LdImmD(src, dst, tmp) );
5686 ins_pipe(loadConFD);
5687 %}
5689 // Prefetch instructions.
5690 // Must be safe to execute with invalid address (cannot fault).
5692 instruct prefetchr( memory mem ) %{
5693 match( PrefetchRead mem );
5694 ins_cost(MEMORY_REF_COST);
5696 format %{ "PREFETCH $mem,0\t! Prefetch read-many" %}
5697 opcode(Assembler::prefetch_op3);
5698 ins_encode( form3_mem_prefetch_read( mem ) );
5699 ins_pipe(iload_mem);
5700 %}
5702 instruct prefetchw( memory mem ) %{
5703 match( PrefetchWrite mem );
5704 ins_cost(MEMORY_REF_COST);
5706 format %{ "PREFETCH $mem,2\t! Prefetch write-many (and read)" %}
5707 opcode(Assembler::prefetch_op3);
5708 ins_encode( form3_mem_prefetch_write( mem ) );
5709 ins_pipe(iload_mem);
5710 %}
5713 //----------Store Instructions-------------------------------------------------
5714 // Store Byte
5715 instruct storeB(memory mem, iRegI src) %{
5716 match(Set mem (StoreB mem src));
5717 ins_cost(MEMORY_REF_COST);
5719 size(4);
5720 format %{ "STB $src,$mem\t! byte" %}
5721 opcode(Assembler::stb_op3);
5722 ins_encode( form3_mem_reg( mem, src ) );
5723 ins_pipe(istore_mem_reg);
5724 %}
5726 instruct storeB0(memory mem, immI0 src) %{
5727 match(Set mem (StoreB mem src));
5728 ins_cost(MEMORY_REF_COST);
5730 size(4);
5731 format %{ "STB $src,$mem\t! byte" %}
5732 opcode(Assembler::stb_op3);
5733 ins_encode( form3_mem_reg( mem, R_G0 ) );
5734 ins_pipe(istore_mem_zero);
5735 %}
5737 instruct storeCM0(memory mem, immI0 src) %{
5738 match(Set mem (StoreCM mem src));
5739 ins_cost(MEMORY_REF_COST);
5741 size(4);
5742 format %{ "STB $src,$mem\t! CMS card-mark byte 0" %}
5743 opcode(Assembler::stb_op3);
5744 ins_encode( form3_mem_reg( mem, R_G0 ) );
5745 ins_pipe(istore_mem_zero);
5746 %}
5748 // Store Char/Short
5749 instruct storeC(memory mem, iRegI src) %{
5750 match(Set mem (StoreC mem src));
5751 ins_cost(MEMORY_REF_COST);
5753 size(4);
5754 format %{ "STH $src,$mem\t! short" %}
5755 opcode(Assembler::sth_op3);
5756 ins_encode( form3_mem_reg( mem, src ) );
5757 ins_pipe(istore_mem_reg);
5758 %}
5760 instruct storeC0(memory mem, immI0 src) %{
5761 match(Set mem (StoreC mem src));
5762 ins_cost(MEMORY_REF_COST);
5764 size(4);
5765 format %{ "STH $src,$mem\t! short" %}
5766 opcode(Assembler::sth_op3);
5767 ins_encode( form3_mem_reg( mem, R_G0 ) );
5768 ins_pipe(istore_mem_zero);
5769 %}
5771 // Store Integer
5772 instruct storeI(memory mem, iRegI src) %{
5773 match(Set mem (StoreI mem src));
5774 ins_cost(MEMORY_REF_COST);
5776 size(4);
5777 format %{ "STW $src,$mem" %}
5778 opcode(Assembler::stw_op3);
5779 ins_encode( form3_mem_reg( mem, src ) );
5780 ins_pipe(istore_mem_reg);
5781 %}
5783 // Store Long
5784 instruct storeL(memory mem, iRegL src) %{
5785 match(Set mem (StoreL mem src));
5786 ins_cost(MEMORY_REF_COST);
5787 size(4);
5788 format %{ "STX $src,$mem\t! long" %}
5789 opcode(Assembler::stx_op3);
5790 ins_encode( form3_mem_reg( mem, src ) );
5791 ins_pipe(istore_mem_reg);
5792 %}
5794 instruct storeI0(memory mem, immI0 src) %{
5795 match(Set mem (StoreI mem src));
5796 ins_cost(MEMORY_REF_COST);
5798 size(4);
5799 format %{ "STW $src,$mem" %}
5800 opcode(Assembler::stw_op3);
5801 ins_encode( form3_mem_reg( mem, R_G0 ) );
5802 ins_pipe(istore_mem_zero);
5803 %}
5805 instruct storeL0(memory mem, immL0 src) %{
5806 match(Set mem (StoreL mem src));
5807 ins_cost(MEMORY_REF_COST);
5809 size(4);
5810 format %{ "STX $src,$mem" %}
5811 opcode(Assembler::stx_op3);
5812 ins_encode( form3_mem_reg( mem, R_G0 ) );
5813 ins_pipe(istore_mem_zero);
5814 %}
5816 // Store Integer from float register (used after fstoi)
5817 instruct storeI_Freg(memory mem, regF src) %{
5818 match(Set mem (StoreI mem src));
5819 ins_cost(MEMORY_REF_COST);
5821 size(4);
5822 format %{ "STF $src,$mem\t! after fstoi/fdtoi" %}
5823 opcode(Assembler::stf_op3);
5824 ins_encode( form3_mem_reg( mem, src ) );
5825 ins_pipe(fstoreF_mem_reg);
5826 %}
5828 // Store Pointer
5829 instruct storeP(memory dst, sp_ptr_RegP src) %{
5830 match(Set dst (StoreP dst src));
5831 ins_cost(MEMORY_REF_COST);
5832 size(4);
5834 #ifndef _LP64
5835 format %{ "STW $src,$dst\t! ptr" %}
5836 opcode(Assembler::stw_op3, 0, REGP_OP);
5837 #else
5838 format %{ "STX $src,$dst\t! ptr" %}
5839 opcode(Assembler::stx_op3, 0, REGP_OP);
5840 #endif
5841 ins_encode( form3_mem_reg( dst, src ) );
5842 ins_pipe(istore_mem_spORreg);
5843 %}
5845 instruct storeP0(memory dst, immP0 src) %{
5846 match(Set dst (StoreP dst src));
5847 ins_cost(MEMORY_REF_COST);
5848 size(4);
5850 #ifndef _LP64
5851 format %{ "STW $src,$dst\t! ptr" %}
5852 opcode(Assembler::stw_op3, 0, REGP_OP);
5853 #else
5854 format %{ "STX $src,$dst\t! ptr" %}
5855 opcode(Assembler::stx_op3, 0, REGP_OP);
5856 #endif
5857 ins_encode( form3_mem_reg( dst, R_G0 ) );
5858 ins_pipe(istore_mem_zero);
5859 %}
5861 // Store Compressed Pointer
5862 instruct storeN(memory dst, iRegN src) %{
5863 match(Set dst (StoreN dst src));
5864 ins_cost(MEMORY_REF_COST);
5865 size(4);
5867 format %{ "STW $src,$dst\t! compressed ptr" %}
5868 ins_encode %{
5869 Register base = as_Register($dst$$base);
5870 Register index = as_Register($dst$$index);
5871 Register src = $src$$Register;
5872 if (index != G0) {
5873 __ stw(src, base, index);
5874 } else {
5875 __ stw(src, base, $dst$$disp);
5876 }
5877 %}
5878 ins_pipe(istore_mem_spORreg);
5879 %}
5881 instruct storeN0(memory dst, immN0 src) %{
5882 match(Set dst (StoreN dst src));
5883 ins_cost(MEMORY_REF_COST);
5884 size(4);
5886 format %{ "STW $src,$dst\t! compressed ptr" %}
5887 ins_encode %{
5888 Register base = as_Register($dst$$base);
5889 Register index = as_Register($dst$$index);
5890 if (index != G0) {
5891 __ stw(0, base, index);
5892 } else {
5893 __ stw(0, base, $dst$$disp);
5894 }
5895 %}
5896 ins_pipe(istore_mem_zero);
5897 %}
5899 // Store Double
5900 instruct storeD( memory mem, regD src) %{
5901 match(Set mem (StoreD mem src));
5902 ins_cost(MEMORY_REF_COST);
5904 size(4);
5905 format %{ "STDF $src,$mem" %}
5906 opcode(Assembler::stdf_op3);
5907 ins_encode( form3_mem_reg( mem, src ) );
5908 ins_pipe(fstoreD_mem_reg);
5909 %}
5911 instruct storeD0( memory mem, immD0 src) %{
5912 match(Set mem (StoreD mem src));
5913 ins_cost(MEMORY_REF_COST);
5915 size(4);
5916 format %{ "STX $src,$mem" %}
5917 opcode(Assembler::stx_op3);
5918 ins_encode( form3_mem_reg( mem, R_G0 ) );
5919 ins_pipe(fstoreD_mem_zero);
5920 %}
5922 // Store Float
5923 instruct storeF( memory mem, regF src) %{
5924 match(Set mem (StoreF mem src));
5925 ins_cost(MEMORY_REF_COST);
5927 size(4);
5928 format %{ "STF $src,$mem" %}
5929 opcode(Assembler::stf_op3);
5930 ins_encode( form3_mem_reg( mem, src ) );
5931 ins_pipe(fstoreF_mem_reg);
5932 %}
5934 instruct storeF0( memory mem, immF0 src) %{
5935 match(Set mem (StoreF mem src));
5936 ins_cost(MEMORY_REF_COST);
5938 size(4);
5939 format %{ "STW $src,$mem\t! storeF0" %}
5940 opcode(Assembler::stw_op3);
5941 ins_encode( form3_mem_reg( mem, R_G0 ) );
5942 ins_pipe(fstoreF_mem_zero);
5943 %}
5945 // Store Aligned Packed Bytes in Double register to memory
5946 instruct storeA8B(memory mem, regD src) %{
5947 match(Set mem (Store8B mem src));
5948 ins_cost(MEMORY_REF_COST);
5949 size(4);
5950 format %{ "STDF $src,$mem\t! packed8B" %}
5951 opcode(Assembler::stdf_op3);
5952 ins_encode( form3_mem_reg( mem, src ) );
5953 ins_pipe(fstoreD_mem_reg);
5954 %}
5956 // Convert oop pointer into compressed form
5957 instruct encodeHeapOop(iRegN dst, iRegP src) %{
5958 predicate(n->bottom_type()->is_narrowoop()->make_oopptr()->ptr() != TypePtr::NotNull);
5959 match(Set dst (EncodeP src));
5960 format %{ "encode_heap_oop $src, $dst" %}
5961 ins_encode %{
5962 __ encode_heap_oop($src$$Register, $dst$$Register);
5963 %}
5964 ins_pipe(ialu_reg);
5965 %}
5967 instruct encodeHeapOop_not_null(iRegN dst, iRegP src) %{
5968 predicate(n->bottom_type()->is_narrowoop()->make_oopptr()->ptr() == TypePtr::NotNull);
5969 match(Set dst (EncodeP src));
5970 format %{ "encode_heap_oop_not_null $src, $dst" %}
5971 ins_encode %{
5972 __ encode_heap_oop_not_null($src$$Register, $dst$$Register);
5973 %}
5974 ins_pipe(ialu_reg);
5975 %}
5977 instruct decodeHeapOop(iRegP dst, iRegN src) %{
5978 predicate(n->bottom_type()->is_oopptr()->ptr() != TypePtr::NotNull);
5979 match(Set dst (DecodeN src));
5980 format %{ "decode_heap_oop $src, $dst" %}
5981 ins_encode %{
5982 __ decode_heap_oop($src$$Register, $dst$$Register);
5983 %}
5984 ins_pipe(ialu_reg);
5985 %}
5987 instruct decodeHeapOop_not_null(iRegP dst, iRegN src) %{
5988 predicate(n->bottom_type()->is_oopptr()->ptr() == TypePtr::NotNull);
5989 match(Set dst (DecodeN src));
5990 format %{ "decode_heap_oop_not_null $src, $dst" %}
5991 ins_encode %{
5992 __ decode_heap_oop_not_null($src$$Register, $dst$$Register);
5993 %}
5994 ins_pipe(ialu_reg);
5995 %}
5998 // Store Zero into Aligned Packed Bytes
5999 instruct storeA8B0(memory mem, immI0 zero) %{
6000 match(Set mem (Store8B mem zero));
6001 ins_cost(MEMORY_REF_COST);
6002 size(4);
6003 format %{ "STX $zero,$mem\t! packed8B" %}
6004 opcode(Assembler::stx_op3);
6005 ins_encode( form3_mem_reg( mem, R_G0 ) );
6006 ins_pipe(fstoreD_mem_zero);
6007 %}
6009 // Store Aligned Packed Chars/Shorts in Double register to memory
6010 instruct storeA4C(memory mem, regD src) %{
6011 match(Set mem (Store4C mem src));
6012 ins_cost(MEMORY_REF_COST);
6013 size(4);
6014 format %{ "STDF $src,$mem\t! packed4C" %}
6015 opcode(Assembler::stdf_op3);
6016 ins_encode( form3_mem_reg( mem, src ) );
6017 ins_pipe(fstoreD_mem_reg);
6018 %}
6020 // Store Zero into Aligned Packed Chars/Shorts
6021 instruct storeA4C0(memory mem, immI0 zero) %{
6022 match(Set mem (Store4C mem (Replicate4C zero)));
6023 ins_cost(MEMORY_REF_COST);
6024 size(4);
6025 format %{ "STX $zero,$mem\t! packed4C" %}
6026 opcode(Assembler::stx_op3);
6027 ins_encode( form3_mem_reg( mem, R_G0 ) );
6028 ins_pipe(fstoreD_mem_zero);
6029 %}
6031 // Store Aligned Packed Ints in Double register to memory
6032 instruct storeA2I(memory mem, regD src) %{
6033 match(Set mem (Store2I mem src));
6034 ins_cost(MEMORY_REF_COST);
6035 size(4);
6036 format %{ "STDF $src,$mem\t! packed2I" %}
6037 opcode(Assembler::stdf_op3);
6038 ins_encode( form3_mem_reg( mem, src ) );
6039 ins_pipe(fstoreD_mem_reg);
6040 %}
6042 // Store Zero into Aligned Packed Ints
6043 instruct storeA2I0(memory mem, immI0 zero) %{
6044 match(Set mem (Store2I mem zero));
6045 ins_cost(MEMORY_REF_COST);
6046 size(4);
6047 format %{ "STX $zero,$mem\t! packed2I" %}
6048 opcode(Assembler::stx_op3);
6049 ins_encode( form3_mem_reg( mem, R_G0 ) );
6050 ins_pipe(fstoreD_mem_zero);
6051 %}
6054 //----------MemBar Instructions-----------------------------------------------
6055 // Memory barrier flavors
6057 instruct membar_acquire() %{
6058 match(MemBarAcquire);
6059 ins_cost(4*MEMORY_REF_COST);
6061 size(0);
6062 format %{ "MEMBAR-acquire" %}
6063 ins_encode( enc_membar_acquire );
6064 ins_pipe(long_memory_op);
6065 %}
6067 instruct membar_acquire_lock() %{
6068 match(MemBarAcquire);
6069 predicate(Matcher::prior_fast_lock(n));
6070 ins_cost(0);
6072 size(0);
6073 format %{ "!MEMBAR-acquire (CAS in prior FastLock so empty encoding)" %}
6074 ins_encode( );
6075 ins_pipe(empty);
6076 %}
6078 instruct membar_release() %{
6079 match(MemBarRelease);
6080 ins_cost(4*MEMORY_REF_COST);
6082 size(0);
6083 format %{ "MEMBAR-release" %}
6084 ins_encode( enc_membar_release );
6085 ins_pipe(long_memory_op);
6086 %}
6088 instruct membar_release_lock() %{
6089 match(MemBarRelease);
6090 predicate(Matcher::post_fast_unlock(n));
6091 ins_cost(0);
6093 size(0);
6094 format %{ "!MEMBAR-release (CAS in succeeding FastUnlock so empty encoding)" %}
6095 ins_encode( );
6096 ins_pipe(empty);
6097 %}
6099 instruct membar_volatile() %{
6100 match(MemBarVolatile);
6101 ins_cost(4*MEMORY_REF_COST);
6103 size(4);
6104 format %{ "MEMBAR-volatile" %}
6105 ins_encode( enc_membar_volatile );
6106 ins_pipe(long_memory_op);
6107 %}
6109 instruct unnecessary_membar_volatile() %{
6110 match(MemBarVolatile);
6111 predicate(Matcher::post_store_load_barrier(n));
6112 ins_cost(0);
6114 size(0);
6115 format %{ "!MEMBAR-volatile (unnecessary so empty encoding)" %}
6116 ins_encode( );
6117 ins_pipe(empty);
6118 %}
6120 //----------Register Move Instructions-----------------------------------------
6121 instruct roundDouble_nop(regD dst) %{
6122 match(Set dst (RoundDouble dst));
6123 ins_cost(0);
6124 // SPARC results are already "rounded" (i.e., normal-format IEEE)
6125 ins_encode( );
6126 ins_pipe(empty);
6127 %}
6130 instruct roundFloat_nop(regF dst) %{
6131 match(Set dst (RoundFloat dst));
6132 ins_cost(0);
6133 // SPARC results are already "rounded" (i.e., normal-format IEEE)
6134 ins_encode( );
6135 ins_pipe(empty);
6136 %}
6139 // Cast Index to Pointer for unsafe natives
6140 instruct castX2P(iRegX src, iRegP dst) %{
6141 match(Set dst (CastX2P src));
6143 format %{ "MOV $src,$dst\t! IntX->Ptr" %}
6144 ins_encode( form3_g0_rs2_rd_move( src, dst ) );
6145 ins_pipe(ialu_reg);
6146 %}
6148 // Cast Pointer to Index for unsafe natives
6149 instruct castP2X(iRegP src, iRegX dst) %{
6150 match(Set dst (CastP2X src));
6152 format %{ "MOV $src,$dst\t! Ptr->IntX" %}
6153 ins_encode( form3_g0_rs2_rd_move( src, dst ) );
6154 ins_pipe(ialu_reg);
6155 %}
6157 instruct stfSSD(stackSlotD stkSlot, regD src) %{
6158 // %%%% TO DO: Tell the coalescer that this kind of node is a copy!
6159 match(Set stkSlot src); // chain rule
6160 ins_cost(MEMORY_REF_COST);
6161 format %{ "STDF $src,$stkSlot\t!stk" %}
6162 opcode(Assembler::stdf_op3);
6163 ins_encode(form3_mem_reg(stkSlot, src));
6164 ins_pipe(fstoreD_stk_reg);
6165 %}
6167 instruct ldfSSD(regD dst, stackSlotD stkSlot) %{
6168 // %%%% TO DO: Tell the coalescer that this kind of node is a copy!
6169 match(Set dst stkSlot); // chain rule
6170 ins_cost(MEMORY_REF_COST);
6171 format %{ "LDDF $stkSlot,$dst\t!stk" %}
6172 opcode(Assembler::lddf_op3);
6173 ins_encode(form3_mem_reg(stkSlot, dst));
6174 ins_pipe(floadD_stk);
6175 %}
6177 instruct stfSSF(stackSlotF stkSlot, regF src) %{
6178 // %%%% TO DO: Tell the coalescer that this kind of node is a copy!
6179 match(Set stkSlot src); // chain rule
6180 ins_cost(MEMORY_REF_COST);
6181 format %{ "STF $src,$stkSlot\t!stk" %}
6182 opcode(Assembler::stf_op3);
6183 ins_encode(form3_mem_reg(stkSlot, src));
6184 ins_pipe(fstoreF_stk_reg);
6185 %}
6187 //----------Conditional Move---------------------------------------------------
6188 // Conditional move
6189 instruct cmovIP_reg(cmpOpP cmp, flagsRegP pcc, iRegI dst, iRegI src) %{
6190 match(Set dst (CMoveI (Binary cmp pcc) (Binary dst src)));
6191 ins_cost(150);
6192 format %{ "MOV$cmp $pcc,$src,$dst" %}
6193 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6194 ins_pipe(ialu_reg);
6195 %}
6197 instruct cmovIP_imm(cmpOpP cmp, flagsRegP pcc, iRegI dst, immI11 src) %{
6198 match(Set dst (CMoveI (Binary cmp pcc) (Binary dst src)));
6199 ins_cost(140);
6200 format %{ "MOV$cmp $pcc,$src,$dst" %}
6201 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) );
6202 ins_pipe(ialu_imm);
6203 %}
6205 instruct cmovII_reg(cmpOp cmp, flagsReg icc, iRegI dst, iRegI src) %{
6206 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6207 ins_cost(150);
6208 size(4);
6209 format %{ "MOV$cmp $icc,$src,$dst" %}
6210 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6211 ins_pipe(ialu_reg);
6212 %}
6214 instruct cmovII_imm(cmpOp cmp, flagsReg icc, iRegI dst, immI11 src) %{
6215 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6216 ins_cost(140);
6217 size(4);
6218 format %{ "MOV$cmp $icc,$src,$dst" %}
6219 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) );
6220 ins_pipe(ialu_imm);
6221 %}
6223 instruct cmovII_U_reg(cmpOpU cmp, flagsRegU icc, iRegI dst, iRegI src) %{
6224 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6225 ins_cost(150);
6226 size(4);
6227 format %{ "MOV$cmp $icc,$src,$dst" %}
6228 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6229 ins_pipe(ialu_reg);
6230 %}
6232 instruct cmovII_U_imm(cmpOpU cmp, flagsRegU icc, iRegI dst, immI11 src) %{
6233 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6234 ins_cost(140);
6235 size(4);
6236 format %{ "MOV$cmp $icc,$src,$dst" %}
6237 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) );
6238 ins_pipe(ialu_imm);
6239 %}
6241 instruct cmovIF_reg(cmpOpF cmp, flagsRegF fcc, iRegI dst, iRegI src) %{
6242 match(Set dst (CMoveI (Binary cmp fcc) (Binary dst src)));
6243 ins_cost(150);
6244 size(4);
6245 format %{ "MOV$cmp $fcc,$src,$dst" %}
6246 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6247 ins_pipe(ialu_reg);
6248 %}
6250 instruct cmovIF_imm(cmpOpF cmp, flagsRegF fcc, iRegI dst, immI11 src) %{
6251 match(Set dst (CMoveI (Binary cmp fcc) (Binary dst src)));
6252 ins_cost(140);
6253 size(4);
6254 format %{ "MOV$cmp $fcc,$src,$dst" %}
6255 ins_encode( enc_cmov_imm_f(cmp,dst,src, fcc) );
6256 ins_pipe(ialu_imm);
6257 %}
6259 // Conditional move for RegN. Only cmov(reg,reg).
6260 instruct cmovNP_reg(cmpOpP cmp, flagsRegP pcc, iRegN dst, iRegN src) %{
6261 match(Set dst (CMoveN (Binary cmp pcc) (Binary dst src)));
6262 ins_cost(150);
6263 format %{ "MOV$cmp $pcc,$src,$dst" %}
6264 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6265 ins_pipe(ialu_reg);
6266 %}
6268 // This instruction also works with CmpN so we don't need cmovNN_reg.
6269 instruct cmovNI_reg(cmpOp cmp, flagsReg icc, iRegN dst, iRegN src) %{
6270 match(Set dst (CMoveN (Binary cmp icc) (Binary dst src)));
6271 ins_cost(150);
6272 size(4);
6273 format %{ "MOV$cmp $icc,$src,$dst" %}
6274 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6275 ins_pipe(ialu_reg);
6276 %}
6278 instruct cmovNF_reg(cmpOpF cmp, flagsRegF fcc, iRegN dst, iRegN src) %{
6279 match(Set dst (CMoveN (Binary cmp fcc) (Binary dst src)));
6280 ins_cost(150);
6281 size(4);
6282 format %{ "MOV$cmp $fcc,$src,$dst" %}
6283 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6284 ins_pipe(ialu_reg);
6285 %}
6287 // Conditional move
6288 instruct cmovPP_reg(cmpOpP cmp, flagsRegP pcc, iRegP dst, iRegP src) %{
6289 match(Set dst (CMoveP (Binary cmp pcc) (Binary dst src)));
6290 ins_cost(150);
6291 format %{ "MOV$cmp $pcc,$src,$dst\t! ptr" %}
6292 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6293 ins_pipe(ialu_reg);
6294 %}
6296 instruct cmovPP_imm(cmpOpP cmp, flagsRegP pcc, iRegP dst, immP0 src) %{
6297 match(Set dst (CMoveP (Binary cmp pcc) (Binary dst src)));
6298 ins_cost(140);
6299 format %{ "MOV$cmp $pcc,$src,$dst\t! ptr" %}
6300 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) );
6301 ins_pipe(ialu_imm);
6302 %}
6304 // This instruction also works with CmpN so we don't need cmovPN_reg.
6305 instruct cmovPI_reg(cmpOp cmp, flagsReg icc, iRegP dst, iRegP src) %{
6306 match(Set dst (CMoveP (Binary cmp icc) (Binary dst src)));
6307 ins_cost(150);
6309 size(4);
6310 format %{ "MOV$cmp $icc,$src,$dst\t! ptr" %}
6311 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6312 ins_pipe(ialu_reg);
6313 %}
6315 instruct cmovPI_imm(cmpOp cmp, flagsReg icc, iRegP dst, immP0 src) %{
6316 match(Set dst (CMoveP (Binary cmp icc) (Binary dst src)));
6317 ins_cost(140);
6319 size(4);
6320 format %{ "MOV$cmp $icc,$src,$dst\t! ptr" %}
6321 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) );
6322 ins_pipe(ialu_imm);
6323 %}
6325 instruct cmovPF_reg(cmpOpF cmp, flagsRegF fcc, iRegP dst, iRegP src) %{
6326 match(Set dst (CMoveP (Binary cmp fcc) (Binary dst src)));
6327 ins_cost(150);
6328 size(4);
6329 format %{ "MOV$cmp $fcc,$src,$dst" %}
6330 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6331 ins_pipe(ialu_imm);
6332 %}
6334 instruct cmovPF_imm(cmpOpF cmp, flagsRegF fcc, iRegP dst, immP0 src) %{
6335 match(Set dst (CMoveP (Binary cmp fcc) (Binary dst src)));
6336 ins_cost(140);
6337 size(4);
6338 format %{ "MOV$cmp $fcc,$src,$dst" %}
6339 ins_encode( enc_cmov_imm_f(cmp,dst,src, fcc) );
6340 ins_pipe(ialu_imm);
6341 %}
6343 // Conditional move
6344 instruct cmovFP_reg(cmpOpP cmp, flagsRegP pcc, regF dst, regF src) %{
6345 match(Set dst (CMoveF (Binary cmp pcc) (Binary dst src)));
6346 ins_cost(150);
6347 opcode(0x101);
6348 format %{ "FMOVD$cmp $pcc,$src,$dst" %}
6349 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6350 ins_pipe(int_conditional_float_move);
6351 %}
6353 instruct cmovFI_reg(cmpOp cmp, flagsReg icc, regF dst, regF src) %{
6354 match(Set dst (CMoveF (Binary cmp icc) (Binary dst src)));
6355 ins_cost(150);
6357 size(4);
6358 format %{ "FMOVS$cmp $icc,$src,$dst" %}
6359 opcode(0x101);
6360 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::icc)) );
6361 ins_pipe(int_conditional_float_move);
6362 %}
6364 // Conditional move,
6365 instruct cmovFF_reg(cmpOpF cmp, flagsRegF fcc, regF dst, regF src) %{
6366 match(Set dst (CMoveF (Binary cmp fcc) (Binary dst src)));
6367 ins_cost(150);
6368 size(4);
6369 format %{ "FMOVF$cmp $fcc,$src,$dst" %}
6370 opcode(0x1);
6371 ins_encode( enc_cmovff_reg(cmp,fcc,dst,src) );
6372 ins_pipe(int_conditional_double_move);
6373 %}
6375 // Conditional move
6376 instruct cmovDP_reg(cmpOpP cmp, flagsRegP pcc, regD dst, regD src) %{
6377 match(Set dst (CMoveD (Binary cmp pcc) (Binary dst src)));
6378 ins_cost(150);
6379 size(4);
6380 opcode(0x102);
6381 format %{ "FMOVD$cmp $pcc,$src,$dst" %}
6382 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6383 ins_pipe(int_conditional_double_move);
6384 %}
6386 instruct cmovDI_reg(cmpOp cmp, flagsReg icc, regD dst, regD src) %{
6387 match(Set dst (CMoveD (Binary cmp icc) (Binary dst src)));
6388 ins_cost(150);
6390 size(4);
6391 format %{ "FMOVD$cmp $icc,$src,$dst" %}
6392 opcode(0x102);
6393 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::icc)) );
6394 ins_pipe(int_conditional_double_move);
6395 %}
6397 // Conditional move,
6398 instruct cmovDF_reg(cmpOpF cmp, flagsRegF fcc, regD dst, regD src) %{
6399 match(Set dst (CMoveD (Binary cmp fcc) (Binary dst src)));
6400 ins_cost(150);
6401 size(4);
6402 format %{ "FMOVD$cmp $fcc,$src,$dst" %}
6403 opcode(0x2);
6404 ins_encode( enc_cmovff_reg(cmp,fcc,dst,src) );
6405 ins_pipe(int_conditional_double_move);
6406 %}
6408 // Conditional move
6409 instruct cmovLP_reg(cmpOpP cmp, flagsRegP pcc, iRegL dst, iRegL src) %{
6410 match(Set dst (CMoveL (Binary cmp pcc) (Binary dst src)));
6411 ins_cost(150);
6412 format %{ "MOV$cmp $pcc,$src,$dst\t! long" %}
6413 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6414 ins_pipe(ialu_reg);
6415 %}
6417 instruct cmovLP_imm(cmpOpP cmp, flagsRegP pcc, iRegL dst, immI11 src) %{
6418 match(Set dst (CMoveL (Binary cmp pcc) (Binary dst src)));
6419 ins_cost(140);
6420 format %{ "MOV$cmp $pcc,$src,$dst\t! long" %}
6421 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) );
6422 ins_pipe(ialu_imm);
6423 %}
6425 instruct cmovLI_reg(cmpOp cmp, flagsReg icc, iRegL dst, iRegL src) %{
6426 match(Set dst (CMoveL (Binary cmp icc) (Binary dst src)));
6427 ins_cost(150);
6429 size(4);
6430 format %{ "MOV$cmp $icc,$src,$dst\t! long" %}
6431 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6432 ins_pipe(ialu_reg);
6433 %}
6436 instruct cmovLF_reg(cmpOpF cmp, flagsRegF fcc, iRegL dst, iRegL src) %{
6437 match(Set dst (CMoveL (Binary cmp fcc) (Binary dst src)));
6438 ins_cost(150);
6440 size(4);
6441 format %{ "MOV$cmp $fcc,$src,$dst\t! long" %}
6442 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6443 ins_pipe(ialu_reg);
6444 %}
6448 //----------OS and Locking Instructions----------------------------------------
6450 // This name is KNOWN by the ADLC and cannot be changed.
6451 // The ADLC forces a 'TypeRawPtr::BOTTOM' output type
6452 // for this guy.
6453 instruct tlsLoadP(g2RegP dst) %{
6454 match(Set dst (ThreadLocal));
6456 size(0);
6457 ins_cost(0);
6458 format %{ "# TLS is in G2" %}
6459 ins_encode( /*empty encoding*/ );
6460 ins_pipe(ialu_none);
6461 %}
6463 instruct checkCastPP( iRegP dst ) %{
6464 match(Set dst (CheckCastPP dst));
6466 size(0);
6467 format %{ "# checkcastPP of $dst" %}
6468 ins_encode( /*empty encoding*/ );
6469 ins_pipe(empty);
6470 %}
6473 instruct castPP( iRegP dst ) %{
6474 match(Set dst (CastPP dst));
6475 format %{ "# castPP of $dst" %}
6476 ins_encode( /*empty encoding*/ );
6477 ins_pipe(empty);
6478 %}
6480 instruct castII( iRegI dst ) %{
6481 match(Set dst (CastII dst));
6482 format %{ "# castII of $dst" %}
6483 ins_encode( /*empty encoding*/ );
6484 ins_cost(0);
6485 ins_pipe(empty);
6486 %}
6488 //----------Arithmetic Instructions--------------------------------------------
6489 // Addition Instructions
6490 // Register Addition
6491 instruct addI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
6492 match(Set dst (AddI src1 src2));
6494 size(4);
6495 format %{ "ADD $src1,$src2,$dst" %}
6496 ins_encode %{
6497 __ add($src1$$Register, $src2$$Register, $dst$$Register);
6498 %}
6499 ins_pipe(ialu_reg_reg);
6500 %}
6502 // Immediate Addition
6503 instruct addI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
6504 match(Set dst (AddI src1 src2));
6506 size(4);
6507 format %{ "ADD $src1,$src2,$dst" %}
6508 opcode(Assembler::add_op3, Assembler::arith_op);
6509 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6510 ins_pipe(ialu_reg_imm);
6511 %}
6513 // Pointer Register Addition
6514 instruct addP_reg_reg(iRegP dst, iRegP src1, iRegX src2) %{
6515 match(Set dst (AddP src1 src2));
6517 size(4);
6518 format %{ "ADD $src1,$src2,$dst" %}
6519 opcode(Assembler::add_op3, Assembler::arith_op);
6520 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6521 ins_pipe(ialu_reg_reg);
6522 %}
6524 // Pointer Immediate Addition
6525 instruct addP_reg_imm13(iRegP dst, iRegP src1, immX13 src2) %{
6526 match(Set dst (AddP src1 src2));
6528 size(4);
6529 format %{ "ADD $src1,$src2,$dst" %}
6530 opcode(Assembler::add_op3, Assembler::arith_op);
6531 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6532 ins_pipe(ialu_reg_imm);
6533 %}
6535 // Long Addition
6536 instruct addL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6537 match(Set dst (AddL src1 src2));
6539 size(4);
6540 format %{ "ADD $src1,$src2,$dst\t! long" %}
6541 opcode(Assembler::add_op3, Assembler::arith_op);
6542 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6543 ins_pipe(ialu_reg_reg);
6544 %}
6546 instruct addL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
6547 match(Set dst (AddL src1 con));
6549 size(4);
6550 format %{ "ADD $src1,$con,$dst" %}
6551 opcode(Assembler::add_op3, Assembler::arith_op);
6552 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
6553 ins_pipe(ialu_reg_imm);
6554 %}
6556 //----------Conditional_store--------------------------------------------------
6557 // Conditional-store of the updated heap-top.
6558 // Used during allocation of the shared heap.
6559 // Sets flags (EQ) on success. Implemented with a CASA on Sparc.
6561 // LoadP-locked. Same as a regular pointer load when used with a compare-swap
6562 instruct loadPLocked(iRegP dst, memory mem) %{
6563 match(Set dst (LoadPLocked mem));
6564 ins_cost(MEMORY_REF_COST);
6566 #ifndef _LP64
6567 size(4);
6568 format %{ "LDUW $mem,$dst\t! ptr" %}
6569 opcode(Assembler::lduw_op3, 0, REGP_OP);
6570 #else
6571 format %{ "LDX $mem,$dst\t! ptr" %}
6572 opcode(Assembler::ldx_op3, 0, REGP_OP);
6573 #endif
6574 ins_encode( form3_mem_reg( mem, dst ) );
6575 ins_pipe(iload_mem);
6576 %}
6578 // LoadL-locked. Same as a regular long load when used with a compare-swap
6579 instruct loadLLocked(iRegL dst, memory mem) %{
6580 match(Set dst (LoadLLocked mem));
6581 ins_cost(MEMORY_REF_COST);
6582 size(4);
6583 format %{ "LDX $mem,$dst\t! long" %}
6584 opcode(Assembler::ldx_op3);
6585 ins_encode( form3_mem_reg( mem, dst ) );
6586 ins_pipe(iload_mem);
6587 %}
6589 instruct storePConditional( iRegP heap_top_ptr, iRegP oldval, g3RegP newval, flagsRegP pcc ) %{
6590 match(Set pcc (StorePConditional heap_top_ptr (Binary oldval newval)));
6591 effect( KILL newval );
6592 format %{ "CASA [$heap_top_ptr],$oldval,R_G3\t! If $oldval==[$heap_top_ptr] Then store R_G3 into [$heap_top_ptr], set R_G3=[$heap_top_ptr] in any case\n\t"
6593 "CMP R_G3,$oldval\t\t! See if we made progress" %}
6594 ins_encode( enc_cas(heap_top_ptr,oldval,newval) );
6595 ins_pipe( long_memory_op );
6596 %}
6598 instruct storeLConditional_bool(iRegP mem_ptr, iRegL oldval, iRegL newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6599 match(Set res (StoreLConditional mem_ptr (Binary oldval newval)));
6600 effect( USE mem_ptr, KILL ccr, KILL tmp1);
6601 // Marshal the register pairs into V9 64-bit registers, then do the compare-and-swap
6602 format %{
6603 "MOV $newval,R_O7\n\t"
6604 "CASXA [$mem_ptr],$oldval,R_O7\t! If $oldval==[$mem_ptr] Then store R_O7 into [$mem_ptr], set R_O7=[$mem_ptr] in any case\n\t"
6605 "CMP $oldval,R_O7\t\t! See if we made progress\n\t"
6606 "MOV 1,$res\n\t"
6607 "MOVne xcc,R_G0,$res"
6608 %}
6609 ins_encode( enc_casx(mem_ptr, oldval, newval),
6610 enc_lflags_ne_to_boolean(res) );
6611 ins_pipe( long_memory_op );
6612 %}
6614 instruct storeLConditional_flags(iRegP mem_ptr, iRegL oldval, iRegL newval, flagsRegL xcc, o7RegI tmp1, immI0 zero) %{
6615 match(Set xcc (CmpI (StoreLConditional mem_ptr (Binary oldval newval)) zero));
6616 effect( USE mem_ptr, KILL tmp1);
6617 // Marshal the register pairs into V9 64-bit registers, then do the compare-and-swap
6618 format %{
6619 "MOV $newval,R_O7\n\t"
6620 "CASXA [$mem_ptr],$oldval,R_O7\t! If $oldval==[$mem_ptr] Then store R_O7 into [$mem_ptr], set R_O7=[$mem_ptr] in any case\n\t"
6621 "CMP $oldval,R_O7\t\t! See if we made progress"
6622 %}
6623 ins_encode( enc_casx(mem_ptr, oldval, newval));
6624 ins_pipe( long_memory_op );
6625 %}
6627 // No flag versions for CompareAndSwap{P,I,L} because matcher can't match them
6629 instruct compareAndSwapL_bool(iRegP mem_ptr, iRegL oldval, iRegL newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6630 match(Set res (CompareAndSwapL mem_ptr (Binary oldval newval)));
6631 effect( USE mem_ptr, KILL ccr, KILL tmp1);
6632 format %{
6633 "MOV $newval,O7\n\t"
6634 "CASXA [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6635 "CMP $oldval,O7\t\t! See if we made progress\n\t"
6636 "MOV 1,$res\n\t"
6637 "MOVne xcc,R_G0,$res"
6638 %}
6639 ins_encode( enc_casx(mem_ptr, oldval, newval),
6640 enc_lflags_ne_to_boolean(res) );
6641 ins_pipe( long_memory_op );
6642 %}
6645 instruct compareAndSwapI_bool(iRegP mem_ptr, iRegI oldval, iRegI newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6646 match(Set res (CompareAndSwapI mem_ptr (Binary oldval newval)));
6647 effect( USE mem_ptr, KILL ccr, KILL tmp1);
6648 format %{
6649 "MOV $newval,O7\n\t"
6650 "CASA [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6651 "CMP $oldval,O7\t\t! See if we made progress\n\t"
6652 "MOV 1,$res\n\t"
6653 "MOVne icc,R_G0,$res"
6654 %}
6655 ins_encode( enc_casi(mem_ptr, oldval, newval),
6656 enc_iflags_ne_to_boolean(res) );
6657 ins_pipe( long_memory_op );
6658 %}
6660 instruct compareAndSwapP_bool(iRegP mem_ptr, iRegP oldval, iRegP newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6661 match(Set res (CompareAndSwapP mem_ptr (Binary oldval newval)));
6662 effect( USE mem_ptr, KILL ccr, KILL tmp1);
6663 format %{
6664 "MOV $newval,O7\n\t"
6665 "CASA_PTR [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6666 "CMP $oldval,O7\t\t! See if we made progress\n\t"
6667 "MOV 1,$res\n\t"
6668 "MOVne xcc,R_G0,$res"
6669 %}
6670 #ifdef _LP64
6671 ins_encode( enc_casx(mem_ptr, oldval, newval),
6672 enc_lflags_ne_to_boolean(res) );
6673 #else
6674 ins_encode( enc_casi(mem_ptr, oldval, newval),
6675 enc_iflags_ne_to_boolean(res) );
6676 #endif
6677 ins_pipe( long_memory_op );
6678 %}
6680 instruct compareAndSwapN_bool(iRegP mem_ptr, iRegN oldval, iRegN newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6681 match(Set res (CompareAndSwapN mem_ptr (Binary oldval newval)));
6682 effect( USE mem_ptr, KILL ccr, KILL tmp1);
6683 format %{
6684 "MOV $newval,O7\n\t"
6685 "CASA [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6686 "CMP $oldval,O7\t\t! See if we made progress\n\t"
6687 "MOV 1,$res\n\t"
6688 "MOVne icc,R_G0,$res"
6689 %}
6690 ins_encode( enc_casi(mem_ptr, oldval, newval),
6691 enc_iflags_ne_to_boolean(res) );
6692 ins_pipe( long_memory_op );
6693 %}
6695 //---------------------
6696 // Subtraction Instructions
6697 // Register Subtraction
6698 instruct subI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
6699 match(Set dst (SubI src1 src2));
6701 size(4);
6702 format %{ "SUB $src1,$src2,$dst" %}
6703 opcode(Assembler::sub_op3, Assembler::arith_op);
6704 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6705 ins_pipe(ialu_reg_reg);
6706 %}
6708 // Immediate Subtraction
6709 instruct subI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
6710 match(Set dst (SubI src1 src2));
6712 size(4);
6713 format %{ "SUB $src1,$src2,$dst" %}
6714 opcode(Assembler::sub_op3, Assembler::arith_op);
6715 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6716 ins_pipe(ialu_reg_imm);
6717 %}
6719 instruct subI_zero_reg(iRegI dst, immI0 zero, iRegI src2) %{
6720 match(Set dst (SubI zero src2));
6722 size(4);
6723 format %{ "NEG $src2,$dst" %}
6724 opcode(Assembler::sub_op3, Assembler::arith_op);
6725 ins_encode( form3_rs1_rs2_rd( R_G0, src2, dst ) );
6726 ins_pipe(ialu_zero_reg);
6727 %}
6729 // Long subtraction
6730 instruct subL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6731 match(Set dst (SubL src1 src2));
6733 size(4);
6734 format %{ "SUB $src1,$src2,$dst\t! long" %}
6735 opcode(Assembler::sub_op3, Assembler::arith_op);
6736 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6737 ins_pipe(ialu_reg_reg);
6738 %}
6740 // Immediate Subtraction
6741 instruct subL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
6742 match(Set dst (SubL src1 con));
6744 size(4);
6745 format %{ "SUB $src1,$con,$dst\t! long" %}
6746 opcode(Assembler::sub_op3, Assembler::arith_op);
6747 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
6748 ins_pipe(ialu_reg_imm);
6749 %}
6751 // Long negation
6752 instruct negL_reg_reg(iRegL dst, immL0 zero, iRegL src2) %{
6753 match(Set dst (SubL zero src2));
6755 size(4);
6756 format %{ "NEG $src2,$dst\t! long" %}
6757 opcode(Assembler::sub_op3, Assembler::arith_op);
6758 ins_encode( form3_rs1_rs2_rd( R_G0, src2, dst ) );
6759 ins_pipe(ialu_zero_reg);
6760 %}
6762 // Multiplication Instructions
6763 // Integer Multiplication
6764 // Register Multiplication
6765 instruct mulI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
6766 match(Set dst (MulI src1 src2));
6768 size(4);
6769 format %{ "MULX $src1,$src2,$dst" %}
6770 opcode(Assembler::mulx_op3, Assembler::arith_op);
6771 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6772 ins_pipe(imul_reg_reg);
6773 %}
6775 // Immediate Multiplication
6776 instruct mulI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
6777 match(Set dst (MulI src1 src2));
6779 size(4);
6780 format %{ "MULX $src1,$src2,$dst" %}
6781 opcode(Assembler::mulx_op3, Assembler::arith_op);
6782 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6783 ins_pipe(imul_reg_imm);
6784 %}
6786 instruct mulL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6787 match(Set dst (MulL src1 src2));
6788 ins_cost(DEFAULT_COST * 5);
6789 size(4);
6790 format %{ "MULX $src1,$src2,$dst\t! long" %}
6791 opcode(Assembler::mulx_op3, Assembler::arith_op);
6792 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6793 ins_pipe(mulL_reg_reg);
6794 %}
6796 // Immediate Multiplication
6797 instruct mulL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{
6798 match(Set dst (MulL src1 src2));
6799 ins_cost(DEFAULT_COST * 5);
6800 size(4);
6801 format %{ "MULX $src1,$src2,$dst" %}
6802 opcode(Assembler::mulx_op3, Assembler::arith_op);
6803 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6804 ins_pipe(mulL_reg_imm);
6805 %}
6807 // Integer Division
6808 // Register Division
6809 instruct divI_reg_reg(iRegI dst, iRegIsafe src1, iRegIsafe src2) %{
6810 match(Set dst (DivI src1 src2));
6811 ins_cost((2+71)*DEFAULT_COST);
6813 format %{ "SRA $src2,0,$src2\n\t"
6814 "SRA $src1,0,$src1\n\t"
6815 "SDIVX $src1,$src2,$dst" %}
6816 ins_encode( idiv_reg( src1, src2, dst ) );
6817 ins_pipe(sdiv_reg_reg);
6818 %}
6820 // Immediate Division
6821 instruct divI_reg_imm13(iRegI dst, iRegIsafe src1, immI13 src2) %{
6822 match(Set dst (DivI src1 src2));
6823 ins_cost((2+71)*DEFAULT_COST);
6825 format %{ "SRA $src1,0,$src1\n\t"
6826 "SDIVX $src1,$src2,$dst" %}
6827 ins_encode( idiv_imm( src1, src2, dst ) );
6828 ins_pipe(sdiv_reg_imm);
6829 %}
6831 //----------Div-By-10-Expansion------------------------------------------------
6832 // Extract hi bits of a 32x32->64 bit multiply.
6833 // Expand rule only, not matched
6834 instruct mul_hi(iRegIsafe dst, iRegIsafe src1, iRegIsafe src2 ) %{
6835 effect( DEF dst, USE src1, USE src2 );
6836 format %{ "MULX $src1,$src2,$dst\t! Used in div-by-10\n\t"
6837 "SRLX $dst,#32,$dst\t\t! Extract only hi word of result" %}
6838 ins_encode( enc_mul_hi(dst,src1,src2));
6839 ins_pipe(sdiv_reg_reg);
6840 %}
6842 // Magic constant, reciprical of 10
6843 instruct loadConI_x66666667(iRegIsafe dst) %{
6844 effect( DEF dst );
6846 size(8);
6847 format %{ "SET 0x66666667,$dst\t! Used in div-by-10" %}
6848 ins_encode( Set32(0x66666667, dst) );
6849 ins_pipe(ialu_hi_lo_reg);
6850 %}
6852 // Register Shift Right Arithmatic Long by 32-63
6853 instruct sra_31( iRegI dst, iRegI src ) %{
6854 effect( DEF dst, USE src );
6855 format %{ "SRA $src,31,$dst\t! Used in div-by-10" %}
6856 ins_encode( form3_rs1_rd_copysign_hi(src,dst) );
6857 ins_pipe(ialu_reg_reg);
6858 %}
6860 // Arithmetic Shift Right by 8-bit immediate
6861 instruct sra_reg_2( iRegI dst, iRegI src ) %{
6862 effect( DEF dst, USE src );
6863 format %{ "SRA $src,2,$dst\t! Used in div-by-10" %}
6864 opcode(Assembler::sra_op3, Assembler::arith_op);
6865 ins_encode( form3_rs1_simm13_rd( src, 0x2, dst ) );
6866 ins_pipe(ialu_reg_imm);
6867 %}
6869 // Integer DIV with 10
6870 instruct divI_10( iRegI dst, iRegIsafe src, immI10 div ) %{
6871 match(Set dst (DivI src div));
6872 ins_cost((6+6)*DEFAULT_COST);
6873 expand %{
6874 iRegIsafe tmp1; // Killed temps;
6875 iRegIsafe tmp2; // Killed temps;
6876 iRegI tmp3; // Killed temps;
6877 iRegI tmp4; // Killed temps;
6878 loadConI_x66666667( tmp1 ); // SET 0x66666667 -> tmp1
6879 mul_hi( tmp2, src, tmp1 ); // MUL hibits(src * tmp1) -> tmp2
6880 sra_31( tmp3, src ); // SRA src,31 -> tmp3
6881 sra_reg_2( tmp4, tmp2 ); // SRA tmp2,2 -> tmp4
6882 subI_reg_reg( dst,tmp4,tmp3); // SUB tmp4 - tmp3 -> dst
6883 %}
6884 %}
6886 // Register Long Division
6887 instruct divL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6888 match(Set dst (DivL src1 src2));
6889 ins_cost(DEFAULT_COST*71);
6890 size(4);
6891 format %{ "SDIVX $src1,$src2,$dst\t! long" %}
6892 opcode(Assembler::sdivx_op3, Assembler::arith_op);
6893 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6894 ins_pipe(divL_reg_reg);
6895 %}
6897 // Register Long Division
6898 instruct divL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{
6899 match(Set dst (DivL src1 src2));
6900 ins_cost(DEFAULT_COST*71);
6901 size(4);
6902 format %{ "SDIVX $src1,$src2,$dst\t! long" %}
6903 opcode(Assembler::sdivx_op3, Assembler::arith_op);
6904 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6905 ins_pipe(divL_reg_imm);
6906 %}
6908 // Integer Remainder
6909 // Register Remainder
6910 instruct modI_reg_reg(iRegI dst, iRegIsafe src1, iRegIsafe src2, o7RegP temp, flagsReg ccr ) %{
6911 match(Set dst (ModI src1 src2));
6912 effect( KILL ccr, KILL temp);
6914 format %{ "SREM $src1,$src2,$dst" %}
6915 ins_encode( irem_reg(src1, src2, dst, temp) );
6916 ins_pipe(sdiv_reg_reg);
6917 %}
6919 // Immediate Remainder
6920 instruct modI_reg_imm13(iRegI dst, iRegIsafe src1, immI13 src2, o7RegP temp, flagsReg ccr ) %{
6921 match(Set dst (ModI src1 src2));
6922 effect( KILL ccr, KILL temp);
6924 format %{ "SREM $src1,$src2,$dst" %}
6925 ins_encode( irem_imm(src1, src2, dst, temp) );
6926 ins_pipe(sdiv_reg_imm);
6927 %}
6929 // Register Long Remainder
6930 instruct divL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{
6931 effect(DEF dst, USE src1, USE src2);
6932 size(4);
6933 format %{ "SDIVX $src1,$src2,$dst\t! long" %}
6934 opcode(Assembler::sdivx_op3, Assembler::arith_op);
6935 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6936 ins_pipe(divL_reg_reg);
6937 %}
6939 // Register Long Division
6940 instruct divL_reg_imm13_1(iRegL dst, iRegL src1, immL13 src2) %{
6941 effect(DEF dst, USE src1, USE src2);
6942 size(4);
6943 format %{ "SDIVX $src1,$src2,$dst\t! long" %}
6944 opcode(Assembler::sdivx_op3, Assembler::arith_op);
6945 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6946 ins_pipe(divL_reg_imm);
6947 %}
6949 instruct mulL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{
6950 effect(DEF dst, USE src1, USE src2);
6951 size(4);
6952 format %{ "MULX $src1,$src2,$dst\t! long" %}
6953 opcode(Assembler::mulx_op3, Assembler::arith_op);
6954 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6955 ins_pipe(mulL_reg_reg);
6956 %}
6958 // Immediate Multiplication
6959 instruct mulL_reg_imm13_1(iRegL dst, iRegL src1, immL13 src2) %{
6960 effect(DEF dst, USE src1, USE src2);
6961 size(4);
6962 format %{ "MULX $src1,$src2,$dst" %}
6963 opcode(Assembler::mulx_op3, Assembler::arith_op);
6964 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6965 ins_pipe(mulL_reg_imm);
6966 %}
6968 instruct subL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{
6969 effect(DEF dst, USE src1, USE src2);
6970 size(4);
6971 format %{ "SUB $src1,$src2,$dst\t! long" %}
6972 opcode(Assembler::sub_op3, Assembler::arith_op);
6973 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6974 ins_pipe(ialu_reg_reg);
6975 %}
6977 instruct subL_reg_reg_2(iRegL dst, iRegL src1, iRegL src2) %{
6978 effect(DEF dst, USE src1, USE src2);
6979 size(4);
6980 format %{ "SUB $src1,$src2,$dst\t! long" %}
6981 opcode(Assembler::sub_op3, Assembler::arith_op);
6982 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6983 ins_pipe(ialu_reg_reg);
6984 %}
6986 // Register Long Remainder
6987 instruct modL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6988 match(Set dst (ModL src1 src2));
6989 ins_cost(DEFAULT_COST*(71 + 6 + 1));
6990 expand %{
6991 iRegL tmp1;
6992 iRegL tmp2;
6993 divL_reg_reg_1(tmp1, src1, src2);
6994 mulL_reg_reg_1(tmp2, tmp1, src2);
6995 subL_reg_reg_1(dst, src1, tmp2);
6996 %}
6997 %}
6999 // Register Long Remainder
7000 instruct modL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{
7001 match(Set dst (ModL src1 src2));
7002 ins_cost(DEFAULT_COST*(71 + 6 + 1));
7003 expand %{
7004 iRegL tmp1;
7005 iRegL tmp2;
7006 divL_reg_imm13_1(tmp1, src1, src2);
7007 mulL_reg_imm13_1(tmp2, tmp1, src2);
7008 subL_reg_reg_2 (dst, src1, tmp2);
7009 %}
7010 %}
7012 // Integer Shift Instructions
7013 // Register Shift Left
7014 instruct shlI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7015 match(Set dst (LShiftI src1 src2));
7017 size(4);
7018 format %{ "SLL $src1,$src2,$dst" %}
7019 opcode(Assembler::sll_op3, Assembler::arith_op);
7020 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7021 ins_pipe(ialu_reg_reg);
7022 %}
7024 // Register Shift Left Immediate
7025 instruct shlI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{
7026 match(Set dst (LShiftI src1 src2));
7028 size(4);
7029 format %{ "SLL $src1,$src2,$dst" %}
7030 opcode(Assembler::sll_op3, Assembler::arith_op);
7031 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7032 ins_pipe(ialu_reg_imm);
7033 %}
7035 // Register Shift Left
7036 instruct shlL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{
7037 match(Set dst (LShiftL src1 src2));
7039 size(4);
7040 format %{ "SLLX $src1,$src2,$dst" %}
7041 opcode(Assembler::sllx_op3, Assembler::arith_op);
7042 ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) );
7043 ins_pipe(ialu_reg_reg);
7044 %}
7046 // Register Shift Left Immediate
7047 instruct shlL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{
7048 match(Set dst (LShiftL src1 src2));
7050 size(4);
7051 format %{ "SLLX $src1,$src2,$dst" %}
7052 opcode(Assembler::sllx_op3, Assembler::arith_op);
7053 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7054 ins_pipe(ialu_reg_imm);
7055 %}
7057 // Register Arithmetic Shift Right
7058 instruct sarI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7059 match(Set dst (RShiftI src1 src2));
7060 size(4);
7061 format %{ "SRA $src1,$src2,$dst" %}
7062 opcode(Assembler::sra_op3, Assembler::arith_op);
7063 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7064 ins_pipe(ialu_reg_reg);
7065 %}
7067 // Register Arithmetic Shift Right Immediate
7068 instruct sarI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{
7069 match(Set dst (RShiftI src1 src2));
7071 size(4);
7072 format %{ "SRA $src1,$src2,$dst" %}
7073 opcode(Assembler::sra_op3, Assembler::arith_op);
7074 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7075 ins_pipe(ialu_reg_imm);
7076 %}
7078 // Register Shift Right Arithmatic Long
7079 instruct sarL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{
7080 match(Set dst (RShiftL src1 src2));
7082 size(4);
7083 format %{ "SRAX $src1,$src2,$dst" %}
7084 opcode(Assembler::srax_op3, Assembler::arith_op);
7085 ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) );
7086 ins_pipe(ialu_reg_reg);
7087 %}
7089 // Register Shift Left Immediate
7090 instruct sarL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{
7091 match(Set dst (RShiftL src1 src2));
7093 size(4);
7094 format %{ "SRAX $src1,$src2,$dst" %}
7095 opcode(Assembler::srax_op3, Assembler::arith_op);
7096 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7097 ins_pipe(ialu_reg_imm);
7098 %}
7100 // Register Shift Right
7101 instruct shrI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7102 match(Set dst (URShiftI src1 src2));
7104 size(4);
7105 format %{ "SRL $src1,$src2,$dst" %}
7106 opcode(Assembler::srl_op3, Assembler::arith_op);
7107 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7108 ins_pipe(ialu_reg_reg);
7109 %}
7111 // Register Shift Right Immediate
7112 instruct shrI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{
7113 match(Set dst (URShiftI src1 src2));
7115 size(4);
7116 format %{ "SRL $src1,$src2,$dst" %}
7117 opcode(Assembler::srl_op3, Assembler::arith_op);
7118 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7119 ins_pipe(ialu_reg_imm);
7120 %}
7122 // Register Shift Right
7123 instruct shrL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{
7124 match(Set dst (URShiftL src1 src2));
7126 size(4);
7127 format %{ "SRLX $src1,$src2,$dst" %}
7128 opcode(Assembler::srlx_op3, Assembler::arith_op);
7129 ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) );
7130 ins_pipe(ialu_reg_reg);
7131 %}
7133 // Register Shift Right Immediate
7134 instruct shrL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{
7135 match(Set dst (URShiftL src1 src2));
7137 size(4);
7138 format %{ "SRLX $src1,$src2,$dst" %}
7139 opcode(Assembler::srlx_op3, Assembler::arith_op);
7140 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7141 ins_pipe(ialu_reg_imm);
7142 %}
7144 // Register Shift Right Immediate with a CastP2X
7145 #ifdef _LP64
7146 instruct shrP_reg_imm6(iRegL dst, iRegP src1, immU6 src2) %{
7147 match(Set dst (URShiftL (CastP2X src1) src2));
7148 size(4);
7149 format %{ "SRLX $src1,$src2,$dst\t! Cast ptr $src1 to long and shift" %}
7150 opcode(Assembler::srlx_op3, Assembler::arith_op);
7151 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7152 ins_pipe(ialu_reg_imm);
7153 %}
7154 #else
7155 instruct shrP_reg_imm5(iRegI dst, iRegP src1, immU5 src2) %{
7156 match(Set dst (URShiftI (CastP2X src1) src2));
7157 size(4);
7158 format %{ "SRL $src1,$src2,$dst\t! Cast ptr $src1 to int and shift" %}
7159 opcode(Assembler::srl_op3, Assembler::arith_op);
7160 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7161 ins_pipe(ialu_reg_imm);
7162 %}
7163 #endif
7166 //----------Floating Point Arithmetic Instructions-----------------------------
7168 // Add float single precision
7169 instruct addF_reg_reg(regF dst, regF src1, regF src2) %{
7170 match(Set dst (AddF src1 src2));
7172 size(4);
7173 format %{ "FADDS $src1,$src2,$dst" %}
7174 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fadds_opf);
7175 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7176 ins_pipe(faddF_reg_reg);
7177 %}
7179 // Add float double precision
7180 instruct addD_reg_reg(regD dst, regD src1, regD src2) %{
7181 match(Set dst (AddD src1 src2));
7183 size(4);
7184 format %{ "FADDD $src1,$src2,$dst" %}
7185 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::faddd_opf);
7186 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7187 ins_pipe(faddD_reg_reg);
7188 %}
7190 // Sub float single precision
7191 instruct subF_reg_reg(regF dst, regF src1, regF src2) %{
7192 match(Set dst (SubF src1 src2));
7194 size(4);
7195 format %{ "FSUBS $src1,$src2,$dst" %}
7196 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubs_opf);
7197 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7198 ins_pipe(faddF_reg_reg);
7199 %}
7201 // Sub float double precision
7202 instruct subD_reg_reg(regD dst, regD src1, regD src2) %{
7203 match(Set dst (SubD src1 src2));
7205 size(4);
7206 format %{ "FSUBD $src1,$src2,$dst" %}
7207 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubd_opf);
7208 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7209 ins_pipe(faddD_reg_reg);
7210 %}
7212 // Mul float single precision
7213 instruct mulF_reg_reg(regF dst, regF src1, regF src2) %{
7214 match(Set dst (MulF src1 src2));
7216 size(4);
7217 format %{ "FMULS $src1,$src2,$dst" %}
7218 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuls_opf);
7219 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7220 ins_pipe(fmulF_reg_reg);
7221 %}
7223 // Mul float double precision
7224 instruct mulD_reg_reg(regD dst, regD src1, regD src2) %{
7225 match(Set dst (MulD src1 src2));
7227 size(4);
7228 format %{ "FMULD $src1,$src2,$dst" %}
7229 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuld_opf);
7230 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7231 ins_pipe(fmulD_reg_reg);
7232 %}
7234 // Div float single precision
7235 instruct divF_reg_reg(regF dst, regF src1, regF src2) %{
7236 match(Set dst (DivF src1 src2));
7238 size(4);
7239 format %{ "FDIVS $src1,$src2,$dst" %}
7240 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdivs_opf);
7241 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7242 ins_pipe(fdivF_reg_reg);
7243 %}
7245 // Div float double precision
7246 instruct divD_reg_reg(regD dst, regD src1, regD src2) %{
7247 match(Set dst (DivD src1 src2));
7249 size(4);
7250 format %{ "FDIVD $src1,$src2,$dst" %}
7251 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdivd_opf);
7252 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7253 ins_pipe(fdivD_reg_reg);
7254 %}
7256 // Absolute float double precision
7257 instruct absD_reg(regD dst, regD src) %{
7258 match(Set dst (AbsD src));
7260 format %{ "FABSd $src,$dst" %}
7261 ins_encode(fabsd(dst, src));
7262 ins_pipe(faddD_reg);
7263 %}
7265 // Absolute float single precision
7266 instruct absF_reg(regF dst, regF src) %{
7267 match(Set dst (AbsF src));
7269 format %{ "FABSs $src,$dst" %}
7270 ins_encode(fabss(dst, src));
7271 ins_pipe(faddF_reg);
7272 %}
7274 instruct negF_reg(regF dst, regF src) %{
7275 match(Set dst (NegF src));
7277 size(4);
7278 format %{ "FNEGs $src,$dst" %}
7279 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fnegs_opf);
7280 ins_encode(form3_opf_rs2F_rdF(src, dst));
7281 ins_pipe(faddF_reg);
7282 %}
7284 instruct negD_reg(regD dst, regD src) %{
7285 match(Set dst (NegD src));
7287 format %{ "FNEGd $src,$dst" %}
7288 ins_encode(fnegd(dst, src));
7289 ins_pipe(faddD_reg);
7290 %}
7292 // Sqrt float double precision
7293 instruct sqrtF_reg_reg(regF dst, regF src) %{
7294 match(Set dst (ConvD2F (SqrtD (ConvF2D src))));
7296 size(4);
7297 format %{ "FSQRTS $src,$dst" %}
7298 ins_encode(fsqrts(dst, src));
7299 ins_pipe(fdivF_reg_reg);
7300 %}
7302 // Sqrt float double precision
7303 instruct sqrtD_reg_reg(regD dst, regD src) %{
7304 match(Set dst (SqrtD src));
7306 size(4);
7307 format %{ "FSQRTD $src,$dst" %}
7308 ins_encode(fsqrtd(dst, src));
7309 ins_pipe(fdivD_reg_reg);
7310 %}
7312 //----------Logical Instructions-----------------------------------------------
7313 // And Instructions
7314 // Register And
7315 instruct andI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7316 match(Set dst (AndI src1 src2));
7318 size(4);
7319 format %{ "AND $src1,$src2,$dst" %}
7320 opcode(Assembler::and_op3, Assembler::arith_op);
7321 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7322 ins_pipe(ialu_reg_reg);
7323 %}
7325 // Immediate And
7326 instruct andI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
7327 match(Set dst (AndI src1 src2));
7329 size(4);
7330 format %{ "AND $src1,$src2,$dst" %}
7331 opcode(Assembler::and_op3, Assembler::arith_op);
7332 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
7333 ins_pipe(ialu_reg_imm);
7334 %}
7336 // Register And Long
7337 instruct andL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
7338 match(Set dst (AndL src1 src2));
7340 ins_cost(DEFAULT_COST);
7341 size(4);
7342 format %{ "AND $src1,$src2,$dst\t! long" %}
7343 opcode(Assembler::and_op3, Assembler::arith_op);
7344 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7345 ins_pipe(ialu_reg_reg);
7346 %}
7348 instruct andL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
7349 match(Set dst (AndL src1 con));
7351 ins_cost(DEFAULT_COST);
7352 size(4);
7353 format %{ "AND $src1,$con,$dst\t! long" %}
7354 opcode(Assembler::and_op3, Assembler::arith_op);
7355 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
7356 ins_pipe(ialu_reg_imm);
7357 %}
7359 // Or Instructions
7360 // Register Or
7361 instruct orI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7362 match(Set dst (OrI src1 src2));
7364 size(4);
7365 format %{ "OR $src1,$src2,$dst" %}
7366 opcode(Assembler::or_op3, Assembler::arith_op);
7367 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7368 ins_pipe(ialu_reg_reg);
7369 %}
7371 // Immediate Or
7372 instruct orI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
7373 match(Set dst (OrI src1 src2));
7375 size(4);
7376 format %{ "OR $src1,$src2,$dst" %}
7377 opcode(Assembler::or_op3, Assembler::arith_op);
7378 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
7379 ins_pipe(ialu_reg_imm);
7380 %}
7382 // Register Or Long
7383 instruct orL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
7384 match(Set dst (OrL src1 src2));
7386 ins_cost(DEFAULT_COST);
7387 size(4);
7388 format %{ "OR $src1,$src2,$dst\t! long" %}
7389 opcode(Assembler::or_op3, Assembler::arith_op);
7390 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7391 ins_pipe(ialu_reg_reg);
7392 %}
7394 instruct orL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
7395 match(Set dst (OrL src1 con));
7396 ins_cost(DEFAULT_COST*2);
7398 ins_cost(DEFAULT_COST);
7399 size(4);
7400 format %{ "OR $src1,$con,$dst\t! long" %}
7401 opcode(Assembler::or_op3, Assembler::arith_op);
7402 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
7403 ins_pipe(ialu_reg_imm);
7404 %}
7406 // Xor Instructions
7407 // Register Xor
7408 instruct xorI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7409 match(Set dst (XorI src1 src2));
7411 size(4);
7412 format %{ "XOR $src1,$src2,$dst" %}
7413 opcode(Assembler::xor_op3, Assembler::arith_op);
7414 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7415 ins_pipe(ialu_reg_reg);
7416 %}
7418 // Immediate Xor
7419 instruct xorI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
7420 match(Set dst (XorI src1 src2));
7422 size(4);
7423 format %{ "XOR $src1,$src2,$dst" %}
7424 opcode(Assembler::xor_op3, Assembler::arith_op);
7425 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
7426 ins_pipe(ialu_reg_imm);
7427 %}
7429 // Register Xor Long
7430 instruct xorL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
7431 match(Set dst (XorL src1 src2));
7433 ins_cost(DEFAULT_COST);
7434 size(4);
7435 format %{ "XOR $src1,$src2,$dst\t! long" %}
7436 opcode(Assembler::xor_op3, Assembler::arith_op);
7437 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7438 ins_pipe(ialu_reg_reg);
7439 %}
7441 instruct xorL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
7442 match(Set dst (XorL src1 con));
7444 ins_cost(DEFAULT_COST);
7445 size(4);
7446 format %{ "XOR $src1,$con,$dst\t! long" %}
7447 opcode(Assembler::xor_op3, Assembler::arith_op);
7448 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
7449 ins_pipe(ialu_reg_imm);
7450 %}
7452 //----------Convert to Boolean-------------------------------------------------
7453 // Nice hack for 32-bit tests but doesn't work for
7454 // 64-bit pointers.
7455 instruct convI2B( iRegI dst, iRegI src, flagsReg ccr ) %{
7456 match(Set dst (Conv2B src));
7457 effect( KILL ccr );
7458 ins_cost(DEFAULT_COST*2);
7459 format %{ "CMP R_G0,$src\n\t"
7460 "ADDX R_G0,0,$dst" %}
7461 ins_encode( enc_to_bool( src, dst ) );
7462 ins_pipe(ialu_reg_ialu);
7463 %}
7465 #ifndef _LP64
7466 instruct convP2B( iRegI dst, iRegP src, flagsReg ccr ) %{
7467 match(Set dst (Conv2B src));
7468 effect( KILL ccr );
7469 ins_cost(DEFAULT_COST*2);
7470 format %{ "CMP R_G0,$src\n\t"
7471 "ADDX R_G0,0,$dst" %}
7472 ins_encode( enc_to_bool( src, dst ) );
7473 ins_pipe(ialu_reg_ialu);
7474 %}
7475 #else
7476 instruct convP2B( iRegI dst, iRegP src ) %{
7477 match(Set dst (Conv2B src));
7478 ins_cost(DEFAULT_COST*2);
7479 format %{ "MOV $src,$dst\n\t"
7480 "MOVRNZ $src,1,$dst" %}
7481 ins_encode( form3_g0_rs2_rd_move( src, dst ), enc_convP2B( dst, src ) );
7482 ins_pipe(ialu_clr_and_mover);
7483 %}
7484 #endif
7486 instruct cmpLTMask_reg_reg( iRegI dst, iRegI p, iRegI q, flagsReg ccr ) %{
7487 match(Set dst (CmpLTMask p q));
7488 effect( KILL ccr );
7489 ins_cost(DEFAULT_COST*4);
7490 format %{ "CMP $p,$q\n\t"
7491 "MOV #0,$dst\n\t"
7492 "BLT,a .+8\n\t"
7493 "MOV #-1,$dst" %}
7494 ins_encode( enc_ltmask(p,q,dst) );
7495 ins_pipe(ialu_reg_reg_ialu);
7496 %}
7498 instruct cadd_cmpLTMask( iRegI p, iRegI q, iRegI y, iRegI tmp, flagsReg ccr ) %{
7499 match(Set p (AddI (AndI (CmpLTMask p q) y) (SubI p q)));
7500 effect(KILL ccr, TEMP tmp);
7501 ins_cost(DEFAULT_COST*3);
7503 format %{ "SUBcc $p,$q,$p\t! p' = p-q\n\t"
7504 "ADD $p,$y,$tmp\t! g3=p-q+y\n\t"
7505 "MOVl $tmp,$p\t! p' < 0 ? p'+y : p'" %}
7506 ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) );
7507 ins_pipe( cadd_cmpltmask );
7508 %}
7510 instruct cadd_cmpLTMask2( iRegI p, iRegI q, iRegI y, iRegI tmp, flagsReg ccr ) %{
7511 match(Set p (AddI (SubI p q) (AndI (CmpLTMask p q) y)));
7512 effect( KILL ccr, TEMP tmp);
7513 ins_cost(DEFAULT_COST*3);
7515 format %{ "SUBcc $p,$q,$p\t! p' = p-q\n\t"
7516 "ADD $p,$y,$tmp\t! g3=p-q+y\n\t"
7517 "MOVl $tmp,$p\t! p' < 0 ? p'+y : p'" %}
7518 ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) );
7519 ins_pipe( cadd_cmpltmask );
7520 %}
7522 //----------Arithmetic Conversion Instructions---------------------------------
7523 // The conversions operations are all Alpha sorted. Please keep it that way!
7525 instruct convD2F_reg(regF dst, regD src) %{
7526 match(Set dst (ConvD2F src));
7527 size(4);
7528 format %{ "FDTOS $src,$dst" %}
7529 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdtos_opf);
7530 ins_encode(form3_opf_rs2D_rdF(src, dst));
7531 ins_pipe(fcvtD2F);
7532 %}
7535 // Convert a double to an int in a float register.
7536 // If the double is a NAN, stuff a zero in instead.
7537 instruct convD2I_helper(regF dst, regD src, flagsRegF0 fcc0) %{
7538 effect(DEF dst, USE src, KILL fcc0);
7539 format %{ "FCMPd fcc0,$src,$src\t! check for NAN\n\t"
7540 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7541 "FDTOI $src,$dst\t! convert in delay slot\n\t"
7542 "FITOS $dst,$dst\t! change NaN/max-int to valid float\n\t"
7543 "FSUBs $dst,$dst,$dst\t! cleared only if nan\n"
7544 "skip:" %}
7545 ins_encode(form_d2i_helper(src,dst));
7546 ins_pipe(fcvtD2I);
7547 %}
7549 instruct convD2I_reg(stackSlotI dst, regD src) %{
7550 match(Set dst (ConvD2I src));
7551 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7552 expand %{
7553 regF tmp;
7554 convD2I_helper(tmp, src);
7555 regF_to_stkI(dst, tmp);
7556 %}
7557 %}
7559 // Convert a double to a long in a double register.
7560 // If the double is a NAN, stuff a zero in instead.
7561 instruct convD2L_helper(regD dst, regD src, flagsRegF0 fcc0) %{
7562 effect(DEF dst, USE src, KILL fcc0);
7563 format %{ "FCMPd fcc0,$src,$src\t! check for NAN\n\t"
7564 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7565 "FDTOX $src,$dst\t! convert in delay slot\n\t"
7566 "FXTOD $dst,$dst\t! change NaN/max-long to valid double\n\t"
7567 "FSUBd $dst,$dst,$dst\t! cleared only if nan\n"
7568 "skip:" %}
7569 ins_encode(form_d2l_helper(src,dst));
7570 ins_pipe(fcvtD2L);
7571 %}
7574 // Double to Long conversion
7575 instruct convD2L_reg(stackSlotL dst, regD src) %{
7576 match(Set dst (ConvD2L src));
7577 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7578 expand %{
7579 regD tmp;
7580 convD2L_helper(tmp, src);
7581 regD_to_stkL(dst, tmp);
7582 %}
7583 %}
7586 instruct convF2D_reg(regD dst, regF src) %{
7587 match(Set dst (ConvF2D src));
7588 format %{ "FSTOD $src,$dst" %}
7589 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fstod_opf);
7590 ins_encode(form3_opf_rs2F_rdD(src, dst));
7591 ins_pipe(fcvtF2D);
7592 %}
7595 instruct convF2I_helper(regF dst, regF src, flagsRegF0 fcc0) %{
7596 effect(DEF dst, USE src, KILL fcc0);
7597 format %{ "FCMPs fcc0,$src,$src\t! check for NAN\n\t"
7598 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7599 "FSTOI $src,$dst\t! convert in delay slot\n\t"
7600 "FITOS $dst,$dst\t! change NaN/max-int to valid float\n\t"
7601 "FSUBs $dst,$dst,$dst\t! cleared only if nan\n"
7602 "skip:" %}
7603 ins_encode(form_f2i_helper(src,dst));
7604 ins_pipe(fcvtF2I);
7605 %}
7607 instruct convF2I_reg(stackSlotI dst, regF src) %{
7608 match(Set dst (ConvF2I src));
7609 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7610 expand %{
7611 regF tmp;
7612 convF2I_helper(tmp, src);
7613 regF_to_stkI(dst, tmp);
7614 %}
7615 %}
7618 instruct convF2L_helper(regD dst, regF src, flagsRegF0 fcc0) %{
7619 effect(DEF dst, USE src, KILL fcc0);
7620 format %{ "FCMPs fcc0,$src,$src\t! check for NAN\n\t"
7621 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7622 "FSTOX $src,$dst\t! convert in delay slot\n\t"
7623 "FXTOD $dst,$dst\t! change NaN/max-long to valid double\n\t"
7624 "FSUBd $dst,$dst,$dst\t! cleared only if nan\n"
7625 "skip:" %}
7626 ins_encode(form_f2l_helper(src,dst));
7627 ins_pipe(fcvtF2L);
7628 %}
7630 // Float to Long conversion
7631 instruct convF2L_reg(stackSlotL dst, regF src) %{
7632 match(Set dst (ConvF2L src));
7633 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7634 expand %{
7635 regD tmp;
7636 convF2L_helper(tmp, src);
7637 regD_to_stkL(dst, tmp);
7638 %}
7639 %}
7642 instruct convI2D_helper(regD dst, regF tmp) %{
7643 effect(USE tmp, DEF dst);
7644 format %{ "FITOD $tmp,$dst" %}
7645 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitod_opf);
7646 ins_encode(form3_opf_rs2F_rdD(tmp, dst));
7647 ins_pipe(fcvtI2D);
7648 %}
7650 instruct convI2D_reg(stackSlotI src, regD dst) %{
7651 match(Set dst (ConvI2D src));
7652 ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7653 expand %{
7654 regF tmp;
7655 stkI_to_regF( tmp, src);
7656 convI2D_helper( dst, tmp);
7657 %}
7658 %}
7660 instruct convI2D_mem( regD_low dst, memory mem ) %{
7661 match(Set dst (ConvI2D (LoadI mem)));
7662 ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7663 size(8);
7664 format %{ "LDF $mem,$dst\n\t"
7665 "FITOD $dst,$dst" %}
7666 opcode(Assembler::ldf_op3, Assembler::fitod_opf);
7667 ins_encode( form3_mem_reg( mem, dst ), form3_convI2F(dst, dst));
7668 ins_pipe(floadF_mem);
7669 %}
7672 instruct convI2F_helper(regF dst, regF tmp) %{
7673 effect(DEF dst, USE tmp);
7674 format %{ "FITOS $tmp,$dst" %}
7675 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitos_opf);
7676 ins_encode(form3_opf_rs2F_rdF(tmp, dst));
7677 ins_pipe(fcvtI2F);
7678 %}
7680 instruct convI2F_reg( regF dst, stackSlotI src ) %{
7681 match(Set dst (ConvI2F src));
7682 ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7683 expand %{
7684 regF tmp;
7685 stkI_to_regF(tmp,src);
7686 convI2F_helper(dst, tmp);
7687 %}
7688 %}
7690 instruct convI2F_mem( regF dst, memory mem ) %{
7691 match(Set dst (ConvI2F (LoadI mem)));
7692 ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7693 size(8);
7694 format %{ "LDF $mem,$dst\n\t"
7695 "FITOS $dst,$dst" %}
7696 opcode(Assembler::ldf_op3, Assembler::fitos_opf);
7697 ins_encode( form3_mem_reg( mem, dst ), form3_convI2F(dst, dst));
7698 ins_pipe(floadF_mem);
7699 %}
7702 instruct convI2L_reg(iRegL dst, iRegI src) %{
7703 match(Set dst (ConvI2L src));
7704 size(4);
7705 format %{ "SRA $src,0,$dst\t! int->long" %}
7706 opcode(Assembler::sra_op3, Assembler::arith_op);
7707 ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) );
7708 ins_pipe(ialu_reg_reg);
7709 %}
7711 // Zero-extend convert int to long
7712 instruct convI2L_reg_zex(iRegL dst, iRegI src, immL_32bits mask ) %{
7713 match(Set dst (AndL (ConvI2L src) mask) );
7714 size(4);
7715 format %{ "SRL $src,0,$dst\t! zero-extend int to long" %}
7716 opcode(Assembler::srl_op3, Assembler::arith_op);
7717 ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) );
7718 ins_pipe(ialu_reg_reg);
7719 %}
7721 // Zero-extend long
7722 instruct zerox_long(iRegL dst, iRegL src, immL_32bits mask ) %{
7723 match(Set dst (AndL src mask) );
7724 size(4);
7725 format %{ "SRL $src,0,$dst\t! zero-extend long" %}
7726 opcode(Assembler::srl_op3, Assembler::arith_op);
7727 ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) );
7728 ins_pipe(ialu_reg_reg);
7729 %}
7731 instruct MoveF2I_stack_reg(iRegI dst, stackSlotF src) %{
7732 match(Set dst (MoveF2I src));
7733 effect(DEF dst, USE src);
7734 ins_cost(MEMORY_REF_COST);
7736 size(4);
7737 format %{ "LDUW $src,$dst\t! MoveF2I" %}
7738 opcode(Assembler::lduw_op3);
7739 ins_encode( form3_mem_reg( src, dst ) );
7740 ins_pipe(iload_mem);
7741 %}
7743 instruct MoveI2F_stack_reg(regF dst, stackSlotI src) %{
7744 match(Set dst (MoveI2F src));
7745 effect(DEF dst, USE src);
7746 ins_cost(MEMORY_REF_COST);
7748 size(4);
7749 format %{ "LDF $src,$dst\t! MoveI2F" %}
7750 opcode(Assembler::ldf_op3);
7751 ins_encode(form3_mem_reg(src, dst));
7752 ins_pipe(floadF_stk);
7753 %}
7755 instruct MoveD2L_stack_reg(iRegL dst, stackSlotD src) %{
7756 match(Set dst (MoveD2L src));
7757 effect(DEF dst, USE src);
7758 ins_cost(MEMORY_REF_COST);
7760 size(4);
7761 format %{ "LDX $src,$dst\t! MoveD2L" %}
7762 opcode(Assembler::ldx_op3);
7763 ins_encode( form3_mem_reg( src, dst ) );
7764 ins_pipe(iload_mem);
7765 %}
7767 instruct MoveL2D_stack_reg(regD dst, stackSlotL src) %{
7768 match(Set dst (MoveL2D src));
7769 effect(DEF dst, USE src);
7770 ins_cost(MEMORY_REF_COST);
7772 size(4);
7773 format %{ "LDDF $src,$dst\t! MoveL2D" %}
7774 opcode(Assembler::lddf_op3);
7775 ins_encode(form3_mem_reg(src, dst));
7776 ins_pipe(floadD_stk);
7777 %}
7779 instruct MoveF2I_reg_stack(stackSlotI dst, regF src) %{
7780 match(Set dst (MoveF2I src));
7781 effect(DEF dst, USE src);
7782 ins_cost(MEMORY_REF_COST);
7784 size(4);
7785 format %{ "STF $src,$dst\t!MoveF2I" %}
7786 opcode(Assembler::stf_op3);
7787 ins_encode(form3_mem_reg(dst, src));
7788 ins_pipe(fstoreF_stk_reg);
7789 %}
7791 instruct MoveI2F_reg_stack(stackSlotF dst, iRegI src) %{
7792 match(Set dst (MoveI2F src));
7793 effect(DEF dst, USE src);
7794 ins_cost(MEMORY_REF_COST);
7796 size(4);
7797 format %{ "STW $src,$dst\t!MoveI2F" %}
7798 opcode(Assembler::stw_op3);
7799 ins_encode( form3_mem_reg( dst, src ) );
7800 ins_pipe(istore_mem_reg);
7801 %}
7803 instruct MoveD2L_reg_stack(stackSlotL dst, regD src) %{
7804 match(Set dst (MoveD2L src));
7805 effect(DEF dst, USE src);
7806 ins_cost(MEMORY_REF_COST);
7808 size(4);
7809 format %{ "STDF $src,$dst\t!MoveD2L" %}
7810 opcode(Assembler::stdf_op3);
7811 ins_encode(form3_mem_reg(dst, src));
7812 ins_pipe(fstoreD_stk_reg);
7813 %}
7815 instruct MoveL2D_reg_stack(stackSlotD dst, iRegL src) %{
7816 match(Set dst (MoveL2D src));
7817 effect(DEF dst, USE src);
7818 ins_cost(MEMORY_REF_COST);
7820 size(4);
7821 format %{ "STX $src,$dst\t!MoveL2D" %}
7822 opcode(Assembler::stx_op3);
7823 ins_encode( form3_mem_reg( dst, src ) );
7824 ins_pipe(istore_mem_reg);
7825 %}
7828 //-----------
7829 // Long to Double conversion using V8 opcodes.
7830 // Still useful because cheetah traps and becomes
7831 // amazingly slow for some common numbers.
7833 // Magic constant, 0x43300000
7834 instruct loadConI_x43300000(iRegI dst) %{
7835 effect(DEF dst);
7836 size(4);
7837 format %{ "SETHI HI(0x43300000),$dst\t! 2^52" %}
7838 ins_encode(SetHi22(0x43300000, dst));
7839 ins_pipe(ialu_none);
7840 %}
7842 // Magic constant, 0x41f00000
7843 instruct loadConI_x41f00000(iRegI dst) %{
7844 effect(DEF dst);
7845 size(4);
7846 format %{ "SETHI HI(0x41f00000),$dst\t! 2^32" %}
7847 ins_encode(SetHi22(0x41f00000, dst));
7848 ins_pipe(ialu_none);
7849 %}
7851 // Construct a double from two float halves
7852 instruct regDHi_regDLo_to_regD(regD_low dst, regD_low src1, regD_low src2) %{
7853 effect(DEF dst, USE src1, USE src2);
7854 size(8);
7855 format %{ "FMOVS $src1.hi,$dst.hi\n\t"
7856 "FMOVS $src2.lo,$dst.lo" %}
7857 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmovs_opf);
7858 ins_encode(form3_opf_rs2D_hi_rdD_hi(src1, dst), form3_opf_rs2D_lo_rdD_lo(src2, dst));
7859 ins_pipe(faddD_reg_reg);
7860 %}
7862 // Convert integer in high half of a double register (in the lower half of
7863 // the double register file) to double
7864 instruct convI2D_regDHi_regD(regD dst, regD_low src) %{
7865 effect(DEF dst, USE src);
7866 size(4);
7867 format %{ "FITOD $src,$dst" %}
7868 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitod_opf);
7869 ins_encode(form3_opf_rs2D_rdD(src, dst));
7870 ins_pipe(fcvtLHi2D);
7871 %}
7873 // Add float double precision
7874 instruct addD_regD_regD(regD dst, regD src1, regD src2) %{
7875 effect(DEF dst, USE src1, USE src2);
7876 size(4);
7877 format %{ "FADDD $src1,$src2,$dst" %}
7878 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::faddd_opf);
7879 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7880 ins_pipe(faddD_reg_reg);
7881 %}
7883 // Sub float double precision
7884 instruct subD_regD_regD(regD dst, regD src1, regD src2) %{
7885 effect(DEF dst, USE src1, USE src2);
7886 size(4);
7887 format %{ "FSUBD $src1,$src2,$dst" %}
7888 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubd_opf);
7889 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7890 ins_pipe(faddD_reg_reg);
7891 %}
7893 // Mul float double precision
7894 instruct mulD_regD_regD(regD dst, regD src1, regD src2) %{
7895 effect(DEF dst, USE src1, USE src2);
7896 size(4);
7897 format %{ "FMULD $src1,$src2,$dst" %}
7898 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuld_opf);
7899 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7900 ins_pipe(fmulD_reg_reg);
7901 %}
7903 instruct convL2D_reg_slow_fxtof(regD dst, stackSlotL src) %{
7904 match(Set dst (ConvL2D src));
7905 ins_cost(DEFAULT_COST*8 + MEMORY_REF_COST*6);
7907 expand %{
7908 regD_low tmpsrc;
7909 iRegI ix43300000;
7910 iRegI ix41f00000;
7911 stackSlotL lx43300000;
7912 stackSlotL lx41f00000;
7913 regD_low dx43300000;
7914 regD dx41f00000;
7915 regD tmp1;
7916 regD_low tmp2;
7917 regD tmp3;
7918 regD tmp4;
7920 stkL_to_regD(tmpsrc, src);
7922 loadConI_x43300000(ix43300000);
7923 loadConI_x41f00000(ix41f00000);
7924 regI_to_stkLHi(lx43300000, ix43300000);
7925 regI_to_stkLHi(lx41f00000, ix41f00000);
7926 stkL_to_regD(dx43300000, lx43300000);
7927 stkL_to_regD(dx41f00000, lx41f00000);
7929 convI2D_regDHi_regD(tmp1, tmpsrc);
7930 regDHi_regDLo_to_regD(tmp2, dx43300000, tmpsrc);
7931 subD_regD_regD(tmp3, tmp2, dx43300000);
7932 mulD_regD_regD(tmp4, tmp1, dx41f00000);
7933 addD_regD_regD(dst, tmp3, tmp4);
7934 %}
7935 %}
7937 // Long to Double conversion using fast fxtof
7938 instruct convL2D_helper(regD dst, regD tmp) %{
7939 effect(DEF dst, USE tmp);
7940 size(4);
7941 format %{ "FXTOD $tmp,$dst" %}
7942 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fxtod_opf);
7943 ins_encode(form3_opf_rs2D_rdD(tmp, dst));
7944 ins_pipe(fcvtL2D);
7945 %}
7947 instruct convL2D_reg_fast_fxtof(regD dst, stackSlotL src) %{
7948 predicate(VM_Version::has_fast_fxtof());
7949 match(Set dst (ConvL2D src));
7950 ins_cost(DEFAULT_COST + 3 * MEMORY_REF_COST);
7951 expand %{
7952 regD tmp;
7953 stkL_to_regD(tmp, src);
7954 convL2D_helper(dst, tmp);
7955 %}
7956 %}
7958 //-----------
7959 // Long to Float conversion using V8 opcodes.
7960 // Still useful because cheetah traps and becomes
7961 // amazingly slow for some common numbers.
7963 // Long to Float conversion using fast fxtof
7964 instruct convL2F_helper(regF dst, regD tmp) %{
7965 effect(DEF dst, USE tmp);
7966 size(4);
7967 format %{ "FXTOS $tmp,$dst" %}
7968 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fxtos_opf);
7969 ins_encode(form3_opf_rs2D_rdF(tmp, dst));
7970 ins_pipe(fcvtL2F);
7971 %}
7973 instruct convL2F_reg_fast_fxtof(regF dst, stackSlotL src) %{
7974 match(Set dst (ConvL2F src));
7975 ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7976 expand %{
7977 regD tmp;
7978 stkL_to_regD(tmp, src);
7979 convL2F_helper(dst, tmp);
7980 %}
7981 %}
7982 //-----------
7984 instruct convL2I_reg(iRegI dst, iRegL src) %{
7985 match(Set dst (ConvL2I src));
7986 #ifndef _LP64
7987 format %{ "MOV $src.lo,$dst\t! long->int" %}
7988 ins_encode( form3_g0_rs2_rd_move_lo2( src, dst ) );
7989 ins_pipe(ialu_move_reg_I_to_L);
7990 #else
7991 size(4);
7992 format %{ "SRA $src,R_G0,$dst\t! long->int" %}
7993 ins_encode( form3_rs1_rd_signextend_lo1( src, dst ) );
7994 ins_pipe(ialu_reg);
7995 #endif
7996 %}
7998 // Register Shift Right Immediate
7999 instruct shrL_reg_imm6_L2I(iRegI dst, iRegL src, immI_32_63 cnt) %{
8000 match(Set dst (ConvL2I (RShiftL src cnt)));
8002 size(4);
8003 format %{ "SRAX $src,$cnt,$dst" %}
8004 opcode(Assembler::srax_op3, Assembler::arith_op);
8005 ins_encode( form3_sd_rs1_imm6_rd( src, cnt, dst ) );
8006 ins_pipe(ialu_reg_imm);
8007 %}
8009 // Replicate scalar to packed byte values in Double register
8010 instruct Repl8B_reg_helper(iRegL dst, iRegI src) %{
8011 effect(DEF dst, USE src);
8012 format %{ "SLLX $src,56,$dst\n\t"
8013 "SRLX $dst, 8,O7\n\t"
8014 "OR $dst,O7,$dst\n\t"
8015 "SRLX $dst,16,O7\n\t"
8016 "OR $dst,O7,$dst\n\t"
8017 "SRLX $dst,32,O7\n\t"
8018 "OR $dst,O7,$dst\t! replicate8B" %}
8019 ins_encode( enc_repl8b(src, dst));
8020 ins_pipe(ialu_reg);
8021 %}
8023 // Replicate scalar to packed byte values in Double register
8024 instruct Repl8B_reg(stackSlotD dst, iRegI src) %{
8025 match(Set dst (Replicate8B src));
8026 expand %{
8027 iRegL tmp;
8028 Repl8B_reg_helper(tmp, src);
8029 regL_to_stkD(dst, tmp);
8030 %}
8031 %}
8033 // Replicate scalar constant to packed byte values in Double register
8034 instruct Repl8B_immI(regD dst, immI13 src, o7RegP tmp) %{
8035 match(Set dst (Replicate8B src));
8036 #ifdef _LP64
8037 size(36);
8038 #else
8039 size(8);
8040 #endif
8041 format %{ "SETHI hi(&Repl8($src)),$tmp\t!get Repl8B($src) from table\n\t"
8042 "LDDF [$tmp+lo(&Repl8($src))],$dst" %}
8043 ins_encode( LdReplImmI(src, dst, tmp, (8), (1)) );
8044 ins_pipe(loadConFD);
8045 %}
8047 // Replicate scalar to packed char values into stack slot
8048 instruct Repl4C_reg_helper(iRegL dst, iRegI src) %{
8049 effect(DEF dst, USE src);
8050 format %{ "SLLX $src,48,$dst\n\t"
8051 "SRLX $dst,16,O7\n\t"
8052 "OR $dst,O7,$dst\n\t"
8053 "SRLX $dst,32,O7\n\t"
8054 "OR $dst,O7,$dst\t! replicate4C" %}
8055 ins_encode( enc_repl4s(src, dst) );
8056 ins_pipe(ialu_reg);
8057 %}
8059 // Replicate scalar to packed char values into stack slot
8060 instruct Repl4C_reg(stackSlotD dst, iRegI src) %{
8061 match(Set dst (Replicate4C src));
8062 expand %{
8063 iRegL tmp;
8064 Repl4C_reg_helper(tmp, src);
8065 regL_to_stkD(dst, tmp);
8066 %}
8067 %}
8069 // Replicate scalar constant to packed char values in Double register
8070 instruct Repl4C_immI(regD dst, immI src, o7RegP tmp) %{
8071 match(Set dst (Replicate4C src));
8072 #ifdef _LP64
8073 size(36);
8074 #else
8075 size(8);
8076 #endif
8077 format %{ "SETHI hi(&Repl4($src)),$tmp\t!get Repl4C($src) from table\n\t"
8078 "LDDF [$tmp+lo(&Repl4($src))],$dst" %}
8079 ins_encode( LdReplImmI(src, dst, tmp, (4), (2)) );
8080 ins_pipe(loadConFD);
8081 %}
8083 // Replicate scalar to packed short values into stack slot
8084 instruct Repl4S_reg_helper(iRegL dst, iRegI src) %{
8085 effect(DEF dst, USE src);
8086 format %{ "SLLX $src,48,$dst\n\t"
8087 "SRLX $dst,16,O7\n\t"
8088 "OR $dst,O7,$dst\n\t"
8089 "SRLX $dst,32,O7\n\t"
8090 "OR $dst,O7,$dst\t! replicate4S" %}
8091 ins_encode( enc_repl4s(src, dst) );
8092 ins_pipe(ialu_reg);
8093 %}
8095 // Replicate scalar to packed short values into stack slot
8096 instruct Repl4S_reg(stackSlotD dst, iRegI src) %{
8097 match(Set dst (Replicate4S src));
8098 expand %{
8099 iRegL tmp;
8100 Repl4S_reg_helper(tmp, src);
8101 regL_to_stkD(dst, tmp);
8102 %}
8103 %}
8105 // Replicate scalar constant to packed short values in Double register
8106 instruct Repl4S_immI(regD dst, immI src, o7RegP tmp) %{
8107 match(Set dst (Replicate4S src));
8108 #ifdef _LP64
8109 size(36);
8110 #else
8111 size(8);
8112 #endif
8113 format %{ "SETHI hi(&Repl4($src)),$tmp\t!get Repl4S($src) from table\n\t"
8114 "LDDF [$tmp+lo(&Repl4($src))],$dst" %}
8115 ins_encode( LdReplImmI(src, dst, tmp, (4), (2)) );
8116 ins_pipe(loadConFD);
8117 %}
8119 // Replicate scalar to packed int values in Double register
8120 instruct Repl2I_reg_helper(iRegL dst, iRegI src) %{
8121 effect(DEF dst, USE src);
8122 format %{ "SLLX $src,32,$dst\n\t"
8123 "SRLX $dst,32,O7\n\t"
8124 "OR $dst,O7,$dst\t! replicate2I" %}
8125 ins_encode( enc_repl2i(src, dst));
8126 ins_pipe(ialu_reg);
8127 %}
8129 // Replicate scalar to packed int values in Double register
8130 instruct Repl2I_reg(stackSlotD dst, iRegI src) %{
8131 match(Set dst (Replicate2I src));
8132 expand %{
8133 iRegL tmp;
8134 Repl2I_reg_helper(tmp, src);
8135 regL_to_stkD(dst, tmp);
8136 %}
8137 %}
8139 // Replicate scalar zero constant to packed int values in Double register
8140 instruct Repl2I_immI(regD dst, immI src, o7RegP tmp) %{
8141 match(Set dst (Replicate2I src));
8142 #ifdef _LP64
8143 size(36);
8144 #else
8145 size(8);
8146 #endif
8147 format %{ "SETHI hi(&Repl2($src)),$tmp\t!get Repl2I($src) from table\n\t"
8148 "LDDF [$tmp+lo(&Repl2($src))],$dst" %}
8149 ins_encode( LdReplImmI(src, dst, tmp, (2), (4)) );
8150 ins_pipe(loadConFD);
8151 %}
8153 //----------Control Flow Instructions------------------------------------------
8154 // Compare Instructions
8155 // Compare Integers
8156 instruct compI_iReg(flagsReg icc, iRegI op1, iRegI op2) %{
8157 match(Set icc (CmpI op1 op2));
8158 effect( DEF icc, USE op1, USE op2 );
8160 size(4);
8161 format %{ "CMP $op1,$op2" %}
8162 opcode(Assembler::subcc_op3, Assembler::arith_op);
8163 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8164 ins_pipe(ialu_cconly_reg_reg);
8165 %}
8167 instruct compU_iReg(flagsRegU icc, iRegI op1, iRegI op2) %{
8168 match(Set icc (CmpU op1 op2));
8170 size(4);
8171 format %{ "CMP $op1,$op2\t! unsigned" %}
8172 opcode(Assembler::subcc_op3, Assembler::arith_op);
8173 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8174 ins_pipe(ialu_cconly_reg_reg);
8175 %}
8177 instruct compI_iReg_imm13(flagsReg icc, iRegI op1, immI13 op2) %{
8178 match(Set icc (CmpI op1 op2));
8179 effect( DEF icc, USE op1 );
8181 size(4);
8182 format %{ "CMP $op1,$op2" %}
8183 opcode(Assembler::subcc_op3, Assembler::arith_op);
8184 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8185 ins_pipe(ialu_cconly_reg_imm);
8186 %}
8188 instruct testI_reg_reg( flagsReg icc, iRegI op1, iRegI op2, immI0 zero ) %{
8189 match(Set icc (CmpI (AndI op1 op2) zero));
8191 size(4);
8192 format %{ "BTST $op2,$op1" %}
8193 opcode(Assembler::andcc_op3, Assembler::arith_op);
8194 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8195 ins_pipe(ialu_cconly_reg_reg_zero);
8196 %}
8198 instruct testI_reg_imm( flagsReg icc, iRegI op1, immI13 op2, immI0 zero ) %{
8199 match(Set icc (CmpI (AndI op1 op2) zero));
8201 size(4);
8202 format %{ "BTST $op2,$op1" %}
8203 opcode(Assembler::andcc_op3, Assembler::arith_op);
8204 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8205 ins_pipe(ialu_cconly_reg_imm_zero);
8206 %}
8208 instruct compL_reg_reg(flagsRegL xcc, iRegL op1, iRegL op2 ) %{
8209 match(Set xcc (CmpL op1 op2));
8210 effect( DEF xcc, USE op1, USE op2 );
8212 size(4);
8213 format %{ "CMP $op1,$op2\t\t! long" %}
8214 opcode(Assembler::subcc_op3, Assembler::arith_op);
8215 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8216 ins_pipe(ialu_cconly_reg_reg);
8217 %}
8219 instruct compL_reg_con(flagsRegL xcc, iRegL op1, immL13 con) %{
8220 match(Set xcc (CmpL op1 con));
8221 effect( DEF xcc, USE op1, USE con );
8223 size(4);
8224 format %{ "CMP $op1,$con\t\t! long" %}
8225 opcode(Assembler::subcc_op3, Assembler::arith_op);
8226 ins_encode( form3_rs1_simm13_rd( op1, con, R_G0 ) );
8227 ins_pipe(ialu_cconly_reg_reg);
8228 %}
8230 instruct testL_reg_reg(flagsRegL xcc, iRegL op1, iRegL op2, immL0 zero) %{
8231 match(Set xcc (CmpL (AndL op1 op2) zero));
8232 effect( DEF xcc, USE op1, USE op2 );
8234 size(4);
8235 format %{ "BTST $op1,$op2\t\t! long" %}
8236 opcode(Assembler::andcc_op3, Assembler::arith_op);
8237 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8238 ins_pipe(ialu_cconly_reg_reg);
8239 %}
8241 // useful for checking the alignment of a pointer:
8242 instruct testL_reg_con(flagsRegL xcc, iRegL op1, immL13 con, immL0 zero) %{
8243 match(Set xcc (CmpL (AndL op1 con) zero));
8244 effect( DEF xcc, USE op1, USE con );
8246 size(4);
8247 format %{ "BTST $op1,$con\t\t! long" %}
8248 opcode(Assembler::andcc_op3, Assembler::arith_op);
8249 ins_encode( form3_rs1_simm13_rd( op1, con, R_G0 ) );
8250 ins_pipe(ialu_cconly_reg_reg);
8251 %}
8253 instruct compU_iReg_imm13(flagsRegU icc, iRegI op1, immU13 op2 ) %{
8254 match(Set icc (CmpU op1 op2));
8256 size(4);
8257 format %{ "CMP $op1,$op2\t! unsigned" %}
8258 opcode(Assembler::subcc_op3, Assembler::arith_op);
8259 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8260 ins_pipe(ialu_cconly_reg_imm);
8261 %}
8263 // Compare Pointers
8264 instruct compP_iRegP(flagsRegP pcc, iRegP op1, iRegP op2 ) %{
8265 match(Set pcc (CmpP op1 op2));
8267 size(4);
8268 format %{ "CMP $op1,$op2\t! ptr" %}
8269 opcode(Assembler::subcc_op3, Assembler::arith_op);
8270 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8271 ins_pipe(ialu_cconly_reg_reg);
8272 %}
8274 instruct compP_iRegP_imm13(flagsRegP pcc, iRegP op1, immP13 op2 ) %{
8275 match(Set pcc (CmpP op1 op2));
8277 size(4);
8278 format %{ "CMP $op1,$op2\t! ptr" %}
8279 opcode(Assembler::subcc_op3, Assembler::arith_op);
8280 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8281 ins_pipe(ialu_cconly_reg_imm);
8282 %}
8284 // Compare Narrow oops
8285 instruct compN_iRegN(flagsReg icc, iRegN op1, iRegN op2 ) %{
8286 match(Set icc (CmpN op1 op2));
8288 size(4);
8289 format %{ "CMP $op1,$op2\t! compressed ptr" %}
8290 opcode(Assembler::subcc_op3, Assembler::arith_op);
8291 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8292 ins_pipe(ialu_cconly_reg_reg);
8293 %}
8295 instruct compN_iRegN_immN0(flagsReg icc, iRegN op1, immN0 op2 ) %{
8296 match(Set icc (CmpN op1 op2));
8298 size(4);
8299 format %{ "CMP $op1,$op2\t! compressed ptr" %}
8300 opcode(Assembler::subcc_op3, Assembler::arith_op);
8301 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8302 ins_pipe(ialu_cconly_reg_imm);
8303 %}
8305 //----------Max and Min--------------------------------------------------------
8306 // Min Instructions
8307 // Conditional move for min
8308 instruct cmovI_reg_lt( iRegI op2, iRegI op1, flagsReg icc ) %{
8309 effect( USE_DEF op2, USE op1, USE icc );
8311 size(4);
8312 format %{ "MOVlt icc,$op1,$op2\t! min" %}
8313 opcode(Assembler::less);
8314 ins_encode( enc_cmov_reg_minmax(op2,op1) );
8315 ins_pipe(ialu_reg_flags);
8316 %}
8318 // Min Register with Register.
8319 instruct minI_eReg(iRegI op1, iRegI op2) %{
8320 match(Set op2 (MinI op1 op2));
8321 ins_cost(DEFAULT_COST*2);
8322 expand %{
8323 flagsReg icc;
8324 compI_iReg(icc,op1,op2);
8325 cmovI_reg_lt(op2,op1,icc);
8326 %}
8327 %}
8329 // Max Instructions
8330 // Conditional move for max
8331 instruct cmovI_reg_gt( iRegI op2, iRegI op1, flagsReg icc ) %{
8332 effect( USE_DEF op2, USE op1, USE icc );
8333 format %{ "MOVgt icc,$op1,$op2\t! max" %}
8334 opcode(Assembler::greater);
8335 ins_encode( enc_cmov_reg_minmax(op2,op1) );
8336 ins_pipe(ialu_reg_flags);
8337 %}
8339 // Max Register with Register
8340 instruct maxI_eReg(iRegI op1, iRegI op2) %{
8341 match(Set op2 (MaxI op1 op2));
8342 ins_cost(DEFAULT_COST*2);
8343 expand %{
8344 flagsReg icc;
8345 compI_iReg(icc,op1,op2);
8346 cmovI_reg_gt(op2,op1,icc);
8347 %}
8348 %}
8351 //----------Float Compares----------------------------------------------------
8352 // Compare floating, generate condition code
8353 instruct cmpF_cc(flagsRegF fcc, regF src1, regF src2) %{
8354 match(Set fcc (CmpF src1 src2));
8356 size(4);
8357 format %{ "FCMPs $fcc,$src1,$src2" %}
8358 opcode(Assembler::fpop2_op3, Assembler::arith_op, Assembler::fcmps_opf);
8359 ins_encode( form3_opf_rs1F_rs2F_fcc( src1, src2, fcc ) );
8360 ins_pipe(faddF_fcc_reg_reg_zero);
8361 %}
8363 instruct cmpD_cc(flagsRegF fcc, regD src1, regD src2) %{
8364 match(Set fcc (CmpD src1 src2));
8366 size(4);
8367 format %{ "FCMPd $fcc,$src1,$src2" %}
8368 opcode(Assembler::fpop2_op3, Assembler::arith_op, Assembler::fcmpd_opf);
8369 ins_encode( form3_opf_rs1D_rs2D_fcc( src1, src2, fcc ) );
8370 ins_pipe(faddD_fcc_reg_reg_zero);
8371 %}
8374 // Compare floating, generate -1,0,1
8375 instruct cmpF_reg(iRegI dst, regF src1, regF src2, flagsRegF0 fcc0) %{
8376 match(Set dst (CmpF3 src1 src2));
8377 effect(KILL fcc0);
8378 ins_cost(DEFAULT_COST*3+BRANCH_COST*3);
8379 format %{ "fcmpl $dst,$src1,$src2" %}
8380 // Primary = float
8381 opcode( true );
8382 ins_encode( floating_cmp( dst, src1, src2 ) );
8383 ins_pipe( floating_cmp );
8384 %}
8386 instruct cmpD_reg(iRegI dst, regD src1, regD src2, flagsRegF0 fcc0) %{
8387 match(Set dst (CmpD3 src1 src2));
8388 effect(KILL fcc0);
8389 ins_cost(DEFAULT_COST*3+BRANCH_COST*3);
8390 format %{ "dcmpl $dst,$src1,$src2" %}
8391 // Primary = double (not float)
8392 opcode( false );
8393 ins_encode( floating_cmp( dst, src1, src2 ) );
8394 ins_pipe( floating_cmp );
8395 %}
8397 //----------Branches---------------------------------------------------------
8398 // Jump
8399 // (compare 'operand indIndex' and 'instruct addP_reg_reg' above)
8400 instruct jumpXtnd(iRegX switch_val, o7RegI table) %{
8401 match(Jump switch_val);
8403 ins_cost(350);
8405 format %{ "SETHI [hi(table_base)],O7\n\t"
8406 "ADD O7, lo(table_base), O7\n\t"
8407 "LD [O7+$switch_val], O7\n\t"
8408 "JUMP O7"
8409 %}
8410 ins_encode( jump_enc( switch_val, table) );
8411 ins_pc_relative(1);
8412 ins_pipe(ialu_reg_reg);
8413 %}
8415 // Direct Branch. Use V8 version with longer range.
8416 instruct branch(label labl) %{
8417 match(Goto);
8418 effect(USE labl);
8420 size(8);
8421 ins_cost(BRANCH_COST);
8422 format %{ "BA $labl" %}
8423 // Prim = bits 24-22, Secnd = bits 31-30, Tert = cond
8424 opcode(Assembler::br_op2, Assembler::branch_op, Assembler::always);
8425 ins_encode( enc_ba( labl ) );
8426 ins_pc_relative(1);
8427 ins_pipe(br);
8428 %}
8430 // Conditional Direct Branch
8431 instruct branchCon(cmpOp cmp, flagsReg icc, label labl) %{
8432 match(If cmp icc);
8433 effect(USE labl);
8435 size(8);
8436 ins_cost(BRANCH_COST);
8437 format %{ "BP$cmp $icc,$labl" %}
8438 // Prim = bits 24-22, Secnd = bits 31-30
8439 ins_encode( enc_bp( labl, cmp, icc ) );
8440 ins_pc_relative(1);
8441 ins_pipe(br_cc);
8442 %}
8444 // Branch-on-register tests all 64 bits. We assume that values
8445 // in 64-bit registers always remains zero or sign extended
8446 // unless our code munges the high bits. Interrupts can chop
8447 // the high order bits to zero or sign at any time.
8448 instruct branchCon_regI(cmpOp_reg cmp, iRegI op1, immI0 zero, label labl) %{
8449 match(If cmp (CmpI op1 zero));
8450 predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf));
8451 effect(USE labl);
8453 size(8);
8454 ins_cost(BRANCH_COST);
8455 format %{ "BR$cmp $op1,$labl" %}
8456 ins_encode( enc_bpr( labl, cmp, op1 ) );
8457 ins_pc_relative(1);
8458 ins_pipe(br_reg);
8459 %}
8461 instruct branchCon_regP(cmpOp_reg cmp, iRegP op1, immP0 null, label labl) %{
8462 match(If cmp (CmpP op1 null));
8463 predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf));
8464 effect(USE labl);
8466 size(8);
8467 ins_cost(BRANCH_COST);
8468 format %{ "BR$cmp $op1,$labl" %}
8469 ins_encode( enc_bpr( labl, cmp, op1 ) );
8470 ins_pc_relative(1);
8471 ins_pipe(br_reg);
8472 %}
8474 instruct branchCon_regL(cmpOp_reg cmp, iRegL op1, immL0 zero, label labl) %{
8475 match(If cmp (CmpL op1 zero));
8476 predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf));
8477 effect(USE labl);
8479 size(8);
8480 ins_cost(BRANCH_COST);
8481 format %{ "BR$cmp $op1,$labl" %}
8482 ins_encode( enc_bpr( labl, cmp, op1 ) );
8483 ins_pc_relative(1);
8484 ins_pipe(br_reg);
8485 %}
8487 instruct branchConU(cmpOpU cmp, flagsRegU icc, label labl) %{
8488 match(If cmp icc);
8489 effect(USE labl);
8491 format %{ "BP$cmp $icc,$labl" %}
8492 // Prim = bits 24-22, Secnd = bits 31-30
8493 ins_encode( enc_bp( labl, cmp, icc ) );
8494 ins_pc_relative(1);
8495 ins_pipe(br_cc);
8496 %}
8498 instruct branchConP(cmpOpP cmp, flagsRegP pcc, label labl) %{
8499 match(If cmp pcc);
8500 effect(USE labl);
8502 size(8);
8503 ins_cost(BRANCH_COST);
8504 format %{ "BP$cmp $pcc,$labl" %}
8505 // Prim = bits 24-22, Secnd = bits 31-30
8506 ins_encode( enc_bpx( labl, cmp, pcc ) );
8507 ins_pc_relative(1);
8508 ins_pipe(br_cc);
8509 %}
8511 instruct branchConF(cmpOpF cmp, flagsRegF fcc, label labl) %{
8512 match(If cmp fcc);
8513 effect(USE labl);
8515 size(8);
8516 ins_cost(BRANCH_COST);
8517 format %{ "FBP$cmp $fcc,$labl" %}
8518 // Prim = bits 24-22, Secnd = bits 31-30
8519 ins_encode( enc_fbp( labl, cmp, fcc ) );
8520 ins_pc_relative(1);
8521 ins_pipe(br_fcc);
8522 %}
8524 instruct branchLoopEnd(cmpOp cmp, flagsReg icc, label labl) %{
8525 match(CountedLoopEnd cmp icc);
8526 effect(USE labl);
8528 size(8);
8529 ins_cost(BRANCH_COST);
8530 format %{ "BP$cmp $icc,$labl\t! Loop end" %}
8531 // Prim = bits 24-22, Secnd = bits 31-30
8532 ins_encode( enc_bp( labl, cmp, icc ) );
8533 ins_pc_relative(1);
8534 ins_pipe(br_cc);
8535 %}
8537 instruct branchLoopEndU(cmpOpU cmp, flagsRegU icc, label labl) %{
8538 match(CountedLoopEnd cmp icc);
8539 effect(USE labl);
8541 size(8);
8542 ins_cost(BRANCH_COST);
8543 format %{ "BP$cmp $icc,$labl\t! Loop end" %}
8544 // Prim = bits 24-22, Secnd = bits 31-30
8545 ins_encode( enc_bp( labl, cmp, icc ) );
8546 ins_pc_relative(1);
8547 ins_pipe(br_cc);
8548 %}
8550 // ============================================================================
8551 // Long Compare
8552 //
8553 // Currently we hold longs in 2 registers. Comparing such values efficiently
8554 // is tricky. The flavor of compare used depends on whether we are testing
8555 // for LT, LE, or EQ. For a simple LT test we can check just the sign bit.
8556 // The GE test is the negated LT test. The LE test can be had by commuting
8557 // the operands (yielding a GE test) and then negating; negate again for the
8558 // GT test. The EQ test is done by ORcc'ing the high and low halves, and the
8559 // NE test is negated from that.
8561 // Due to a shortcoming in the ADLC, it mixes up expressions like:
8562 // (foo (CmpI (CmpL X Y) 0)) and (bar (CmpI (CmpL X 0L) 0)). Note the
8563 // difference between 'Y' and '0L'. The tree-matches for the CmpI sections
8564 // are collapsed internally in the ADLC's dfa-gen code. The match for
8565 // (CmpI (CmpL X Y) 0) is silently replaced with (CmpI (CmpL X 0L) 0) and the
8566 // foo match ends up with the wrong leaf. One fix is to not match both
8567 // reg-reg and reg-zero forms of long-compare. This is unfortunate because
8568 // both forms beat the trinary form of long-compare and both are very useful
8569 // on Intel which has so few registers.
8571 instruct branchCon_long(cmpOp cmp, flagsRegL xcc, label labl) %{
8572 match(If cmp xcc);
8573 effect(USE labl);
8575 size(8);
8576 ins_cost(BRANCH_COST);
8577 format %{ "BP$cmp $xcc,$labl" %}
8578 // Prim = bits 24-22, Secnd = bits 31-30
8579 ins_encode( enc_bpl( labl, cmp, xcc ) );
8580 ins_pc_relative(1);
8581 ins_pipe(br_cc);
8582 %}
8584 // Manifest a CmpL3 result in an integer register. Very painful.
8585 // This is the test to avoid.
8586 instruct cmpL3_reg_reg(iRegI dst, iRegL src1, iRegL src2, flagsReg ccr ) %{
8587 match(Set dst (CmpL3 src1 src2) );
8588 effect( KILL ccr );
8589 ins_cost(6*DEFAULT_COST);
8590 size(24);
8591 format %{ "CMP $src1,$src2\t\t! long\n"
8592 "\tBLT,a,pn done\n"
8593 "\tMOV -1,$dst\t! delay slot\n"
8594 "\tBGT,a,pn done\n"
8595 "\tMOV 1,$dst\t! delay slot\n"
8596 "\tCLR $dst\n"
8597 "done:" %}
8598 ins_encode( cmpl_flag(src1,src2,dst) );
8599 ins_pipe(cmpL_reg);
8600 %}
8602 // Conditional move
8603 instruct cmovLL_reg(cmpOp cmp, flagsRegL xcc, iRegL dst, iRegL src) %{
8604 match(Set dst (CMoveL (Binary cmp xcc) (Binary dst src)));
8605 ins_cost(150);
8606 format %{ "MOV$cmp $xcc,$src,$dst\t! long" %}
8607 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8608 ins_pipe(ialu_reg);
8609 %}
8611 instruct cmovLL_imm(cmpOp cmp, flagsRegL xcc, iRegL dst, immL0 src) %{
8612 match(Set dst (CMoveL (Binary cmp xcc) (Binary dst src)));
8613 ins_cost(140);
8614 format %{ "MOV$cmp $xcc,$src,$dst\t! long" %}
8615 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) );
8616 ins_pipe(ialu_imm);
8617 %}
8619 instruct cmovIL_reg(cmpOp cmp, flagsRegL xcc, iRegI dst, iRegI src) %{
8620 match(Set dst (CMoveI (Binary cmp xcc) (Binary dst src)));
8621 ins_cost(150);
8622 format %{ "MOV$cmp $xcc,$src,$dst" %}
8623 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8624 ins_pipe(ialu_reg);
8625 %}
8627 instruct cmovIL_imm(cmpOp cmp, flagsRegL xcc, iRegI dst, immI11 src) %{
8628 match(Set dst (CMoveI (Binary cmp xcc) (Binary dst src)));
8629 ins_cost(140);
8630 format %{ "MOV$cmp $xcc,$src,$dst" %}
8631 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) );
8632 ins_pipe(ialu_imm);
8633 %}
8635 instruct cmovNL_reg(cmpOp cmp, flagsRegL xcc, iRegN dst, iRegN src) %{
8636 match(Set dst (CMoveN (Binary cmp xcc) (Binary dst src)));
8637 ins_cost(150);
8638 format %{ "MOV$cmp $xcc,$src,$dst" %}
8639 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8640 ins_pipe(ialu_reg);
8641 %}
8643 instruct cmovPL_reg(cmpOp cmp, flagsRegL xcc, iRegP dst, iRegP src) %{
8644 match(Set dst (CMoveP (Binary cmp xcc) (Binary dst src)));
8645 ins_cost(150);
8646 format %{ "MOV$cmp $xcc,$src,$dst" %}
8647 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8648 ins_pipe(ialu_reg);
8649 %}
8651 instruct cmovPL_imm(cmpOp cmp, flagsRegL xcc, iRegP dst, immP0 src) %{
8652 match(Set dst (CMoveP (Binary cmp xcc) (Binary dst src)));
8653 ins_cost(140);
8654 format %{ "MOV$cmp $xcc,$src,$dst" %}
8655 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) );
8656 ins_pipe(ialu_imm);
8657 %}
8659 instruct cmovFL_reg(cmpOp cmp, flagsRegL xcc, regF dst, regF src) %{
8660 match(Set dst (CMoveF (Binary cmp xcc) (Binary dst src)));
8661 ins_cost(150);
8662 opcode(0x101);
8663 format %{ "FMOVS$cmp $xcc,$src,$dst" %}
8664 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::xcc)) );
8665 ins_pipe(int_conditional_float_move);
8666 %}
8668 instruct cmovDL_reg(cmpOp cmp, flagsRegL xcc, regD dst, regD src) %{
8669 match(Set dst (CMoveD (Binary cmp xcc) (Binary dst src)));
8670 ins_cost(150);
8671 opcode(0x102);
8672 format %{ "FMOVD$cmp $xcc,$src,$dst" %}
8673 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::xcc)) );
8674 ins_pipe(int_conditional_float_move);
8675 %}
8677 // ============================================================================
8678 // Safepoint Instruction
8679 instruct safePoint_poll(iRegP poll) %{
8680 match(SafePoint poll);
8681 effect(USE poll);
8683 size(4);
8684 #ifdef _LP64
8685 format %{ "LDX [$poll],R_G0\t! Safepoint: poll for GC" %}
8686 #else
8687 format %{ "LDUW [$poll],R_G0\t! Safepoint: poll for GC" %}
8688 #endif
8689 ins_encode %{
8690 __ relocate(relocInfo::poll_type);
8691 __ ld_ptr($poll$$Register, 0, G0);
8692 %}
8693 ins_pipe(loadPollP);
8694 %}
8696 // ============================================================================
8697 // Call Instructions
8698 // Call Java Static Instruction
8699 instruct CallStaticJavaDirect( method meth ) %{
8700 match(CallStaticJava);
8701 effect(USE meth);
8703 size(8);
8704 ins_cost(CALL_COST);
8705 format %{ "CALL,static ; NOP ==> " %}
8706 ins_encode( Java_Static_Call( meth ), call_epilog );
8707 ins_pc_relative(1);
8708 ins_pipe(simple_call);
8709 %}
8711 // Call Java Dynamic Instruction
8712 instruct CallDynamicJavaDirect( method meth ) %{
8713 match(CallDynamicJava);
8714 effect(USE meth);
8716 ins_cost(CALL_COST);
8717 format %{ "SET (empty),R_G5\n\t"
8718 "CALL,dynamic ; NOP ==> " %}
8719 ins_encode( Java_Dynamic_Call( meth ), call_epilog );
8720 ins_pc_relative(1);
8721 ins_pipe(call);
8722 %}
8724 // Call Runtime Instruction
8725 instruct CallRuntimeDirect(method meth, l7RegP l7) %{
8726 match(CallRuntime);
8727 effect(USE meth, KILL l7);
8728 ins_cost(CALL_COST);
8729 format %{ "CALL,runtime" %}
8730 ins_encode( Java_To_Runtime( meth ),
8731 call_epilog, adjust_long_from_native_call );
8732 ins_pc_relative(1);
8733 ins_pipe(simple_call);
8734 %}
8736 // Call runtime without safepoint - same as CallRuntime
8737 instruct CallLeafDirect(method meth, l7RegP l7) %{
8738 match(CallLeaf);
8739 effect(USE meth, KILL l7);
8740 ins_cost(CALL_COST);
8741 format %{ "CALL,runtime leaf" %}
8742 ins_encode( Java_To_Runtime( meth ),
8743 call_epilog,
8744 adjust_long_from_native_call );
8745 ins_pc_relative(1);
8746 ins_pipe(simple_call);
8747 %}
8749 // Call runtime without safepoint - same as CallLeaf
8750 instruct CallLeafNoFPDirect(method meth, l7RegP l7) %{
8751 match(CallLeafNoFP);
8752 effect(USE meth, KILL l7);
8753 ins_cost(CALL_COST);
8754 format %{ "CALL,runtime leaf nofp" %}
8755 ins_encode( Java_To_Runtime( meth ),
8756 call_epilog,
8757 adjust_long_from_native_call );
8758 ins_pc_relative(1);
8759 ins_pipe(simple_call);
8760 %}
8762 // Tail Call; Jump from runtime stub to Java code.
8763 // Also known as an 'interprocedural jump'.
8764 // Target of jump will eventually return to caller.
8765 // TailJump below removes the return address.
8766 instruct TailCalljmpInd(g3RegP jump_target, inline_cache_regP method_oop) %{
8767 match(TailCall jump_target method_oop );
8769 ins_cost(CALL_COST);
8770 format %{ "Jmp $jump_target ; NOP \t! $method_oop holds method oop" %}
8771 ins_encode(form_jmpl(jump_target));
8772 ins_pipe(tail_call);
8773 %}
8776 // Return Instruction
8777 instruct Ret() %{
8778 match(Return);
8780 // The epilogue node did the ret already.
8781 size(0);
8782 format %{ "! return" %}
8783 ins_encode();
8784 ins_pipe(empty);
8785 %}
8788 // Tail Jump; remove the return address; jump to target.
8789 // TailCall above leaves the return address around.
8790 // TailJump is used in only one place, the rethrow_Java stub (fancy_jump=2).
8791 // ex_oop (Exception Oop) is needed in %o0 at the jump. As there would be a
8792 // "restore" before this instruction (in Epilogue), we need to materialize it
8793 // in %i0.
8794 instruct tailjmpInd(g1RegP jump_target, i0RegP ex_oop) %{
8795 match( TailJump jump_target ex_oop );
8796 ins_cost(CALL_COST);
8797 format %{ "! discard R_O7\n\t"
8798 "Jmp $jump_target ; ADD O7,8,O1 \t! $ex_oop holds exc. oop" %}
8799 ins_encode(form_jmpl_set_exception_pc(jump_target));
8800 // opcode(Assembler::jmpl_op3, Assembler::arith_op);
8801 // The hack duplicates the exception oop into G3, so that CreateEx can use it there.
8802 // ins_encode( form3_rs1_simm13_rd( jump_target, 0x00, R_G0 ), move_return_pc_to_o1() );
8803 ins_pipe(tail_call);
8804 %}
8806 // Create exception oop: created by stack-crawling runtime code.
8807 // Created exception is now available to this handler, and is setup
8808 // just prior to jumping to this handler. No code emitted.
8809 instruct CreateException( o0RegP ex_oop )
8810 %{
8811 match(Set ex_oop (CreateEx));
8812 ins_cost(0);
8814 size(0);
8815 // use the following format syntax
8816 format %{ "! exception oop is in R_O0; no code emitted" %}
8817 ins_encode();
8818 ins_pipe(empty);
8819 %}
8822 // Rethrow exception:
8823 // The exception oop will come in the first argument position.
8824 // Then JUMP (not call) to the rethrow stub code.
8825 instruct RethrowException()
8826 %{
8827 match(Rethrow);
8828 ins_cost(CALL_COST);
8830 // use the following format syntax
8831 format %{ "Jmp rethrow_stub" %}
8832 ins_encode(enc_rethrow);
8833 ins_pipe(tail_call);
8834 %}
8837 // Die now
8838 instruct ShouldNotReachHere( )
8839 %{
8840 match(Halt);
8841 ins_cost(CALL_COST);
8843 size(4);
8844 // Use the following format syntax
8845 format %{ "ILLTRAP ; ShouldNotReachHere" %}
8846 ins_encode( form2_illtrap() );
8847 ins_pipe(tail_call);
8848 %}
8850 // ============================================================================
8851 // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass
8852 // array for an instance of the superklass. Set a hidden internal cache on a
8853 // hit (cache is checked with exposed code in gen_subtype_check()). Return
8854 // not zero for a miss or zero for a hit. The encoding ALSO sets flags.
8855 instruct partialSubtypeCheck( o0RegP index, o1RegP sub, o2RegP super, flagsRegP pcc, o7RegP o7 ) %{
8856 match(Set index (PartialSubtypeCheck sub super));
8857 effect( KILL pcc, KILL o7 );
8858 ins_cost(DEFAULT_COST*10);
8859 format %{ "CALL PartialSubtypeCheck\n\tNOP" %}
8860 ins_encode( enc_PartialSubtypeCheck() );
8861 ins_pipe(partial_subtype_check_pipe);
8862 %}
8864 instruct partialSubtypeCheck_vs_zero( flagsRegP pcc, o1RegP sub, o2RegP super, immP0 zero, o0RegP idx, o7RegP o7 ) %{
8865 match(Set pcc (CmpP (PartialSubtypeCheck sub super) zero));
8866 effect( KILL idx, KILL o7 );
8867 ins_cost(DEFAULT_COST*10);
8868 format %{ "CALL PartialSubtypeCheck\n\tNOP\t# (sets condition codes)" %}
8869 ins_encode( enc_PartialSubtypeCheck() );
8870 ins_pipe(partial_subtype_check_pipe);
8871 %}
8874 // ============================================================================
8875 // inlined locking and unlocking
8877 instruct cmpFastLock(flagsRegP pcc, iRegP object, iRegP box, iRegP scratch2, o7RegP scratch ) %{
8878 match(Set pcc (FastLock object box));
8880 effect(KILL scratch, TEMP scratch2);
8881 ins_cost(100);
8883 size(4*112); // conservative overestimation ...
8884 format %{ "FASTLOCK $object, $box; KILL $scratch, $scratch2, $box" %}
8885 ins_encode( Fast_Lock(object, box, scratch, scratch2) );
8886 ins_pipe(long_memory_op);
8887 %}
8890 instruct cmpFastUnlock(flagsRegP pcc, iRegP object, iRegP box, iRegP scratch2, o7RegP scratch ) %{
8891 match(Set pcc (FastUnlock object box));
8892 effect(KILL scratch, TEMP scratch2);
8893 ins_cost(100);
8895 size(4*120); // conservative overestimation ...
8896 format %{ "FASTUNLOCK $object, $box; KILL $scratch, $scratch2, $box" %}
8897 ins_encode( Fast_Unlock(object, box, scratch, scratch2) );
8898 ins_pipe(long_memory_op);
8899 %}
8901 // Count and Base registers are fixed because the allocator cannot
8902 // kill unknown registers. The encodings are generic.
8903 instruct clear_array(iRegX cnt, iRegP base, iRegX temp, Universe dummy, flagsReg ccr) %{
8904 match(Set dummy (ClearArray cnt base));
8905 effect(TEMP temp, KILL ccr);
8906 ins_cost(300);
8907 format %{ "MOV $cnt,$temp\n"
8908 "loop: SUBcc $temp,8,$temp\t! Count down a dword of bytes\n"
8909 " BRge loop\t\t! Clearing loop\n"
8910 " STX G0,[$base+$temp]\t! delay slot" %}
8911 ins_encode( enc_Clear_Array(cnt, base, temp) );
8912 ins_pipe(long_memory_op);
8913 %}
8915 instruct string_compare(o0RegP str1, o1RegP str2, g3RegP tmp1, g4RegP tmp2, notemp_iRegI result,
8916 o7RegI tmp3, flagsReg ccr) %{
8917 match(Set result (StrComp str1 str2));
8918 effect(USE_KILL str1, USE_KILL str2, KILL tmp1, KILL tmp2, KILL ccr, KILL tmp3);
8919 ins_cost(300);
8920 format %{ "String Compare $str1,$str2 -> $result" %}
8921 ins_encode( enc_String_Compare(str1, str2, tmp1, tmp2, result) );
8922 ins_pipe(long_memory_op);
8923 %}
8925 // ============================================================================
8926 //------------Bytes reverse--------------------------------------------------
8928 instruct bytes_reverse_int(iRegI dst, stackSlotI src) %{
8929 match(Set dst (ReverseBytesI src));
8930 effect(DEF dst, USE src);
8932 // Op cost is artificially doubled to make sure that load or store
8933 // instructions are preferred over this one which requires a spill
8934 // onto a stack slot.
8935 ins_cost(2*DEFAULT_COST + MEMORY_REF_COST);
8936 size(8);
8937 format %{ "LDUWA $src, $dst\t!asi=primary_little" %}
8938 opcode(Assembler::lduwa_op3);
8939 ins_encode( form3_mem_reg_little(src, dst) );
8940 ins_pipe( iload_mem );
8941 %}
8943 instruct bytes_reverse_long(iRegL dst, stackSlotL src) %{
8944 match(Set dst (ReverseBytesL src));
8945 effect(DEF dst, USE src);
8947 // Op cost is artificially doubled to make sure that load or store
8948 // instructions are preferred over this one which requires a spill
8949 // onto a stack slot.
8950 ins_cost(2*DEFAULT_COST + MEMORY_REF_COST);
8951 size(8);
8952 format %{ "LDXA $src, $dst\t!asi=primary_little" %}
8954 opcode(Assembler::ldxa_op3);
8955 ins_encode( form3_mem_reg_little(src, dst) );
8956 ins_pipe( iload_mem );
8957 %}
8959 // Load Integer reversed byte order
8960 instruct loadI_reversed(iRegI dst, memory src) %{
8961 match(Set dst (ReverseBytesI (LoadI src)));
8963 ins_cost(DEFAULT_COST + MEMORY_REF_COST);
8964 size(8);
8965 format %{ "LDUWA $src, $dst\t!asi=primary_little" %}
8967 opcode(Assembler::lduwa_op3);
8968 ins_encode( form3_mem_reg_little( src, dst) );
8969 ins_pipe(iload_mem);
8970 %}
8972 // Load Long - aligned and reversed
8973 instruct loadL_reversed(iRegL dst, memory src) %{
8974 match(Set dst (ReverseBytesL (LoadL src)));
8976 ins_cost(DEFAULT_COST + MEMORY_REF_COST);
8977 size(8);
8978 format %{ "LDXA $src, $dst\t!asi=primary_little" %}
8980 opcode(Assembler::ldxa_op3);
8981 ins_encode( form3_mem_reg_little( src, dst ) );
8982 ins_pipe(iload_mem);
8983 %}
8985 // Store Integer reversed byte order
8986 instruct storeI_reversed(memory dst, iRegI src) %{
8987 match(Set dst (StoreI dst (ReverseBytesI src)));
8989 ins_cost(MEMORY_REF_COST);
8990 size(8);
8991 format %{ "STWA $src, $dst\t!asi=primary_little" %}
8993 opcode(Assembler::stwa_op3);
8994 ins_encode( form3_mem_reg_little( dst, src) );
8995 ins_pipe(istore_mem_reg);
8996 %}
8998 // Store Long reversed byte order
8999 instruct storeL_reversed(memory dst, iRegL src) %{
9000 match(Set dst (StoreL dst (ReverseBytesL src)));
9002 ins_cost(MEMORY_REF_COST);
9003 size(8);
9004 format %{ "STXA $src, $dst\t!asi=primary_little" %}
9006 opcode(Assembler::stxa_op3);
9007 ins_encode( form3_mem_reg_little( dst, src) );
9008 ins_pipe(istore_mem_reg);
9009 %}
9011 //----------PEEPHOLE RULES-----------------------------------------------------
9012 // These must follow all instruction definitions as they use the names
9013 // defined in the instructions definitions.
9014 //
9015 // peepmatch ( root_instr_name [preceeding_instruction]* );
9016 //
9017 // peepconstraint %{
9018 // (instruction_number.operand_name relational_op instruction_number.operand_name
9019 // [, ...] );
9020 // // instruction numbers are zero-based using left to right order in peepmatch
9021 //
9022 // peepreplace ( instr_name ( [instruction_number.operand_name]* ) );
9023 // // provide an instruction_number.operand_name for each operand that appears
9024 // // in the replacement instruction's match rule
9025 //
9026 // ---------VM FLAGS---------------------------------------------------------
9027 //
9028 // All peephole optimizations can be turned off using -XX:-OptoPeephole
9029 //
9030 // Each peephole rule is given an identifying number starting with zero and
9031 // increasing by one in the order seen by the parser. An individual peephole
9032 // can be enabled, and all others disabled, by using -XX:OptoPeepholeAt=#
9033 // on the command-line.
9034 //
9035 // ---------CURRENT LIMITATIONS----------------------------------------------
9036 //
9037 // Only match adjacent instructions in same basic block
9038 // Only equality constraints
9039 // Only constraints between operands, not (0.dest_reg == EAX_enc)
9040 // Only one replacement instruction
9041 //
9042 // ---------EXAMPLE----------------------------------------------------------
9043 //
9044 // // pertinent parts of existing instructions in architecture description
9045 // instruct movI(eRegI dst, eRegI src) %{
9046 // match(Set dst (CopyI src));
9047 // %}
9048 //
9049 // instruct incI_eReg(eRegI dst, immI1 src, eFlagsReg cr) %{
9050 // match(Set dst (AddI dst src));
9051 // effect(KILL cr);
9052 // %}
9053 //
9054 // // Change (inc mov) to lea
9055 // peephole %{
9056 // // increment preceeded by register-register move
9057 // peepmatch ( incI_eReg movI );
9058 // // require that the destination register of the increment
9059 // // match the destination register of the move
9060 // peepconstraint ( 0.dst == 1.dst );
9061 // // construct a replacement instruction that sets
9062 // // the destination to ( move's source register + one )
9063 // peepreplace ( incI_eReg_immI1( 0.dst 1.src 0.src ) );
9064 // %}
9065 //
9067 // // Change load of spilled value to only a spill
9068 // instruct storeI(memory mem, eRegI src) %{
9069 // match(Set mem (StoreI mem src));
9070 // %}
9071 //
9072 // instruct loadI(eRegI dst, memory mem) %{
9073 // match(Set dst (LoadI mem));
9074 // %}
9075 //
9076 // peephole %{
9077 // peepmatch ( loadI storeI );
9078 // peepconstraint ( 1.src == 0.dst, 1.mem == 0.mem );
9079 // peepreplace ( storeI( 1.mem 1.mem 1.src ) );
9080 // %}
9082 //----------SMARTSPILL RULES---------------------------------------------------
9083 // These must follow all instruction definitions as they use the names
9084 // defined in the instructions definitions.
9085 //
9086 // SPARC will probably not have any of these rules due to RISC instruction set.
9088 //----------PIPELINE-----------------------------------------------------------
9089 // Rules which define the behavior of the target architectures pipeline.