src/cpu/mips/vm/bytecodeInterpreter_mips.inline.hpp

Tue, 26 Jul 2016 17:06:17 +0800

author
fujie
date
Tue, 26 Jul 2016 17:06:17 +0800
changeset 41
d885f8d65c58
parent 1
2d8a650513c2
child 6880
52ea28d233d2
permissions
-rw-r--r--

Add multiply word to GPR instruction (mul) in MIPS assembler.

     1 /*
     2  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
     3  * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     5  *
     6  * This code is free software; you can redistribute it and/or modify it
     7  * under the terms of the GNU General Public License version 2 only, as
     8  * published by the Free Software Foundation.
     9  *
    10  * This code is distributed in the hope that it will be useful, but WITHOUT
    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    13  * version 2 for more details (a copy is included in the LICENSE file that
    14  * accompanied this code).
    15  *
    16  * You should have received a copy of the GNU General Public License version
    17  * 2 along with this work; if not, write to the Free Software Foundation,
    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    19  *
    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    21  * or visit www.oracle.com if you need additional information or have any
    22  * questions.
    23  *
    24  */
    26 #ifndef CPU_MIPS_VM_BYTECODEINTERPRETER_MIPS_INLINE_HPP
    27 #define CPU_MIPS_VM_BYTECODEINTERPRETER_MIPS_INLINE_HPP
    29 // Inline interpreter functions for IA32
    31 inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; }
    32 inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; }
    33 inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; }
    34 inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; }
    35 inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return fmod(op1, op2); }
    37 inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; }
    39 inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) {
    40   return ( op1 < op2 ? -1 :
    41                op1 > op2 ? 1 :
    42                    op1 == op2 ? 0 :
    43                        (direction == -1 || direction == 1) ? direction : 0);
    45 }
    47 inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) {
    48   // x86 can do unaligned copies but not 64bits at a time
    49   to[0] = from[0]; to[1] = from[1];
    50 }
    52 // The long operations depend on compiler support for "long long" on x86
    54 inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) {
    55   return op1 + op2;
    56 }
    58 inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) {
    59   return op1 & op2;
    60 }
    62 inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) {
    63   // QQQ what about check and throw...
    64   return op1 / op2;
    65 }
    67 inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) {
    68   return op1 * op2;
    69 }
    71 inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) {
    72   return op1 | op2;
    73 }
    75 inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) {
    76   return op1 - op2;
    77 }
    79 inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) {
    80   return op1 ^ op2;
    81 }
    83 inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) {
    84   return op1 % op2;
    85 }
    87 inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) {
    88   // CVM did this 0x3f mask, is the really needed??? QQQ
    89   return ((unsigned long long) op1) >> (op2 & 0x3F);
    90 }
    92 inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) {
    93   return op1 >> (op2 & 0x3F);
    94 }
    96 inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) {
    97   return op1 << (op2 & 0x3F);
    98 }
   100 inline jlong BytecodeInterpreter::VMlongNeg(jlong op) {
   101   return -op;
   102 }
   104 inline jlong BytecodeInterpreter::VMlongNot(jlong op) {
   105   return ~op;
   106 }
   108 inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) {
   109   return (op <= 0);
   110 }
   112 inline int32_t BytecodeInterpreter::VMlongGez(jlong op) {
   113   return (op >= 0);
   114 }
   116 inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) {
   117   return (op == 0);
   118 }
   120 inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) {
   121   return (op1 == op2);
   122 }
   124 inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) {
   125   return (op1 != op2);
   126 }
   128 inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) {
   129   return (op1 >= op2);
   130 }
   132 inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) {
   133   return (op1 <= op2);
   134 }
   136 inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) {
   137   return (op1 < op2);
   138 }
   140 inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) {
   141   return (op1 > op2);
   142 }
   144 inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) {
   145   return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0);
   146 }
   148 // Long conversions
   150 inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) {
   151   return (jdouble) val;
   152 }
   154 inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) {
   155   return (jfloat) val;
   156 }
   158 inline jint BytecodeInterpreter::VMlong2Int(jlong val) {
   159   return (jint) val;
   160 }
   162 // Double Arithmetic
   164 inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) {
   165   return op1 + op2;
   166 }
   168 inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) {
   169   // Divide by zero... QQQ
   170   return op1 / op2;
   171 }
   173 inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) {
   174   return op1 * op2;
   175 }
   177 inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) {
   178   return -op;
   179 }
   181 inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) {
   182   return fmod(op1, op2);
   183 }
   185 inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) {
   186   return op1 - op2;
   187 }
   189 inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) {
   190   return ( op1 < op2 ? -1 :
   191                op1 > op2 ? 1 :
   192                    op1 == op2 ? 0 :
   193                        (direction == -1 || direction == 1) ? direction : 0);
   194 }
   196 // Double Conversions
   198 inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) {
   199   return (jfloat) val;
   200 }
   202 // Float Conversions
   204 inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) {
   205   return (jdouble) op;
   206 }
   208 // Integer Arithmetic
   210 inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) {
   211   return op1 + op2;
   212 }
   214 inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) {
   215   return op1 & op2;
   216 }
   218 inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) {
   219   /* it's possible we could catch this special case implicitly */
   220   if ((juint)op1 == 0x80000000 && op2 == -1) return op1;
   221   else return op1 / op2;
   222 }
   224 inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) {
   225   return op1 * op2;
   226 }
   228 inline jint BytecodeInterpreter::VMintNeg(jint op) {
   229   return -op;
   230 }
   232 inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) {
   233   return op1 | op2;
   234 }
   236 inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) {
   237   /* it's possible we could catch this special case implicitly */
   238   if ((juint)op1 == 0x80000000 && op2 == -1) return 0;
   239   else return op1 % op2;
   240 }
   242 inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) {
   243   return op1 <<  op2;
   244 }
   246 inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) {
   247   return op1 >> (op2 & 0x1f); // QQ op2 & 0x1f??
   248 }
   250 inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) {
   251   return op1 - op2;
   252 }
   254 inline jint BytecodeInterpreter::VMintUshr(jint op1, jint op2) {
   255   return ((juint) op1) >> (op2 & 0x1f); // QQ op2 & 0x1f??
   256 }
   258 inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) {
   259   return op1 ^ op2;
   260 }
   262 inline jdouble BytecodeInterpreter::VMint2Double(jint val) {
   263   return (jdouble) val;
   264 }
   266 inline jfloat BytecodeInterpreter::VMint2Float(jint val) {
   267   return (jfloat) val;
   268 }
   270 inline jlong BytecodeInterpreter::VMint2Long(jint val) {
   271   return (jlong) val;
   272 }
   274 inline jchar BytecodeInterpreter::VMint2Char(jint val) {
   275   return (jchar) val;
   276 }
   278 inline jshort BytecodeInterpreter::VMint2Short(jint val) {
   279   return (jshort) val;
   280 }
   282 inline jbyte BytecodeInterpreter::VMint2Byte(jint val) {
   283   return (jbyte) val;
   284 }
   286 #endif // CPU_MIPS_VM_BYTECODEINTERPRETER_MIPS_INLINE_HPP

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