duke@435: /*
stefank@2314:  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef CPU_X86_VM_BYTECODEINTERPRETER_X86_INLINE_HPP
stefank@2314: #define CPU_X86_VM_BYTECODEINTERPRETER_X86_INLINE_HPP
stefank@2314: 
duke@435: // Inline interpreter functions for IA32
duke@435: 
duke@435: inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; }
duke@435: inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; }
duke@435: inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; }
duke@435: inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; }
duke@435: inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return fmod(op1, op2); }
duke@435: 
duke@435: inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) {
duke@435:   return ( op1 < op2 ? -1 :
duke@435:                op1 > op2 ? 1 :
duke@435:                    op1 == op2 ? 0 :
duke@435:                        (direction == -1 || direction == 1) ? direction : 0);
duke@435: 
duke@435: }
duke@435: 
duke@435: inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) {
duke@435:   // x86 can do unaligned copies but not 64bits at a time
duke@435:   to[0] = from[0]; to[1] = from[1];
duke@435: }
duke@435: 
duke@435: // The long operations depend on compiler support for "long long" on x86
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) {
duke@435:   return op1 + op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) {
duke@435:   return op1 & op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) {
duke@435:   // QQQ what about check and throw...
duke@435:   return op1 / op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) {
duke@435:   return op1 * op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) {
duke@435:   return op1 | op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) {
duke@435:   return op1 - op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) {
duke@435:   return op1 ^ op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) {
duke@435:   return op1 % op2;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) {
duke@435:   // CVM did this 0x3f mask, is the really needed??? QQQ
duke@435:   return ((unsigned long long) op1) >> (op2 & 0x3F);
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) {
duke@435:   return op1 >> (op2 & 0x3F);
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) {
duke@435:   return op1 << (op2 & 0x3F);
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongNeg(jlong op) {
duke@435:   return -op;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMlongNot(jlong op) {
duke@435:   return ~op;
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) {
duke@435:   return (op <= 0);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongGez(jlong op) {
duke@435:   return (op >= 0);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) {
duke@435:   return (op == 0);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) {
duke@435:   return (op1 == op2);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) {
duke@435:   return (op1 != op2);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) {
duke@435:   return (op1 >= op2);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) {
duke@435:   return (op1 <= op2);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) {
duke@435:   return (op1 < op2);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) {
duke@435:   return (op1 > op2);
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) {
duke@435:   return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0);
duke@435: }
duke@435: 
duke@435: // Long conversions
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) {
duke@435:   return (jdouble) val;
duke@435: }
duke@435: 
duke@435: inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) {
duke@435:   return (jfloat) val;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMlong2Int(jlong val) {
duke@435:   return (jint) val;
duke@435: }
duke@435: 
duke@435: // Double Arithmetic
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) {
duke@435:   return op1 + op2;
duke@435: }
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) {
duke@435:   // Divide by zero... QQQ
duke@435:   return op1 / op2;
duke@435: }
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) {
duke@435:   return op1 * op2;
duke@435: }
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) {
duke@435:   return -op;
duke@435: }
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) {
duke@435:   return fmod(op1, op2);
duke@435: }
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) {
duke@435:   return op1 - op2;
duke@435: }
duke@435: 
duke@435: inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) {
duke@435:   return ( op1 < op2 ? -1 :
duke@435:                op1 > op2 ? 1 :
duke@435:                    op1 == op2 ? 0 :
duke@435:                        (direction == -1 || direction == 1) ? direction : 0);
duke@435: }
duke@435: 
duke@435: // Double Conversions
duke@435: 
duke@435: inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) {
duke@435:   return (jfloat) val;
duke@435: }
duke@435: 
duke@435: // Float Conversions
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) {
duke@435:   return (jdouble) op;
duke@435: }
duke@435: 
duke@435: // Integer Arithmetic
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) {
duke@435:   return op1 + op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) {
duke@435:   return op1 & op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) {
duke@435:   /* it's possible we could catch this special case implicitly */
coleenp@955:   if ((juint)op1 == 0x80000000 && op2 == -1) return op1;
duke@435:   else return op1 / op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) {
duke@435:   return op1 * op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintNeg(jint op) {
duke@435:   return -op;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) {
duke@435:   return op1 | op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) {
duke@435:   /* it's possible we could catch this special case implicitly */
coleenp@955:   if ((juint)op1 == 0x80000000 && op2 == -1) return 0;
duke@435:   else return op1 % op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) {
bobv@2036:   return op1 << op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) {
bobv@2036:   return op1 >> (op2 & 0x1f);
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) {
duke@435:   return op1 - op2;
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintUshr(jint op1, jint op2) {
bobv@2036:   return ((juint) op1) >> (op2 & 0x1f);
duke@435: }
duke@435: 
duke@435: inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) {
duke@435:   return op1 ^ op2;
duke@435: }
duke@435: 
duke@435: inline jdouble BytecodeInterpreter::VMint2Double(jint val) {
duke@435:   return (jdouble) val;
duke@435: }
duke@435: 
duke@435: inline jfloat BytecodeInterpreter::VMint2Float(jint val) {
duke@435:   return (jfloat) val;
duke@435: }
duke@435: 
duke@435: inline jlong BytecodeInterpreter::VMint2Long(jint val) {
duke@435:   return (jlong) val;
duke@435: }
duke@435: 
duke@435: inline jchar BytecodeInterpreter::VMint2Char(jint val) {
duke@435:   return (jchar) val;
duke@435: }
duke@435: 
duke@435: inline jshort BytecodeInterpreter::VMint2Short(jint val) {
duke@435:   return (jshort) val;
duke@435: }
duke@435: 
duke@435: inline jbyte BytecodeInterpreter::VMint2Byte(jint val) {
duke@435:   return (jbyte) val;
duke@435: }
stefank@2314: 
stefank@2314: #endif // CPU_X86_VM_BYTECODEINTERPRETER_X86_INLINE_HPP