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