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Issue 11664007: Added (dis-)assembler support for movmskps on ia32 and x64. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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2945 void Assembler::movmskpd(Register dst, XMMRegister src) { 2945 void Assembler::movmskpd(Register dst, XMMRegister src) {
2946 EnsureSpace ensure_space(this); 2946 EnsureSpace ensure_space(this);
2947 emit(0x66); 2947 emit(0x66);
2948 emit_optional_rex_32(dst, src); 2948 emit_optional_rex_32(dst, src);
2949 emit(0x0f); 2949 emit(0x0f);
2950 emit(0x50); 2950 emit(0x50);
2951 emit_sse_operand(dst, src); 2951 emit_sse_operand(dst, src);
2952 } 2952 }
2953 2953
2954 2954
2955 void Assembler::movmskps(Register dst, XMMRegister src) {
2956 EnsureSpace ensure_space(this);
2957 emit_optional_rex_32(dst, src);
2958 emit(0x0f);
2959 emit(0x50);
2960 emit_sse_operand(dst, src);
2961 }
2962
2963
2955 void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) { 2964 void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) {
2956 Register ireg = { reg.code() }; 2965 Register ireg = { reg.code() };
2957 emit_operand(ireg, adr); 2966 emit_operand(ireg, adr);
2958 } 2967 }
2959 2968
2960 2969
2961 void Assembler::emit_sse_operand(XMMRegister dst, XMMRegister src) { 2970 void Assembler::emit_sse_operand(XMMRegister dst, XMMRegister src) {
2962 emit(0xC0 | (dst.low_bits() << 3) | src.low_bits()); 2971 emit(0xC0 | (dst.low_bits() << 3) | src.low_bits());
2963 } 2972 }
2964 2973
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3032 bool RelocInfo::IsCodedSpecially() { 3041 bool RelocInfo::IsCodedSpecially() {
3033 // The deserializer needs to know whether a pointer is specially coded. Being 3042 // The deserializer needs to know whether a pointer is specially coded. Being
3034 // specially coded on x64 means that it is a relative 32 bit address, as used 3043 // specially coded on x64 means that it is a relative 32 bit address, as used
3035 // by branch instructions. 3044 // by branch instructions.
3036 return (1 << rmode_) & kApplyMask; 3045 return (1 << rmode_) & kApplyMask;
3037 } 3046 }
3038 3047
3039 } } // namespace v8::internal 3048 } } // namespace v8::internal
3040 3049
3041 #endif // V8_TARGET_ARCH_X64 3050 #endif // V8_TARGET_ARCH_X64
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