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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ | 5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ |
6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ | 6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/bailout-reason.h" | 9 #include "src/bailout-reason.h" |
10 #include "src/base/flags.h" | 10 #include "src/base/flags.h" |
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801 // Load/store with specific representation. | 801 // Load/store with specific representation. |
802 void Load(Register dst, const Operand& src, Representation r); | 802 void Load(Register dst, const Operand& src, Representation r); |
803 void Store(const Operand& dst, Register src, Representation r); | 803 void Store(const Operand& dst, Register src, Representation r); |
804 | 804 |
805 // Load a register with a long value as efficiently as possible. | 805 // Load a register with a long value as efficiently as possible. |
806 void Set(Register dst, int64_t x); | 806 void Set(Register dst, int64_t x); |
807 void Set(const Operand& dst, intptr_t x); | 807 void Set(const Operand& dst, intptr_t x); |
808 | 808 |
809 // cvtsi2sd instruction only writes to the low 64-bit of dst register, which | 809 // cvtsi2sd instruction only writes to the low 64-bit of dst register, which |
810 // hinders register renaming and makes dependence chains longer. So we use | 810 // hinders register renaming and makes dependence chains longer. So we use |
811 // xorps to clear the dst register before cvtsi2sd to solve this issue. | 811 // xorpd to clear the dst register before cvtsi2sd to solve this issue. |
812 void Cvtlsi2sd(XMMRegister dst, Register src); | 812 void Cvtlsi2sd(XMMRegister dst, Register src); |
813 void Cvtlsi2sd(XMMRegister dst, const Operand& src); | 813 void Cvtlsi2sd(XMMRegister dst, const Operand& src); |
814 | 814 |
815 // Move if the registers are not identical. | 815 // Move if the registers are not identical. |
816 void Move(Register target, Register source); | 816 void Move(Register target, Register source); |
817 | 817 |
818 // TestBit and Load SharedFunctionInfo special field. | 818 // TestBit and Load SharedFunctionInfo special field. |
819 void TestBitSharedFunctionInfoSpecialField(Register base, | 819 void TestBitSharedFunctionInfoSpecialField(Register base, |
820 int offset, | 820 int offset, |
821 int bit_index); | 821 int bit_index); |
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898 void Movsd(XMMRegister dst, XMMRegister src); | 898 void Movsd(XMMRegister dst, XMMRegister src); |
899 void Movsd(XMMRegister dst, const Operand& src); | 899 void Movsd(XMMRegister dst, const Operand& src); |
900 void Movsd(const Operand& dst, XMMRegister src); | 900 void Movsd(const Operand& dst, XMMRegister src); |
901 | 901 |
902 void Movd(XMMRegister dst, Register src); | 902 void Movd(XMMRegister dst, Register src); |
903 void Movd(XMMRegister dst, const Operand& src); | 903 void Movd(XMMRegister dst, const Operand& src); |
904 void Movd(Register dst, XMMRegister src); | 904 void Movd(Register dst, XMMRegister src); |
905 void Movq(XMMRegister dst, Register src); | 905 void Movq(XMMRegister dst, Register src); |
906 void Movq(Register dst, XMMRegister src); | 906 void Movq(Register dst, XMMRegister src); |
907 | 907 |
| 908 void Xorpd(XMMRegister dst, XMMRegister src); |
| 909 |
908 // Control Flow | 910 // Control Flow |
909 void Jump(Address destination, RelocInfo::Mode rmode); | 911 void Jump(Address destination, RelocInfo::Mode rmode); |
910 void Jump(ExternalReference ext); | 912 void Jump(ExternalReference ext); |
911 void Jump(const Operand& op); | 913 void Jump(const Operand& op); |
912 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode); | 914 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode); |
913 | 915 |
914 void Call(Address destination, RelocInfo::Mode rmode); | 916 void Call(Address destination, RelocInfo::Mode rmode); |
915 void Call(ExternalReference ext); | 917 void Call(ExternalReference ext); |
916 void Call(const Operand& op); | 918 void Call(const Operand& op); |
917 void Call(Handle<Code> code_object, | 919 void Call(Handle<Code> code_object, |
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1651 } \ | 1653 } \ |
1652 masm-> | 1654 masm-> |
1653 #else | 1655 #else |
1654 #define ACCESS_MASM(masm) masm-> | 1656 #define ACCESS_MASM(masm) masm-> |
1655 #endif | 1657 #endif |
1656 | 1658 |
1657 } // namespace internal | 1659 } // namespace internal |
1658 } // namespace v8 | 1660 } // namespace v8 |
1659 | 1661 |
1660 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1662 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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