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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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774 | 774 |
775 // Checks if the given register or operand is a unique name | 775 // Checks if the given register or operand is a unique name |
776 void JumpIfNotUniqueName(Register reg, Label* not_unique_name, | 776 void JumpIfNotUniqueName(Register reg, Label* not_unique_name, |
777 Label::Distance distance = Label::kFar); | 777 Label::Distance distance = Label::kFar); |
778 void JumpIfNotUniqueName(Operand operand, Label* not_unique_name, | 778 void JumpIfNotUniqueName(Operand operand, Label* not_unique_name, |
779 Label::Distance distance = Label::kFar); | 779 Label::Distance distance = Label::kFar); |
780 | 780 |
781 // --------------------------------------------------------------------------- | 781 // --------------------------------------------------------------------------- |
782 // Macro instructions. | 782 // Macro instructions. |
783 | 783 |
784 // Load/store with specific representation. | |
785 void Load(Register dst, const Operand& src, Representation r); | |
786 void Store(const Operand& dst, Register src, Representation r); | |
787 | |
788 // Load a register with a long value as efficiently as possible. | 784 // Load a register with a long value as efficiently as possible. |
789 void Set(Register dst, int64_t x); | 785 void Set(Register dst, int64_t x); |
790 void Set(const Operand& dst, int64_t x); | 786 void Set(const Operand& dst, int64_t x); |
791 | 787 |
792 // cvtsi2sd instruction only writes to the low 64-bit of dst register, which | 788 // cvtsi2sd instruction only writes to the low 64-bit of dst register, which |
793 // hinders register renaming and makes dependence chains longer. So we use | 789 // hinders register renaming and makes dependence chains longer. So we use |
794 // xorps to clear the dst register before cvtsi2sd to solve this issue. | 790 // xorps to clear the dst register before cvtsi2sd to solve this issue. |
795 void Cvtlsi2sd(XMMRegister dst, Register src); | 791 void Cvtlsi2sd(XMMRegister dst, Register src); |
796 void Cvtlsi2sd(XMMRegister dst, const Operand& src); | 792 void Cvtlsi2sd(XMMRegister dst, const Operand& src); |
797 | 793 |
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1583 masm->popfq(); \ | 1579 masm->popfq(); \ |
1584 } \ | 1580 } \ |
1585 masm-> | 1581 masm-> |
1586 #else | 1582 #else |
1587 #define ACCESS_MASM(masm) masm-> | 1583 #define ACCESS_MASM(masm) masm-> |
1588 #endif | 1584 #endif |
1589 | 1585 |
1590 } } // namespace v8::internal | 1586 } } // namespace v8::internal |
1591 | 1587 |
1592 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1588 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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