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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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513 Register scratch2, | 513 Register scratch2, |
514 Label* on_fail); | 514 Label* on_fail); |
515 | 515 |
516 // --------------------------------------------------------------------------- | 516 // --------------------------------------------------------------------------- |
517 // Macro instructions. | 517 // Macro instructions. |
518 | 518 |
519 // Load a register with a long value as efficiently as possible. | 519 // Load a register with a long value as efficiently as possible. |
520 void Set(Register dst, int64_t x); | 520 void Set(Register dst, int64_t x); |
521 void Set(const Operand& dst, int64_t x); | 521 void Set(const Operand& dst, int64_t x); |
522 | 522 |
| 523 // Move if the registers are not identical. |
| 524 void Move(Register target, Register source); |
| 525 |
523 // Handle support | 526 // Handle support |
524 void Move(Register dst, Handle<Object> source); | 527 void Move(Register dst, Handle<Object> source); |
525 void Move(const Operand& dst, Handle<Object> source); | 528 void Move(const Operand& dst, Handle<Object> source); |
526 void Cmp(Register dst, Handle<Object> source); | 529 void Cmp(Register dst, Handle<Object> source); |
527 void Cmp(const Operand& dst, Handle<Object> source); | 530 void Cmp(const Operand& dst, Handle<Object> source); |
528 void Push(Handle<Object> source); | 531 void Push(Handle<Object> source); |
529 | 532 |
530 // Emit code to discard a non-negative number of pointer-sized elements | 533 // Emit code to discard a non-negative number of pointer-sized elements |
531 // from the stack, clobbering only the rsp register. | 534 // from the stack, clobbering only the rsp register. |
532 void Drop(int stack_elements); | 535 void Drop(int stack_elements); |
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958 } \ | 961 } \ |
959 masm-> | 962 masm-> |
960 #else | 963 #else |
961 #define ACCESS_MASM(masm) masm-> | 964 #define ACCESS_MASM(masm) masm-> |
962 #endif | 965 #endif |
963 | 966 |
964 | 967 |
965 } } // namespace v8::internal | 968 } } // namespace v8::internal |
966 | 969 |
967 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 970 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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