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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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367 // power of two to multiply the index value by (e.g. | 367 // power of two to multiply the index value by (e.g. |
368 // to index by smi-value * kPointerSize, pass the smi and kPointerSizeLog2). | 368 // to index by smi-value * kPointerSize, pass the smi and kPointerSizeLog2). |
369 // The returned index register may be either src or dst, depending | 369 // The returned index register may be either src or dst, depending |
370 // on what is most efficient. If src and dst are different registers, | 370 // on what is most efficient. If src and dst are different registers, |
371 // src is always unchanged. | 371 // src is always unchanged. |
372 SmiIndex SmiToIndex(Register dst, Register src, int shift); | 372 SmiIndex SmiToIndex(Register dst, Register src, int shift); |
373 | 373 |
374 // Converts a positive smi to a negative index. | 374 // Converts a positive smi to a negative index. |
375 SmiIndex SmiToNegativeIndex(Register dst, Register src, int shift); | 375 SmiIndex SmiToNegativeIndex(Register dst, Register src, int shift); |
376 | 376 |
377 bool IsUnsafeSmi(Smi* value); | 377 // Basic Smi operations. |
378 void LoadUnsafeSmi(Register dst, Smi* source); | 378 void Move(Register dst, Smi* source) { |
| 379 Set(dst, reinterpret_cast<int64_t>(source)); |
| 380 } |
379 | 381 |
380 // Basic Smi operations. | 382 void Move(const Operand& dst, Smi* source) { |
381 void Move(Register dst, Smi* source); | 383 Set(dst, reinterpret_cast<int64_t>(source)); |
382 void Move(const Operand& dst, Smi* source); | 384 } |
| 385 |
383 void Push(Smi* smi); | 386 void Push(Smi* smi); |
384 void Test(const Operand& dst, Smi* source); | 387 void Test(const Operand& dst, Smi* source); |
385 | 388 |
386 // --------------------------------------------------------------------------- | 389 // --------------------------------------------------------------------------- |
387 // Macro instructions | 390 // Macro instructions |
388 | 391 |
389 // Load a register with a long value as efficiently as possible. | 392 // Load a register with a long value as efficiently as possible. |
390 void Set(Register dst, int64_t x); | 393 void Set(Register dst, int64_t x); |
391 void Set(const Operand& dst, int64_t x); | 394 void Set(const Operand& dst, int64_t x); |
392 | 395 |
393 // Handle support | 396 // Handle support |
394 bool IsUnsafeSmi(Handle<Object> value) { | |
395 return IsUnsafeSmi(Smi::cast(*value)); | |
396 } | |
397 | |
398 void LoadUnsafeSmi(Register dst, Handle<Object> source) { | |
399 LoadUnsafeSmi(dst, Smi::cast(*source)); | |
400 } | |
401 | |
402 void Move(Register dst, Handle<Object> source); | 397 void Move(Register dst, Handle<Object> source); |
403 void Move(const Operand& dst, Handle<Object> source); | 398 void Move(const Operand& dst, Handle<Object> source); |
404 void Cmp(Register dst, Handle<Object> source); | 399 void Cmp(Register dst, Handle<Object> source); |
405 void Cmp(const Operand& dst, Handle<Object> source); | 400 void Cmp(const Operand& dst, Handle<Object> source); |
406 void Push(Handle<Object> source); | 401 void Push(Handle<Object> source); |
407 | 402 |
408 // Control Flow | 403 // Control Flow |
409 void Jump(Address destination, RelocInfo::Mode rmode); | 404 void Jump(Address destination, RelocInfo::Mode rmode); |
410 void Jump(ExternalReference ext); | 405 void Jump(ExternalReference ext); |
411 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode); | 406 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode); |
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698 } \ | 693 } \ |
699 masm-> | 694 masm-> |
700 #else | 695 #else |
701 #define ACCESS_MASM(masm) masm-> | 696 #define ACCESS_MASM(masm) masm-> |
702 #endif | 697 #endif |
703 | 698 |
704 | 699 |
705 } } // namespace v8::internal | 700 } } // namespace v8::internal |
706 | 701 |
707 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 702 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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