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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 482 | 482 |
| 483 const char* GetName() { return "NumberToStringStub"; } | 483 const char* GetName() { return "NumberToStringStub"; } |
| 484 | 484 |
| 485 #ifdef DEBUG | 485 #ifdef DEBUG |
| 486 void Print() { | 486 void Print() { |
| 487 PrintF("NumberToStringStub\n"); | 487 PrintF("NumberToStringStub\n"); |
| 488 } | 488 } |
| 489 #endif | 489 #endif |
| 490 }; | 490 }; |
| 491 | 491 |
| 492 | |
| 493 // Generate code to load an element from a pixel array. The receiver is assumed | |
| 494 // to not be a smi and to have elements, the caller must guarantee this | |
| 495 // precondition. If key is not a smi, then the generated code branches to | |
| 496 // key_not_smi. Callers can specify NULL for key_not_smi to signal that a smi | |
| 497 // check has already been performed on key so that the smi check is not | |
| 498 // generated. If key is not a valid index within the bounds of the pixel array, | |
| 499 // the generated code jumps to out_of_range. receiver, key and elements are | |
| 500 // unchanged throughout the generated code sequence. | |
| 501 void GenerateFastPixelArrayLoad(MacroAssembler* masm, | |
| 502 Register receiver, | |
| 503 Register key, | |
| 504 Register elements, | |
| 505 Register untagged_key, | |
| 506 Register result, | |
| 507 Label* not_pixel_array, | |
| 508 Label* key_not_smi, | |
| 509 Label* out_of_range); | |
| 510 | |
| 511 // Generate code to store an element into a pixel array, clamping values between | |
| 512 // [0..255]. The receiver is assumed to not be a smi and to have elements, the | |
| 513 // caller must guarantee this precondition. If key is not a smi, then the | |
| 514 // generated code branches to key_not_smi. Callers can specify NULL for | |
| 515 // key_not_smi to signal that a smi check has already been performed on key so | |
| 516 // that the smi check is not generated. If the value is not a smi, the generated | |
| 517 // code will branch to value_not_smi. If the receiver doesn't have pixel array | |
| 518 // elements, the generated code will branch to not_pixel_array, unless | |
| 519 // not_pixel_array is NULL, in which case the caller must ensure that the | |
| 520 // receiver has pixel array elements. If key is not a valid index within the | |
| 521 // bounds of the pixel array, the generated code jumps to out_of_range. | |
| 522 void GenerateFastPixelArrayStore(MacroAssembler* masm, | |
| 523 Register receiver, | |
| 524 Register key, | |
| 525 Register value, | |
| 526 Register elements, | |
| 527 Register scratch1, | |
| 528 bool load_elements_from_receiver, | |
| 529 Label* key_not_smi, | |
| 530 Label* value_not_smi, | |
| 531 Label* not_pixel_array, | |
| 532 Label* out_of_range); | |
| 533 | |
| 534 } } // namespace v8::internal | 492 } } // namespace v8::internal |
| 535 | 493 |
| 536 #endif // V8_IA32_CODE_STUBS_IA32_H_ | 494 #endif // V8_IA32_CODE_STUBS_IA32_H_ |
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