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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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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 | 492 |
493 // Generate code the to load an element from a pixel array. The receiver is | 493 // Generate code to load an element from a pixel array. The receiver is assumed |
494 // assumed to not be a smi and to have elements, the caller must guarantee this | 494 // to not be a smi and to have elements, the caller must guarantee this |
495 // precondition. If the receiver does not have elements that are pixel arrays, | 495 // precondition. If key is not a smi, then the generated code branches to |
496 // the generated code jumps to not_pixel_array. If key is not a smi, then the | 496 // key_not_smi. Callers can specify NULL for key_not_smi to signal that a smi |
497 // generated code branches to key_not_smi. Callers can specify NULL for | 497 // check has already been performed on key so that the smi check is not |
498 // key_not_smi to signal that a smi check has already been performed on key so | 498 // generated. If key is not a valid index within the bounds of the pixel array, |
499 // that the smi check is not generated . If key is not a valid index within the | 499 // the generated code jumps to out_of_range. receiver, key and elements are |
500 // bounds of the pixel array, the generated code jumps to out_of_range. | 500 // unchanged throughout the generated code sequence. |
501 void GenerateFastPixelArrayLoad(MacroAssembler* masm, | 501 void GenerateFastPixelArrayLoad(MacroAssembler* masm, |
502 Register receiver, | 502 Register receiver, |
503 Register key, | 503 Register key, |
504 Register elements, | 504 Register elements, |
505 Register untagged_key, | 505 Register untagged_key, |
506 Register result, | 506 Register result, |
507 Label* not_pixel_array, | 507 Label* not_pixel_array, |
508 Label* key_not_smi, | 508 Label* key_not_smi, |
509 Label* out_of_range); | 509 Label* out_of_range); |
510 | 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); |
511 | 533 |
512 } } // namespace v8::internal | 534 } } // namespace v8::internal |
513 | 535 |
514 #endif // V8_IA32_CODE_STUBS_IA32_H_ | 536 #endif // V8_IA32_CODE_STUBS_IA32_H_ |
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