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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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604 void GenerateCall(MacroAssembler* masm, ExternalReference function); | 604 void GenerateCall(MacroAssembler* masm, ExternalReference function); |
605 void GenerateCall(MacroAssembler* masm, Register target); | 605 void GenerateCall(MacroAssembler* masm, Register target); |
606 | 606 |
607 private: | 607 private: |
608 Major MajorKey() { return DirectCEntry; } | 608 Major MajorKey() { return DirectCEntry; } |
609 int MinorKey() { return 0; } | 609 int MinorKey() { return 0; } |
610 const char* GetName() { return "DirectCEntryStub"; } | 610 const char* GetName() { return "DirectCEntryStub"; } |
611 }; | 611 }; |
612 | 612 |
613 | 613 |
614 // Generate code to load an element from a pixel array. The receiver is assumed | |
615 // to not be a smi and to have elements, the caller must guarantee this | |
616 // precondition. If key is not a smi, then the generated code branches to | |
617 // key_not_smi. Callers can specify NULL for key_not_smi to signal that a smi | |
618 // check has already been performed on key so that the smi check is not | |
619 // generated. If key is not a valid index within the bounds of the pixel array, | |
620 // the generated code jumps to out_of_range. receiver, key and elements are | |
621 // unchanged throughout the generated code sequence. | |
622 void GenerateFastPixelArrayLoad(MacroAssembler* masm, | |
623 Register receiver, | |
624 Register key, | |
625 Register elements_map, | |
626 Register elements, | |
627 Register scratch1, | |
628 Register scratch2, | |
629 Register result, | |
630 Label* not_pixel_array, | |
631 Label* key_not_smi, | |
632 Label* out_of_range); | |
633 | |
634 // Generate code to store an element into a pixel array, clamping values between | |
635 // [0..255]. The receiver is assumed to not be a smi and to have elements, the | |
636 // caller must guarantee this precondition. If key is not a smi, then the | |
637 // generated code branches to key_not_smi. Callers can specify NULL for | |
638 // key_not_smi to signal that a smi check has already been performed on key so | |
639 // that the smi check is not generated. If value is not a smi, the generated | |
640 // code will branch to value_not_smi. If the receiver doesn't have pixel array | |
641 // elements, the generated code will branch to not_pixel_array, unless | |
642 // not_pixel_array is NULL, in which case the caller must ensure that the | |
643 // receiver has pixel array elements. If key is not a valid index within the | |
644 // bounds of the pixel array, the generated code jumps to out_of_range. If | |
645 // load_elements_from_receiver is true, then the elements of receiver is loaded | |
646 // into elements, otherwise elements is assumed to already be the receiver's | |
647 // elements. If load_elements_map_from_elements is true, elements_map is loaded | |
648 // from elements, otherwise it is assumed to already contain the element map. | |
649 void GenerateFastPixelArrayStore(MacroAssembler* masm, | |
650 Register receiver, | |
651 Register key, | |
652 Register value, | |
653 Register elements, | |
654 Register elements_map, | |
655 Register scratch1, | |
656 Register scratch2, | |
657 bool load_elements_from_receiver, | |
658 bool load_elements_map_from_elements, | |
659 Label* key_not_smi, | |
660 Label* value_not_smi, | |
661 Label* not_pixel_array, | |
662 Label* out_of_range); | |
663 | |
664 } } // namespace v8::internal | 614 } } // namespace v8::internal |
665 | 615 |
666 #endif // V8_ARM_CODE_STUBS_ARM_H_ | 616 #endif // V8_ARM_CODE_STUBS_ARM_H_ |
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