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Issue 6546036: Combine typed and pixel arrays. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix wrong external element call Created 9 years, 10 months ago
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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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583 void GenerateCall(MacroAssembler* masm, ApiFunction *function); 583 void GenerateCall(MacroAssembler* masm, ApiFunction *function);
584 void GenerateCall(MacroAssembler* masm, Register target); 584 void GenerateCall(MacroAssembler* masm, Register target);
585 585
586 private: 586 private:
587 Major MajorKey() { return DirectCEntry; } 587 Major MajorKey() { return DirectCEntry; }
588 int MinorKey() { return 0; } 588 int MinorKey() { return 0; }
589 const char* GetName() { return "DirectCEntryStub"; } 589 const char* GetName() { return "DirectCEntryStub"; }
590 }; 590 };
591 591
592 592
593 // Generate code to load an element from a pixel array. The receiver is assumed
594 // to not be a smi and to have elements, the caller must guarantee this
595 // precondition. If key is not a smi, then the generated code branches to
596 // key_not_smi. Callers can specify NULL for key_not_smi to signal that a smi
597 // check has already been performed on key so that the smi check is not
598 // generated. If key is not a valid index within the bounds of the pixel array,
599 // the generated code jumps to out_of_range. receiver, key and elements are
600 // unchanged throughout the generated code sequence.
601 void GenerateFastPixelArrayLoad(MacroAssembler* masm,
602 Register receiver,
603 Register key,
604 Register elements_map,
605 Register elements,
606 Register scratch1,
607 Register scratch2,
608 Register result,
609 Label* not_pixel_array,
610 Label* key_not_smi,
611 Label* out_of_range);
612
613 // Generate code to store an element into a pixel array, clamping values between
614 // [0..255]. The receiver is assumed to not be a smi and to have elements, the
615 // caller must guarantee this precondition. If key is not a smi, then the
616 // generated code branches to key_not_smi. Callers can specify NULL for
617 // key_not_smi to signal that a smi check has already been performed on key so
618 // that the smi check is not generated. If value is not a smi, the generated
619 // code will branch to value_not_smi. If the receiver doesn't have pixel array
620 // elements, the generated code will branch to not_pixel_array, unless
621 // not_pixel_array is NULL, in which case the caller must ensure that the
622 // receiver has pixel array elements. If key is not a valid index within the
623 // bounds of the pixel array, the generated code jumps to out_of_range. If
624 // load_elements_from_receiver is true, then the elements of receiver is loaded
625 // into elements, otherwise elements is assumed to already be the receiver's
626 // elements. If load_elements_map_from_elements is true, elements_map is loaded
627 // from elements, otherwise it is assumed to already contain the element map.
628 void GenerateFastPixelArrayStore(MacroAssembler* masm,
629 Register receiver,
630 Register key,
631 Register value,
632 Register elements,
633 Register elements_map,
634 Register scratch1,
635 Register scratch2,
636 bool load_elements_from_receiver,
637 bool load_elements_map_from_elements,
638 Label* key_not_smi,
639 Label* value_not_smi,
640 Label* not_pixel_array,
641 Label* out_of_range);
642
643 } } // namespace v8::internal 593 } } // namespace v8::internal
644 594
645 #endif // V8_ARM_CODE_STUBS_ARM_H_ 595 #endif // V8_ARM_CODE_STUBS_ARM_H_
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