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Issue 11817017: Additional work to get array literal allocation tracking working, even with --always-opt (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Code cleanup Created 7 years, 11 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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713 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); 713 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset));
714 __ jmp(&fast_double_without_map_check); 714 __ jmp(&fast_double_without_map_check);
715 715
716 __ bind(&non_double_value); 716 __ bind(&non_double_value);
717 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS 717 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS
718 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, 718 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS,
719 FAST_ELEMENTS, 719 FAST_ELEMENTS,
720 rbx, 720 rbx,
721 rdi, 721 rdi,
722 slow); 722 slow);
723 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm); 723 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, slow);
724 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); 724 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset));
725 __ jmp(&finish_object_store); 725 __ jmp(&finish_object_store);
726 726
727 __ bind(&transition_double_elements); 727 __ bind(&transition_double_elements);
728 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a 728 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a
729 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and 729 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and
730 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS 730 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS
731 __ movq(rbx, FieldOperand(rdx, HeapObject::kMapOffset)); 731 __ movq(rbx, FieldOperand(rdx, HeapObject::kMapOffset));
732 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, 732 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS,
733 FAST_ELEMENTS, 733 FAST_ELEMENTS,
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1773 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) 1773 Condition cc = (check == ENABLE_INLINED_SMI_CHECK)
1774 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) 1774 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero)
1775 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); 1775 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry);
1776 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); 1776 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
1777 } 1777 }
1778 1778
1779 1779
1780 } } // namespace v8::internal 1780 } } // namespace v8::internal
1781 1781
1782 #endif // V8_TARGET_ARCH_X64 1782 #endif // V8_TARGET_ARCH_X64
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