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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: Removed MIPs changes, and found a bug. COPY_ON_WRITE shallow array stub didn't track allocation inf… 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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1687 // edx: receiver 1687 // edx: receiver
1688 // r3: map 1688 // r3: map
1689 Label try_holey_map; 1689 Label try_holey_map;
1690 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, 1690 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS,
1691 FAST_ELEMENTS, 1691 FAST_ELEMENTS,
1692 r3, 1692 r3,
1693 r7, 1693 r7,
1694 &try_holey_map); 1694 &try_holey_map);
1695 __ mov(r2, receiver); 1695 __ mov(r2, receiver);
1696 ElementsTransitionGenerator:: 1696 ElementsTransitionGenerator::
1697 GenerateMapChangeElementsTransition(masm()); 1697 GenerateMapChangeElementsTransition(masm(), NULL);
1698 __ jmp(&fast_object); 1698 __ jmp(&fast_object);
1699 1699
1700 __ bind(&try_holey_map); 1700 __ bind(&try_holey_map);
1701 __ LoadTransitionedArrayMapConditional(FAST_HOLEY_SMI_ELEMENTS, 1701 __ LoadTransitionedArrayMapConditional(FAST_HOLEY_SMI_ELEMENTS,
1702 FAST_HOLEY_ELEMENTS, 1702 FAST_HOLEY_ELEMENTS,
1703 r3, 1703 r3,
1704 r7, 1704 r7,
1705 &call_builtin); 1705 &call_builtin);
1706 __ mov(r2, receiver); 1706 __ mov(r2, receiver);
1707 ElementsTransitionGenerator:: 1707 ElementsTransitionGenerator::
1708 GenerateMapChangeElementsTransition(masm()); 1708 GenerateMapChangeElementsTransition(masm(), NULL);
1709 __ bind(&fast_object); 1709 __ bind(&fast_object);
1710 } else { 1710 } else {
1711 __ CheckFastObjectElements(r3, r3, &call_builtin); 1711 __ CheckFastObjectElements(r3, r3, &call_builtin);
1712 } 1712 }
1713 1713
1714 // Save new length. 1714 // Save new length.
1715 __ str(r0, FieldMemOperand(receiver, JSArray::kLengthOffset)); 1715 __ str(r0, FieldMemOperand(receiver, JSArray::kLengthOffset));
1716 1716
1717 // Store the value. 1717 // Store the value.
1718 // We may need a register containing the address end_elements below, 1718 // We may need a register containing the address end_elements below,
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4372 __ Jump(ic_slow, RelocInfo::CODE_TARGET); 4372 __ Jump(ic_slow, RelocInfo::CODE_TARGET);
4373 } 4373 }
4374 } 4374 }
4375 4375
4376 4376
4377 #undef __ 4377 #undef __
4378 4378
4379 } } // namespace v8::internal 4379 } } // namespace v8::internal
4380 4380
4381 #endif // V8_TARGET_ARCH_ARM 4381 #endif // V8_TARGET_ARCH_ARM
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