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Issue 12026002: MIPS: 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: 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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1686 // edx: receiver 1686 // edx: receiver
1687 // a3: map 1687 // a3: map
1688 Label try_holey_map; 1688 Label try_holey_map;
1689 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, 1689 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS,
1690 FAST_ELEMENTS, 1690 FAST_ELEMENTS,
1691 a3, 1691 a3,
1692 t3, 1692 t3,
1693 &try_holey_map); 1693 &try_holey_map);
1694 __ mov(a2, receiver); 1694 __ mov(a2, receiver);
1695 ElementsTransitionGenerator:: 1695 ElementsTransitionGenerator::
1696 GenerateMapChangeElementsTransition(masm()); 1696 GenerateMapChangeElementsTransition(masm(),
1697 DONT_TRACK_ALLOCATION_SITE,
1698 NULL);
1697 __ jmp(&fast_object); 1699 __ jmp(&fast_object);
1698 1700
1699 __ bind(&try_holey_map); 1701 __ bind(&try_holey_map);
1700 __ LoadTransitionedArrayMapConditional(FAST_HOLEY_SMI_ELEMENTS, 1702 __ LoadTransitionedArrayMapConditional(FAST_HOLEY_SMI_ELEMENTS,
1701 FAST_HOLEY_ELEMENTS, 1703 FAST_HOLEY_ELEMENTS,
1702 a3, 1704 a3,
1703 t3, 1705 t3,
1704 &call_builtin); 1706 &call_builtin);
1705 __ mov(a2, receiver); 1707 __ mov(a2, receiver);
1706 ElementsTransitionGenerator:: 1708 ElementsTransitionGenerator::
1707 GenerateMapChangeElementsTransition(masm()); 1709 GenerateMapChangeElementsTransition(masm(),
1710 DONT_TRACK_ALLOCATION_SITE,
1711 NULL);
1708 __ bind(&fast_object); 1712 __ bind(&fast_object);
1709 } else { 1713 } else {
1710 __ CheckFastObjectElements(a3, a3, &call_builtin); 1714 __ CheckFastObjectElements(a3, a3, &call_builtin);
1711 } 1715 }
1712 1716
1713 // Save new length. 1717 // Save new length.
1714 __ sw(v0, FieldMemOperand(receiver, JSArray::kLengthOffset)); 1718 __ sw(v0, FieldMemOperand(receiver, JSArray::kLengthOffset));
1715 1719
1716 // Store the value. 1720 // Store the value.
1717 // We may need a register containing the address end_elements below, 1721 // We may need a register containing the address end_elements below,
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4424 __ Jump(ic_slow, RelocInfo::CODE_TARGET); 4428 __ Jump(ic_slow, RelocInfo::CODE_TARGET);
4425 } 4429 }
4426 } 4430 }
4427 4431
4428 4432
4429 #undef __ 4433 #undef __
4430 4434
4431 } } // namespace v8::internal 4435 } } // namespace v8::internal
4432 4436
4433 #endif // V8_TARGET_ARCH_MIPS 4437 #endif // V8_TARGET_ARCH_MIPS
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