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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/heap.h" | 9 #include "vm/heap.h" |
10 #include "vm/memory_region.h" | 10 #include "vm/memory_region.h" |
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1557 cmpl(value, Immediate( | 1557 cmpl(value, Immediate( |
1558 (kNewObjectAlignmentOffset >> 1) + kHeapObjectTag + | 1558 (kNewObjectAlignmentOffset >> 1) + kHeapObjectTag + |
1559 kOldObjectAlignmentOffset + kHeapObjectTag)); | 1559 kOldObjectAlignmentOffset + kHeapObjectTag)); |
1560 j(NOT_ZERO, no_update, Assembler::kNearJump); | 1560 j(NOT_ZERO, no_update, Assembler::kNearJump); |
1561 } | 1561 } |
1562 | 1562 |
1563 | 1563 |
1564 void Assembler::StoreIntoObject(Register object, | 1564 void Assembler::StoreIntoObject(Register object, |
1565 const FieldAddress& dest, | 1565 const FieldAddress& dest, |
1566 Register value) { | 1566 Register value) { |
1567 // TODO(kmillikin): pass temp registers to avoid pushing registers. | |
Ivan Posva
2012/07/31 16:43:35
ditto!
| |
1567 movq(dest, value); | 1568 movq(dest, value); |
1568 | 1569 |
1569 Label done; | 1570 Label done; |
1570 pushq(value); | 1571 pushq(value); |
1571 StoreIntoObjectFilter(object, value, &done); | 1572 StoreIntoObjectFilter(object, value, &done); |
1572 // A store buffer update is required. | 1573 // A store buffer update is required. |
1573 if (value != RAX) pushq(RAX); | 1574 if (value != RAX) pushq(RAX); |
1574 leaq(RAX, dest); | 1575 leaq(RAX, dest); |
1575 call(&StubCode::UpdateStoreBufferLabel()); | 1576 call(&StubCode::UpdateStoreBufferLabel()); |
1576 if (value != RAX) popq(RAX); | 1577 if (value != RAX) popq(RAX); |
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1916 | 1917 |
1917 const char* Assembler::RegisterName(Register reg) { | 1918 const char* Assembler::RegisterName(Register reg) { |
1918 ASSERT((0 <= reg) && (reg < kNumberOfCpuRegisters)); | 1919 ASSERT((0 <= reg) && (reg < kNumberOfCpuRegisters)); |
1919 return cpu_reg_names[reg]; | 1920 return cpu_reg_names[reg]; |
1920 } | 1921 } |
1921 | 1922 |
1922 | 1923 |
1923 } // namespace dart | 1924 } // namespace dart |
1924 | 1925 |
1925 #endif // defined TARGET_ARCH_X64 | 1926 #endif // defined TARGET_ARCH_X64 |
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