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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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4040 regs_.Save(masm); | 4040 regs_.Save(masm); |
4041 | 4041 |
4042 if (remembered_set_action() == EMIT_REMEMBERED_SET) { | 4042 if (remembered_set_action() == EMIT_REMEMBERED_SET) { |
4043 Label dont_need_remembered_set; | 4043 Label dont_need_remembered_set; |
4044 | 4044 |
4045 __ mov(regs_.scratch0(), Operand(regs_.address(), 0)); | 4045 __ mov(regs_.scratch0(), Operand(regs_.address(), 0)); |
4046 __ JumpIfNotInNewSpace(regs_.scratch0(), // Value. | 4046 __ JumpIfNotInNewSpace(regs_.scratch0(), // Value. |
4047 regs_.scratch0(), | 4047 regs_.scratch0(), |
4048 &dont_need_remembered_set); | 4048 &dont_need_remembered_set); |
4049 | 4049 |
4050 __ CheckPageFlag(regs_.object(), | 4050 __ JumpIfInNewSpace(regs_.object(), regs_.scratch0(), |
4051 regs_.scratch0(), | 4051 &dont_need_remembered_set); |
4052 1 << MemoryChunk::SCAN_ON_SCAVENGE, | |
4053 not_zero, | |
4054 &dont_need_remembered_set); | |
4055 | 4052 |
4056 // First notify the incremental marker if necessary, then update the | 4053 // First notify the incremental marker if necessary, then update the |
4057 // remembered set. | 4054 // remembered set. |
4058 CheckNeedsToInformIncrementalMarker( | 4055 CheckNeedsToInformIncrementalMarker( |
4059 masm, | 4056 masm, |
4060 kUpdateRememberedSetOnNoNeedToInformIncrementalMarker, | 4057 kUpdateRememberedSetOnNoNeedToInformIncrementalMarker, |
4061 mode); | 4058 mode); |
4062 InformIncrementalMarker(masm); | 4059 InformIncrementalMarker(masm); |
4063 regs_.Restore(masm); | 4060 regs_.Restore(masm); |
4064 __ RememberedSetHelper(object(), address(), value(), save_fp_regs_mode(), | 4061 __ RememberedSetHelper(object(), address(), value(), save_fp_regs_mode(), |
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5744 return_value_operand, NULL); | 5741 return_value_operand, NULL); |
5745 } | 5742 } |
5746 | 5743 |
5747 | 5744 |
5748 #undef __ | 5745 #undef __ |
5749 | 5746 |
5750 } // namespace internal | 5747 } // namespace internal |
5751 } // namespace v8 | 5748 } // namespace v8 |
5752 | 5749 |
5753 #endif // V8_TARGET_ARCH_IA32 | 5750 #endif // V8_TARGET_ARCH_IA32 |
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