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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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8062 frame_->Spill(value.reg()); | 8062 frame_->Spill(value.reg()); |
8063 | 8063 |
8064 // Update the write barrier. To save instructions in the inlined | 8064 // Update the write barrier. To save instructions in the inlined |
8065 // version we do not filter smis. | 8065 // version we do not filter smis. |
8066 Label skip_write_barrier; | 8066 Label skip_write_barrier; |
8067 __ InNewSpace(receiver.reg(), value.reg(), equal, &skip_write_barrier); | 8067 __ InNewSpace(receiver.reg(), value.reg(), equal, &skip_write_barrier); |
8068 int delta_to_record_write = masm_->SizeOfCodeGeneratedSince(&patch_site); | 8068 int delta_to_record_write = masm_->SizeOfCodeGeneratedSince(&patch_site); |
8069 __ lea(scratch.reg(), Operand(receiver.reg(), offset)); | 8069 __ lea(scratch.reg(), Operand(receiver.reg(), offset)); |
8070 __ RecordWriteHelper(receiver.reg(), scratch.reg(), value.reg()); | 8070 __ RecordWriteHelper(receiver.reg(), scratch.reg(), value.reg()); |
8071 if (FLAG_debug_code) { | 8071 if (FLAG_debug_code) { |
8072 __ movq(receiver.reg(), Immediate(BitCast<int64_t>(kZapValue))); | 8072 __ movq(receiver.reg(), BitCast<int64_t>(kZapValue), RelocInfo::NONE); |
8073 __ movq(value.reg(), Immediate(BitCast<int64_t>(kZapValue))); | 8073 __ movq(value.reg(), BitCast<int64_t>(kZapValue), RelocInfo::NONE); |
8074 __ movq(scratch.reg(), Immediate(BitCast<int64_t>(kZapValue))); | 8074 __ movq(scratch.reg(), BitCast<int64_t>(kZapValue), RelocInfo::NONE); |
8075 } | 8075 } |
8076 __ bind(&skip_write_barrier); | 8076 __ bind(&skip_write_barrier); |
8077 value.Unuse(); | 8077 value.Unuse(); |
8078 scratch.Unuse(); | 8078 scratch.Unuse(); |
8079 receiver.Unuse(); | 8079 receiver.Unuse(); |
8080 done.Jump(&result); | 8080 done.Jump(&result); |
8081 | 8081 |
8082 slow.Bind(&value, &receiver); | 8082 slow.Bind(&value, &receiver); |
8083 frame()->Push(&receiver); | 8083 frame()->Push(&receiver); |
8084 frame()->Push(&value); | 8084 frame()->Push(&value); |
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12425 #undef __ | 12425 #undef __ |
12426 | 12426 |
12427 void RecordWriteStub::Generate(MacroAssembler* masm) { | 12427 void RecordWriteStub::Generate(MacroAssembler* masm) { |
12428 masm->RecordWriteHelper(object_, addr_, scratch_); | 12428 masm->RecordWriteHelper(object_, addr_, scratch_); |
12429 masm->ret(0); | 12429 masm->ret(0); |
12430 } | 12430 } |
12431 | 12431 |
12432 } } // namespace v8::internal | 12432 } } // namespace v8::internal |
12433 | 12433 |
12434 #endif // V8_TARGET_ARCH_X64 | 12434 #endif // V8_TARGET_ARCH_X64 |
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