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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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172 | 172 |
173 bool LGoto::HasInterestingComment(LCodeGen* gen) const { | 173 bool LGoto::HasInterestingComment(LCodeGen* gen) const { |
174 return !gen->IsNextEmittedBlock(block_id()); | 174 return !gen->IsNextEmittedBlock(block_id()); |
175 } | 175 } |
176 | 176 |
177 | 177 |
178 template<int R> | 178 template<int R> |
179 bool LTemplateResultInstruction<R>::MustSignExtendResult( | 179 bool LTemplateResultInstruction<R>::MustSignExtendResult( |
180 LPlatformChunk* chunk) const { | 180 LPlatformChunk* chunk) const { |
181 HValue* hvalue = this->hydrogen_value(); | 181 HValue* hvalue = this->hydrogen_value(); |
182 | 182 return hvalue != NULL && |
183 if (hvalue == NULL) return false; | 183 hvalue->representation().IsInteger32() && |
184 if (!hvalue->representation().IsInteger32()) return false; | 184 chunk->GetDehoistedKeyIds()->Contains(hvalue->id()); |
185 if (hvalue->HasRange() && !hvalue->range()->CanBeNegative()) return false; | |
186 | |
187 return chunk->GetDehoistedKeyIds()->Contains(hvalue->id()); | |
188 } | 185 } |
189 | 186 |
190 | 187 |
191 void LGoto::PrintDataTo(StringStream* stream) { | 188 void LGoto::PrintDataTo(StringStream* stream) { |
192 stream->Add("B%d", block_id()); | 189 stream->Add("B%d", block_id()); |
193 } | 190 } |
194 | 191 |
195 | 192 |
196 void LBranch::PrintDataTo(StringStream* stream) { | 193 void LBranch::PrintDataTo(StringStream* stream) { |
197 stream->Add("B%d | B%d on ", true_block_id(), false_block_id()); | 194 stream->Add("B%d | B%d on ", true_block_id(), false_block_id()); |
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2603 LOperand* index = UseTempRegister(instr->index()); | 2600 LOperand* index = UseTempRegister(instr->index()); |
2604 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); | 2601 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); |
2605 LInstruction* result = DefineSameAsFirst(load); | 2602 LInstruction* result = DefineSameAsFirst(load); |
2606 return AssignPointerMap(result); | 2603 return AssignPointerMap(result); |
2607 } | 2604 } |
2608 | 2605 |
2609 | 2606 |
2610 } } // namespace v8::internal | 2607 } } // namespace v8::internal |
2611 | 2608 |
2612 #endif // V8_TARGET_ARCH_X64 | 2609 #endif // V8_TARGET_ARCH_X64 |
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