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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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5190 ASSERT(input->IsRegister()); | 5190 ASSERT(input->IsRegister()); |
5191 Register reg = ToRegister(input); | 5191 Register reg = ToRegister(input); |
5192 __ lw(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset)); | 5192 __ lw(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset)); |
5193 | 5193 |
5194 DeferredCheckMaps* deferred = NULL; | 5194 DeferredCheckMaps* deferred = NULL; |
5195 if (instr->hydrogen()->has_migration_target()) { | 5195 if (instr->hydrogen()->has_migration_target()) { |
5196 deferred = new(zone()) DeferredCheckMaps(this, instr, reg); | 5196 deferred = new(zone()) DeferredCheckMaps(this, instr, reg); |
5197 __ bind(deferred->check_maps()); | 5197 __ bind(deferred->check_maps()); |
5198 } | 5198 } |
5199 | 5199 |
5200 UniqueSet<Map> map_set = instr->hydrogen()->map_set(); | 5200 const UniqueSet<Map>* map_set = instr->hydrogen()->map_set(); |
5201 Label success; | 5201 Label success; |
5202 for (int i = 0; i < map_set.size() - 1; i++) { | 5202 for (int i = 0; i < map_set->size() - 1; i++) { |
5203 Handle<Map> map = map_set.at(i).handle(); | 5203 Handle<Map> map = map_set->at(i).handle(); |
5204 __ CompareMapAndBranch(map_reg, map, &success, eq, &success); | 5204 __ CompareMapAndBranch(map_reg, map, &success, eq, &success); |
5205 } | 5205 } |
5206 Handle<Map> map = map_set.at(map_set.size() - 1).handle(); | 5206 Handle<Map> map = map_set->at(map_set->size() - 1).handle(); |
5207 // Do the CompareMap() directly within the Branch() and DeoptimizeIf(). | 5207 // Do the CompareMap() directly within the Branch() and DeoptimizeIf(). |
5208 if (instr->hydrogen()->has_migration_target()) { | 5208 if (instr->hydrogen()->has_migration_target()) { |
5209 __ Branch(deferred->entry(), ne, map_reg, Operand(map)); | 5209 __ Branch(deferred->entry(), ne, map_reg, Operand(map)); |
5210 } else { | 5210 } else { |
5211 DeoptimizeIf(ne, instr->environment(), map_reg, Operand(map)); | 5211 DeoptimizeIf(ne, instr->environment(), map_reg, Operand(map)); |
5212 } | 5212 } |
5213 | 5213 |
5214 __ bind(&success); | 5214 __ bind(&success); |
5215 } | 5215 } |
5216 | 5216 |
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5910 __ lw(result, FieldMemOperand(scratch, | 5910 __ lw(result, FieldMemOperand(scratch, |
5911 FixedArray::kHeaderSize - kPointerSize)); | 5911 FixedArray::kHeaderSize - kPointerSize)); |
5912 __ bind(deferred->exit()); | 5912 __ bind(deferred->exit()); |
5913 __ bind(&done); | 5913 __ bind(&done); |
5914 } | 5914 } |
5915 | 5915 |
5916 | 5916 |
5917 #undef __ | 5917 #undef __ |
5918 | 5918 |
5919 } } // namespace v8::internal | 5919 } } // namespace v8::internal |
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