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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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| 2416 obj = instr->is_in_object() | 2416 obj = instr->is_in_object() |
| 2417 ? UseRegister(instr->object()) | 2417 ? UseRegister(instr->object()) |
| 2418 : UseTempRegister(instr->object()); | 2418 : UseTempRegister(instr->object()); |
| 2419 } else { | 2419 } else { |
| 2420 obj = needs_write_barrier_for_map | 2420 obj = needs_write_barrier_for_map |
| 2421 ? UseRegister(instr->object()) | 2421 ? UseRegister(instr->object()) |
| 2422 : UseRegisterAtStart(instr->object()); | 2422 : UseRegisterAtStart(instr->object()); |
| 2423 } | 2423 } |
| 2424 | 2424 |
| 2425 bool can_be_constant = instr->value()->IsConstant() && | 2425 bool can_be_constant = instr->value()->IsConstant() && |
| 2426 !HConstant::cast(instr->value())->InNewSpace() && | 2426 HConstant::cast(instr->value())->NotInNewSpace() && |
| 2427 !(FLAG_track_double_fields && instr->field_representation().IsDouble()); | 2427 !(FLAG_track_double_fields && instr->field_representation().IsDouble()); |
| 2428 | 2428 |
| 2429 LOperand* val; | 2429 LOperand* val; |
| 2430 if (needs_write_barrier) { | 2430 if (needs_write_barrier) { |
| 2431 val = UseTempRegister(instr->value()); | 2431 val = UseTempRegister(instr->value()); |
| 2432 } else if (can_be_constant) { | 2432 } else if (can_be_constant) { |
| 2433 val = UseRegisterOrConstant(instr->value()); | 2433 val = UseRegisterOrConstant(instr->value()); |
| 2434 } else if (FLAG_track_fields && instr->field_representation().IsSmi()) { | 2434 } else if (FLAG_track_fields && instr->field_representation().IsSmi()) { |
| 2435 val = UseTempRegister(instr->value()); | 2435 val = UseTempRegister(instr->value()); |
| 2436 } else { | 2436 } else { |
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| 2771 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2771 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
| 2772 LOperand* object = UseRegister(instr->object()); | 2772 LOperand* object = UseRegister(instr->object()); |
| 2773 LOperand* index = UseTempRegister(instr->index()); | 2773 LOperand* index = UseTempRegister(instr->index()); |
| 2774 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); | 2774 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); |
| 2775 } | 2775 } |
| 2776 | 2776 |
| 2777 | 2777 |
| 2778 } } // namespace v8::internal | 2778 } } // namespace v8::internal |
| 2779 | 2779 |
| 2780 #endif // V8_TARGET_ARCH_IA32 | 2780 #endif // V8_TARGET_ARCH_IA32 |
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