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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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2290 !(FLAG_track_double_fields && instr->field_representation().IsDouble()); | 2290 !(FLAG_track_double_fields && instr->field_representation().IsDouble()); |
2291 | 2291 |
2292 LOperand* val; | 2292 LOperand* val; |
2293 if (needs_write_barrier) { | 2293 if (needs_write_barrier) { |
2294 val = UseTempRegister(instr->value()); | 2294 val = UseTempRegister(instr->value()); |
2295 } else if (is_external_location) { | 2295 } else if (is_external_location) { |
2296 val = UseFixed(instr->value(), rax); | 2296 val = UseFixed(instr->value(), rax); |
2297 } else if (can_be_constant) { | 2297 } else if (can_be_constant) { |
2298 val = UseRegisterOrConstant(instr->value()); | 2298 val = UseRegisterOrConstant(instr->value()); |
2299 } else if (FLAG_track_fields && instr->field_representation().IsSmi()) { | 2299 } else if (FLAG_track_fields && instr->field_representation().IsSmi()) { |
2300 val = UseTempRegister(instr->value()); | 2300 val = UseRegister(instr->value()); |
2301 } else if (FLAG_track_double_fields && | 2301 } else if (FLAG_track_double_fields && |
2302 instr->field_representation().IsDouble()) { | 2302 instr->field_representation().IsDouble()) { |
2303 val = UseRegisterAtStart(instr->value()); | 2303 val = UseRegisterAtStart(instr->value()); |
2304 } else { | 2304 } else { |
2305 val = UseRegister(instr->value()); | 2305 val = UseRegister(instr->value()); |
2306 } | 2306 } |
2307 | 2307 |
2308 // We only need a scratch register if we have a write barrier or we | 2308 // We only need a scratch register if we have a write barrier or we |
2309 // have a store into the properties array (not in-object-property). | 2309 // have a store into the properties array (not in-object-property). |
2310 LOperand* temp = (!is_in_object || needs_write_barrier || | 2310 LOperand* temp = (!is_in_object || needs_write_barrier || |
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2600 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2600 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2601 LOperand* object = UseRegister(instr->object()); | 2601 LOperand* object = UseRegister(instr->object()); |
2602 LOperand* index = UseTempRegister(instr->index()); | 2602 LOperand* index = UseTempRegister(instr->index()); |
2603 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); | 2603 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); |
2604 } | 2604 } |
2605 | 2605 |
2606 | 2606 |
2607 } } // namespace v8::internal | 2607 } } // namespace v8::internal |
2608 | 2608 |
2609 #endif // V8_TARGET_ARCH_X64 | 2609 #endif // V8_TARGET_ARCH_X64 |
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