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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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2311 if (needs_write_barrier) { | 2311 if (needs_write_barrier) { |
2312 obj = instr->is_in_object() | 2312 obj = instr->is_in_object() |
2313 ? UseRegister(instr->object()) | 2313 ? UseRegister(instr->object()) |
2314 : UseTempRegister(instr->object()); | 2314 : UseTempRegister(instr->object()); |
2315 } else { | 2315 } else { |
2316 obj = needs_write_barrier_for_map | 2316 obj = needs_write_barrier_for_map |
2317 ? UseRegister(instr->object()) | 2317 ? UseRegister(instr->object()) |
2318 : UseRegisterAtStart(instr->object()); | 2318 : UseRegisterAtStart(instr->object()); |
2319 } | 2319 } |
2320 | 2320 |
2321 LOperand* val = | 2321 LOperand* val; |
2322 needs_write_barrier || | 2322 if (needs_write_barrier || |
2323 (FLAG_track_fields && instr->field_representation().IsSmi()) | 2323 (FLAG_track_fields && instr->field_representation().IsSmi())) { |
2324 ? UseTempRegister(instr->value()) : UseRegister(instr->value()); | 2324 val = UseTempRegister(instr->value()); |
| 2325 } else if (FLAG_track_double_fields && |
| 2326 instr->field_representation().IsDouble()) { |
| 2327 val = UseRegisterAtStart(instr->value()); |
| 2328 } else { |
| 2329 val = UseRegister(instr->value()); |
| 2330 } |
2325 | 2331 |
2326 // We need a temporary register for write barrier of the map field. | 2332 // We need a temporary register for write barrier of the map field. |
2327 LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL; | 2333 LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL; |
2328 | 2334 |
2329 LStoreNamedField* result = new(zone()) LStoreNamedField(obj, val, temp); | 2335 LStoreNamedField* result = new(zone()) LStoreNamedField(obj, val, temp); |
2330 if ((FLAG_track_fields && instr->field_representation().IsSmi()) || | 2336 if (FLAG_track_fields && instr->field_representation().IsSmi()) { |
2331 (FLAG_track_double_fields && instr->field_representation().IsDouble())) { | |
2332 return AssignEnvironment(result); | 2337 return AssignEnvironment(result); |
2333 } | 2338 } |
2334 return result; | 2339 return result; |
2335 } | 2340 } |
2336 | 2341 |
2337 | 2342 |
2338 LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) { | 2343 LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) { |
2339 LOperand* obj = UseFixed(instr->object(), r1); | 2344 LOperand* obj = UseFixed(instr->object(), r1); |
2340 LOperand* val = UseFixed(instr->value(), r0); | 2345 LOperand* val = UseFixed(instr->value(), r0); |
2341 | 2346 |
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2621 | 2626 |
2622 | 2627 |
2623 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2628 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2624 LOperand* object = UseRegister(instr->object()); | 2629 LOperand* object = UseRegister(instr->object()); |
2625 LOperand* index = UseRegister(instr->index()); | 2630 LOperand* index = UseRegister(instr->index()); |
2626 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2631 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2627 } | 2632 } |
2628 | 2633 |
2629 | 2634 |
2630 } } // namespace v8::internal | 2635 } } // namespace v8::internal |
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