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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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1433 ASSERT(right->representation().IsInteger32()); | 1433 ASSERT(right->representation().IsInteger32()); |
1434 if (instr->HasPowerOf2Divisor()) { | 1434 if (instr->HasPowerOf2Divisor()) { |
1435 ASSERT(!right->CanBeZero()); | 1435 ASSERT(!right->CanBeZero()); |
1436 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), | 1436 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), |
1437 UseOrConstant(right)); | 1437 UseOrConstant(right)); |
1438 LInstruction* result = DefineAsRegister(mod); | 1438 LInstruction* result = DefineAsRegister(mod); |
1439 return (left->CanBeNegative() && | 1439 return (left->CanBeNegative() && |
1440 instr->CheckFlag(HValue::kBailoutOnMinusZero)) | 1440 instr->CheckFlag(HValue::kBailoutOnMinusZero)) |
1441 ? AssignEnvironment(result) | 1441 ? AssignEnvironment(result) |
1442 : result; | 1442 : result; |
| 1443 } else if (instr->fixed_right_arg().has_value) { |
| 1444 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), |
| 1445 UseRegisterAtStart(right)); |
| 1446 return AssignEnvironment(DefineAsRegister(mod)); |
1443 } else { | 1447 } else { |
1444 LModI* mod = new(zone()) LModI(UseRegister(left), | 1448 LModI* mod = new(zone()) LModI(UseRegister(left), |
1445 UseRegister(right), | 1449 UseRegister(right), |
1446 TempRegister(), | 1450 TempRegister(), |
1447 FixedTemp(f20), | 1451 FixedTemp(f20), |
1448 FixedTemp(f22)); | 1452 FixedTemp(f22)); |
1449 LInstruction* result = DefineAsRegister(mod); | 1453 LInstruction* result = DefineAsRegister(mod); |
1450 return (right->CanBeZero() || | 1454 return (right->CanBeZero() || |
1451 (left->RangeCanInclude(kMinInt) && | 1455 (left->RangeCanInclude(kMinInt) && |
1452 right->RangeCanInclude(-1)) || | 1456 right->RangeCanInclude(-1)) || |
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2580 | 2584 |
2581 | 2585 |
2582 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2586 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2583 LOperand* object = UseRegister(instr->object()); | 2587 LOperand* object = UseRegister(instr->object()); |
2584 LOperand* index = UseRegister(instr->index()); | 2588 LOperand* index = UseRegister(instr->index()); |
2585 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2589 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2586 } | 2590 } |
2587 | 2591 |
2588 | 2592 |
2589 } } // namespace v8::internal | 2593 } } // namespace v8::internal |
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