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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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1476 ASSERT(instr->right()->representation().Equals(instr->representation())); | 1476 ASSERT(instr->right()->representation().Equals(instr->representation())); |
1477 if (instr->HasPowerOf2Divisor()) { | 1477 if (instr->HasPowerOf2Divisor()) { |
1478 ASSERT(!right->CanBeZero()); | 1478 ASSERT(!right->CanBeZero()); |
1479 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), | 1479 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), |
1480 UseOrConstant(right)); | 1480 UseOrConstant(right)); |
1481 LInstruction* result = DefineAsRegister(mod); | 1481 LInstruction* result = DefineAsRegister(mod); |
1482 return (left->CanBeNegative() && | 1482 return (left->CanBeNegative() && |
1483 instr->CheckFlag(HValue::kBailoutOnMinusZero)) | 1483 instr->CheckFlag(HValue::kBailoutOnMinusZero)) |
1484 ? AssignEnvironment(result) | 1484 ? AssignEnvironment(result) |
1485 : result; | 1485 : result; |
1486 } else if (instr->fixed_right_arg().has_value) { | |
1487 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), | |
1488 UseRegisterAtStart(right)); | |
1489 return AssignEnvironment(DefineAsRegister(mod)); | |
1490 } else if (CpuFeatures::IsSupported(SUDIV)) { | 1486 } else if (CpuFeatures::IsSupported(SUDIV)) { |
1491 LModI* mod = new(zone()) LModI(UseRegister(left), | 1487 LModI* mod = new(zone()) LModI(UseRegister(left), |
1492 UseRegister(right)); | 1488 UseRegister(right)); |
1493 LInstruction* result = DefineAsRegister(mod); | 1489 LInstruction* result = DefineAsRegister(mod); |
1494 return (right->CanBeZero() || | 1490 return (right->CanBeZero() || |
1495 (left->RangeCanInclude(kMinInt) && | 1491 (left->RangeCanInclude(kMinInt) && |
1496 right->RangeCanInclude(-1) && | 1492 right->RangeCanInclude(-1) && |
1497 instr->CheckFlag(HValue::kBailoutOnMinusZero)) || | 1493 instr->CheckFlag(HValue::kBailoutOnMinusZero)) || |
1498 (left->CanBeNegative() && | 1494 (left->CanBeNegative() && |
1499 instr->CanBeZero() && | 1495 instr->CanBeZero() && |
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2690 | 2686 |
2691 | 2687 |
2692 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2688 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2693 LOperand* object = UseRegister(instr->object()); | 2689 LOperand* object = UseRegister(instr->object()); |
2694 LOperand* index = UseRegister(instr->index()); | 2690 LOperand* index = UseRegister(instr->index()); |
2695 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2691 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2696 } | 2692 } |
2697 | 2693 |
2698 | 2694 |
2699 } } // namespace v8::internal | 2695 } } // namespace v8::internal |
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