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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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1467 | 1467 |
1468 LInstruction* LChunkBuilder::DoMod(HMod* instr) { | 1468 LInstruction* LChunkBuilder::DoMod(HMod* instr) { |
1469 HValue* left = instr->left(); | 1469 HValue* left = instr->left(); |
1470 HValue* right = instr->right(); | 1470 HValue* right = instr->right(); |
1471 if (instr->representation().IsSmiOrInteger32()) { | 1471 if (instr->representation().IsSmiOrInteger32()) { |
1472 ASSERT(instr->left()->representation().Equals(instr->representation())); | 1472 ASSERT(instr->left()->representation().Equals(instr->representation())); |
1473 ASSERT(instr->right()->representation().Equals(instr->representation())); | 1473 ASSERT(instr->right()->representation().Equals(instr->representation())); |
1474 if (instr->HasPowerOf2Divisor()) { | 1474 if (instr->HasPowerOf2Divisor()) { |
1475 ASSERT(!right->CanBeZero()); | 1475 ASSERT(!right->CanBeZero()); |
1476 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), | 1476 LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), |
1477 UseOrConstant(right)); | 1477 UseConstant(right)); |
1478 LInstruction* result = DefineAsRegister(mod); | 1478 LInstruction* result = DefineAsRegister(mod); |
1479 return (left->CanBeNegative() && | 1479 return (left->CanBeNegative() && |
1480 instr->CheckFlag(HValue::kBailoutOnMinusZero)) | 1480 instr->CheckFlag(HValue::kBailoutOnMinusZero)) |
1481 ? AssignEnvironment(result) | 1481 ? AssignEnvironment(result) |
1482 : result; | 1482 : result; |
1483 } else if (CpuFeatures::IsSupported(SUDIV)) { | 1483 } else if (CpuFeatures::IsSupported(SUDIV)) { |
1484 LModI* mod = new(zone()) LModI(UseRegister(left), | 1484 LModI* mod = new(zone()) LModI(UseRegister(left), |
1485 UseRegister(right)); | 1485 UseRegister(right)); |
1486 LInstruction* result = DefineAsRegister(mod); | 1486 LInstruction* result = DefineAsRegister(mod); |
1487 return (right->CanBeZero() || | 1487 return (right->CanBeZero() || |
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2672 | 2672 |
2673 | 2673 |
2674 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2674 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2675 LOperand* object = UseRegister(instr->object()); | 2675 LOperand* object = UseRegister(instr->object()); |
2676 LOperand* index = UseRegister(instr->index()); | 2676 LOperand* index = UseRegister(instr->index()); |
2677 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2677 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2678 } | 2678 } |
2679 | 2679 |
2680 | 2680 |
2681 } } // namespace v8::internal | 2681 } } // namespace v8::internal |
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