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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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