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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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1435 bool can_deopt = | 1435 bool can_deopt = |
1436 divisor == 0 || | 1436 divisor == 0 || |
1437 (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0); | 1437 (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0); |
1438 return can_deopt ? AssignEnvironment(result) : result; | 1438 return can_deopt ? AssignEnvironment(result) : result; |
1439 } | 1439 } |
1440 | 1440 |
1441 | 1441 |
1442 LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { | 1442 LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { |
1443 if (instr->RightIsPowerOf2()) { | 1443 if (instr->RightIsPowerOf2()) { |
1444 return DoFlooringDivByPowerOf2I(instr); | 1444 return DoFlooringDivByPowerOf2I(instr); |
1445 } else if (instr->right()->IsConstant()) { | 1445 } else if (false && instr->right()->IsConstant()) { |
1446 return DoFlooringDivByConstI(instr); | 1446 return DoFlooringDivByConstI(instr); // TODO(svenpanne) Fix and re-enable. |
1447 } else { | 1447 } else { |
1448 return DoDivI(instr); | 1448 return DoDivI(instr); |
1449 } | 1449 } |
1450 } | 1450 } |
1451 | 1451 |
1452 | 1452 |
1453 LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) { | 1453 LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) { |
1454 ASSERT(instr->representation().IsSmiOrInteger32()); | 1454 ASSERT(instr->representation().IsSmiOrInteger32()); |
1455 ASSERT(instr->left()->representation().Equals(instr->representation())); | 1455 ASSERT(instr->left()->representation().Equals(instr->representation())); |
1456 ASSERT(instr->right()->representation().Equals(instr->representation())); | 1456 ASSERT(instr->right()->representation().Equals(instr->representation())); |
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2676 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2676 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2677 LOperand* object = UseRegister(instr->object()); | 2677 LOperand* object = UseRegister(instr->object()); |
2678 LOperand* index = UseTempRegister(instr->index()); | 2678 LOperand* index = UseTempRegister(instr->index()); |
2679 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); | 2679 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); |
2680 } | 2680 } |
2681 | 2681 |
2682 | 2682 |
2683 } } // namespace v8::internal | 2683 } } // namespace v8::internal |
2684 | 2684 |
2685 #endif // V8_TARGET_ARCH_IA32 | 2685 #endif // V8_TARGET_ARCH_IA32 |
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