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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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1337 bool can_deopt = | 1337 bool can_deopt = |
1338 divisor == 0 || | 1338 divisor == 0 || |
1339 (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0); | 1339 (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0); |
1340 return can_deopt ? AssignEnvironment(result) : result; | 1340 return can_deopt ? AssignEnvironment(result) : result; |
1341 } | 1341 } |
1342 | 1342 |
1343 | 1343 |
1344 LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { | 1344 LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { |
1345 if (instr->RightIsPowerOf2()) { | 1345 if (instr->RightIsPowerOf2()) { |
1346 return DoFlooringDivByPowerOf2I(instr); | 1346 return DoFlooringDivByPowerOf2I(instr); |
1347 } else if (instr->right()->IsConstant()) { | 1347 } else if (false && instr->right()->IsConstant()) { |
1348 return DoFlooringDivByConstI(instr); | 1348 return DoFlooringDivByConstI(instr); // TODO(svenpanne) Fix and re-enable. |
1349 } else { | 1349 } else { |
1350 return DoDivI(instr); | 1350 return DoDivI(instr); |
1351 } | 1351 } |
1352 } | 1352 } |
1353 | 1353 |
1354 | 1354 |
1355 LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) { | 1355 LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) { |
1356 ASSERT(instr->representation().IsSmiOrInteger32()); | 1356 ASSERT(instr->representation().IsSmiOrInteger32()); |
1357 ASSERT(instr->left()->representation().Equals(instr->representation())); | 1357 ASSERT(instr->left()->representation().Equals(instr->representation())); |
1358 ASSERT(instr->right()->representation().Equals(instr->representation())); | 1358 ASSERT(instr->right()->representation().Equals(instr->representation())); |
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2532 } | 2532 } |
2533 | 2533 |
2534 | 2534 |
2535 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2535 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2536 LOperand* object = UseRegister(instr->object()); | 2536 LOperand* object = UseRegister(instr->object()); |
2537 LOperand* index = UseRegister(instr->index()); | 2537 LOperand* index = UseRegister(instr->index()); |
2538 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2538 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2539 } | 2539 } |
2540 | 2540 |
2541 } } // namespace v8::internal | 2541 } } // namespace v8::internal |
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