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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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1402 return DoArithmeticD(Token::DIV, instr); | 1402 return DoArithmeticD(Token::DIV, instr); |
1403 } else { | 1403 } else { |
1404 return DoArithmeticT(Token::DIV, instr); | 1404 return DoArithmeticT(Token::DIV, instr); |
1405 } | 1405 } |
1406 } | 1406 } |
1407 | 1407 |
1408 | 1408 |
1409 LInstruction* LChunkBuilder::DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr) { | 1409 LInstruction* LChunkBuilder::DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr) { |
1410 LOperand* dividend = UseRegisterAtStart(instr->left()); | 1410 LOperand* dividend = UseRegisterAtStart(instr->left()); |
1411 int32_t divisor = instr->right()->GetInteger32Constant(); | 1411 int32_t divisor = instr->right()->GetInteger32Constant(); |
1412 LInstruction* result = | 1412 LInstruction* result = DefineSameAsFirst(new(zone()) LFlooringDivByPowerOf2I( |
1413 DefineSameAsFirst(new(zone()) LFlooringDivByPowerOf2I(dividend, divisor)); | 1413 dividend, divisor)); |
1414 bool can_deopt = | 1414 if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || |
1415 (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || | 1415 (instr->CheckFlag(HValue::kLeftCanBeMinInt) && divisor == -1)) { |
1416 (instr->left()->RangeCanInclude(kMinInt) && divisor == -1); | 1416 result = AssignEnvironment(result); |
1417 return can_deopt ? AssignEnvironment(result) : result; | 1417 } |
| 1418 return result; |
1418 } | 1419 } |
1419 | 1420 |
1420 | 1421 |
1421 LInstruction* LChunkBuilder::DoFlooringDivByConstI(HMathFloorOfDiv* instr) { | 1422 LInstruction* LChunkBuilder::DoFlooringDivByConstI(HMathFloorOfDiv* instr) { |
1422 ASSERT(instr->representation().IsInteger32()); | 1423 ASSERT(instr->representation().IsInteger32()); |
1423 ASSERT(instr->left()->representation().Equals(instr->representation())); | 1424 ASSERT(instr->left()->representation().Equals(instr->representation())); |
1424 ASSERT(instr->right()->representation().Equals(instr->representation())); | 1425 ASSERT(instr->right()->representation().Equals(instr->representation())); |
1425 LOperand* dividend = UseRegister(instr->left()); | 1426 LOperand* dividend = UseRegister(instr->left()); |
1426 int32_t divisor = instr->right()->GetInteger32Constant(); | 1427 int32_t divisor = instr->right()->GetInteger32Constant(); |
1427 LOperand* temp1 = FixedTemp(eax); | 1428 LOperand* temp1 = FixedTemp(eax); |
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2674 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2675 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2675 LOperand* object = UseRegister(instr->object()); | 2676 LOperand* object = UseRegister(instr->object()); |
2676 LOperand* index = UseTempRegister(instr->index()); | 2677 LOperand* index = UseTempRegister(instr->index()); |
2677 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); | 2678 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); |
2678 } | 2679 } |
2679 | 2680 |
2680 | 2681 |
2681 } } // namespace v8::internal | 2682 } } // namespace v8::internal |
2682 | 2683 |
2683 #endif // V8_TARGET_ARCH_IA32 | 2684 #endif // V8_TARGET_ARCH_IA32 |
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