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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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1660 ASSERT(instr->left()->representation().Equals(instr->representation())); | 1660 ASSERT(instr->left()->representation().Equals(instr->representation())); |
1661 ASSERT(instr->right()->representation().Equals(instr->representation())); | 1661 ASSERT(instr->right()->representation().Equals(instr->representation())); |
1662 LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); | 1662 LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
1663 LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand()); | 1663 LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand()); |
1664 LAddI* add = new(zone()) LAddI(left, right); | 1664 LAddI* add = new(zone()) LAddI(left, right); |
1665 LInstruction* result = DefineAsRegister(add); | 1665 LInstruction* result = DefineAsRegister(add); |
1666 if (instr->CheckFlag(HValue::kCanOverflow)) { | 1666 if (instr->CheckFlag(HValue::kCanOverflow)) { |
1667 result = AssignEnvironment(result); | 1667 result = AssignEnvironment(result); |
1668 } | 1668 } |
1669 return result; | 1669 return result; |
| 1670 } else if (instr->representation().IsExternal()) { |
| 1671 ASSERT(instr->left()->representation().IsExternal()); |
| 1672 ASSERT(instr->right()->representation().IsInteger32()); |
| 1673 ASSERT(!instr->CheckFlag(HValue::kCanOverflow)); |
| 1674 LOperand* left = UseRegisterAtStart(instr->left()); |
| 1675 LOperand* right = UseOrConstantAtStart(instr->right()); |
| 1676 LAddI* add = new(zone()) LAddI(left, right); |
| 1677 LInstruction* result = DefineAsRegister(add); |
| 1678 return result; |
1670 } else if (instr->representation().IsDouble()) { | 1679 } else if (instr->representation().IsDouble()) { |
1671 if (instr->left()->IsMul()) { | 1680 if (instr->left()->IsMul()) { |
1672 return DoMultiplyAdd(HMul::cast(instr->left()), instr->right()); | 1681 return DoMultiplyAdd(HMul::cast(instr->left()), instr->right()); |
1673 } | 1682 } |
1674 | 1683 |
1675 if (instr->right()->IsMul()) { | 1684 if (instr->right()->IsMul()) { |
1676 ASSERT(!instr->left()->IsMul()); | 1685 ASSERT(!instr->left()->IsMul()); |
1677 return DoMultiplyAdd(HMul::cast(instr->right()), instr->left()); | 1686 return DoMultiplyAdd(HMul::cast(instr->right()), instr->left()); |
1678 } | 1687 } |
1679 | 1688 |
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2679 | 2688 |
2680 | 2689 |
2681 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2690 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2682 LOperand* object = UseRegister(instr->object()); | 2691 LOperand* object = UseRegister(instr->object()); |
2683 LOperand* index = UseRegister(instr->index()); | 2692 LOperand* index = UseRegister(instr->index()); |
2684 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2693 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2685 } | 2694 } |
2686 | 2695 |
2687 | 2696 |
2688 } } // namespace v8::internal | 2697 } } // namespace v8::internal |
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