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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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2007 return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result))); | 2007 return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result))); |
2008 } else if (val->HasRange() && val->range()->IsInSmiRange()) { | 2008 } else if (val->HasRange() && val->range()->IsInSmiRange()) { |
2009 return DefineAsRegister(new(zone()) LSmiTag(value)); | 2009 return DefineAsRegister(new(zone()) LSmiTag(value)); |
2010 } else { | 2010 } else { |
2011 LNumberTagI* result = new(zone()) LNumberTagI(value); | 2011 LNumberTagI* result = new(zone()) LNumberTagI(value); |
2012 return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); | 2012 return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
2013 } | 2013 } |
2014 } else if (to.IsSmi()) { | 2014 } else if (to.IsSmi()) { |
2015 HValue* val = instr->value(); | 2015 HValue* val = instr->value(); |
2016 LOperand* value = UseRegister(val); | 2016 LOperand* value = UseRegister(val); |
2017 LInstruction* result = | 2017 LInstruction* result = val->CheckFlag(HInstruction::kUint32) |
2018 DefineSameAsFirst(new(zone()) LInteger32ToSmi(value)); | 2018 ? DefineSameAsFirst(new(zone()) LUint32ToSmi(value)) |
| 2019 : DefineSameAsFirst(new(zone()) LInteger32ToSmi(value)); |
2019 if (val->HasRange() && val->range()->IsInSmiRange()) { | 2020 if (val->HasRange() && val->range()->IsInSmiRange()) { |
2020 return result; | 2021 return result; |
2021 } | 2022 } |
2022 return AssignEnvironment(result); | 2023 return AssignEnvironment(result); |
2023 } else { | 2024 } else { |
2024 ASSERT(to.IsDouble()); | 2025 ASSERT(to.IsDouble()); |
2025 if (instr->value()->CheckFlag(HInstruction::kUint32)) { | 2026 if (instr->value()->CheckFlag(HInstruction::kUint32)) { |
2026 return DefineAsRegister( | 2027 return DefineAsRegister( |
2027 new(zone()) LUint32ToDouble(UseRegister(instr->value()))); | 2028 new(zone()) LUint32ToDouble(UseRegister(instr->value()))); |
2028 } else { | 2029 } else { |
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2658 | 2659 |
2659 | 2660 |
2660 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2661 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2661 LOperand* object = UseRegister(instr->object()); | 2662 LOperand* object = UseRegister(instr->object()); |
2662 LOperand* index = UseRegister(instr->index()); | 2663 LOperand* index = UseRegister(instr->index()); |
2663 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2664 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2664 } | 2665 } |
2665 | 2666 |
2666 | 2667 |
2667 } } // namespace v8::internal | 2668 } } // namespace v8::internal |
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