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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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1134 TempRegister()); | 1134 TempRegister()); |
1135 return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); | 1135 return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
1136 } else { | 1136 } else { |
1137 STATIC_ASSERT((kMinInt == Smi::kMinValue) && | 1137 STATIC_ASSERT((kMinInt == Smi::kMinValue) && |
1138 (kMaxInt == Smi::kMaxValue)); | 1138 (kMaxInt == Smi::kMaxValue)); |
1139 LOperand* value = UseRegisterAtStart(instr->value()); | 1139 LOperand* value = UseRegisterAtStart(instr->value()); |
1140 return DefineAsRegister(new(zone()) LSmiTag(value)); | 1140 return DefineAsRegister(new(zone()) LSmiTag(value)); |
1141 } | 1141 } |
1142 } else if (to.IsSmi()) { | 1142 } else if (to.IsSmi()) { |
1143 LOperand* value = UseRegisterAtStart(instr->value()); | 1143 LOperand* value = UseRegisterAtStart(instr->value()); |
| 1144 LInstruction* result = DefineAsRegister(new(zone()) LSmiTag(value)); |
1144 if (instr->value()->CheckFlag(HInstruction::kUint32)) { | 1145 if (instr->value()->CheckFlag(HInstruction::kUint32)) { |
1145 LUint32ToSmi* result = new(zone()) LUint32ToSmi(value); | 1146 result = AssignEnvironment(result); |
1146 return AssignEnvironment(DefineAsRegister(result)); | |
1147 } else { | |
1148 // This cannot deoptimize because an A64 smi can represent any int32. | |
1149 return DefineAsRegister(new(zone()) LInteger32ToSmi(value)); | |
1150 } | 1147 } |
| 1148 return result; |
1151 } else { | 1149 } else { |
1152 ASSERT(to.IsDouble()); | 1150 ASSERT(to.IsDouble()); |
1153 if (instr->value()->CheckFlag(HInstruction::kUint32)) { | 1151 if (instr->value()->CheckFlag(HInstruction::kUint32)) { |
1154 return DefineAsRegister( | 1152 return DefineAsRegister( |
1155 new(zone()) LUint32ToDouble(UseRegisterAtStart(instr->value()))); | 1153 new(zone()) LUint32ToDouble(UseRegisterAtStart(instr->value()))); |
1156 } else { | 1154 } else { |
1157 return DefineAsRegister( | 1155 return DefineAsRegister( |
1158 new(zone()) LInteger32ToDouble(UseRegisterAtStart(instr->value()))); | 1156 new(zone()) LInteger32ToDouble(UseRegisterAtStart(instr->value()))); |
1159 } | 1157 } |
1160 } | 1158 } |
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2557 | 2555 |
2558 LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { | 2556 LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { |
2559 LOperand* receiver = UseRegister(instr->receiver()); | 2557 LOperand* receiver = UseRegister(instr->receiver()); |
2560 LOperand* function = UseRegister(instr->function()); | 2558 LOperand* function = UseRegister(instr->function()); |
2561 LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function); | 2559 LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function); |
2562 return AssignEnvironment(DefineAsRegister(result)); | 2560 return AssignEnvironment(DefineAsRegister(result)); |
2563 } | 2561 } |
2564 | 2562 |
2565 | 2563 |
2566 } } // namespace v8::internal | 2564 } } // namespace v8::internal |
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