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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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2185 | 2185 |
2186 LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) { | 2186 LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) { |
2187 LOperand* obj = (instr->access().IsExternalMemory() && | 2187 LOperand* obj = (instr->access().IsExternalMemory() && |
2188 instr->access().offset() == 0) | 2188 instr->access().offset() == 0) |
2189 ? UseRegisterOrConstantAtStart(instr->object()) | 2189 ? UseRegisterOrConstantAtStart(instr->object()) |
2190 : UseRegisterAtStart(instr->object()); | 2190 : UseRegisterAtStart(instr->object()); |
2191 return DefineAsRegister(new(zone()) LLoadNamedField(obj)); | 2191 return DefineAsRegister(new(zone()) LLoadNamedField(obj)); |
2192 } | 2192 } |
2193 | 2193 |
2194 | 2194 |
2195 LInstruction* LChunkBuilder::DoLoadNamedFieldPolymorphic( | |
2196 HLoadNamedFieldPolymorphic* instr) { | |
2197 ASSERT(instr->representation().IsTagged()); | |
2198 if (instr->need_generic()) { | |
2199 LOperand* context = UseFixed(instr->context(), esi); | |
2200 LOperand* obj = UseFixed(instr->object(), edx); | |
2201 LLoadNamedFieldPolymorphic* result = | |
2202 new(zone()) LLoadNamedFieldPolymorphic(context, obj); | |
2203 return MarkAsCall(DefineFixed(result, eax), instr); | |
2204 } else { | |
2205 LOperand* context = UseAny(instr->context()); // Not actually used. | |
2206 LOperand* obj = UseRegisterAtStart(instr->object()); | |
2207 LLoadNamedFieldPolymorphic* result = | |
2208 new(zone()) LLoadNamedFieldPolymorphic(context, obj); | |
2209 return AssignEnvironment(DefineAsRegister(result)); | |
2210 } | |
2211 } | |
2212 | |
2213 | |
2214 LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) { | 2195 LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) { |
2215 LOperand* context = UseFixed(instr->context(), esi); | 2196 LOperand* context = UseFixed(instr->context(), esi); |
2216 LOperand* object = UseFixed(instr->object(), edx); | 2197 LOperand* object = UseFixed(instr->object(), edx); |
2217 LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric(context, object); | 2198 LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric(context, object); |
2218 return MarkAsCall(DefineFixed(result, eax), instr); | 2199 return MarkAsCall(DefineFixed(result, eax), instr); |
2219 } | 2200 } |
2220 | 2201 |
2221 | 2202 |
2222 LInstruction* LChunkBuilder::DoLoadFunctionPrototype( | 2203 LInstruction* LChunkBuilder::DoLoadFunctionPrototype( |
2223 HLoadFunctionPrototype* instr) { | 2204 HLoadFunctionPrototype* instr) { |
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2731 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2712 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2732 LOperand* object = UseRegister(instr->object()); | 2713 LOperand* object = UseRegister(instr->object()); |
2733 LOperand* index = UseTempRegister(instr->index()); | 2714 LOperand* index = UseTempRegister(instr->index()); |
2734 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); | 2715 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); |
2735 } | 2716 } |
2736 | 2717 |
2737 | 2718 |
2738 } } // namespace v8::internal | 2719 } } // namespace v8::internal |
2739 | 2720 |
2740 #endif // V8_TARGET_ARCH_IA32 | 2721 #endif // V8_TARGET_ARCH_IA32 |
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