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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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1918 } | 1918 } |
1919 } | 1919 } |
1920 } | 1920 } |
1921 UNREACHABLE(); | 1921 UNREACHABLE(); |
1922 return NULL; | 1922 return NULL; |
1923 } | 1923 } |
1924 | 1924 |
1925 | 1925 |
1926 LInstruction* LChunkBuilder::DoCheckHeapObject(HCheckHeapObject* instr) { | 1926 LInstruction* LChunkBuilder::DoCheckHeapObject(HCheckHeapObject* instr) { |
1927 LOperand* value = UseRegisterAtStart(instr->value()); | 1927 LOperand* value = UseRegisterAtStart(instr->value()); |
1928 return AssignEnvironment(new(zone()) LCheckNonSmi(value)); | 1928 LInstruction* result = new(zone()) LCheckNonSmi(value); |
| 1929 if (!instr->value()->IsHeapObject()) result = AssignEnvironment(result); |
| 1930 return result; |
1929 } | 1931 } |
1930 | 1932 |
1931 | 1933 |
1932 LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) { | 1934 LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) { |
1933 LOperand* value = UseRegisterAtStart(instr->value()); | 1935 LOperand* value = UseRegisterAtStart(instr->value()); |
1934 return AssignEnvironment(new(zone()) LCheckSmi(value)); | 1936 return AssignEnvironment(new(zone()) LCheckSmi(value)); |
1935 } | 1937 } |
1936 | 1938 |
1937 | 1939 |
1938 LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) { | 1940 LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) { |
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2601 LOperand* index = UseTempRegister(instr->index()); | 2603 LOperand* index = UseTempRegister(instr->index()); |
2602 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); | 2604 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); |
2603 LInstruction* result = DefineSameAsFirst(load); | 2605 LInstruction* result = DefineSameAsFirst(load); |
2604 return AssignPointerMap(result); | 2606 return AssignPointerMap(result); |
2605 } | 2607 } |
2606 | 2608 |
2607 | 2609 |
2608 } } // namespace v8::internal | 2610 } } // namespace v8::internal |
2609 | 2611 |
2610 #endif // V8_TARGET_ARCH_X64 | 2612 #endif // V8_TARGET_ARCH_X64 |
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