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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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1837 LOperand* key = UseRegisterAtStart(instr->key()); | 1837 LOperand* key = UseRegisterAtStart(instr->key()); |
1838 LLoadKeyedFastElement* result = new LLoadKeyedFastElement(obj, key); | 1838 LLoadKeyedFastElement* result = new LLoadKeyedFastElement(obj, key); |
1839 return AssignEnvironment(DefineSameAsFirst(result)); | 1839 return AssignEnvironment(DefineSameAsFirst(result)); |
1840 } | 1840 } |
1841 | 1841 |
1842 | 1842 |
1843 LInstruction* LChunkBuilder::DoLoadKeyedSpecializedArrayElement( | 1843 LInstruction* LChunkBuilder::DoLoadKeyedSpecializedArrayElement( |
1844 HLoadKeyedSpecializedArrayElement* instr) { | 1844 HLoadKeyedSpecializedArrayElement* instr) { |
1845 ExternalArrayType array_type = instr->array_type(); | 1845 ExternalArrayType array_type = instr->array_type(); |
1846 Representation representation(instr->representation()); | 1846 Representation representation(instr->representation()); |
1847 ASSERT((representation.IsInteger32() && array_type != kExternalFloatArray) || | 1847 ASSERT( |
1848 (representation.IsDouble() && array_type == kExternalFloatArray)); | 1848 (representation.IsInteger32() && (array_type != kExternalFloatArray && |
| 1849 array_type != kExternalDoubleArray)) || |
| 1850 (representation.IsDouble() && (array_type == kExternalFloatArray || |
| 1851 array_type == kExternalDoubleArray))); |
1849 ASSERT(instr->key()->representation().IsInteger32()); | 1852 ASSERT(instr->key()->representation().IsInteger32()); |
1850 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1853 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1851 LOperand* key = UseRegister(instr->key()); | 1854 LOperand* key = UseRegister(instr->key()); |
1852 LLoadKeyedSpecializedArrayElement* result = | 1855 LLoadKeyedSpecializedArrayElement* result = |
1853 new LLoadKeyedSpecializedArrayElement(external_pointer, key); | 1856 new LLoadKeyedSpecializedArrayElement(external_pointer, key); |
1854 LInstruction* load_instr = DefineAsRegister(result); | 1857 LInstruction* load_instr = DefineAsRegister(result); |
1855 // An unsigned int array load might overflow and cause a deopt, make sure it | 1858 // An unsigned int array load might overflow and cause a deopt, make sure it |
1856 // has an environment. | 1859 // has an environment. |
1857 return (array_type == kExternalUnsignedIntArray) ? | 1860 return (array_type == kExternalUnsignedIntArray) ? |
1858 AssignEnvironment(load_instr) : load_instr; | 1861 AssignEnvironment(load_instr) : load_instr; |
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1884 : UseRegisterOrConstantAtStart(instr->key()); | 1887 : UseRegisterOrConstantAtStart(instr->key()); |
1885 | 1888 |
1886 return AssignEnvironment(new LStoreKeyedFastElement(obj, key, val)); | 1889 return AssignEnvironment(new LStoreKeyedFastElement(obj, key, val)); |
1887 } | 1890 } |
1888 | 1891 |
1889 | 1892 |
1890 LInstruction* LChunkBuilder::DoStoreKeyedSpecializedArrayElement( | 1893 LInstruction* LChunkBuilder::DoStoreKeyedSpecializedArrayElement( |
1891 HStoreKeyedSpecializedArrayElement* instr) { | 1894 HStoreKeyedSpecializedArrayElement* instr) { |
1892 Representation representation(instr->value()->representation()); | 1895 Representation representation(instr->value()->representation()); |
1893 ExternalArrayType array_type = instr->array_type(); | 1896 ExternalArrayType array_type = instr->array_type(); |
1894 ASSERT((representation.IsInteger32() && array_type != kExternalFloatArray) || | 1897 ASSERT( |
1895 (representation.IsDouble() && array_type == kExternalFloatArray)); | 1898 (representation.IsInteger32() && (array_type != kExternalFloatArray && |
| 1899 array_type != kExternalDoubleArray)) || |
| 1900 (representation.IsDouble() && (array_type == kExternalFloatArray || |
| 1901 array_type == kExternalDoubleArray))); |
1896 ASSERT(instr->external_pointer()->representation().IsExternal()); | 1902 ASSERT(instr->external_pointer()->representation().IsExternal()); |
1897 ASSERT(instr->key()->representation().IsInteger32()); | 1903 ASSERT(instr->key()->representation().IsInteger32()); |
1898 | 1904 |
1899 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1905 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1900 bool val_is_temp_register = array_type == kExternalPixelArray || | 1906 bool val_is_temp_register = array_type == kExternalPixelArray || |
1901 array_type == kExternalFloatArray; | 1907 array_type == kExternalFloatArray; |
1902 LOperand* val = val_is_temp_register | 1908 LOperand* val = val_is_temp_register |
1903 ? UseTempRegister(instr->value()) | 1909 ? UseTempRegister(instr->value()) |
1904 : UseRegister(instr->value()); | 1910 : UseRegister(instr->value()); |
1905 LOperand* key = UseRegister(instr->key()); | 1911 LOperand* key = UseRegister(instr->key()); |
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2126 | 2132 |
2127 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { | 2133 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { |
2128 HEnvironment* outer = current_block_->last_environment()->outer(); | 2134 HEnvironment* outer = current_block_->last_environment()->outer(); |
2129 current_block_->UpdateEnvironment(outer); | 2135 current_block_->UpdateEnvironment(outer); |
2130 return NULL; | 2136 return NULL; |
2131 } | 2137 } |
2132 | 2138 |
2133 } } // namespace v8::internal | 2139 } } // namespace v8::internal |
2134 | 2140 |
2135 #endif // V8_TARGET_ARCH_X64 | 2141 #endif // V8_TARGET_ARCH_X64 |
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