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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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1847 LOperand* key = UseRegisterAtStart(instr->key()); | 1847 LOperand* key = UseRegisterAtStart(instr->key()); |
1848 LLoadKeyedFastElement* result = new LLoadKeyedFastElement(obj, key); | 1848 LLoadKeyedFastElement* result = new LLoadKeyedFastElement(obj, key); |
1849 return AssignEnvironment(DefineSameAsFirst(result)); | 1849 return AssignEnvironment(DefineSameAsFirst(result)); |
1850 } | 1850 } |
1851 | 1851 |
1852 | 1852 |
1853 LInstruction* LChunkBuilder::DoLoadKeyedSpecializedArrayElement( | 1853 LInstruction* LChunkBuilder::DoLoadKeyedSpecializedArrayElement( |
1854 HLoadKeyedSpecializedArrayElement* instr) { | 1854 HLoadKeyedSpecializedArrayElement* instr) { |
1855 ExternalArrayType array_type = instr->array_type(); | 1855 ExternalArrayType array_type = instr->array_type(); |
1856 Representation representation(instr->representation()); | 1856 Representation representation(instr->representation()); |
1857 ASSERT((representation.IsInteger32() && array_type != kExternalFloatArray) || | 1857 ASSERT( |
1858 (representation.IsDouble() && array_type == kExternalFloatArray)); | 1858 (representation.IsInteger32() && (array_type != kExternalFloatArray && |
| 1859 array_type != kExternalDoubleArray)) || |
| 1860 (representation.IsDouble() && (array_type == kExternalFloatArray || |
| 1861 array_type == kExternalDoubleArray))); |
1859 ASSERT(instr->key()->representation().IsInteger32()); | 1862 ASSERT(instr->key()->representation().IsInteger32()); |
1860 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1863 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1861 LOperand* key = UseRegister(instr->key()); | 1864 LOperand* key = UseRegister(instr->key()); |
1862 LLoadKeyedSpecializedArrayElement* result = | 1865 LLoadKeyedSpecializedArrayElement* result = |
1863 new LLoadKeyedSpecializedArrayElement(external_pointer, key); | 1866 new LLoadKeyedSpecializedArrayElement(external_pointer, key); |
1864 LInstruction* load_instr = DefineAsRegister(result); | 1867 LInstruction* load_instr = DefineAsRegister(result); |
1865 // An unsigned int array load might overflow and cause a deopt, make sure it | 1868 // An unsigned int array load might overflow and cause a deopt, make sure it |
1866 // has an environment. | 1869 // has an environment. |
1867 return (array_type == kExternalUnsignedIntArray) ? | 1870 return (array_type == kExternalUnsignedIntArray) ? |
1868 AssignEnvironment(load_instr) : load_instr; | 1871 AssignEnvironment(load_instr) : load_instr; |
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1895 : UseRegisterOrConstantAtStart(instr->key()); | 1898 : UseRegisterOrConstantAtStart(instr->key()); |
1896 | 1899 |
1897 return AssignEnvironment(new LStoreKeyedFastElement(obj, key, val)); | 1900 return AssignEnvironment(new LStoreKeyedFastElement(obj, key, val)); |
1898 } | 1901 } |
1899 | 1902 |
1900 | 1903 |
1901 LInstruction* LChunkBuilder::DoStoreKeyedSpecializedArrayElement( | 1904 LInstruction* LChunkBuilder::DoStoreKeyedSpecializedArrayElement( |
1902 HStoreKeyedSpecializedArrayElement* instr) { | 1905 HStoreKeyedSpecializedArrayElement* instr) { |
1903 Representation representation(instr->value()->representation()); | 1906 Representation representation(instr->value()->representation()); |
1904 ExternalArrayType array_type = instr->array_type(); | 1907 ExternalArrayType array_type = instr->array_type(); |
1905 ASSERT((representation.IsInteger32() && array_type != kExternalFloatArray) || | 1908 ASSERT( |
1906 (representation.IsDouble() && array_type == kExternalFloatArray)); | 1909 (representation.IsInteger32() && (array_type != kExternalFloatArray && |
| 1910 array_type != kExternalDoubleArray)) || |
| 1911 (representation.IsDouble() && (array_type == kExternalFloatArray || |
| 1912 array_type == kExternalDoubleArray))); |
1907 ASSERT(instr->external_pointer()->representation().IsExternal()); | 1913 ASSERT(instr->external_pointer()->representation().IsExternal()); |
1908 ASSERT(instr->key()->representation().IsInteger32()); | 1914 ASSERT(instr->key()->representation().IsInteger32()); |
1909 | 1915 |
1910 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1916 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1911 bool val_is_temp_register = array_type == kExternalPixelArray || | 1917 bool val_is_temp_register = array_type == kExternalPixelArray || |
1912 array_type == kExternalFloatArray; | 1918 array_type == kExternalFloatArray; |
1913 LOperand* val = val_is_temp_register | 1919 LOperand* val = val_is_temp_register |
1914 ? UseTempRegister(instr->value()) | 1920 ? UseTempRegister(instr->value()) |
1915 : UseRegister(instr->value()); | 1921 : UseRegister(instr->value()); |
1916 LOperand* key = UseRegister(instr->key()); | 1922 LOperand* key = UseRegister(instr->key()); |
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2130 | 2136 |
2131 | 2137 |
2132 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { | 2138 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { |
2133 HEnvironment* outer = current_block_->last_environment()->outer(); | 2139 HEnvironment* outer = current_block_->last_environment()->outer(); |
2134 current_block_->UpdateEnvironment(outer); | 2140 current_block_->UpdateEnvironment(outer); |
2135 return NULL; | 2141 return NULL; |
2136 } | 2142 } |
2137 | 2143 |
2138 | 2144 |
2139 } } // namespace v8::internal | 2145 } } // namespace v8::internal |
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