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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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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( | 1847 ASSERT( |
1848 (representation.IsInteger32() && (array_type != kExternalFloatArray && | 1848 (representation.IsInteger32() && (array_type != kExternalFloatArray && |
1849 array_type != kExternalDoubleArray)) || | 1849 array_type != kExternalDoubleArray)) || |
1850 (representation.IsDouble() && (array_type == kExternalFloatArray || | 1850 (representation.IsDouble() && (array_type == kExternalFloatArray || |
1851 array_type == kExternalDoubleArray))); | 1851 array_type == kExternalDoubleArray))); |
1852 ASSERT(instr->key()->representation().IsInteger32()); | 1852 ASSERT(instr->key()->representation().IsInteger32()); |
1853 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1853 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1854 LOperand* key = UseRegister(instr->key()); | 1854 LOperand* key = UseRegisterOrConstant(instr->key()); |
1855 LLoadKeyedSpecializedArrayElement* result = | 1855 LLoadKeyedSpecializedArrayElement* result = |
1856 new LLoadKeyedSpecializedArrayElement(external_pointer, key); | 1856 new LLoadKeyedSpecializedArrayElement(external_pointer, key); |
1857 LInstruction* load_instr = DefineAsRegister(result); | 1857 LInstruction* load_instr = DefineAsRegister(result); |
1858 // 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 |
1859 // has an environment. | 1859 // has an environment. |
1860 return (array_type == kExternalUnsignedIntArray) ? | 1860 return (array_type == kExternalUnsignedIntArray) ? |
1861 AssignEnvironment(load_instr) : load_instr; | 1861 AssignEnvironment(load_instr) : load_instr; |
1862 } | 1862 } |
1863 | 1863 |
1864 | 1864 |
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1901 array_type == kExternalDoubleArray))); | 1901 array_type == kExternalDoubleArray))); |
1902 ASSERT(instr->external_pointer()->representation().IsExternal()); | 1902 ASSERT(instr->external_pointer()->representation().IsExternal()); |
1903 ASSERT(instr->key()->representation().IsInteger32()); | 1903 ASSERT(instr->key()->representation().IsInteger32()); |
1904 | 1904 |
1905 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1905 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1906 bool val_is_temp_register = array_type == kExternalPixelArray || | 1906 bool val_is_temp_register = array_type == kExternalPixelArray || |
1907 array_type == kExternalFloatArray; | 1907 array_type == kExternalFloatArray; |
1908 LOperand* val = val_is_temp_register | 1908 LOperand* val = val_is_temp_register |
1909 ? UseTempRegister(instr->value()) | 1909 ? UseTempRegister(instr->value()) |
1910 : UseRegister(instr->value()); | 1910 : UseRegister(instr->value()); |
1911 LOperand* key = UseRegister(instr->key()); | 1911 LOperand* key = UseRegisterOrConstant(instr->key()); |
1912 | 1912 |
1913 return new LStoreKeyedSpecializedArrayElement(external_pointer, | 1913 return new LStoreKeyedSpecializedArrayElement(external_pointer, |
1914 key, | 1914 key, |
1915 val); | 1915 val); |
1916 } | 1916 } |
1917 | 1917 |
1918 | 1918 |
1919 LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { | 1919 LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { |
1920 LOperand* object = UseFixed(instr->object(), rdx); | 1920 LOperand* object = UseFixed(instr->object(), rdx); |
1921 LOperand* key = UseFixed(instr->key(), rcx); | 1921 LOperand* key = UseFixed(instr->key(), rcx); |
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2141 LOperand* key = UseOrConstantAtStart(instr->key()); | 2141 LOperand* key = UseOrConstantAtStart(instr->key()); |
2142 LOperand* object = UseOrConstantAtStart(instr->object()); | 2142 LOperand* object = UseOrConstantAtStart(instr->object()); |
2143 LIn* result = new LIn(key, object); | 2143 LIn* result = new LIn(key, object); |
2144 return MarkAsCall(DefineFixed(result, rax), instr); | 2144 return MarkAsCall(DefineFixed(result, rax), instr); |
2145 } | 2145 } |
2146 | 2146 |
2147 | 2147 |
2148 } } // namespace v8::internal | 2148 } } // namespace v8::internal |
2149 | 2149 |
2150 #endif // V8_TARGET_ARCH_X64 | 2150 #endif // V8_TARGET_ARCH_X64 |
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