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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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| 1853 LOperand* elements = UseTempRegister(instr->elements()); | 1853 LOperand* elements = UseTempRegister(instr->elements()); |
| 1854 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); | 1854 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
| 1855 LLoadKeyedFastDoubleElement* result = | 1855 LLoadKeyedFastDoubleElement* result = |
| 1856 new LLoadKeyedFastDoubleElement(elements, key); | 1856 new LLoadKeyedFastDoubleElement(elements, key); |
| 1857 return AssignEnvironment(DefineAsRegister(result)); | 1857 return AssignEnvironment(DefineAsRegister(result)); |
| 1858 } | 1858 } |
| 1859 | 1859 |
| 1860 | 1860 |
| 1861 LInstruction* LChunkBuilder::DoLoadKeyedSpecializedArrayElement( | 1861 LInstruction* LChunkBuilder::DoLoadKeyedSpecializedArrayElement( |
| 1862 HLoadKeyedSpecializedArrayElement* instr) { | 1862 HLoadKeyedSpecializedArrayElement* instr) { |
| 1863 JSObject::ElementsKind elements_kind = instr->elements_kind(); | 1863 ElementsKind elements_kind = instr->elements_kind(); |
| 1864 Representation representation(instr->representation()); | 1864 Representation representation(instr->representation()); |
| 1865 ASSERT( | 1865 ASSERT( |
| 1866 (representation.IsInteger32() && | 1866 (representation.IsInteger32() && |
| 1867 (elements_kind != JSObject::EXTERNAL_FLOAT_ELEMENTS) && | 1867 (elements_kind != EXTERNAL_FLOAT_ELEMENTS) && |
| 1868 (elements_kind != JSObject::EXTERNAL_DOUBLE_ELEMENTS)) || | 1868 (elements_kind != EXTERNAL_DOUBLE_ELEMENTS)) || |
| 1869 (representation.IsDouble() && | 1869 (representation.IsDouble() && |
| 1870 ((elements_kind == JSObject::EXTERNAL_FLOAT_ELEMENTS) || | 1870 ((elements_kind == EXTERNAL_FLOAT_ELEMENTS) || |
| 1871 (elements_kind == JSObject::EXTERNAL_DOUBLE_ELEMENTS)))); | 1871 (elements_kind == EXTERNAL_DOUBLE_ELEMENTS)))); |
| 1872 ASSERT(instr->key()->representation().IsInteger32()); | 1872 ASSERT(instr->key()->representation().IsInteger32()); |
| 1873 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1873 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
| 1874 LOperand* key = UseRegisterOrConstant(instr->key()); | 1874 LOperand* key = UseRegisterOrConstant(instr->key()); |
| 1875 LLoadKeyedSpecializedArrayElement* result = | 1875 LLoadKeyedSpecializedArrayElement* result = |
| 1876 new LLoadKeyedSpecializedArrayElement(external_pointer, key); | 1876 new LLoadKeyedSpecializedArrayElement(external_pointer, key); |
| 1877 LInstruction* load_instr = DefineAsRegister(result); | 1877 LInstruction* load_instr = DefineAsRegister(result); |
| 1878 // An unsigned int array load might overflow and cause a deopt, make sure it | 1878 // An unsigned int array load might overflow and cause a deopt, make sure it |
| 1879 // has an environment. | 1879 // has an environment. |
| 1880 return (elements_kind == JSObject::EXTERNAL_UNSIGNED_INT_ELEMENTS) ? | 1880 return (elements_kind == EXTERNAL_UNSIGNED_INT_ELEMENTS) ? |
| 1881 AssignEnvironment(load_instr) : load_instr; | 1881 AssignEnvironment(load_instr) : load_instr; |
| 1882 } | 1882 } |
| 1883 | 1883 |
| 1884 | 1884 |
| 1885 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) { | 1885 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) { |
| 1886 LOperand* object = UseFixed(instr->object(), r1); | 1886 LOperand* object = UseFixed(instr->object(), r1); |
| 1887 LOperand* key = UseFixed(instr->key(), r0); | 1887 LOperand* key = UseFixed(instr->key(), r0); |
| 1888 | 1888 |
| 1889 LInstruction* result = | 1889 LInstruction* result = |
| 1890 DefineFixed(new LLoadKeyedGeneric(object, key), r0); | 1890 DefineFixed(new LLoadKeyedGeneric(object, key), r0); |
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| 1921 LOperand* val = UseTempRegister(instr->value()); | 1921 LOperand* val = UseTempRegister(instr->value()); |
| 1922 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); | 1922 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
| 1923 | 1923 |
| 1924 return new LStoreKeyedFastDoubleElement(elements, key, val); | 1924 return new LStoreKeyedFastDoubleElement(elements, key, val); |
| 1925 } | 1925 } |
| 1926 | 1926 |
| 1927 | 1927 |
| 1928 LInstruction* LChunkBuilder::DoStoreKeyedSpecializedArrayElement( | 1928 LInstruction* LChunkBuilder::DoStoreKeyedSpecializedArrayElement( |
| 1929 HStoreKeyedSpecializedArrayElement* instr) { | 1929 HStoreKeyedSpecializedArrayElement* instr) { |
| 1930 Representation representation(instr->value()->representation()); | 1930 Representation representation(instr->value()->representation()); |
| 1931 JSObject::ElementsKind elements_kind = instr->elements_kind(); | 1931 ElementsKind elements_kind = instr->elements_kind(); |
| 1932 ASSERT( | 1932 ASSERT( |
| 1933 (representation.IsInteger32() && | 1933 (representation.IsInteger32() && |
| 1934 (elements_kind != JSObject::EXTERNAL_FLOAT_ELEMENTS) && | 1934 (elements_kind != EXTERNAL_FLOAT_ELEMENTS) && |
| 1935 (elements_kind != JSObject::EXTERNAL_DOUBLE_ELEMENTS)) || | 1935 (elements_kind != EXTERNAL_DOUBLE_ELEMENTS)) || |
| 1936 (representation.IsDouble() && | 1936 (representation.IsDouble() && |
| 1937 ((elements_kind == JSObject::EXTERNAL_FLOAT_ELEMENTS) || | 1937 ((elements_kind == EXTERNAL_FLOAT_ELEMENTS) || |
| 1938 (elements_kind == JSObject::EXTERNAL_DOUBLE_ELEMENTS)))); | 1938 (elements_kind == EXTERNAL_DOUBLE_ELEMENTS)))); |
| 1939 ASSERT(instr->external_pointer()->representation().IsExternal()); | 1939 ASSERT(instr->external_pointer()->representation().IsExternal()); |
| 1940 ASSERT(instr->key()->representation().IsInteger32()); | 1940 ASSERT(instr->key()->representation().IsInteger32()); |
| 1941 | 1941 |
| 1942 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1942 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
| 1943 bool val_is_temp_register = | 1943 bool val_is_temp_register = |
| 1944 elements_kind == JSObject::EXTERNAL_PIXEL_ELEMENTS || | 1944 elements_kind == EXTERNAL_PIXEL_ELEMENTS || |
| 1945 elements_kind == JSObject::EXTERNAL_FLOAT_ELEMENTS; | 1945 elements_kind == EXTERNAL_FLOAT_ELEMENTS; |
| 1946 LOperand* val = val_is_temp_register | 1946 LOperand* val = val_is_temp_register |
| 1947 ? UseTempRegister(instr->value()) | 1947 ? UseTempRegister(instr->value()) |
| 1948 : UseRegister(instr->value()); | 1948 : UseRegister(instr->value()); |
| 1949 LOperand* key = UseRegisterOrConstant(instr->key()); | 1949 LOperand* key = UseRegisterOrConstant(instr->key()); |
| 1950 | 1950 |
| 1951 return new LStoreKeyedSpecializedArrayElement(external_pointer, | 1951 return new LStoreKeyedSpecializedArrayElement(external_pointer, |
| 1952 key, | 1952 key, |
| 1953 val); | 1953 val); |
| 1954 } | 1954 } |
| 1955 | 1955 |
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| 2181 | 2181 |
| 2182 LInstruction* LChunkBuilder::DoIn(HIn* instr) { | 2182 LInstruction* LChunkBuilder::DoIn(HIn* instr) { |
| 2183 LOperand* key = UseRegisterAtStart(instr->key()); | 2183 LOperand* key = UseRegisterAtStart(instr->key()); |
| 2184 LOperand* object = UseRegisterAtStart(instr->object()); | 2184 LOperand* object = UseRegisterAtStart(instr->object()); |
| 2185 LIn* result = new LIn(key, object); | 2185 LIn* result = new LIn(key, object); |
| 2186 return MarkAsCall(DefineFixed(result, r0), instr); | 2186 return MarkAsCall(DefineFixed(result, r0), instr); |
| 2187 } | 2187 } |
| 2188 | 2188 |
| 2189 | 2189 |
| 2190 } } // namespace v8::internal | 2190 } } // namespace v8::internal |
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