OLD | NEW |
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 |
(...skipping 1877 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1888 HLoadKeyedSpecializedArrayElement* instr) { | 1888 HLoadKeyedSpecializedArrayElement* instr) { |
1889 ExternalArrayType array_type = instr->array_type(); | 1889 ExternalArrayType array_type = instr->array_type(); |
1890 Representation representation(instr->representation()); | 1890 Representation representation(instr->representation()); |
1891 ASSERT( | 1891 ASSERT( |
1892 (representation.IsInteger32() && (array_type != kExternalFloatArray && | 1892 (representation.IsInteger32() && (array_type != kExternalFloatArray && |
1893 array_type != kExternalDoubleArray)) || | 1893 array_type != kExternalDoubleArray)) || |
1894 (representation.IsDouble() && (array_type == kExternalFloatArray || | 1894 (representation.IsDouble() && (array_type == kExternalFloatArray || |
1895 array_type == kExternalDoubleArray))); | 1895 array_type == kExternalDoubleArray))); |
1896 ASSERT(instr->key()->representation().IsInteger32()); | 1896 ASSERT(instr->key()->representation().IsInteger32()); |
1897 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1897 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1898 LOperand* key = UseRegister(instr->key()); | 1898 LOperand* key = UseRegisterOrConstant(instr->key()); |
1899 LLoadKeyedSpecializedArrayElement* result = | 1899 LLoadKeyedSpecializedArrayElement* result = |
1900 new LLoadKeyedSpecializedArrayElement(external_pointer, | 1900 new LLoadKeyedSpecializedArrayElement(external_pointer, |
1901 key); | 1901 key); |
1902 LInstruction* load_instr = DefineAsRegister(result); | 1902 LInstruction* load_instr = DefineAsRegister(result); |
1903 // An unsigned int array load might overflow and cause a deopt, make sure it | 1903 // An unsigned int array load might overflow and cause a deopt, make sure it |
1904 // has an environment. | 1904 // has an environment. |
1905 return (array_type == kExternalUnsignedIntArray) | 1905 return (array_type == kExternalUnsignedIntArray) |
1906 ? AssignEnvironment(load_instr) | 1906 ? AssignEnvironment(load_instr) |
1907 : load_instr; | 1907 : load_instr; |
1908 } | 1908 } |
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1943 ExternalArrayType array_type = instr->array_type(); | 1943 ExternalArrayType array_type = instr->array_type(); |
1944 ASSERT( | 1944 ASSERT( |
1945 (representation.IsInteger32() && (array_type != kExternalFloatArray && | 1945 (representation.IsInteger32() && (array_type != kExternalFloatArray && |
1946 array_type != kExternalDoubleArray)) || | 1946 array_type != kExternalDoubleArray)) || |
1947 (representation.IsDouble() && (array_type == kExternalFloatArray || | 1947 (representation.IsDouble() && (array_type == kExternalFloatArray || |
1948 array_type == kExternalDoubleArray))); | 1948 array_type == kExternalDoubleArray))); |
1949 ASSERT(instr->external_pointer()->representation().IsExternal()); | 1949 ASSERT(instr->external_pointer()->representation().IsExternal()); |
1950 ASSERT(instr->key()->representation().IsInteger32()); | 1950 ASSERT(instr->key()->representation().IsInteger32()); |
1951 | 1951 |
1952 LOperand* external_pointer = UseRegister(instr->external_pointer()); | 1952 LOperand* external_pointer = UseRegister(instr->external_pointer()); |
1953 LOperand* key = UseRegister(instr->key()); | 1953 LOperand* key = UseRegisterOrConstant(instr->key()); |
1954 LOperand* temp = NULL; | 1954 LOperand* temp = NULL; |
1955 | 1955 |
1956 if (array_type == kExternalPixelArray) { | 1956 if (array_type == kExternalPixelArray) { |
1957 // The generated code for pixel array stores requires that the clamped value | 1957 // The generated code for pixel array stores requires that the clamped value |
1958 // is in a byte register. eax is an arbitrary choice to satisfy this | 1958 // is in a byte register. eax is an arbitrary choice to satisfy this |
1959 // requirement. | 1959 // requirement. |
1960 temp = FixedTemp(eax); | 1960 temp = FixedTemp(eax); |
1961 } | 1961 } |
1962 | 1962 |
1963 LOperand* val = NULL; | 1963 LOperand* val = NULL; |
(...skipping 245 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2209 LOperand* key = UseOrConstantAtStart(instr->key()); | 2209 LOperand* key = UseOrConstantAtStart(instr->key()); |
2210 LOperand* object = UseOrConstantAtStart(instr->object()); | 2210 LOperand* object = UseOrConstantAtStart(instr->object()); |
2211 LIn* result = new LIn(key, object); | 2211 LIn* result = new LIn(key, object); |
2212 return MarkAsCall(DefineFixed(result, eax), instr); | 2212 return MarkAsCall(DefineFixed(result, eax), instr); |
2213 } | 2213 } |
2214 | 2214 |
2215 | 2215 |
2216 } } // namespace v8::internal | 2216 } } // namespace v8::internal |
2217 | 2217 |
2218 #endif // V8_TARGET_ARCH_IA32 | 2218 #endif // V8_TARGET_ARCH_IA32 |
OLD | NEW |