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Side by Side Diff: src/mips/lithium-mips.h

Issue 23694014: MIPS: Support for DoubleToIStub (truncating). (Closed) Base URL: https://github.com/v8/v8.git@gbl
Patch Set: Created 7 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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2034 2034
2035 LOperand* value() { return inputs_[0]; } 2035 LOperand* value() { return inputs_[0]; }
2036 LOperand* temp() { return temps_[0]; } 2036 LOperand* temp() { return temps_[0]; }
2037 LOperand* temp2() { return temps_[1]; } 2037 LOperand* temp2() { return temps_[1]; }
2038 2038
2039 DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d") 2039 DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
2040 DECLARE_HYDROGEN_ACCESSOR(Change) 2040 DECLARE_HYDROGEN_ACCESSOR(Change)
2041 }; 2041 };
2042 2042
2043 2043
2044 class LDoubleToSmi V8_FINAL : public LTemplateInstruction<1, 1, 2> { 2044 class LDoubleToSmi V8_FINAL : public LTemplateInstruction<1, 1, 0> {
2045 public: 2045 public:
2046 LDoubleToSmi(LOperand* value, LOperand* temp, LOperand* temp2) { 2046 explicit LDoubleToSmi(LOperand* value) {
2047 inputs_[0] = value; 2047 inputs_[0] = value;
2048 temps_[0] = temp;
2049 temps_[1] = temp2;
2050 } 2048 }
2051 2049
2052 LOperand* value() { return inputs_[0]; } 2050 LOperand* value() { return inputs_[0]; }
2053 LOperand* temp() { return temps_[0]; }
2054 LOperand* temp2() { return temps_[1]; }
2055 2051
2056 DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi") 2052 DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi")
2057 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation) 2053 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2058 2054
2059 bool truncating() { return hydrogen()->CanTruncateToInt32(); } 2055 bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2060 }; 2056 };
2061 2057
2062 2058
2063 // Sometimes truncating conversion from a tagged value to an int32. 2059 // Sometimes truncating conversion from a tagged value to an int32.
2064 class LDoubleToI V8_FINAL : public LTemplateInstruction<1, 1, 2> { 2060 class LDoubleToI V8_FINAL : public LTemplateInstruction<1, 1, 0> {
2065 public: 2061 public:
2066 LDoubleToI(LOperand* value, LOperand* temp, LOperand* temp2) { 2062 explicit LDoubleToI(LOperand* value) {
2067 inputs_[0] = value; 2063 inputs_[0] = value;
2068 temps_[0] = temp;
2069 temps_[1] = temp2;
2070 } 2064 }
2071 2065
2072 LOperand* value() { return inputs_[0]; } 2066 LOperand* value() { return inputs_[0]; }
2073 LOperand* temp() { return temps_[0]; }
2074 LOperand* temp2() { return temps_[1]; }
2075 2067
2076 DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i") 2068 DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
2077 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation) 2069 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2078 2070
2079 bool truncating() { return hydrogen()->CanTruncateToInt32(); } 2071 bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2080 }; 2072 };
2081 2073
2082 2074
2083 // Truncating conversion from a tagged value to an int32. 2075 // Truncating conversion from a tagged value to an int32.
2084 class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 3> { 2076 class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
2085 public: 2077 public:
2086 LTaggedToI(LOperand* value, 2078 LTaggedToI(LOperand* value,
2087 LOperand* temp, 2079 LOperand* temp,
2088 LOperand* temp2, 2080 LOperand* temp2) {
2089 LOperand* temp3) {
2090 inputs_[0] = value; 2081 inputs_[0] = value;
2091 temps_[0] = temp; 2082 temps_[0] = temp;
2092 temps_[1] = temp2; 2083 temps_[1] = temp2;
2093 temps_[2] = temp3;
2094 } 2084 }
2095 2085
2096 LOperand* value() { return inputs_[0]; } 2086 LOperand* value() { return inputs_[0]; }
2097 LOperand* temp() { return temps_[0]; } 2087 LOperand* temp() { return temps_[0]; }
2098 LOperand* temp2() { return temps_[1]; } 2088 LOperand* temp2() { return temps_[1]; }
2099 LOperand* temp3() { return temps_[2]; }
2100 2089
2101 DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i") 2090 DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
2102 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation) 2091 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2103 2092
2104 bool truncating() { return hydrogen()->CanTruncateToInt32(); } 2093 bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2105 }; 2094 };
2106 2095
2107 2096
2108 class LSmiTag V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2097 class LSmiTag V8_FINAL : public LTemplateInstruction<1, 1, 0> {
2109 public: 2098 public:
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2771 2760
2772 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); 2761 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
2773 }; 2762 };
2774 2763
2775 #undef DECLARE_HYDROGEN_ACCESSOR 2764 #undef DECLARE_HYDROGEN_ACCESSOR
2776 #undef DECLARE_CONCRETE_INSTRUCTION 2765 #undef DECLARE_CONCRETE_INSTRUCTION
2777 2766
2778 } } // namespace v8::internal 2767 } } // namespace v8::internal
2779 2768
2780 #endif // V8_MIPS_LITHIUM_MIPS_H_ 2769 #endif // V8_MIPS_LITHIUM_MIPS_H_
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