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Issue 148503002: A64: Synchronize with r15545. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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73 virtual bool SometimesSetsUpAFrame() { return false; } 73 virtual bool SometimesSetsUpAFrame() { return false; }
74 74
75 private: 75 private:
76 SaveFPRegsMode save_doubles_; 76 SaveFPRegsMode save_doubles_;
77 77
78 Major MajorKey() { return StoreBufferOverflow; } 78 Major MajorKey() { return StoreBufferOverflow; }
79 int MinorKey() { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; } 79 int MinorKey() { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
80 }; 80 };
81 81
82 82
83 class UnaryOpStub: public PlatformCodeStub {
84 public:
85 UnaryOpStub(Token::Value op,
86 UnaryOverwriteMode mode,
87 UnaryOpIC::TypeInfo operand_type = UnaryOpIC::UNINITIALIZED)
88 : op_(op),
89 mode_(mode),
90 operand_type_(operand_type) {
91 }
92
93 private:
94 Token::Value op_;
95 UnaryOverwriteMode mode_;
96
97 // Operand type information determined at runtime.
98 UnaryOpIC::TypeInfo operand_type_;
99
100 virtual void PrintName(StringStream* stream);
101
102 class ModeBits: public BitField<UnaryOverwriteMode, 0, 1> {};
103 class OpBits: public BitField<Token::Value, 1, 7> {};
104 class OperandTypeInfoBits: public BitField<UnaryOpIC::TypeInfo, 8, 3> {};
105
106 Major MajorKey() { return UnaryOp; }
107 int MinorKey() {
108 return ModeBits::encode(mode_)
109 | OpBits::encode(op_)
110 | OperandTypeInfoBits::encode(operand_type_);
111 }
112
113 void Generate(MacroAssembler* masm);
114
115 void GenerateTypeTransition(MacroAssembler* masm);
116
117 void GenerateSmiStub(MacroAssembler* masm);
118 void GenerateSmiStubSub(MacroAssembler* masm);
119 void GenerateSmiStubBitNot(MacroAssembler* masm);
120 void GenerateSmiCodeSub(MacroAssembler* masm, Label* non_smi, Label* slow);
121 void GenerateSmiCodeBitNot(MacroAssembler* masm, Label* slow);
122
123 void GenerateNumberStub(MacroAssembler* masm);
124 void GenerateNumberStubSub(MacroAssembler* masm);
125 void GenerateNumberStubBitNot(MacroAssembler* masm);
126 void GenerateHeapNumberCodeSub(MacroAssembler* masm, Label* slow);
127 void GenerateHeapNumberCodeBitNot(MacroAssembler* masm, Label* slow);
128
129 void GenerateGenericStub(MacroAssembler* masm);
130
131 virtual Code::Kind GetCodeKind() const { return Code::UNARY_OP_IC; }
132
133 virtual InlineCacheState GetICState() {
134 return UnaryOpIC::ToState(operand_type_);
135 }
136
137 virtual void FinishCode(Handle<Code> code) {
138 code->set_unary_op_type(operand_type_);
139 }
140 };
141
142
143 class StringHelper : public AllStatic { 83 class StringHelper : public AllStatic {
144 public: 84 public:
145 // Probe the string table for a two character string. If the string is 85 // Probe the string table for a two character string. If the string is
146 // not found by probing a jump to the label not_found is performed. This jump 86 // not found by probing a jump to the label not_found is performed. This jump
147 // does not guarantee that the string is not in the string table. If the 87 // does not guarantee that the string is not in the string table. If the
148 // string is found the code falls through with the string in register x0. 88 // string is found the code falls through with the string in register x0.
149 // Contents of both c1 and c2 registers are modified. At the exit c1 is 89 // Contents of both c1 and c2 registers are modified. At the exit c1 is
150 // guaranteed to contain halfword with low and high bytes equal to 90 // guaranteed to contain halfword with low and high bytes equal to
151 // initial contents of c1 and c2 respectively. 91 // initial contents of c1 and c2 respectively.
152 static void GenerateTwoCharacterStringTableProbe(MacroAssembler* masm, 92 static void GenerateTwoCharacterStringTableProbe(MacroAssembler* masm,
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633 Register length, 573 Register length,
634 Register scratch1, 574 Register scratch1,
635 Register scratch2, 575 Register scratch2,
636 Label* chars_not_equal); 576 Label* chars_not_equal);
637 }; 577 };
638 578
639 579
640 } } // namespace v8::internal 580 } } // namespace v8::internal
641 581
642 #endif // V8_A64_CODE_STUBS_A64_H_ 582 #endif // V8_A64_CODE_STUBS_A64_H_
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