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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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117 }; | 117 }; |
118 | 118 |
119 static const int kNumRegisters = Code::kAfterLast; | 119 static const int kNumRegisters = Code::kAfterLast; |
120 | 120 |
121 static Register from_code(int code) { | 121 static Register from_code(int code) { |
122 DCHECK(code >= 0); | 122 DCHECK(code >= 0); |
123 DCHECK(code < kNumRegisters); | 123 DCHECK(code < kNumRegisters); |
124 Register r = {code}; | 124 Register r = {code}; |
125 return r; | 125 return r; |
126 } | 126 } |
127 const char* ToString(); | |
128 bool IsAllocatable(RegisterConfiguration::CompilerSelector compiler = | |
129 RegisterConfiguration::CRANKSHAFT) const; | |
130 bool is_valid() const { return 0 <= reg_code && reg_code < kNumRegisters; } | 127 bool is_valid() const { return 0 <= reg_code && reg_code < kNumRegisters; } |
131 bool is(Register reg) const { return reg_code == reg.reg_code; } | 128 bool is(Register reg) const { return reg_code == reg.reg_code; } |
132 int code() const { | 129 int code() const { |
133 DCHECK(is_valid()); | 130 DCHECK(is_valid()); |
134 return reg_code; | 131 return reg_code; |
135 } | 132 } |
136 int bit() const { | 133 int bit() const { |
137 DCHECK(is_valid()); | 134 DCHECK(is_valid()); |
138 return 1 << reg_code; | 135 return 1 << reg_code; |
139 } | 136 } |
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161 kCode_no_reg = -1 | 158 kCode_no_reg = -1 |
162 }; | 159 }; |
163 | 160 |
164 static const int kMaxNumRegisters = Code::kAfterLast; | 161 static const int kMaxNumRegisters = Code::kAfterLast; |
165 | 162 |
166 static XMMRegister from_code(int code) { | 163 static XMMRegister from_code(int code) { |
167 XMMRegister result = {code}; | 164 XMMRegister result = {code}; |
168 return result; | 165 return result; |
169 } | 166 } |
170 | 167 |
171 bool IsAllocatable(RegisterConfiguration::CompilerSelector compiler = | |
172 RegisterConfiguration::CRANKSHAFT) const; | |
173 bool is_valid() const { return 0 <= reg_code && reg_code < kMaxNumRegisters; } | 168 bool is_valid() const { return 0 <= reg_code && reg_code < kMaxNumRegisters; } |
174 | 169 |
175 int code() const { | 170 int code() const { |
176 DCHECK(is_valid()); | 171 DCHECK(is_valid()); |
177 return reg_code; | 172 return reg_code; |
178 } | 173 } |
179 | 174 |
180 bool is(XMMRegister reg) const { return reg_code == reg.reg_code; } | 175 bool is(XMMRegister reg) const { return reg_code == reg.reg_code; } |
181 | 176 |
182 const char* ToString(); | |
183 | |
184 int reg_code; | 177 int reg_code; |
185 }; | 178 }; |
186 | 179 |
187 typedef XMMRegister FloatRegister; | 180 typedef XMMRegister FloatRegister; |
188 | 181 |
189 typedef XMMRegister DoubleRegister; | 182 typedef XMMRegister DoubleRegister; |
190 | 183 |
191 typedef XMMRegister Simd128Register; | 184 typedef XMMRegister Simd128Register; |
192 | 185 |
193 #define DECLARE_REGISTER(R) \ | 186 #define DECLARE_REGISTER(R) \ |
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1611 Assembler* assembler_; | 1604 Assembler* assembler_; |
1612 #ifdef DEBUG | 1605 #ifdef DEBUG |
1613 int space_before_; | 1606 int space_before_; |
1614 #endif | 1607 #endif |
1615 }; | 1608 }; |
1616 | 1609 |
1617 } // namespace internal | 1610 } // namespace internal |
1618 } // namespace v8 | 1611 } // namespace v8 |
1619 | 1612 |
1620 #endif // V8_IA32_ASSEMBLER_IA32_H_ | 1613 #endif // V8_IA32_ASSEMBLER_IA32_H_ |
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