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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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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(); | 127 const char* ToString(); |
128 bool IsAllocatable() const; | 128 bool IsAllocatable(RegisterConfiguration::CompilerSelector compiler = |
| 129 RegisterConfiguration::CRANKSHAFT) const; |
129 bool is_valid() const { return 0 <= reg_code && reg_code < kNumRegisters; } | 130 bool is_valid() const { return 0 <= reg_code && reg_code < kNumRegisters; } |
130 bool is(Register reg) const { return reg_code == reg.reg_code; } | 131 bool is(Register reg) const { return reg_code == reg.reg_code; } |
131 int code() const { | 132 int code() const { |
132 DCHECK(is_valid()); | 133 DCHECK(is_valid()); |
133 return reg_code; | 134 return reg_code; |
134 } | 135 } |
135 int bit() const { | 136 int bit() const { |
136 DCHECK(is_valid()); | 137 DCHECK(is_valid()); |
137 return 1 << reg_code; | 138 return 1 << reg_code; |
138 } | 139 } |
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158 kCode_no_reg = -1 | 159 kCode_no_reg = -1 |
159 }; | 160 }; |
160 | 161 |
161 static const int kMaxNumRegisters = Code::kAfterLast; | 162 static const int kMaxNumRegisters = Code::kAfterLast; |
162 | 163 |
163 static XMMRegister from_code(int code) { | 164 static XMMRegister from_code(int code) { |
164 XMMRegister result = {code}; | 165 XMMRegister result = {code}; |
165 return result; | 166 return result; |
166 } | 167 } |
167 | 168 |
168 bool IsAllocatable() const; | 169 bool IsAllocatable(RegisterConfiguration::CompilerSelector compiler = |
| 170 RegisterConfiguration::CRANKSHAFT) const; |
169 bool is_valid() const { return 0 <= reg_code && reg_code < kMaxNumRegisters; } | 171 bool is_valid() const { return 0 <= reg_code && reg_code < kMaxNumRegisters; } |
170 | 172 |
171 int code() const { | 173 int code() const { |
172 DCHECK(is_valid()); | 174 DCHECK(is_valid()); |
173 return reg_code; | 175 return reg_code; |
174 } | 176 } |
175 | 177 |
176 bool is(XMMRegister reg) const { return reg_code == reg.reg_code; } | 178 bool is(XMMRegister reg) const { return reg_code == reg.reg_code; } |
177 | 179 |
178 const char* ToString(); | 180 const char* ToString(); |
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1607 Assembler* assembler_; | 1609 Assembler* assembler_; |
1608 #ifdef DEBUG | 1610 #ifdef DEBUG |
1609 int space_before_; | 1611 int space_before_; |
1610 #endif | 1612 #endif |
1611 }; | 1613 }; |
1612 | 1614 |
1613 } // namespace internal | 1615 } // namespace internal |
1614 } // namespace v8 | 1616 } // namespace v8 |
1615 | 1617 |
1616 #endif // V8_IA32_ASSEMBLER_IA32_H_ | 1618 #endif // V8_IA32_ASSEMBLER_IA32_H_ |
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