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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_ARM64_REGEXP_MACRO_ASSEMBLER_ARM64_H_ | 5 #ifndef V8_ARM64_REGEXP_MACRO_ASSEMBLER_ARM64_H_ |
6 #define V8_ARM64_REGEXP_MACRO_ASSEMBLER_ARM64_H_ | 6 #define V8_ARM64_REGEXP_MACRO_ASSEMBLER_ARM64_H_ |
7 | 7 |
8 #include "src/macro-assembler.h" | 8 #include "src/macro-assembler.h" |
9 | 9 |
10 #include "src/arm64/assembler-arm64.h" | 10 #include "src/arm64/assembler-arm64.h" |
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224 inline void Pop(Register target); | 224 inline void Pop(Register target); |
225 | 225 |
226 // This state indicates where the register actually is. | 226 // This state indicates where the register actually is. |
227 enum RegisterState { | 227 enum RegisterState { |
228 STACKED, // Resides in memory. | 228 STACKED, // Resides in memory. |
229 CACHED_LSW, // Least Significant Word of a 64 bit hardware register. | 229 CACHED_LSW, // Least Significant Word of a 64 bit hardware register. |
230 CACHED_MSW // Most Significant Word of a 64 bit hardware register. | 230 CACHED_MSW // Most Significant Word of a 64 bit hardware register. |
231 }; | 231 }; |
232 | 232 |
233 RegisterState GetRegisterState(int register_index) { | 233 RegisterState GetRegisterState(int register_index) { |
234 ASSERT(register_index >= 0); | 234 DCHECK(register_index >= 0); |
235 if (register_index >= kNumCachedRegisters) { | 235 if (register_index >= kNumCachedRegisters) { |
236 return STACKED; | 236 return STACKED; |
237 } else { | 237 } else { |
238 if ((register_index % 2) == 0) { | 238 if ((register_index % 2) == 0) { |
239 return CACHED_LSW; | 239 return CACHED_LSW; |
240 } else { | 240 } else { |
241 return CACHED_MSW; | 241 return CACHED_MSW; |
242 } | 242 } |
243 } | 243 } |
244 } | 244 } |
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284 Label check_preempt_label_; | 284 Label check_preempt_label_; |
285 Label stack_overflow_label_; | 285 Label stack_overflow_label_; |
286 }; | 286 }; |
287 | 287 |
288 #endif // V8_INTERPRETED_REGEXP | 288 #endif // V8_INTERPRETED_REGEXP |
289 | 289 |
290 | 290 |
291 }} // namespace v8::internal | 291 }} // namespace v8::internal |
292 | 292 |
293 #endif // V8_ARM64_REGEXP_MACRO_ASSEMBLER_ARM64_H_ | 293 #endif // V8_ARM64_REGEXP_MACRO_ASSEMBLER_ARM64_H_ |
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