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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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| 137 // Register parameters stored by setup code. | 137 // Register parameters stored by setup code. |
| 138 static const int kDirectCall = kCalleeSavedRegisters - kPointerSize; | 138 static const int kDirectCall = kCalleeSavedRegisters - kPointerSize; |
| 139 static const int kStackBase = kDirectCall - kPointerSize; | 139 static const int kStackBase = kDirectCall - kPointerSize; |
| 140 static const int kOutputSize = kStackBase - kPointerSize; | 140 static const int kOutputSize = kStackBase - kPointerSize; |
| 141 static const int kInput = kOutputSize - kPointerSize; | 141 static const int kInput = kOutputSize - kPointerSize; |
| 142 // When adding local variables remember to push space for them in | 142 // When adding local variables remember to push space for them in |
| 143 // the frame in GetCode. | 143 // the frame in GetCode. |
| 144 static const int kSuccessCounter = kInput - kPointerSize; | 144 static const int kSuccessCounter = kInput - kPointerSize; |
| 145 // First position register address on the stack. Following positions are | 145 // First position register address on the stack. Following positions are |
| 146 // below it. A position is a 32 bit value. | 146 // below it. A position is a 32 bit value. |
| 147 static const int kFirstRegisterOnStack = kSuccessCounter - kWRegSizeInBytes; | 147 static const int kFirstRegisterOnStack = kSuccessCounter - kWRegSize; |
| 148 // A capture is a 64 bit value holding two position. | 148 // A capture is a 64 bit value holding two position. |
| 149 static const int kFirstCaptureOnStack = kSuccessCounter - kXRegSizeInBytes; | 149 static const int kFirstCaptureOnStack = kSuccessCounter - kXRegSize; |
| 150 | 150 |
| 151 // Initial size of code buffer. | 151 // Initial size of code buffer. |
| 152 static const size_t kRegExpCodeSize = 1024; | 152 static const size_t kRegExpCodeSize = 1024; |
| 153 | 153 |
| 154 // When initializing registers to a non-position value we can unroll | 154 // When initializing registers to a non-position value we can unroll |
| 155 // the loop. Set the limit of registers to unroll. | 155 // the loop. Set the limit of registers to unroll. |
| 156 static const int kNumRegistersToUnroll = 16; | 156 static const int kNumRegistersToUnroll = 16; |
| 157 | 157 |
| 158 // We are using x0 to x7 as a register cache. Each hardware register must | 158 // We are using x0 to x7 as a register cache. Each hardware register must |
| 159 // contain one capture, that is two 32 bit registers. We can cache at most | 159 // contain one capture, that is two 32 bit registers. We can cache at most |
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| 306 Label check_preempt_label_; | 306 Label check_preempt_label_; |
| 307 Label stack_overflow_label_; | 307 Label stack_overflow_label_; |
| 308 }; | 308 }; |
| 309 | 309 |
| 310 #endif // V8_INTERPRETED_REGEXP | 310 #endif // V8_INTERPRETED_REGEXP |
| 311 | 311 |
| 312 | 312 |
| 313 }} // namespace v8::internal | 313 }} // namespace v8::internal |
| 314 | 314 |
| 315 #endif // V8_A64_REGEXP_MACRO_ASSEMBLER_A64_H_ | 315 #endif // V8_A64_REGEXP_MACRO_ASSEMBLER_A64_H_ |
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