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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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116 case TOS_REG: return "TOS_REG"; | 116 case TOS_REG: return "TOS_REG"; |
117 } | 117 } |
118 UNREACHABLE(); | 118 UNREACHABLE(); |
119 return NULL; | 119 return NULL; |
120 } | 120 } |
121 | 121 |
122 Zone* zone() const { return zone_; } | 122 Zone* zone() const { return zone_; } |
123 | 123 |
124 static const int kMaxBackEdgeWeight = 127; | 124 static const int kMaxBackEdgeWeight = 127; |
125 | 125 |
126 // Platform-specific code size multiplier. | |
127 #if V8_TARGET_ARCH_IA32 | 126 #if V8_TARGET_ARCH_IA32 |
128 static const int kCodeSizeMultiplier = 100; | 127 static const int kBackEdgeDistanceUnit = 100; |
129 #elif V8_TARGET_ARCH_X64 | 128 #elif V8_TARGET_ARCH_X64 |
130 static const int kCodeSizeMultiplier = 162; | 129 static const int kBackEdgeDistanceUnit = 162; |
131 #elif V8_TARGET_ARCH_ARM | 130 #elif V8_TARGET_ARCH_ARM |
132 static const int kCodeSizeMultiplier = 142; | 131 static const int kBackEdgeDistanceUnit = 142; |
133 #elif V8_TARGET_ARCH_MIPS | 132 #elif V8_TARGET_ARCH_MIPS |
134 static const int kCodeSizeMultiplier = 142; | 133 static const int kBackEdgeDistanceUnit = 142; |
135 #else | 134 #else |
136 #error Unsupported target architecture. | 135 #error Unsupported target architecture. |
137 #endif | 136 #endif |
138 | 137 |
139 static const int kBackEdgeEntrySize = 2 * kIntSize + kOneByteSize; | 138 static const int kBackEdgeEntrySize = 2 * kIntSize + kOneByteSize; |
140 | 139 |
141 private: | 140 private: |
142 class Breakable; | 141 class Breakable; |
143 class Iteration; | 142 class Iteration; |
144 | 143 |
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878 } | 877 } |
879 | 878 |
880 private: | 879 private: |
881 Zone* zone_; | 880 Zone* zone_; |
882 }; | 881 }; |
883 | 882 |
884 | 883 |
885 } } // namespace v8::internal | 884 } } // namespace v8::internal |
886 | 885 |
887 #endif // V8_FULL_CODEGEN_H_ | 886 #endif // V8_FULL_CODEGEN_H_ |
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