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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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106 switch (state) { | 106 switch (state) { |
107 case NO_REGISTERS: return "NO_REGISTERS"; | 107 case NO_REGISTERS: return "NO_REGISTERS"; |
108 case TOS_REG: return "TOS_REG"; | 108 case TOS_REG: return "TOS_REG"; |
109 } | 109 } |
110 UNREACHABLE(); | 110 UNREACHABLE(); |
111 return NULL; | 111 return NULL; |
112 } | 112 } |
113 | 113 |
114 Zone* zone() const { return zone_; } | 114 Zone* zone() const { return zone_; } |
115 | 115 |
116 static const int kMaxBackEdgeWeight; | 116 static const int kMaxBackEdgeWeight = 127; |
117 static const int kBackEdgeDistanceUnit; | 117 |
| 118 #if V8_TARGET_ARCH_IA32 |
| 119 static const int kBackEdgeDistanceUnit = 100; |
| 120 #elif V8_TARGET_ARCH_X64 |
| 121 static const int kBackEdgeDistanceUnit = 162; |
| 122 #elif V8_TARGET_ARCH_ARM |
| 123 static const int kBackEdgeDistanceUnit = 142; |
| 124 #elif V8_TARGET_ARCH_MIPS |
| 125 static const int kBackEdgeDistanceUnit = 142; |
| 126 #else |
| 127 #error Unsupported target architecture. |
| 128 #endif |
| 129 |
118 | 130 |
119 private: | 131 private: |
120 class Breakable; | 132 class Breakable; |
121 class Iteration; | 133 class Iteration; |
122 | 134 |
123 class TestContext; | 135 class TestContext; |
124 | 136 |
125 class NestedStatement BASE_EMBEDDED { | 137 class NestedStatement BASE_EMBEDDED { |
126 public: | 138 public: |
127 explicit NestedStatement(FullCodeGenerator* codegen) : codegen_(codegen) { | 139 explicit NestedStatement(FullCodeGenerator* codegen) : codegen_(codegen) { |
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820 } | 832 } |
821 | 833 |
822 private: | 834 private: |
823 Zone* zone_; | 835 Zone* zone_; |
824 }; | 836 }; |
825 | 837 |
826 | 838 |
827 } } // namespace v8::internal | 839 } } // namespace v8::internal |
828 | 840 |
829 #endif // V8_FULL_CODEGEN_H_ | 841 #endif // V8_FULL_CODEGEN_H_ |
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