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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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| 31 // The original source code covered by the above license above has been | 31 // The original source code covered by the above license above has been |
| 32 // modified significantly by Google Inc. | 32 // modified significantly by Google Inc. |
| 33 // Copyright 2012 the V8 project authors. All rights reserved. | 33 // Copyright 2012 the V8 project authors. All rights reserved. |
| 34 | 34 |
| 35 #ifndef V8_ASSEMBLER_H_ | 35 #ifndef V8_ASSEMBLER_H_ |
| 36 #define V8_ASSEMBLER_H_ | 36 #define V8_ASSEMBLER_H_ |
| 37 | 37 |
| 38 #include "src/allocation.h" | 38 #include "src/allocation.h" |
| 39 #include "src/builtins.h" | 39 #include "src/builtins.h" |
| 40 #include "src/isolate.h" | 40 #include "src/isolate.h" |
| 41 #include "src/parsing/token.h" | |
| 42 #include "src/runtime/runtime.h" | 41 #include "src/runtime/runtime.h" |
| 43 | 42 |
| 44 namespace v8 { | 43 namespace v8 { |
| 45 | 44 |
| 46 // Forward declarations. | 45 // Forward declarations. |
| 47 class ApiFunction; | 46 class ApiFunction; |
| 48 | 47 |
| 49 namespace internal { | 48 namespace internal { |
| 50 | 49 |
| 51 // Forward declarations. | 50 // Forward declarations. |
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| 1112 // Utility functions | 1111 // Utility functions |
| 1113 | 1112 |
| 1114 inline int NumberOfBitsSet(uint32_t x) { | 1113 inline int NumberOfBitsSet(uint32_t x) { |
| 1115 unsigned int num_bits_set; | 1114 unsigned int num_bits_set; |
| 1116 for (num_bits_set = 0; x; x >>= 1) { | 1115 for (num_bits_set = 0; x; x >>= 1) { |
| 1117 num_bits_set += x & 1; | 1116 num_bits_set += x & 1; |
| 1118 } | 1117 } |
| 1119 return num_bits_set; | 1118 return num_bits_set; |
| 1120 } | 1119 } |
| 1121 | 1120 |
| 1122 bool EvalComparison(Token::Value op, double op1, double op2); | |
| 1123 | |
| 1124 // Computes pow(x, y) with the special cases in the spec for Math.pow. | 1121 // Computes pow(x, y) with the special cases in the spec for Math.pow. |
| 1125 double power_helper(Isolate* isolate, double x, double y); | 1122 double power_helper(Isolate* isolate, double x, double y); |
| 1126 double power_double_int(double x, int y); | 1123 double power_double_int(double x, int y); |
| 1127 double power_double_double(double x, double y); | 1124 double power_double_double(double x, double y); |
| 1128 | 1125 |
| 1129 // Helper class for generating code or data associated with the code | 1126 // Helper class for generating code or data associated with the code |
| 1130 // right after a call instruction. As an example this can be used to | 1127 // right after a call instruction. As an example this can be used to |
| 1131 // generate safepoint data after calls for crankshaft. | 1128 // generate safepoint data after calls for crankshaft. |
| 1132 class CallWrapper { | 1129 class CallWrapper { |
| 1133 public: | 1130 public: |
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| 1277 std::vector<ConstantPoolEntry> shared_entries; | 1274 std::vector<ConstantPoolEntry> shared_entries; |
| 1278 }; | 1275 }; |
| 1279 | 1276 |
| 1280 Label emitted_label_; // Records pc_offset of emitted pool | 1277 Label emitted_label_; // Records pc_offset of emitted pool |
| 1281 PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES]; | 1278 PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES]; |
| 1282 }; | 1279 }; |
| 1283 | 1280 |
| 1284 } // namespace internal | 1281 } // namespace internal |
| 1285 } // namespace v8 | 1282 } // namespace v8 |
| 1286 #endif // V8_ASSEMBLER_H_ | 1283 #endif // V8_ASSEMBLER_H_ |
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