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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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135 } else { | 135 } else { |
136 int remaining = num_words; | 136 int remaining = num_words; |
137 do { | 137 do { |
138 remaining--; | 138 remaining--; |
139 *dst++ = *src++; | 139 *dst++ = *src++; |
140 } while (remaining > 0); | 140 } while (remaining > 0); |
141 } | 141 } |
142 } | 142 } |
143 | 143 |
144 | 144 |
145 template <typename T> | 145 template <typename T, typename U> |
146 static inline void MemsetPointer(T** dest, T* value, int counter) { | 146 static inline void MemsetPointer(T** dest, U* value, int counter) { |
Vyacheslav Egorov (Chromium)
2011/10/04 11:00:51
well. this one is spooky.
at least at assignabil
fschneider
2011/10/04 11:28:16
Done.
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147 #if defined(V8_HOST_ARCH_IA32) | 147 #if defined(V8_HOST_ARCH_IA32) |
148 #define STOS "stosl" | 148 #define STOS "stosl" |
149 #elif defined(V8_HOST_ARCH_X64) | 149 #elif defined(V8_HOST_ARCH_X64) |
150 #define STOS "stosq" | 150 #define STOS "stosq" |
151 #endif | 151 #endif |
152 | 152 |
153 #if defined(__GNUC__) && defined(STOS) | 153 #if defined(__GNUC__) && defined(STOS) |
154 asm volatile( | 154 asm volatile( |
155 "cld;" | 155 "cld;" |
156 "rep ; " STOS | 156 "rep ; " STOS |
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261 | 261 |
262 // Add formatted contents like printf based on a va_list. | 262 // Add formatted contents like printf based on a va_list. |
263 void AddFormattedList(const char* format, va_list list); | 263 void AddFormattedList(const char* format, va_list list); |
264 private: | 264 private: |
265 DISALLOW_IMPLICIT_CONSTRUCTORS(StringBuilder); | 265 DISALLOW_IMPLICIT_CONSTRUCTORS(StringBuilder); |
266 }; | 266 }; |
267 | 267 |
268 } } // namespace v8::internal | 268 } } // namespace v8::internal |
269 | 269 |
270 #endif // V8_V8UTILS_H_ | 270 #endif // V8_V8UTILS_H_ |
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