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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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250 | 250 |
251 | 251 |
252 template <typename T, typename U> | 252 template <typename T, typename U> |
253 inline void MemsetPointer(T** dest, U* value, int counter) { | 253 inline void MemsetPointer(T** dest, U* value, int counter) { |
254 #ifdef DEBUG | 254 #ifdef DEBUG |
255 T* a = NULL; | 255 T* a = NULL; |
256 U* b = NULL; | 256 U* b = NULL; |
257 a = b; // Fake assignment to check assignability. | 257 a = b; // Fake assignment to check assignability. |
258 USE(a); | 258 USE(a); |
259 #endif // DEBUG | 259 #endif // DEBUG |
260 #if defined(V8_HOST_ARCH_IA32) | 260 #if V8_HOST_ARCH_IA32 |
261 #define STOS "stosl" | 261 #define STOS "stosl" |
262 #elif defined(V8_HOST_ARCH_X64) | 262 #elif V8_HOST_ARCH_X64 |
263 #define STOS "stosq" | 263 #define STOS "stosq" |
264 #endif | 264 #endif |
265 #if defined(__native_client__) | 265 #if defined(__native_client__) |
266 // This STOS sequence does not validate for x86_64 Native Client. | 266 // This STOS sequence does not validate for x86_64 Native Client. |
267 // Here we #undef STOS to force use of the slower C version. | 267 // Here we #undef STOS to force use of the slower C version. |
268 // TODO(bradchen): Profile V8 and implement a faster REP STOS | 268 // TODO(bradchen): Profile V8 and implement a faster REP STOS |
269 // here if the profile indicates it matters. | 269 // here if the profile indicates it matters. |
270 #undef STOS | 270 #undef STOS |
271 #endif | 271 #endif |
272 | 272 |
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385 | 385 |
386 // Add formatted contents like printf based on a va_list. | 386 // Add formatted contents like printf based on a va_list. |
387 void AddFormattedList(const char* format, va_list list); | 387 void AddFormattedList(const char* format, va_list list); |
388 private: | 388 private: |
389 DISALLOW_IMPLICIT_CONSTRUCTORS(StringBuilder); | 389 DISALLOW_IMPLICIT_CONSTRUCTORS(StringBuilder); |
390 }; | 390 }; |
391 | 391 |
392 } } // namespace v8::internal | 392 } } // namespace v8::internal |
393 | 393 |
394 #endif // V8_V8UTILS_H_ | 394 #endif // V8_V8UTILS_H_ |
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