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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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| 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, typename U> | 145 template <typename T, typename U> |
| 146 static inline void MemsetPointer(T** dest, U* value, int counter) { | 146 inline void MemsetPointer(T** dest, U* value, int counter) { |
| 147 #ifdef DEBUG | 147 #ifdef DEBUG |
| 148 T* a = NULL; | 148 T* a = NULL; |
| 149 U* b = NULL; | 149 U* b = NULL; |
| 150 a = b; // Fake assignment to check assignability. | 150 a = b; // Fake assignment to check assignability. |
| 151 USE(a); | 151 USE(a); |
| 152 #endif // DEBUG | 152 #endif // DEBUG |
| 153 #if defined(V8_HOST_ARCH_IA32) | 153 #if defined(V8_HOST_ARCH_IA32) |
| 154 #define STOS "stosl" | 154 #define STOS "stosl" |
| 155 #elif defined(V8_HOST_ARCH_X64) | 155 #elif defined(V8_HOST_ARCH_X64) |
| 156 #define STOS "stosq" | 156 #define STOS "stosq" |
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| 195 bool* exists, | 195 bool* exists, |
| 196 bool verbose = true); | 196 bool verbose = true); |
| 197 Vector<const char> ReadFile(FILE* file, | 197 Vector<const char> ReadFile(FILE* file, |
| 198 bool* exists, | 198 bool* exists, |
| 199 bool verbose = true); | 199 bool verbose = true); |
| 200 | 200 |
| 201 | 201 |
| 202 | 202 |
| 203 // Copy from ASCII/16bit chars to ASCII/16bit chars. | 203 // Copy from ASCII/16bit chars to ASCII/16bit chars. |
| 204 template <typename sourcechar, typename sinkchar> | 204 template <typename sourcechar, typename sinkchar> |
| 205 static inline void CopyChars(sinkchar* dest, const sourcechar* src, int chars) { | 205 inline void CopyChars(sinkchar* dest, const sourcechar* src, int chars) { |
| 206 sinkchar* limit = dest + chars; | 206 sinkchar* limit = dest + chars; |
| 207 #ifdef V8_HOST_CAN_READ_UNALIGNED | 207 #ifdef V8_HOST_CAN_READ_UNALIGNED |
| 208 if (sizeof(*dest) == sizeof(*src)) { | 208 if (sizeof(*dest) == sizeof(*src)) { |
| 209 if (chars >= static_cast<int>(OS::kMinComplexMemCopy / sizeof(*dest))) { | 209 if (chars >= static_cast<int>(OS::kMinComplexMemCopy / sizeof(*dest))) { |
| 210 OS::MemCopy(dest, src, chars * sizeof(*dest)); | 210 OS::MemCopy(dest, src, chars * sizeof(*dest)); |
| 211 return; | 211 return; |
| 212 } | 212 } |
| 213 // Number of characters in a uintptr_t. | 213 // Number of characters in a uintptr_t. |
| 214 static const int kStepSize = sizeof(uintptr_t) / sizeof(*dest); // NOLINT | 214 static const int kStepSize = sizeof(uintptr_t) / sizeof(*dest); // NOLINT |
| 215 while (dest <= limit - kStepSize) { | 215 while (dest <= limit - kStepSize) { |
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| 267 | 267 |
| 268 // Add formatted contents like printf based on a va_list. | 268 // Add formatted contents like printf based on a va_list. |
| 269 void AddFormattedList(const char* format, va_list list); | 269 void AddFormattedList(const char* format, va_list list); |
| 270 private: | 270 private: |
| 271 DISALLOW_IMPLICIT_CONSTRUCTORS(StringBuilder); | 271 DISALLOW_IMPLICIT_CONSTRUCTORS(StringBuilder); |
| 272 }; | 272 }; |
| 273 | 273 |
| 274 } } // namespace v8::internal | 274 } } // namespace v8::internal |
| 275 | 275 |
| 276 #endif // V8_V8UTILS_H_ | 276 #endif // V8_V8UTILS_H_ |
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