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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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358 static void MemCopyUint16Uint8Wrapper(uint16_t* dest, | 358 static void MemCopyUint16Uint8Wrapper(uint16_t* dest, |
359 const uint8_t* src, | 359 const uint8_t* src, |
360 size_t chars); | 360 size_t chars); |
361 // For values < 12, the assembler function is slower than the inlined C code. | 361 // For values < 12, the assembler function is slower than the inlined C code. |
362 static const int kMinComplexConvertMemCopy = 12; | 362 static const int kMinComplexConvertMemCopy = 12; |
363 static void MemCopyUint16Uint8(uint16_t* dest, | 363 static void MemCopyUint16Uint8(uint16_t* dest, |
364 const uint8_t* src, | 364 const uint8_t* src, |
365 size_t size) { | 365 size_t size) { |
366 (*memcopy_uint16_uint8_function)(dest, src, size); | 366 (*memcopy_uint16_uint8_function)(dest, src, size); |
367 } | 367 } |
| 368 #elif defined(V8_HOST_ARCH_MIPS) |
| 369 typedef void (*MemCopyUint8Function)(uint8_t* dest, |
| 370 const uint8_t* src, |
| 371 size_t size); |
| 372 static MemCopyUint8Function memcopy_uint8_function; |
| 373 static void MemCopyUint8Wrapper(uint8_t* dest, |
| 374 const uint8_t* src, |
| 375 size_t chars) { |
| 376 memcpy(dest, src, chars); |
| 377 } |
| 378 // For values < 16, the assembler function is slower than the inlined C code. |
| 379 static const int kMinComplexMemCopy = 16; |
| 380 static void MemCopy(void* dest, const void* src, size_t size) { |
| 381 (*memcopy_uint8_function)(reinterpret_cast<uint8_t*>(dest), |
| 382 reinterpret_cast<const uint8_t*>(src), |
| 383 size); |
| 384 } |
| 385 static void MemMove(void* dest, const void* src, size_t size) { |
| 386 memmove(dest, src, size); |
| 387 } |
368 #else | 388 #else |
369 // Copy memory area to disjoint memory area. | 389 // Copy memory area to disjoint memory area. |
370 static void MemCopy(void* dest, const void* src, size_t size) { | 390 static void MemCopy(void* dest, const void* src, size_t size) { |
371 memcpy(dest, src, size); | 391 memcpy(dest, src, size); |
372 } | 392 } |
373 static void MemMove(void* dest, const void* src, size_t size) { | 393 static void MemMove(void* dest, const void* src, size_t size) { |
374 memmove(dest, src, size); | 394 memmove(dest, src, size); |
375 } | 395 } |
376 static const int kMinComplexMemCopy = 16 * kPointerSize; | 396 static const int kMinComplexMemCopy = 16 * kPointerSize; |
377 #endif // V8_TARGET_ARCH_IA32 | 397 #endif // V8_TARGET_ARCH_IA32 |
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588 char name_[kMaxThreadNameLength]; | 608 char name_[kMaxThreadNameLength]; |
589 int stack_size_; | 609 int stack_size_; |
590 Semaphore* start_semaphore_; | 610 Semaphore* start_semaphore_; |
591 | 611 |
592 DISALLOW_COPY_AND_ASSIGN(Thread); | 612 DISALLOW_COPY_AND_ASSIGN(Thread); |
593 }; | 613 }; |
594 | 614 |
595 } } // namespace v8::internal | 615 } } // namespace v8::internal |
596 | 616 |
597 #endif // V8_PLATFORM_H_ | 617 #endif // V8_PLATFORM_H_ |
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