diff options
Diffstat (limited to 'include/asm-x86_64/string.h')
| -rw-r--r-- | include/asm-x86_64/string.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/include/asm-x86_64/string.h b/include/asm-x86_64/string.h deleted file mode 100644 index a3493ee282b..00000000000 --- a/include/asm-x86_64/string.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef _X86_64_STRING_H_ -#define _X86_64_STRING_H_ - -#ifdef __KERNEL__ - -/* Written 2002 by Andi Kleen */ - -/* Only used for special circumstances. Stolen from i386/string.h */ -static inline void * __inline_memcpy(void * to, const void * from, size_t n) -{ -unsigned long d0, d1, d2; -__asm__ __volatile__( - "rep ; movsl\n\t" - "testb $2,%b4\n\t" - "je 1f\n\t" - "movsw\n" - "1:\ttestb $1,%b4\n\t" - "je 2f\n\t" - "movsb\n" - "2:" - : "=&c" (d0), "=&D" (d1), "=&S" (d2) - :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from) - : "memory"); -return (to); -} - -/* Even with __builtin_ the compiler may decide to use the out of line - function. */ - -#define __HAVE_ARCH_MEMCPY 1 -extern void *__memcpy(void *to, const void *from, size_t len); -#define memcpy(dst,src,len) \ - ({ size_t __len = (len); \ - void *__ret; \ - if (__builtin_constant_p(len) && __len >= 64) \ - __ret = __memcpy((dst),(src),__len); \ - else \ - __ret = __builtin_memcpy((dst),(src),__len); \ - __ret; }) - - -#define __HAVE_ARCH_MEMSET -#define memset __builtin_memset - -#define __HAVE_ARCH_MEMMOVE -void * memmove(void * dest,const void *src,size_t count); - -/* Use C out of line version for memcmp */ -#define memcmp __builtin_memcmp -int memcmp(const void * cs,const void * ct,size_t count); - -/* out of line string functions use always C versions */ -#define strlen __builtin_strlen -size_t strlen(const char * s); - -#define strcpy __builtin_strcpy -char * strcpy(char * dest,const char *src); - -#define strcat __builtin_strcat -char * strcat(char * dest, const char * src); - -#define strcmp __builtin_strcmp -int strcmp(const char * cs,const char * ct); - -#endif /* __KERNEL__ */ - -#endif |
