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include/asm-x86/string_64.h: checkpatch cleanups - formatting only

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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joe Perches
2008-03-23 01:03:34 -07:00
committed by Ingo Molnar
parent 06b0f574ea
commit 953b2f1ed6
1 changed files with 33 additions and 33 deletions
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14
include/asm-x86/string_64.h
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@@ -6,12 +6,10 @@
/* Written 2002 by Andi Kleen */ /* Written 2002 by Andi Kleen */
/* Only used for special circumstances. Stolen from i386/string.h */ /* Only used for special circumstances. Stolen from i386/string.h */
static __always_inline void * static __always_inline void *__inline_memcpy(void *to, const void *from, size_t n)
__inline_memcpy(void * to, const void * from, size_t n)
{ {
unsigned long d0, d1, d2; unsigned long d0, d1, d2;
__asm__ __volatile__( asm volatile("rep ; movsl\n\t"
"rep ; movsl\n\t"
"testb $2,%b4\n\t" "testb $2,%b4\n\t"
"je 1f\n\t" "je 1f\n\t"
"movsw\n" "movsw\n"
@@ -22,7 +20,7 @@ __asm__ __volatile__(
: "=&c" (d0), "=&D" (d1), "=&S" (d2) : "=&c" (d0), "=&D" (d1), "=&S" (d2)
: "0" (n / 4), "q" (n), "1" ((long)to), "2" ((long)from) : "0" (n / 4), "q" (n), "1" ((long)to), "2" ((long)from)
: "memory"); : "memory");
return (to); return to;
} }
/* Even with __builtin_ the compiler may decide to use the out of line /* Even with __builtin_ the compiler may decide to use the out of line
@@ -34,13 +32,15 @@ extern void *memcpy(void *to, const void *from, size_t len);
#else #else
extern void *__memcpy(void *to, const void *from, size_t len); extern void *__memcpy(void *to, const void *from, size_t len);
#define memcpy(dst, src, len) \ #define memcpy(dst, src, len) \
({ size_t __len = (len); \ ({ \
size_t __len = (len); \
void *__ret; \ void *__ret; \
if (__builtin_constant_p(len) && __len >= 64) \ if (__builtin_constant_p(len) && __len >= 64) \
__ret = __memcpy((dst), (src), __len); \ __ret = __memcpy((dst), (src), __len); \
else \ else \
__ret = __builtin_memcpy((dst), (src), __len); \ __ret = __builtin_memcpy((dst), (src), __len); \
__ret; }) __ret; \
})
#endif #endif
#define __HAVE_ARCH_MEMSET #define __HAVE_ARCH_MEMSET