wrapped-string.c

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#include <stdio.h>
int
main ()
{
  char *format = "\
%c %c %c
%c %c %c
%c %c %c\n";

  printf (format, '1', '2', '3', '4', '5', '6', '7', '8', '9');
}

static inline void
__generic_memcpy_fromfs (void *to, const void *from, unsigned long n)
{
  __asm__ volatile ("	cld
		cmpl $3,%0
		jbe 1f
		movl %%edi,%%ecx
		negl %%ecx
		andl $3,%%ecx
		subl %%ecx,%0
		fs; rep; movsb
		movl %0,%%ecx
		shrl $2,%%ecx
		fs; rep; movsl
		andl $3,%0
	1:	movl %0,%%ecx
		fs; rep; movsb");
}
static inline void
__generic_memcpy_fromfs (void *to, const void *from, unsigned long n)
{
  __asm__ volatile ("	cld
		cmpl $3,%0
		jbe 1f
		movl %%edi,%%ecx
		negl %%ecx
		andl $3,%%ecx
		subl %%ecx,%0
		fs; rep; movsb
		movl %0,%%ecx
		shrl $2,%%ecx
		fs; rep; movsl
		andl $3,%0
	1:	movl %0,%%ecx
		fs; rep; movsb":"=abd" (n):"0" (n), "D" ((long) to), "S" ((long) from):"cx", "di", "si", "memory");
}