[thirdparty/gcc.git] / gcc / testsuite / gcc.c-torture / execute / builtins / lib / memcmp.c

extern void abort(void);
extern int inside_main;

__attribute__ ((__noinline__))
int
memcmp (const void *s1, const void *s2, __SIZE_TYPE__ len)
{
  const unsigned char *sp1, *sp2;

#ifdef __OPTIMIZE__
  if (inside_main)
    abort ();
#endif

  sp1 = s1;
  sp2 = s2;
  while (len != 0 && *sp1 == *sp2)
    sp1++, sp2++, len--;

  if (len == 0)
    return 0;
  return *sp1 - *sp2;
}
Commit	Line	Data
58e292f1	1	extern void abort(void);
a61d05be	2	extern int inside_main;
a61d05be	3
7bfefa9d	4	__attribute__ ((__noinline__))
a61d05be	5	int
	6	memcmp (const void s1, const void s2, __SIZE_TYPE__ len)
	7	{
	8	const unsigned char sp1, sp2;
	9
	10	#ifdef __OPTIMIZE__
	11	if (inside_main)
	12	abort ();
	13	#endif
	14
	15	sp1 = s1;
	16	sp2 = s2;
	17	while (len != 0 && sp1 == sp2)
	18	sp1++, sp2++, len--;
	19
	20	if (len == 0)
	21	return 0;
	22	return sp1 - sp2;
	23	}