gcc/testsuite/gcc.dg/20030926-1.c

   1 /* PR optimization/11741  */
   2 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-options "-O2 -minline-all-stringops" } */
   4 /* { dg-options "-O2 -minline-all-stringops -march=pentium4" { target i?86-*-* } } */
   5 /* { dg-skip-if "" { i?86-*-* } { "-m64" } { "" } } */
   6
   7 extern void *memcpy (void *, const void *, __SIZE_TYPE__);
   8 extern __SIZE_TYPE__ strlen (const char *);
   9
  10 void
  11 foo (char *p)
  12 {
  13   for (;;)
  14     {
  15       memcpy (p, p + 1, strlen (p));
  16       p++;
  17     }
  18 }
  19