gcc/testsuite/gcc.target/i386/20030926-1.c

   1 /* PR optimization/11741  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -minline-all-stringops" } */
   4 /* { dg-additional-options "-march=pentium4" { target ia32 } } */
   5
   6 extern void *memcpy (void *, const void *, __SIZE_TYPE__);
   7 extern __SIZE_TYPE__ strlen (const char *);
   8
   9 void
  10 foo (char *p)
  11 {
  12   for (;;)
  13     {
  14       memcpy (p, p + 1, strlen (p));
  15       p++;
  16     }
  17 }
  18