gcc/testsuite/gcc.target/i386/pr34012.c

   1 /* PR rtl-optimization/34012 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-options "-O2 -fno-store-merging" } */
   5
   6 void bar (long int *);
   7 void
   8 foo (void)
   9 {
  10   long int buf[10];
  11   buf[0] = 0x0808080808080808;
  12   buf[1] = 0x0808080808080808;
  13   buf[2] = 0x0808080808080808;
  14   buf[3] = 0x0808080808080808;
  15   buf[4] = 0x0808080808080808;
  16   buf[5] = 0x0808080808080808;
  17   buf[6] = 0x0808080808080808;
  18   buf[7] = 0x0808080808080808;
  19   buf[8] = 0x0808080808080808;
  20   buf[9] = 0x0808080808080808;
  21   bar (buf);
  22 }
  23
  24 /* Check that CSE did its job and fwprop hasn't undone it.  */
  25 /* { dg-final { scan-assembler-times "578721382704613384|0808080808080808" 1 } } */