gcc/testsuite/gcc.dg/pr87273.c

   1 /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-Os -fschedule-insns -fsel-sched-pipelining -fselective-scheduling -fno-ssa-phiopt -fno-tree-loop-im" } */
   3 /* { dg-additional-options "-march=core2" { target i?86-*-* x86_64-*-* } } */
   4
   5 int sd;
   6
   7 void
   8 w5 (int n4)
   9 {
  10   long int *vq = (long int *) &n4;
  11
  12   while (n4 < 1)
  13     {
  14       int ks;
  15
  16       ks = !!(n4 + 1) ? ((++sd) == *vq) : 0;
  17       if (ks == 1 / *vq)
  18         *vq *= sd;
  19     }
  20 }