gcc/testsuite/gcc.dg/fold-eqand-1.c

   1 /* PR tree-optimization/13827 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-original" } */
   4
   5 unsigned foo (unsigned a, unsigned b)
   6 {
   7   return (a & 0xff00) != (b & 0xff00);
   8 }
   9
  10 unsigned bar (unsigned c, unsigned d)
  11 {
  12   return (c & 0xff00) == (d & 0xff00);
  13 }
  14
  15 /* { dg-final { scan-tree-dump-times "a \\^ b" 1 "original" } } */
  16 /* { dg-final { scan-tree-dump-times "c \\^ d" 1 "original" } } */