diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/fold-eqand-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-eqand-1.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-eqand-1.c b/gcc/testsuite/gcc.dg/fold-eqand-1.c new file mode 100644 index 000000000..6ed5b6db0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-eqand-1.c @@ -0,0 +1,17 @@ +/* PR tree-optimization/13827 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-original" } */ + +unsigned foo (unsigned a, unsigned b) +{ + return (a & 0xff00) != (b & 0xff00); +} + +unsigned bar (unsigned c, unsigned d) +{ + return (c & 0xff00) == (d & 0xff00); +} + +/* { dg-final { scan-tree-dump-times "a \\^ b" 1 "original" } } */ +/* { dg-final { scan-tree-dump-times "c \\^ d" 1 "original" } } */ +/* { dg-final { cleanup-tree-dump "original" } } */ |