diff options
| author | phython <phython@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-04 02:48:30 +0000 |
|---|---|---|
| committer | phython <phython@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-04 02:48:30 +0000 |
| commit | aa8057b43cfc5906f3ec496e182a913613b60a96 (patch) | |
| tree | c908d67b93dc9a831686bb43afc3806aef6fd260 /gcc/testsuite/gcc.dg/pr15784-4.c | |
| parent | 35db3ec168fe37033e35bb171191d3f707af8c0d (diff) | |
| download | gcc-aa8057b43cfc5906f3ec496e182a913613b60a96.tar.gz | |
2005-03-03 James A. Morrison <phython@gcc.gnu.org>
PR tree-optimization/15784
* fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
and -1 - A to ~A.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95870 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr15784-4.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr15784-4.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr15784-4.c b/gcc/testsuite/gcc.dg/pr15784-4.c new file mode 100644 index 00000000000..021b6375efc --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr15784-4.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ +int a (int x) { + return ~x + 1; /* -x */ +} + +int b (int x) { + return -x -1; /* ~x */ +} + +/* { dg-final { scan-tree-dump "~x;" "optimized" } } */ +/* { dg-final { scan-tree-dump "-x;" "optimized" } } */ |