diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-04 10:45:37 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-04 10:45:37 +0000 |
| commit | 65afafea5990c20a8357a09bf6748fd38781ad47 (patch) | |
| tree | 002d1787e93d0fc5c2e65f699f5d251bbf4f31ad /gcc/testsuite | |
| parent | 409ad634513bf5778c77cb93e48af35c1e19bfab (diff) | |
| download | gcc-65afafea5990c20a8357a09bf6748fd38781ad47.tar.gz | |
2013-01-04 Richard Biener <rguenther@suse.de>
PR middle-end/55863
* fold-const.c (split_tree): Undo -X - 1 to ~X folding for
reassociation.
* gcc.dg/fold-reassoc-2.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194899 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-reassoc-2.c | 14 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2594b26508c..a4f4685f3d1 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2013-01-04 Richard Biener <rguenther@suse.de> + + PR middle-end/55863 + * gcc.dg/fold-reassoc-2.c: New testcase. + 2013-01-04 Tobias Burnus <burnus@net-b.de> PR fortran/55763 diff --git a/gcc/testsuite/gcc.dg/fold-reassoc-2.c b/gcc/testsuite/gcc.dg/fold-reassoc-2.c new file mode 100644 index 00000000000..e2dd100b71e --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-reassoc-2.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-original" } */
+
+int foo (int i)
+{
+ return (i + 2) - (i + 1);
+}
+int bar (int i)
+{
+ return (i + 2) + ~i;
+}
+
+/* { dg-final { scan-tree-dump "return 1;" "original" } } */
+/* { dg-final { cleanup-tree-dump "original" } } */
|