| commit | 2bbfc137c7356eda3d220ce8e28a54cada3dafe1 | |
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 4 Apr 2017 09:06:04 +0000 (4 09:06 +0000) | ||
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 4 Apr 2017 09:06:04 +0000 (4 09:06 +0000) | ||
| tree | 46598b536dd7896cb9ef0ba26970bcac31af8696 | treesnapshot (tar.gz zip) |
| parent | 975f273f4960536cbec522a86c96e67bb7a412e5 | commitdiff |
2017-04-04 Richard Biener <rguenther@suse.de>
PR middle-end/80281
* match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
arithmetic done for the negate or the plus. Simplify.
(A - (-B) -> A + B): Likewise.
* fold-const.c (split_tree): Make sure to not negate pointers.
* gcc.dg/torture/pr80281.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246674 138bc75d-0d04-0410-961f-82ee72b054a4
PR middle-end/80281
* match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
arithmetic done for the negate or the plus. Simplify.
(A - (-B) -> A + B): Likewise.
* fold-const.c (split_tree): Make sure to not negate pointers.
* gcc.dg/torture/pr80281.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246674 138bc75d-0d04-0410-961f-82ee72b054a4