| commit | fa879112180401525b801df59aa9198d2c750547 | |
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Mon, 27 Feb 2017 08:51:28 +0000 (27 08:51 +0000) | ||
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Mon, 27 Feb 2017 08:51:28 +0000 (27 08:51 +0000) | ||
| tree | 2c076d7eb5021139981bfc90131783fb89462744 | treesnapshot (tar.gz zip) |
| parent | 05400b7573a229c8a6774c543122dc275d8640dc | commitdiff |
2017-02-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/45397
* tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
* tree-ssa-sccvn.c (valueized_wider_op): New helper.
(visit_nary_op): Add pattern matching for CSEing sign-changed
or truncated operations with wider ones.
* gcc.dg/tree-ssa/pr45397.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245752 138bc75d-0d04-0410-961f-82ee72b054a4
PR tree-optimization/45397
* tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
* tree-ssa-sccvn.c (valueized_wider_op): New helper.
(visit_nary_op): Add pattern matching for CSEing sign-changed
or truncated operations with wider ones.
* gcc.dg/tree-ssa/pr45397.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245752 138bc75d-0d04-0410-961f-82ee72b054a4