This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/64853] [5 Regression] wrong code at -Os and above on x86_64-linux-gnu
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 29 Jan 2015 13:51:13 +0000
- Subject: [Bug tree-optimization/64853] [5 Regression] wrong code at -Os and above on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-64853-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64853
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jan 29 13:50:37 2015
New Revision: 220247
URL: https://gcc.gnu.org/viewcvs?rev=220247&root=gcc&view=rev
Log:
2015-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/64853
* tree-vrp.c (vrp_valueize_1): Do not return anything if the
stmt will get simulated again.
* tree-ssa-ccp.c (valueize_op_1): Likewise.
* gcc.dg/torture/pr64853.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr64853.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
trunk/gcc/tree-vrp.c