This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/81162] [8 Regression] UBSAN switch triggers incorrect optimization in SLSR
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 14 Jul 2017 18:07:17 +0000
- Subject: [Bug tree-optimization/81162] [8 Regression] UBSAN switch triggers incorrect optimization in SLSR
- Auto-submitted: auto-generated
- References: <bug-81162-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81162
--- Comment #8 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Fri Jul 14 18:06:45 2017
New Revision: 250212
URL: https://gcc.gnu.org/viewcvs?rev=250212&root=gcc&view=rev
Log:
[gcc]
2016-07-14 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/81162
* gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
replace a negate with an add.
[gcc/testsuite]
2016-07-14 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/81162
* gcc.dg/pr81162.c: New file.
Added:
trunk/gcc/testsuite/gcc.dg/pr81162.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-ssa-strength-reduction.c
trunk/gcc/testsuite/ChangeLog