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[Bug rtl-optimization/71984] [7 Regression] wrong code with -O -mavx512cd
- 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: Tue, 26 Jul 2016 14:11:53 +0000
- Subject: [Bug rtl-optimization/71984] [7 Regression] wrong code with -O -mavx512cd
- Auto-submitted: auto-generated
- References: <bug-71984-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71984
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jul 26 14:11:21 2016
New Revision: 238757
URL: https://gcc.gnu.org/viewcvs?rev=238757&root=gcc&view=rev
Log:
2016-07-26 Richard Biener <rguenther@suse.de>
PR rtl-optimization/71984
* simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare
for VOIDmode.
* gcc.dg/torture/pr71984.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr71984.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/simplify-rtx.c
trunk/gcc/testsuite/ChangeLog