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[Bug tree-optimization/81633] [7/8 Regression] Incorrect floating point result with tree vectoriser
- 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, 01 Aug 2017 13:58:45 +0000
- Subject: [Bug tree-optimization/81633] [7/8 Regression] Incorrect floating point result with tree vectoriser
- Auto-submitted: auto-generated
- References: <bug-81633-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81633
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Aug 1 13:58:13 2017
New Revision: 250779
URL: https://gcc.gnu.org/viewcvs?rev=250779&root=gcc&view=rev
Log:
2017-08-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/71752
PR tree-optimization/81633
* tree-vect-slp.c (vect_get_slp_defs): Handle null operands
in the original suggested way.
* gcc.dg/vect/pr81633.c: New testcase.
Added:
branches/gcc-7-branch/gcc/testsuite/gcc.dg/vect/pr81633.c
Modified:
branches/gcc-7-branch/gcc/ChangeLog
branches/gcc-7-branch/gcc/testsuite/ChangeLog
branches/gcc-7-branch/gcc/tree-vect-slp.c