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[Bug tree-optimization/56608] [4.7 Regression] SLP seems to produce incorrect value with -ffast-math
- 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 Mar 2013 10:16:08 +0000
- Subject: [Bug tree-optimization/56608] [4.7 Regression] SLP seems to produce incorrect value with -ffast-math
- Auto-submitted: auto-generated
- References: <bug-56608-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56608
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Known to work| |4.7.3
Resolution| |FIXED
Known to fail|4.7.3 |4.7.2
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-26 10:16:08 UTC ---
Author: rguenth
Date: Tue Mar 26 10:12:52 2013
New Revision: 197096
URL: http://gcc.gnu.org/viewcvs?rev=197096&root=gcc&view=rev
Log:
2013-03-26 Richard Biener <rguenther@suse.de>
Backport from mainline
2013-03-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/56608
* tree-vect-slp.c (vect_schedule_slp): Do not remove scalar
calls when vectorizing basic-blocks.
* gcc.dg/vect/fast-math-bb-slp-call-3.c: New testcase.
2013-03-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/56270
* tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts
of loads after scheduling an SLP instance.
* gcc.dg/vect/slp-38.c: New testcase.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/vect/fast-math-bb-slp-call-3.c
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/vect/slp-38.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-vect-slp.c