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[Bug tree-optimization/68559] Excessive peeling for gaps
- 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: Fri, 27 Nov 2015 14:17:59 +0000
- Subject: [Bug tree-optimization/68559] Excessive peeling for gaps
- Auto-submitted: auto-generated
- References: <bug-68559-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68559
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Nov 27 14:17:28 2015
New Revision: 231015
URL: https://gcc.gnu.org/viewcvs?rev=231015&root=gcc&view=rev
Log:
2015-11-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/68559
* tree-vect-data-refs.c (vect_analyze_group_access_1): Move
peeling for gap checks ...
* tree-vect-stmts.c (vectorizable_load): ... here and relax
for SLP.
* tree-vect-loop.c (vect_analyze_loop_2): Re-set
LOOP_VINFO_PEELING_FOR_GAPS before re-trying without SLP.
* gcc.dg/vect/slp-perm-4.c: Adjust again.
* gcc.dg/vect/pr45752.c: Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/vect/pr45752.c
trunk/gcc/testsuite/gcc.dg/vect/slp-perm-4.c
trunk/gcc/tree-vect-data-refs.c
trunk/gcc/tree-vect-loop.c
trunk/gcc/tree-vect-stmts.c