[Bug tree-optimization/101615] [12 Regression] wrong code at -O3 on x86_64-linux-gnu since r12-1872
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Jul 28 15:41:37 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101615
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:3c91efec15af4f922a9af495e178bbb66d2e9d1f
commit r12-2573-g3c91efec15af4f922a9af495e178bbb66d2e9d1f
Author: Richard Biener <rguenther@suse.de>
Date: Wed Jul 28 15:12:00 2021 +0200
tree-optimization/101615 - SLP permute opt with CTOR roots
CTOR roots are not explicitely represented so we have to make sure
to materialize permutes on SLP graph entries to them.
2021-07-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/101615
* tree-vect-slp.c (vect_optimize_slp): Materialize permutes
at CTOR SLP graph entries.
* gcc.dg/vect/bb-slp-pr101615-2.c: New testcase.
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