[Bug tree-optimization/103544] [11 Regression] compiler crashes when trying to vectorize loop
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Jan 4 09:16:45 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103544
--- Comment #8 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:1a15451da14410bf2bd6ec8f5baba1014638c67a
commit r12-6203-g1a15451da14410bf2bd6ec8f5baba1014638c67a
Author: Richard Biener <rguenther@suse.de>
Date: Tue Jan 4 10:12:47 2022 +0100
tree-optimization/103864 - SLP reduction of reductions with conversions
This generalizes the fix for PR103544 to also cover reductions that
are not reduction chains and does not consider reductions wrapped in
sign conversions for SLP reduction handling.
2022-01-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/103864
PR tree-optimization/103544
* tree-vect-slp.c (vect_analyze_slp_instance): Exclude
reductions wrapped in conversions from SLP handling.
(vect_analyze_slp): Revert PR103544 change.
* gcc.dg/vect/pr103864.c: New testcase.
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