Fix gcc.dg/vect/bb-slp-pr65935.c FAIL with AVX after recent change
authorRichard Biener <rguenther@suse.de>
Tue, 28 Sep 2021 06:59:49 +0000 (08:59 +0200)
committerRichard Biener <rguenther@suse.de>
Tue, 28 Sep 2021 07:02:12 +0000 (09:02 +0200)
commit6fabd9e25d1438b506c0c3979330cfd3034af317
treeed67b7cbfdb88c8c05a9156bba080338f7913563
parente475ae9bbf0c85a7d60f236c5a744e163a9ef7b8
Fix gcc.dg/vect/bb-slp-pr65935.c FAIL with AVX after recent change

This avoids bigger than V2DF vectorization which disturbs the ability
to consistently check for the vectorization result after us now
also vectorizing the V2DF tail of a V4DF vectorization variant.

2021-09-28  Richard Biener  <rguenther@suse.de>

* gcc.dg/vect/bb-slp-pr65935.c: Prefer 128bit vectorization
on x86.
gcc/testsuite/gcc.dg/vect/bb-slp-pr65935.c