https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94556
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
CC| |ubizjak at gmail dot com
Target Milestone|--- |10.0
Status|UNCONFIRMED |NEW
Last reconfirmed| |2020-04-10
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
It is caused by r10-2846:
commit bc4aa158c9490e76573bee3eec90f893b7d0b1ae
Author: Uros Bizjak <ubiz...@gmail.com>
Date: Wed Aug 28 17:09:51 2019 +0200
* config/i386/i386-features.c
(general_scalar_chain::compute_convert_gain):
Correct cost for double-word shifts.
(general_scalar_to_vector_candidate_p): Reject count operands
greater or equal to mode bitsize.
From-SVN: r274994
