https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97236
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Matthias Klose <d...@gcc.gnu.org>: https://gcc.gnu.org/g:1ab88985631dd2c5a5e3b5c0dce47cf8b6ed2f82 commit r10-8859-g1ab88985631dd2c5a5e3b5c0dce47cf8b6ed2f82 Author: Matthias Klose <d...@ubuntu.com> Date: Tue Oct 6 13:41:37 2020 +0200 Backport fix for PR/tree-optimization/97236 - fix bad use of VMAT_CONTIGUOUS This avoids using VMAT_CONTIGUOUS with single-element interleaving when using V1mode vectors. Instead keep VMAT_ELEMENTWISE but continue to avoid load-lanes and gathers. 2020-10-01 Richard Biener <rguent...@suse.de> PR tree-optimization/97236 * tree-vect-stmts.c (get_group_load_store_type): Keep VMAT_ELEMENTWISE for single-element vectors. * gcc.dg/vect/pr97236.c: New testcase.
