https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100981
--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:68d2dbf845d8589c2a227a3097cbcff9429244b0 commit r11-8580-g68d2dbf845d8589c2a227a3097cbcff9429244b0 Author: Richard Biener <rguent...@suse.de> Date: Wed Jun 9 14:48:35 2021 +0200 tree-optimization/100981 - fix SLP patterns involving reductions The following fixes the SLP FMA patterns to preserve reduction info and the reduction vectorization to consider internal function call defs for the reduction stmt. 2021-06-09 Richard Biener <rguent...@suse.de> PR tree-optimization/100981 gcc/ * tree-vect-loop.c (vect_create_epilog_for_reduction): Use gimple_get_lhs to also handle calls. * tree-vect-slp-patterns.c (complex_pattern::build): Transfer reduction info. gcc/testsuite/ * gfortran.dg/vect/pr100981-1.f90: New testcase. libgomp/ * testsuite/libgomp.fortran/pr100981-2.f90: New testcase.