[Bug tree-optimization/91723] [9 Regression] builtin fma is not optimized or vectorized as *+

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91723

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Oct 21 11:41:40 2019
New Revision: 277250

URL: https://gcc.gnu.org/viewcvs?rev=277250&root=gcc&view=rev
Log:
        Backported from mainline
        2019-09-11  Jakub Jelinek  <ja...@redhat.com>

        PR tree-optimization/91723
        * tree-vect-stmts.c (vectorizable_call): Use types_compatible_p check
        instead of pointer equality when checking if argument vectypes are
        the same.

        * gcc.dg/vect/vect-fma-3.c: New test.

Added:
    branches/gcc-9-branch/gcc/testsuite/gcc.dg/vect/vect-fma-3.c
Modified:
    branches/gcc-9-branch/gcc/ChangeLog
    branches/gcc-9-branch/gcc/testsuite/ChangeLog
    branches/gcc-9-branch/gcc/tree-vect-stmts.c