[Bug target/84201] 549.fotonik3d_r from SPEC2017 fails verification with recent Intel and AMD CPUs

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84201

--- Comment #18 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:058d19b42ad4c4c22635f70db6913a80884aedec

commit r12-7535-g058d19b42ad4c4c22635f70db6913a80884aedec
Author: Richard Biener <rguenther@suse.de>
Date:   Tue Mar 8 12:07:07 2022 +0100

    tree-optimization/84201 - add --param vect-induction-float

    This adds a --param to allow disabling of vectorization of
    floating point inductions.  Ontop of -Ofast this should allow
    549.fotonik3d_r to not miscompare.

    2022-03-08  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/84201
            * params.opt (-param=vect-induction-float): Add.
            * doc/invoke.texi (vect-induction-float): Document.
            * tree-vect-loop.cc (vectorizable_induction): Honor
            param_vect_induction_float.

            * gcc.dg/vect/pr84201.c: New testcase.