[Bug target/94587] Intrinsics optimization bug with -O2 -march=skylake-avx512

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Apr 14 09:27:34 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94587

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I don't see anything wrong, with -mavx512vl -O2 FMA is used, while it isn't
used without those options.  Use -ffp-contract=off if you don't like this, the
default is -ffp-contract=fast as documented.


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