[Bug tree-optimization/105965] [10/11/12 Regression] x86: single-element vectors don't have scalar FMA insns used anymore
pinskia at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Jun 21 01:52:16 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105965
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|target |tree-optimization
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=101540
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #2)
> that means we are at least missing a match.pd pattern to simplify
>
> _1 = {_10};
> _11 = VIEW_CONVERT_EXPR<float>(_1);
I had an alternative patch which I had submitted in November:
https://gcc.gnu.org/pipermail/gcc-patches/2021-November/585597.html
I never followed up and such. Sorry about that.
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