[Libre-soc-isa] [Bug 923] we missed some important fp ops

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu Sep 8 13:16:17 BST 2022


https://bugs.libre-soc.org/show_bug.cgi?id=923

--- Comment #3 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #2)
> (In reply to Jacob Lifshay from comment #1)
> > technically there's also x86's maxss operations, they implement the C
> > function:
> > float f(float a, float b) {
> >     return a < b ? a : b;
> > }
> 
> as best i can tell that's fsel - p168 v3.0B 4.6.9

it isn't actually, x86 minss/maxss compare the inputs with each other, not
against zero.

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