[Bug rtl-optimization/91154] [10 Regression] 456.hmmer regression on Haswell caused by r272922

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91154

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |segher at gcc dot gnu.org

--- Comment #19 from Segher Boessenkool <segher at gcc dot gnu.org> ---
So how does this cause 12% degradation (20% by some other measurements)
on power9?  Pretty much everything is the *opposite* way around for us:
we do have cheap conditional moves, we do prefer integer registers.