[Bug rtl-optimization/91333] [9/10 Regression] suboptimal register allocation for inline asm

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91333

rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:

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

--- Comment #15 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #14)
> I think what matters is whether the new asm for those is the same or better
> than before.  If the tests hardcode particular RA decisions, they'll
> obviously FAIL when something in the RA changes.

The kind of change is from:

        mov     z2.d, x0
        movprfx z0, z1
        uabd    z0.d, p0/m, z0.d, z2.d
        ret

to:

        mov     z0.d, x0
        mov     z2.d, z0.d
        movprfx z0, z1
        uabd    z0.d, p0/m, z0.d, z2.d
        ret

so this is a genuine regression.