[Bug target/106694] Redundant move instructions in ARM SVE intrinsics use cases

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106694

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to JuzheZhong from comment #4)
> No. I am not saying the issue of "movprfx". I am saying the issue of the
> redundant "mov" instructions.:
>         mov     z5.d, z24.d
>         mov     z4.d, z25.d
>         mov     z3.d, z26.d
>         mov     z2.d, z27.d
> 
> 
> This is the issue that "subreg" didn't propagate across the basic block.

Oh ld4 issue. I thought there was another bug filed against that. The problem
is even without SVE too IIRC.