[Bug rtl-optimization/71779] [5/6/7 regression] isl miscompiled with -mabi=ilp32

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71779

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #5)
> Is an invalid combine.  GCC must be thinking the upper bits of reg 419 (aka
> 487) was zero for some reason.

No that is fine.  In fact reg 487 was done using add which will cause zeros in
the upper bits.

Oh I might be looking into the wrong one ...