[Bug target/63501] ICE in GCC powerpc64le top of trunk with -mupper-regs-df

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63501

--- Comment #4 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Michael Meissner from comment #3)
> The -mupper-regs-df and -mupper-regs-sf options are a work in progress.  I
> am working on these options right now on a private branch, but the code is
> not yet ready for incorporation into the tree.  I don't know how long it
> will take to track down the various bugs before the patches are submitted.

Meaning, don't use the -mupper-regs-df and -mupper-regs-sf options until Mike
has his patch(es) upstream.