[Bug 213257] KVM-PR: FPU is broken when single-stepping

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https://bugzilla.kernel.org/show_bug.cgi?id=213257

--- Comment #2 from Luke Kenneth Casson Leighton (lkcl@xxxxxxxx) ---
out of interest if the bottom half of vs0-vs31 is read (or written),
are those also zero?

completely unrelated i am running into a gdb machine-interface bug
which has been "solved" through the workaround of reading/writing
the lower 64 bits of VSX registers instead of fp0-fp31

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