On Sat, 11 May 2024 at 12:54, Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> Smash the stack and thread pointers to deadbeef, as is common
> for the other architectures.  This allows us to drop these
> special cases within reginfo_is_eq and reginfo_dump_mismatch.
>
> Do not copy the unused special registers that are packed into gregs[].
> Most of these are related to system instructions and thus are not
> manipulable via the user-mode instructions targeted by RISU.  LNK and
> CTR are not initialized by risugen, and since in general we cannot
> test branches with risugen these can be ignored.  This leaves only
> XER and CCR as the only special registers to be copied.
>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---

Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>

thanks
-- PMM

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