On Sat, 25 May 2024 at 00:25, Richard Henderson <richard.hender...@linaro.org> wrote: > > For all, rm == 15 is invalid. > Prior to v8, thumb with rm == 13 is invalid. > For PLDW, rn == 15 is invalid.
> Fixes a RISU mismatch for the HINTSPACE pattern in t32.risu > compared to a neoverse-n1 host. These are UNPREDICTABLE cases, not invalid. In general we don't try to match a specific implementation's UNPREDICTABLE choices. I think we're better off avoiding the mismatch by improving the risu patterns to avoid the UNPREDICTABLE cases. thanks -- PMM