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Re: Problem with x32 pointer_guard
> roland/x32-setjmp-mangle branch looks OK, except for that we
> also need to make similar change in:
> If we want to be clever, we can reorder sysdeps/x86_64/setjmp.S to
> use misaligned store for upper 32 bits of RBP instead of
> shift and 32-bit store. But I don't think it is really needed.
It's not a misaligned store, it's just a partially-redundant store, right?
The does seem more clever, and it's fewer instructions. I'll take your
word on whether the redundant store is better than two more register-only
instructions for performance.
Please verify the new version on the branch.