On Wed, 1 Feb 2023, Jakub Jelinek wrote:
> Hi!
>
> The PR78437 r7-4871 changes made combine_reaching_defs punt on
> WORD_REGISTER_OPERATIONS targets if a setter of smaller than word
> register has wider uses. This unfortunately breaks -fcompare-debug,
> because if such a use appears only in
Hi!
The PR78437 r7-4871 changes made combine_reaching_defs punt on
WORD_REGISTER_OPERATIONS targets if a setter of smaller than word
register has wider uses. This unfortunately breaks -fcompare-debug,
because if such a use appears only in DEBUG_INSN(s), while all other
uses aren't wider than the
