On Tue, Jul 30, 2024 at 10:24 PM Jeff Law wrote:
>
>
> This fixes a testsuite regression seen on m68k after some of the recent
> ext-dce changes. Ultimately Richard S and I have concluded the bug was
> a latent issue in subreg simplification.
>
> Essentially when simplifying something like
>
> (s
This fixes a testsuite regression seen on m68k after some of the recent
ext-dce changes. Ultimately Richard S and I have concluded the bug was
a latent issue in subreg simplification.
Essentially when simplifying something like
(set (target:M1) (subreg:M1 (subreg:M2 (reg:M1) 0) 0))
Where M
