Segher Boessenkool writes:
> Combine will put CLOBBER (with a non-void mode) anywhere in a pattern
> to poison it. reg_overlap_mentioned_p did not handle this. This patch
> fixes that.
>
> Tested on the PR testcase on x86_64-linux; also bootstrapped and
> regression checked on powerpc64-linux {-
Combine will put CLOBBER (with a non-void mode) anywhere in a pattern
to poison it. reg_overlap_mentioned_p did not handle this. This patch
fixes that.
Tested on the PR testcase on x86_64-linux; also bootstrapped and
regression checked on powerpc64-linux {-m32,-m64}. Is this okay for
trunk and
