Ilya Leoshkevich via Gcc-patches writes:
> v1: https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563800.html
>
> v1 -> v2: Allow (mem) -> (subreg) propagation only for single uses.
>
> Boostrapped and regtested on x86_64-redhat-linux, ppc64le-redhat-linux
> and s390x-redhat-linux. Ok for mas
v1: https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563800.html
v1 -> v2: Allow (mem) -> (subreg) propagation only for single uses.
Boostrapped and regtested on x86_64-redhat-linux, ppc64le-redhat-linux
and s390x-redhat-linux. Ok for master?
Suppose we have:
(set (reg/v:TF 63) (me
