Ilya Leoshkevich writes:
> Bootstrapped and regtested on x86_64-redhat-linux. Ok for master?
>
>
>
> The following s390 rtx is errneously considered a no-op:
>
> (set (subreg:DF (reg:TF %f0) 8) (subreg:DF (reg:V1TF %f0) 8))
>
> Here, SET_DEST is a second register in a floating-point register pair
Bootstrapped and regtested on x86_64-redhat-linux. Ok for master?
The following s390 rtx is errneously considered a no-op:
(set (subreg:DF (reg:TF %f0) 8) (subreg:DF (reg:V1TF %f0) 8))
Here, SET_DEST is a second register in a floating-point register pair,
and SET_SRC is the second half of a v