[Bug target/87555] There is no need for UNSPEC_FMADDSUB

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87555

--- Comment #6 from Hongtao.liu <crazylht at gmail dot com> ---

> So it there any canonical rtx for vec_merge? 
> (vec_merge (A B const_int 10) should abviously equal to (vec_merge B A
> const_int 5)

A and B here are 4-element vector.