[Bug target/55212] [SH] Switch from IRA to LRA

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212

--- Comment #42 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Kazumoto Kojima from comment #41)
> Created attachment 33601 [details]
> A trial patch for reload-loop problem
> 
> My first trial is to define a special movsf_ie insn_and_split used
> when lra makes new reload insns.

That also fixes the case in comment #18.

PR 54699 comes into my mind when seeing the movsf_ie patterns ... having
another movsf_ie pattern is discomforting.  But if it makes it work, so be it. 
Maybe we can try to combine the two movsf_ie insns later.