[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 #19 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #18)
> Created attachment 33489 [details]
> Reduced case for MAX_RELOAD_INSNS_NUMBER
> 
> This fails when compiling with -O2 -m2e -m{l|b} with:
> 
> curr_insn = (insn 713 115 712 16 (parallel [
>             (set (reg/v:SF 804 [orig:333 x ] [333])
>                 (reg/v:SF 714 [orig:333 x ] [333]))
>             (use (reg/v:PSI 151 ))
>             (clobber (scratch:SI))
>         ]) er_lgamma.c:85 296 {movsf_ie}
>      (nil))

It's a reload loop and is maybe similar to PR 57032.