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

[kkojima at gcc dot gnu.org]

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

--- Comment #22 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
Created attachment 33505
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33505&action=edit
A possible patch

These last two errors could be fixed with the attached patch:

    * config/sh/predicates.md (general_movsrc_operand): Take
    subregs into account for plus address expression.
    (general_movdst_operand): Likewise.
    (t_reg_operand): Allow (zero_extend (reg t)).