https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #135 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- Created attachment 58836 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58836&action=edit a trial patch for c#133 Simlar changes for extend<mode>si2 and mov<mode> which define new insn_and_split to force hardware r0 reg for the problematic cases so as to shorten r0 live range. * config/sh/sh.md (extend<mode>si2_short_mem_disp_z, mov<mode>_store_mem_index): New insn_and_split patterns. (extend<mode>si2, mov<mode>): Use them for LRA.
