* config/sh/sh.c (push_regs): Emit movml for interrupt handler
	when possible.
	(sh_expand_epilogue): Likewise.
	* config/sh/sh.md (movml_push_banked): New insn.
	(movml_pop_banked): Likewise.
	* gcc.dg/attr-isr.c: Skip test for -m2a.  Don't	run on sh2a*-*-*.


Co-Authored-By: Kaz Kojima <kkojima@gcc.gnu.org>

From-SVN: r163602