re PR target/12598 (Invalid size optimization on volatile memory reference)

	PR target/12598
	* config/cris/cris.md (define_split "*mov_sidesi_biap_mem"+1)
	(define_splits "*mov_sidesi_mem"+1, "casesi"+9, +10, +11, +12):
	Use cris_mem_op and replace_equiv_address, not gen_rtx_MEM.
	("call", "call_value", define_split "*mov_sidesi_mem"+19, +20)
	(define_split "*mov_sidesi_mem"+21, +22, +23, +24, +25, +26, +27)
	(define_split "*mov_sidesi_mem"+28, +29, +30): Use
	replace_equiv_address, not gen_rtx_MEM.
	* config/cris/cris.c (cris_mem_op): New match_operator function.
	* config/cris/cris.h (PREDICATE_CODES): Add cris_mem_op.

From-SVN: r72521