* config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.

	* config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
	(attr "addrtype"): New member "spreg".
	Use it if mem_spfp_address_operand is true for the address.
	(attr "type"): New entry "stall".
	(cpu_unit "load"): New.
	(insn_reservations "load32", "loadp", "loadi"): Add reservation of
	"load".
	(insn_reservation "loadsp"): New.
	(insn_reservation "load_stall1"): New.
	(insn_reservation "load_stall3"): New.
	(stall): New insn.
	* config/bfin/predicates.md (const1_operand, const3_operand): New.
	(mem_p_address_operand): Exclude stack and frame pointer based
	addresses.
	(mem_spfp_address_operand): New; match them here.
	* config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
	(bfin_reorg): Call it if scheduling insns.
	(bfin_gen_bundles): Remove dummy insns created by
	add_sched_insns_for_speculation.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151486 138bc75d-0d04-0410-961f-82ee72b054a4