emit-rtl.c (mem_attrs_eq_p): New function, split out from...

emit-rtl.c (mem_attrs_eq_p): New function, split out from...

gcc/
	* emit-rtl.c (mem_attrs_eq_p): New function, split out from...
	(mem_attrs_htab_eq): ...here.
	(find_mem_attrs): Replace with...
	(set_mem_attrs): ...this function.  Take a mem_attrs structure
	rather than individual fields.
	(set_mem_attributes_minus_bitpos, set_mem_alias_set)
	(set_mem_addr_space, set_mem_align, set_mem_expr, set_mem_offset)
	(set_mem_size, change_address, adjust_address_1, offset_address)
	(widen_memory_access, get_spill_slot_decl, set_mem_attrs_for_spill):
	Update accordingly.

From-SVN: r176475