predicates.md (pcrel_address): New define_predicate.

predicates.md (pcrel_address): New define_predicate.

2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
	    Michael Meissner  <meissner@linux.ibm.com>

	* config/rs6000/predicates.md (pcrel_address): New define_predicate.
	(prefixed_mem_operand): Likewise.
	(non_prefixed_mem_operand): Likewise.
	* config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
	prototype.
	* config/rs6000/rs6000.c (print_operand_address): Handle
	PC-relative addresses.
	(mode_supports_prefixed_address_p): New function.
	(rs6000_prefixed_address): New function.
	* config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
	(SYMBOL_REF_PCREL_P): Likewise.

Co-Authored-By: Michael Meissner <meissner@linux.ibm.com>
From-SVN: r271798