r275902 - in /branches/ibm/pcrel-trunk/gcc: Cha...

[meissner@gcc.gnu.org]

Author: meissner
Date: Wed Sep 18 18:54:35 2019
New Revision: 275902

URL: https://gcc.gnu.org/viewcvs?rev=275902&root=gcc&view=rev
Log:
Rework prefixed/pc-relative address matching.

2019-09-18  Michael Meissner  <meissner@linux.ibm.com>

	* config/rs6000/predicates.md (pcrel_address): Delete predicate.
	(pcrel_local_address): Replace pcrel_address predicate, use the
	new function address_to_insn_form.
	(pcrel_external_address): Replace with new implementation using
	address_to_insn_form..
	(prefixed_mem_operand): Delete predicate which is now unused.
	(pcrel_external_mem_operand): Delete predicate which is now
	unused.
	* config/rs6000/rs6000-protos.h (enum insn_form): New
	enumeration.
	(enum non_prefixed): New enumeration.
	(address_to_insn_form): New declaration.
	* config/rs6000/rs6000.c (print_operand_address): Check for either
	pc-relative local symbols or pc-relative external symbols.
	(mode_supports_prefixed_address_p): Delete, no longer used.
	(rs6000_prefixed_address_mode_p): Delete, no longer used.
	(address_to_insn_form): New function to decode an address format.


Modified:
    branches/ibm/pcrel-trunk/gcc/ChangeLog.meissner
    branches/ibm/pcrel-trunk/gcc/config/rs6000/predicates.md
    branches/ibm/pcrel-trunk/gcc/config/rs6000/rs6000-protos.h
    branches/ibm/pcrel-trunk/gcc/config/rs6000/rs6000.c