rs6000-protos.h (rs6000_output_addr_const_extra): Declare.

rs6000-protos.h (rs6000_output_addr_const_extra): Declare.

gcc/
	* config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
	Declare.
	* config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): New macro.
	* config/rs6000/rs6000.md (UNSPEC_TOCREL): New constant.
	* config/rs6000/rs6000.c (constant_pool_expr_1): Delete.
	(constant_pool_expr_p): Use split_const and check the base.
	(toc_relative_expr_p): Likewise, checking for an UNSPEC_TOCREL
	instead of a MINUS.
	(legitimate_constant_pool_address_p): Check toc_relative_p
	instead of constant_pool_expr_p.
	(print_operand_address): Always use output_addr_const for
	constant pool addresses.
	(rs6000_output_addr_const_extra): New function.
	(create_TOC_reference): Create an UNSPEC_TOCREL instead of
	a MINUS.

From-SVN: r140910