* expr.c (operand): If md_parse_name is defined, call it before

	* expr.c (operand): If md_parse_name is defined, call it before
	calling symbol_find_or_make.
	* config/tc-ppc.h (md_parse_name): Define.
	(ppc_parse_name): Declare.
	* config/tc-ppc.c (reg_name_search): Add regs and regcount
	parameters.
	(register_name): Update call to reg_name_search.
	(cr_operand): New static variable.
	(cr_names): New static const array.
	(ppc_parse_name): New function.
	(md_assemble): If PPC_OPERAND_CR is set in the operand flags, set
	cr_operand before calling expression.
PR 10460.