2018-02-09  Sebastian Perta  <sebastian.perta@renesas.com>

	* config/rx/constraints.md: added new constraint CALL_OP_SYMBOL_REF 
	to allow or block "symbol_ref" depending on value of TARGET_JSR
	* config/rx/rx.md: use CALL_OP_SYMBOL_REF in call_internal and 
	call_value_internal insns

From-SVN: r257529