MOVV	f+8(FP), REGCTXT;			\
	MOVV	(REGCTXT), R25;			\
	PCDATA  $PCDATA_StackMapIndex, $0;	\
	JAL	(R25);				\
	/* copy return values back */		\
	MOVV	regArgs+40(FP), R25;		\
	JAL	·spillArgs(SB);		\
	MOVV	argtype+0(FP), R7;		\
	MOVV	arg+16(FP), R4;			\
	MOVWU	n+24(FP), R5;			\
	MOVWU	retoffset+28(FP), R6;		\
	ADDV	$8, R3, R12;				\
	ADDV	R6, R12; 			\
	ADDV	R6, R4;				\
	SUBVU	R6, R5;				\
	JAL	callRet<>(SB);			\