244 #define	NATIVE_TIME_TO_NSEC_SCALE(out, scr1, scr2, shift)		\  argument
245 	srlx	out, 32, scr2;		/* check high 32 bits */	\
248 	mulx	out, scr1, out;		/* delay: 32-bit fast path */	\
249 	sllx	out, shift, out;	/* clear NPT and pre-scale */	\
250 	srlx	out, 32, scr2;		/* scr2 = hi32(tick<<4) = H */	\
252 	srl	out, 0, out;		/* out = lo32(tick<<4) = L */	\
253 	mulx	out, scr1, scr1;	/* scr1 = (L*F) */		\
256 	add	scr1, scr2, out;	/* out = (H*F) + ((L*F) >> 32) */\
258 	srlx	out, 32 - shift, out;					\
261 #define	NATIVE_TIME_TO_NSEC(out, scr1, scr2)				\  argument
264 	NATIVE_TIME_TO_NSEC_SCALE(out, scr1, scr2, NSEC_SHIFT);
266 #define	NATIVE_TIME_MAX(out)						\  argument
267 	mov	-1, out;						\
268 	srlx	out, NSEC_SHIFT, out