git: 9front

ref: c8804b623e67a2684619ce336c80cfa8e31e37ee
dir: /sys/src/libc/amd64/cycles.s/

View raw version
TEXT cycles(SB),1,$0				/* time stamp counter; cycles since power up */
	RDTSC
	MOVL	AX, 0(RARG)			/* lo */
	MOVL	DX, 4(RARG)			/* hi */
	RET