git: 9front

ref: 6eb7e8e2b120c1511bdcf90e5b1d4e76383c7daf
dir: /sys/src/libc/amd64/tas.s/

View raw version 
TEXT	_tas(SB), 1, $0

	MOVL	$0xdeaddead,AX
	XCHGL	AX,(RARG)
	RET