shithub: riscv

ref: 4fc2780a5a3e6f6e79cc2bfd7d53516cecdc54ab
dir: /sys/src/libc/amd64/tas.s/

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TEXT	_tas(SB), 1, $0

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