/*#define XADDL(s,d) BYTE $0x0F; BYTE $0xC1; BYTE $((0<<6)|(s<<3)|(d))*/ /*TEXT	xadd(SB),$0	/* long xadd(long *, long); */ /*	MOVL	l+0(FP),BX/*	MOVL	i+4(FP),AX/*	LOCK/*	XADDL(0,3)/*	RET*/ TEXT	_xinc(SB),$0	/* void _xinc(long *); */ 	MOVL	l+0(FP),AX	LOCK	INCL	0(AX)	RET TEXT	_xdec(SB),$0	/* long _xdec(long *); */ 	MOVL	l+0(FP),AX	LOCK	DECL	0(AX)	JZ	iszero	MOVL	$1, AX	RETiszero:	MOVL	$0, AX	RET