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/*#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
RET
iszero:
MOVL $0, AX
RET
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