1/*TEXT xadd(SB),$0 /* long xadd(long *, long); */ 2 3/* MOVL i+8(FP),AX 4/* LOCK 5/* XADDL AX, (RARG) 6/* RET 7*/ 8 9TEXT _xinc(SB),$0 /* void _xinc(long *); */ 10 11 LOCK; INCL 0(RARG) 12 RET 13 14TEXT _xdec(SB),$0 /* long _xdec(long *); */ 15 16 MOVL $0, AX 17 MOVL $1, BX 18 LOCK; DECL 0(RARG) 19 CMOVLNE BX, AX 20 RET 21