/ / range checking / _RANG42: bne 1f mov (lc)+,r3 1: mov 2(sp),r0 sxt r1 cmp r1,(sp) bne 9f br 2f _RANG2: bne 1f mov (lc)+,r3 1: mov (sp),r0 2: cmp r0,r3 blt 9f cmp r0,(lc)+ bgt 9f return _RSNG42: bne 1f mov (lc)+,r3 1: mov 2(sp),r0 sxt r1 cmp r1,(sp) bne 9f cmp r0,r3 bhi 9f return _RSNG2: bne 1f mov (lc)+,r3 1: cmp (sp),r3 bhi 9f return _RSNG4: mov (sp),r0 bmi 9f mov 2(sp),r1 br 2f _RSNG24: mov (sp),r1 bmi 9f sxt r0 br 2f _RANG24: mov (sp),r1 sxt r0 br 1f _RANG4: mov (sp),r0 mov 2(sp),r1 1: cmp r0,(lc)+ blt 9f bgt 1f cmp r1,(lc) blo 9f 1: tst (lc)+ 2: cmp r0,(lc)+ bgt 9f blt 1f cmp r1,(lc) bhi 9f 1: tst (lc)+ return 9: mov $ERANGE,_perrno error ERANGE