@prasanth .... I know this solution...Try giving with constraints
specified ...
only following operations are available...
SHR reg1, op1
ADD reg1, op1
AND reg1, op1
NOT reg1.
On Sep 17, 6:46 pm, prasanth n <nprasnt...@gmail.com> wrote:
> let a and b be the two numbers
>
> int temp,result;
> temp=a-b;
> //if temp is -ve,then its MSB will be 1..else it ll be 0..so
> temp=temp & (1<<31);
>
> //now temp either holds 0(if temp is +ve) or a -ve no(if temp is -ve)
>
> result=a - temp(a-b);
> //now result contains the required value since a-(a-b)=b
> printf("%d",result);
>
> On Sat, Sep 17, 2011 at 7:03 PM, sivaviknesh s <sivavikne...@gmail.com>wrote:
>
>
>
>
>
>
>
>
>
> > Two registers A and B. Initial Contents of the registers are unknown.
> > Write a program to find MAXINT - The maximum positive unsigned integer
> > The instructions available are:
> > SHR reg1, op1
> > ADD reg1, op1
> > AND reg1, op1
> > NOT reg1.
> > Op1 may represent any number or register.
> > (Hint: The Shift operation is a logical shift, not arithmetic shift.)
>
> > ..solution plz .. i tried but unable to arrive
>
> > --
> > Regards,
> > $iva
>
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>
> --
> *prasanth*
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