Re: [Qemu-devel] [RFC v2 05/13] target-ppc: add modulo word operations

[Nikunj A Dadhania]

Richard Henderson <address@hidden> writes:
> On 07/23/2016 02:14 PM, Nikunj A Dadhania wrote:
[...]
> Basically, we check for the offending cases and modify the divisor prior to 
> the 
> division.  For unsigned:
>
>       a / (b == 0 ? 1 : b)
>
> For signed:
>
>       a / ((a == INT_MAX & b == -1) | (b == 0) ? : b)

So when we change the divisor to 1, undefined result is set as "a". Hope
that should be fine and doesnt break anything :-)

Regards,
Nikunj