Re: [Qemu-devel] [PATCH] target-mips: Fix incorrect shift for SHILO and SHILOV

[Richard Henderson]

On 2012-12-04 13:00, Blue Swirl wrote:
>> > +    if (rs5_0 == 0)
>> > +        return;
> The check should be moved to translation time so that the call to this
> helper is not generated at all.

No, we'd do that only if this value were an immediate.
Branch over helper is not an optimization for an edge case runtime value.


r~