[PATCH CGEN v1] cgen: Compute correct mask and values when offset in define-ifield is not 0.

[Jose E. Marchesi]

>>> Just to know if you have some comments to this patch :-)
>>> Thanks in advance.
>>
>> Sorry, no fresh enough knowledge to offer informed commentary.  If
>> your regression tests on other platform indicated no problems, and
>> it solves a real problem with your arch, go for it.
>
> FWIW we reviewed carefully the change internally and it looks good to
> me...

... and of course if we break it, we fix it ;)

/me crosses fingers and toes and...