[PATCH] Add a way to define the bit range covered by a SubRegIndex.

[Ahmed Bougacha]

On Fri, May 31, 2013 at 4:19 PM, Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote:
>
> On May 31, 2013, at 4:08 PM, Ahmed Bougacha <ahmed.bougacha at gmail.com> wrote:
>
>> OK so here's an update with a mandatory size:
>>
>> - for synthesized tuples, the size is accumulated, and, if the
>> elements are contiguous, the offset is set to be that of the first
>> element.
>> - for .td indices that are used in a "sketchy" way (an index to
>> represent an element of a tuple, without a fixed offset), the offset
>> is kept at -1.
>> - the getter was split in two; the size getter returns:
>>  * the sum of the size of the parts when they are not contiguous
>>  * -1 when the index is used to access different kinds of registers
>
> Looks good!
>
> Please send an email to llvmdev explaining the changes so people with out-of-tree targets will know how to update their .td files.

Done, and r183061, thanks for reviewing!

-- Ahmed Bougacha

> Thanks,
> /jakob
>