[LLVMdev] TableGen related question for the Hexagon backend

[Jakob Stoklund Olesen]

On Aug 3, 2012, at 1:37 PM, Sebastian Pop <spop at codeaurora.org> wrote:

> On Fri, Aug 3, 2012 at 1:10 PM, Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote:
>> 
>> On Aug 3, 2012, at 10:11 AM, "Villmow, Micah" <Micah.Villmow at amd.com> wrote:
>> 
>>> [Villmow, Micah] Just curious as we have a similar approach for some code in our backed, but if the higher level source and the scripts to produce the intermediates were provided, would that be sufficiently acceptable to using generated td files?
>> 
>> No.
>> 
>> It's perfectly fine if the initial version of the td files are generated by a script, but td files in the LLVM tree need to be the primary source you work on going forward.
>> 
> 
> Ok, I think we are reaching here a middle ground.  I think
> that our scripts can detect redundancies and can zip the zillion
> classes into multiclass hierarchies that would enable us to move
> forward: evolving the code by hand and the result would also be
> more readable for humans.

That would be a great start to good target description files.

Thanks,
/jakob