[llvm-commits] [PATCH] Add Pattern ID Information

[David A. Greene]

Chris Lattner <clattner at apple.com> writes:

>> It's a very good bet.  One only need look at Larrabee/Knight's <blah>.
>> 
>> AVX2 looks just like AVX.  It adds 256-bit support for integers.
>
> Right, AVX2 is just a logical extension of AVX that doesn't need major restructuring.

But it does need a whole set of dpulicate patterns for integer
operations.

> Larrabee isn't related to AVX or X86 in any particularly useful way.

Sure it is.  Look at the mnemonics.  Much of it is a 512-bit extension
to AVX.

>> The refactoring will make things more maintainable now and prepare for
>> the future.  We talked about this a year ago and folks seemed to agree
>> it was a good idea.
>
> I completely disagree.

Well, let me present the work and then we can decide.  Fair enough?

                                   -Dave