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

[Chris Lattner]

On Aug 4, 2011, at 12:39 PM, David A. Greene wrote:

> Evan Cheng <evan.cheng at apple.com> writes:
> 
>> There have a been quite a bit of activity in this area recently. Matt
>> Pharr has filed a lot of AVX bugs and Bruno has been churning through
>> them. Have you checked how many of your bug fixes are still necessary?
> 
> The bug fixes are not the most important part.  Getting the SIMD
> specification into a scalable shape is.  Intel is not going to stop with
> 256-bit vectors, 512-bit vectors or even 1k-bit vectors.

We should *definitely* wait for a new ISA spec before changing how we model this.  If/when intel does this, there is no certainty it will look anything like SSE/AVX.

-Chris