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

[David A. Greene]

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.

The way instructions get specified now will not scale.  There is far too
much duplication.

                                  -Dave