[PATCH] D51492: [X86][BtVer2] Fix WriteFShuffle256 schedule write info.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In https://reviews.llvm.org/D51492#1219429, @lebedev.ri wrote:

> Really ignorant question: how do you decide what is the right values?
>  Is there some documentation?


AMD's Fam16h SOG which includes a latency spreadsheet - https://developer.amd.com/resources/developer-guides-manuals/

The Fam15h SOG have similar charts at the back of the PDF as do many of the Intel CPUs in their AOM docs


https://reviews.llvm.org/D51492