[PATCH] D67259: [X86] Enable -mprefer-vector-width=256 by default for Skylake-avx512 and later Intel CPUs.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Sep 10 22:58:37 PDT 2019

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craig.topper added a comment.

In D67259#1662106 <https://reviews.llvm.org/D67259#1662106>, @RKSimon wrote:

> Do we need to include some benchmark numbers?


What tests do you think we should run?


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