[llvm-dev] [RFC] [PowerPC] Removing PowerPC QPX Support

Fangrui Song via llvm-dev
Thu, 30 Apr 2020 19:03:08 -0000

On 2020-04-29, Finkel, Hal J. via llvm-dev wrote:
>Hi, everyone,
>
>I would like to know if anyone is still making use of the support in the
PowerPC backend for the IBM BG/Q supercomputer, including the support for its
QPX vector instruction set. If you are, please reply. I'm not aware of any
still-running BG/Q machines, and if no one is making use of this functionality,
I propose that we remove it.
>
>Thanks again,
>Hal
>
>Hal Finkel
>Lead, Compiler Technology and Programming Languages
>Leadership Computing Facility
>Argonne National Laboratory

CC Justin Hibbits who may be using QPX.

(I don't know anything about QPX.)