r188867 - Add avx512cd, avx512er, avx512pf feature flags and enable them on KNL CPU.
craig.topper at gmail.com
Wed Aug 21 09:26:12 PDT 2013
conflict detection, exponentiation and reciprocal, and prefetch
instructions. They have individual feature flags in CPUID. I guess a
processor supporting basic avx512 does not have to implement these other 3
groups of instructions.
I'll add tests for them and avx512f.
On Wed, Aug 21, 2013 at 6:53 AM, Rafael Espíndola <
rafael.espindola at gmail.com> wrote:
> On 21 August 2013 01:29, Craig Topper <craig.topper at gmail.com> wrote:
> > Author: ctopper
> > Date: Wed Aug 21 00:29:10 2013
> > New Revision: 188867
> > URL: http://llvm.org/viewvc/llvm-project?rev=188867&view=rev
> > Log:
> > Add avx512cd, avx512er, avx512pf feature flags and enable them on KNL
> What are them? Could you also add tests for the command line switches?
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