[PATCH] D100085: [X86] Support -march=rocketlake

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/lib/Target/X86/X86.td:790
+                                                  FeatureFSRM];
+  list<SubtargetFeature> RKLTuning = ICLTuning;
+  list<SubtargetFeature> RKLFeatures =
----------------
Using ICLTuning suggests we should still be avoiding 512-bit ops (FeaturePrefer256Bit) - is this still true for RKL (or anything past CNL...)?

I posted PR48336 but never got any response, but from what others have reported (Travis Downs, Phoronix etc) its mainly a power issue these days, not a perf issue due to big freq drops.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100085/new/

https://reviews.llvm.org/D100085