[PATCH] D141974: [X86] Removing 'TuningSlow3OpsLEA' from ICL config

Noah Goldstein via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 17 16:07:27 PST 2023


goldstein.w.n created this revision.
Herald added subscribers: pengfei, hiraditya.
Herald added a project: All.
goldstein.w.n requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

According to https://uops.info/ ICL and newer have fast 3-term LEA.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141974

Files:
  llvm/lib/Target/X86/X86.td


Index: llvm/lib/Target/X86/X86.td
===================================================================
--- llvm/lib/Target/X86/X86.td
+++ llvm/lib/Target/X86/X86.td
@@ -886,7 +886,6 @@
                                                   FeatureFSRM];
   list<SubtargetFeature> ICLTuning = [TuningFastGather,
                                       TuningMacroFusion,
-                                      TuningSlow3OpsLEA,
                                       TuningSlowDivide64,
                                       TuningFastScalarFSQRT,
                                       TuningFastVectorFSQRT,


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D141974.489969.patch
Type: text/x-patch
Size: 605 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20230118/7cfd1c58/attachment.bin>


More information about the llvm-commits mailing list