[PATCH] D62360: [X86] Add zero idioms to the haswell, broadwell, and skylake schedule models. Add 256-bit fp xor to sandybridge zero idioms

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu May 23 17:27:33 PDT 2019


craig.topper created this revision.
craig.topper added reviewers: andreadb, RKSimon, courbet.
Herald added subscribers: gbedwell, hiraditya.
Herald added a project: LLVM.

This copies the Sandy Bridge zero idiom support to later CPUs. Adding the AVX2 and AVX512F/VL instructions as appropriate.


https://reviews.llvm.org/D62360

Files:
  llvm/lib/Target/X86/X86SchedBroadwell.td
  llvm/lib/Target/X86/X86SchedHaswell.td
  llvm/lib/Target/X86/X86SchedSandyBridge.td
  llvm/lib/Target/X86/X86SchedSkylakeClient.td
  llvm/lib/Target/X86/X86SchedSkylakeServer.td
  llvm/test/tools/llvm-mca/X86/Broadwell/zero-idioms.s
  llvm/test/tools/llvm-mca/X86/Haswell/zero-idioms.s
  llvm/test/tools/llvm-mca/X86/SandyBridge/zero-idioms.s
  llvm/test/tools/llvm-mca/X86/SkylakeClient/zero-idioms.s
  llvm/test/tools/llvm-mca/X86/SkylakeServer/zero-idioms.s

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