[PATCH] D75214: [MCA][WIP] Decoder stage (PR42202)

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
lebedev.ri added a project: LLVM.
Herald added subscribers: llvm-commits, gbedwell, hiraditya, mgorny.
Herald added a reviewer: andreadb.

Not sure how further i will take this, but was bored and thought i'd take a stab..

References:

- https://www.realworldtech.com/bulldozer/5/
- https://www.agner.org/optimize/microarchitecture.pdf `19.3 (bdver2)`, `18.4 (K10)`, `20.3 (ryzen)`

https://bugs.llvm.org/show_bug.cgi?id=42202


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D75214

Files:
  llvm/include/llvm/MCA/Stages/DecodeStage.h
  llvm/lib/MCA/CMakeLists.txt
  llvm/lib/MCA/Context.cpp
  llvm/lib/MCA/Stages/DecodeStage.cpp
  llvm/test/tools/llvm-mca/X86/BdVer2/clear-super-register-1.s
  llvm/test/tools/llvm-mca/X86/BdVer2/dot-product.s
  llvm/test/tools/llvm-mca/X86/BdVer2/hadd-read-after-ld-1.s
  llvm/test/tools/llvm-mca/X86/BdVer2/hadd-read-after-ld-2.s
  llvm/test/tools/llvm-mca/X86/BdVer2/instruction-info-view.s
  llvm/test/tools/llvm-mca/X86/BdVer2/pipes-fpu.s
  llvm/test/tools/llvm-mca/X86/BdVer2/store-throughput.s
  llvm/test/tools/llvm-mca/X86/BdVer2/zero-idioms-avx-256.s

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