[PATCH] D99339: [MCA] Support carry-over instructions for in-order processors

Andrew Savonichev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Mar 25 07:19:20 PDT 2021


asavonic created this revision.
asavonic added reviewers: andreadb, foad.
Herald added subscribers: kerbowa, gbedwell, hiraditya, nhaehnle, jvesely.
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Instructions that have more uops than the processor's IssueWidth are
issued in multiple cycles.

The patch fixes PR49712.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99339

Files:
  llvm/include/llvm/MCA/Stages/InOrderIssueStage.h
  llvm/lib/MCA/Stages/InOrderIssueStage.cpp
  llvm/test/tools/llvm-mca/AArch64/Cortex/A53-carry-over.s
  llvm/test/tools/llvm-mca/AMDGPU/gfx10-double.s

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