[PATCH] D116363: [X86] Combine to vpdpbusd when operand is constant and small enough.

LuoYuanke via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 18 22:29:43 PST 2022


LuoYuanke updated this revision to Diff 401097.
LuoYuanke added a comment.

Shrink the constant size to 128 bits if the higher bits are zeros.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116363/new/

https://reviews.llvm.org/D116363

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86PartialReduction.cpp
  llvm/test/CodeGen/X86/dpbusd_const.ll

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