[PATCH] D155484: [AArch64] Funnel Shift Lowering

Tuan Chuong Goh via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 17 09:25:08 PDT 2023


chuongg3 updated this revision to Diff 541087.
chuongg3 retitled this revision from "[AArch64] SelectionDAG Funnel Shift Lowering" to "[AArch64] Funnel Shift Lowering".
chuongg3 edited the summary of this revision.
chuongg3 added a comment.

GlobalISel:
Does not lower FSHR if the amount of shifts is a constant.
Lowers FSHL to FSHR instead of EXTR.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155484/new/

https://reviews.llvm.org/D155484

Files:
  llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
  llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
  llvm/test/CodeGen/AArch64/funnel-shift.ll

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