[PATCH] D108558: [AArch64][SVE] Teach cost model masked gathers/scatters are cheap

Matt Devereau via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 23 07:39:50 PDT 2021


MattDevereau created this revision.
MattDevereau added reviewers: peterwaller-arm, paulwalker-arm.
Herald added subscribers: ctetreau, psnobl, hiraditya, kristof.beyls, tschuett.
Herald added a reviewer: efriedma.
MattDevereau requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Make fixed SVE masked gathers/scatters cheaper compared to scalarized ones


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108558

Files:
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/AArch64/sve-gather-vls.ll
  llvm/test/Analysis/CostModel/AArch64/sve-scatter-vls.ll

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