[PATCH] D51101: [ARM] Add smlald support in ARMParallelDSP

Sam Parker via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 22 07:52:48 PDT 2018


samparker updated this revision to Diff 161958.
samparker added a comment.

Hi Sjoerd,

On looking at some IR generated from C, the multiplications were performed at i32 and then sext to i64. So I've now added those patterns to MatchParallelMACSequences. This has required an interface change to AddMACCandidiate because of the need to look through the sext to get to the mul.


https://reviews.llvm.org/D51101

Files:
  lib/Target/ARM/ARMParallelDSP.cpp
  test/CodeGen/ARM/smlald0.ll
  test/CodeGen/ARM/smlald1.ll
  test/CodeGen/ARM/smlald2.ll

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