[PATCH] D30044: [ARM] Enable SMLAL[B|T] instruction selection

[Sam Parker via Phabricator via llvm-commits]

samparker updated this revision to Diff 89096.
samparker added a comment.

Now use ComputeNumSignBits for bottom 16-bit checking, after checking for the special case of sra, and renamed the function appropriately.


https://reviews.llvm.org/D30044

Files:
  lib/Target/ARM/ARMISelDAGToDAG.cpp
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  lib/Target/ARM/ARMInstrInfo.td
  lib/Target/ARM/ARMInstrThumb2.td
  lib/Target/ARM/ARMPatternHelpers.cpp
  lib/Target/ARM/ARMPatternHelpers.h
  lib/Target/ARM/CMakeLists.txt
  test/CodeGen/ARM/longMAC.ll

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