[PATCH] D120912: [AArch64][SVE] Convert gather/scatter with a stride of 2 to contiguous loads/stores

[Kerry McLaughlin via Phabricator via llvm-commits]

kmclaughlin updated this revision to Diff 414354.
kmclaughlin marked 7 inline comments as done.
kmclaughlin added a comment.

- Added the preferGatherScatter function to AArch64Subtarget, which checks if a gather/scatter with a given type & stride is preferable to contiguous loads/stores on the current target.
- Create new machine memory operands for the contiguous loads/stores instead of reusing the mem operand from the gather/scatter.
- Added tests for floating-point gathers & scatters, and extending & truncating gathers/scatters.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D120912/new/

https://reviews.llvm.org/D120912

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64Subtarget.cpp
  llvm/lib/Target/AArch64/AArch64Subtarget.h
  llvm/test/CodeGen/AArch64/sve-gather-scatter-to-contiguous.ll

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