[PATCH] D108633: [AArch64] Generate smov in place of sext(fmov(...))

[Nicholas Guy via Phabricator via llvm-commits]

NickGuy created this revision.
NickGuy added reviewers: dmgreen, SjoerdMeijer, samtebbs, paulwalker-arm.
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A single smov instruction is capable of moving from a vector register while performing the sign-extend during said move, rather than each step being performed by separate instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108633

Files:
  llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
  llvm/test/CodeGen/AArch64/aarch64-smov-gen.ll

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