[all-commits] [llvm/llvm-project] 6b86b4: [AArch64] Use tbl for truncating vector FPtoUI con...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6b86b481e3d0d3f60f2e515e81629b52c276fc81
      https://github.com/llvm/llvm-project/commit/6b86b481e3d0d3f60f2e515e81629b52c276fc81
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2022-09-16 (Fri, 16 Sep 2022)

  Changed paths:
    M llvm/lib/CodeGen/CodeGenPrepare.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/fp-conversion-to-tbl.ll

  Log Message:
  -----------
  [AArch64] Use tbl for truncating vector FPtoUI conversions.

On AArch64, doing the vector truncate separately after the fptoui
conversion can be lowered more efficiently using tbl.4, building on
D133495.

https://alive2.llvm.org/ce/z/T538CC

Depends on D133495

Reviewed By: t.p.northover

Differential Revision: https://reviews.llvm.org/D133496