[all-commits] [llvm/llvm-project] 6a0564: [X86] Improve v4i32->v4f64 uint_to_fp for AVX1/AVX...

[topperc via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6a0564adcfe65956cb1099e8ec6c4801655007c4
      https://github.com/llvm/llvm-project/commit/6a0564adcfe65956cb1099e8ec6c4801655007c4
  Author: Craig Topper <craig.topper at intel.com>
  Date:   2020-01-06 (Mon, 06 Jan 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
    M llvm/test/CodeGen/X86/vec_int_to_fp.ll
    M llvm/test/CodeGen/X86/vec_uint_to_fp.ll
    M llvm/test/CodeGen/X86/vector-constrained-fp-intrinsics.ll

  Log Message:
  -----------
  [X86] Improve v4i32->v4f64 uint_to_fp for AVX1/AVX2 targets.

Use zext+or+fsub to do the conversion. Similar to D71971.

Differential Revision: https://reviews.llvm.org/D71971