[PATCH] D71945: [X86] Potential improvement for v2i32->v2f64 uint_to_fp

[Craig Topper via Phabricator via llvm-commits]

craig.topper marked an inline comment as done.
craig.topper added inline comments.


================
Comment at: llvm/test/CodeGen/X86/vec_int_to_fp.ll:1038
 ; AVX2-NEXT:    vaddpd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
 ;
----------------
RKSimon wrote:
> Would AVX1/AVX2 benefit for the v4i32-v4f64 case?
What are our options for zext v4i32->v4i64 on avx1. We don’t get the instruction until avx2


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71945/new/

https://reviews.llvm.org/D71945