[AArch64] Refactor the NEON floating-point absolute difference LLVM AArch64
intrinsic to use f32/f64 types, rather than their vector equivalents.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196965 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed