Function llvmint::x86::avx512_cvtusi642ss

pub unsafe extern "C" fn avx512_cvtusi642ss(a: f32x4, b: i64, c: i32) -> f32x4

The llvm.x86.avx512.cvtusi642ss intrinsic; known as __builtin_ia32_cvtusi2ss64 in GCC.