Function llvmint::x86::avx512_cvtsi2sd64

pub unsafe extern "C" fn avx512_cvtsi2sd64(a: f64x2, b: i64, c: i32) -> f64x2

The llvm.x86.avx512.cvtsi2sd64 intrinsic; known as __builtin_ia32_cvtsi2sd64 in GCC.