Function llvmint::x86::avx512_mask_cvtpd2ps_256

pub unsafe extern "C" fn avx512_mask_cvtpd2ps_256(
    a: f64x4, 
    b: f32x4, 
    c: i8
) -> f32x4

The llvm.x86.avx512.mask.cvtpd2ps.256 intrinsic; known as __builtin_ia32_cvtpd2ps256_mask in GCC.