Function llvmint::x86::avx512_mask_vfmadd_ps_256

pub unsafe extern "C" fn avx512_mask_vfmadd_ps_256(
    a: f32x8, 
    b: f32x8, 
    c: f32x8, 
    d: i8
) -> f32x8

The llvm.x86.avx512.mask.vfmadd.ps.256 intrinsic; known as __builtin_ia32_vfmaddps256_mask in GCC.