Function llvmint::x86::avx512_mask_fpclass_sd

pub unsafe extern "C" fn avx512_mask_fpclass_sd(a: f64x2, b: i32, c: i8) -> i8

The llvm.x86.avx512.mask.fpclass.sd intrinsic; known as __builtin_ia32_fpclasssd_mask in GCC.