Function llvmint::x86::avx512_ptestm_b_512

pub unsafe extern "C" fn avx512_ptestm_b_512(a: i8x64, b: i8x64, c: i64) -> i64

The llvm.x86.avx512.ptestm.b.512 intrinsic; known as __builtin_ia32_ptestmb512 in GCC.