Function llvmint::x86::sse2_packsswb_128

pub unsafe extern "C" fn sse2_packsswb_128(a: i16x8, b: i16x8) -> i8x16

The llvm.x86.sse2.packsswb.128 intrinsic; known as __builtin_ia32_packsswb128 in GCC.