AddFunc (module, "llvm.x86.sse2.padds.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.psubs.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.paddus.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.psubus.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.pavg.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.padds.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.psubs.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.paddus.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.psubus.b", ret_type, arg_types, 2);
AddFunc (module, "llvm.x86.sse2.pavg.b", ret_type, arg_types, 2);