1353358Sdim//===-- cmpti2.c - Implement __cmpti2 -------------------------------------===//
2353358Sdim//
3353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4353358Sdim// See https://llvm.org/LICENSE.txt for license information.
5353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6353358Sdim//
7353358Sdim//===----------------------------------------------------------------------===//
8353358Sdim//
9353358Sdim// This file implements __cmpti2 for the compiler_rt library.
10353358Sdim//
11353358Sdim//===----------------------------------------------------------------------===//
12276789Sdim
13276789Sdim#include "int_lib.h"
14276789Sdim
15276789Sdim#ifdef CRT_HAS_128BIT
16276789Sdim
17353358Sdim// Returns:  if (a <  b) returns 0
18353358Sdim//           if (a == b) returns 1
19353358Sdim//           if (a >  b) returns 2
20276789Sdim
21353358SdimCOMPILER_RT_ABI si_int __cmpti2(ti_int a, ti_int b) {
22353358Sdim  twords x;
23353358Sdim  x.all = a;
24353358Sdim  twords y;
25353358Sdim  y.all = b;
26353358Sdim  if (x.s.high < y.s.high)
27353358Sdim    return 0;
28353358Sdim  if (x.s.high > y.s.high)
29353358Sdim    return 2;
30353358Sdim  if (x.s.low < y.s.low)
31353358Sdim    return 0;
32353358Sdim  if (x.s.low > y.s.low)
33353358Sdim    return 2;
34353358Sdim  return 1;
35276789Sdim}
36276789Sdim
37353358Sdim#endif // CRT_HAS_128BIT
38