1//===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements __ucmpti2 for the compiler_rt library.
10//
11//===----------------------------------------------------------------------===//
12
13#include "int_lib.h"
14
15#ifdef CRT_HAS_128BIT
16
17// Returns: if (a < b) returns 0
18// if (a == b) returns 1
19// if (a > b) returns 2
20
21COMPILER_RT_ABI si_int __ucmpti2(tu_int a, tu_int b) {
22 utwords x;
23 x.all = a;
24 utwords y;
25 y.all = b;
26 if (x.s.high < y.s.high)
27 return 0;
28 if (x.s.high > y.s.high)
29 return 2;
30 if (x.s.low < y.s.low)
31 return 0;
32 if (x.s.low > y.s.low)
33 return 2;
34 return 1;
35}
36
37#endif // CRT_HAS_128BIT
38

source code of compiler-rt/lib/builtins/ucmpti2.c