1/* ===-- cmpti2.c - Implement __cmpti2 -------------------------------------===
2 *
3 * The LLVM Compiler Infrastructure
4 *
5 * This file is dual licensed under the MIT and the University of Illinois Open
6 * Source Licenses. See LICENSE.TXT for details.
7 *
8 * ===----------------------------------------------------------------------===
9 *
10 * This file implements __cmpti2 for the compiler_rt library.
11 *
12 * ===----------------------------------------------------------------------===
13 */
14
15#include "int_lib.h"
16
17#ifdef CRT_HAS_128BIT
18
19/* Returns: if (a < b) returns 0
20 * if (a == b) returns 1
21 * if (a > b) returns 2
22 */
23
24COMPILER_RT_ABI si_int
25__cmpti2(ti_int a, ti_int b)
26{
27 twords x;
28 x.all = a;
29 twords y;
30 y.all = b;
31 if (x.s.high < y.s.high)
32 return 0;
33 if (x.s.high > y.s.high)
34 return 2;
35 if (x.s.low < y.s.low)
36 return 0;
37 if (x.s.low > y.s.low)
38 return 2;
39 return 1;
40}
41
42#endif /* CRT_HAS_128BIT */
43