1 /* ===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------===
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 __ucmpti2 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 
24 COMPILER_RT_ABI si_int
__ucmpti2(tu_int a,tu_int b)25 __ucmpti2(tu_int a, tu_int b)
26 {
27     utwords x;
28     x.all = a;
29     utwords 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