aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/cxxsupp/builtins/ucmpti2.c
blob: 797c62a8a7e5d69d2e8ba4c45e186df5e6c6a3f3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/* ===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------=== 
 * 
 *                     The LLVM Compiler Infrastructure 
 * 
 * This file is dual licensed under the MIT and the University of Illinois Open 
 * Source Licenses. See LICENSE.TXT for details. 
 * 
 * ===----------------------------------------------------------------------=== 
 * 
 * This file implements __ucmpti2 for the compiler_rt library. 
 * 
 * ===----------------------------------------------------------------------=== 
 */ 
 
#include "int_lib.h" 
 
#ifdef CRT_HAS_128BIT 
 
/* Returns:  if (a <  b) returns 0 
 *           if (a == b) returns 1 
 *           if (a >  b) returns 2 
 */ 
 
COMPILER_RT_ABI si_int 
__ucmpti2(tu_int a, tu_int b) 
{ 
    utwords x; 
    x.all = a; 
    utwords y; 
    y.all = b; 
    if (x.s.high < y.s.high) 
        return 0; 
    if (x.s.high > y.s.high) 
        return 2; 
    if (x.s.low < y.s.low) 
        return 0; 
    if (x.s.low > y.s.low) 
        return 2; 
    return 1; 
} 
 
#endif /* CRT_HAS_128BIT */