GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcompiler_rt/subvsi3.c Lines: 0 7 0.0 %
Date: 2017-11-13 Branches: 0 6 0.0 %

Line Branch Exec Source
1
/* ===-- subvsi3.c - Implement __subvsi3 -----------------------------------===
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 __subvsi3 for the compiler_rt library.
11
 *
12
 * ===----------------------------------------------------------------------===
13
 */
14
15
#include "int_lib.h"
16
17
/* Returns: a - b */
18
19
/* Effects: aborts if a - b overflows */
20
21
COMPILER_RT_ABI si_int
22
__subvsi3(si_int a, si_int b)
23
{
24
    si_int s = (su_int) a - (su_int) b;
25
    if (b >= 0)
26
    {
27
        if (s > a)
28
            compilerrt_abort();
29
    }
30
    else
31
    {
32
        if (s <= a)
33
            compilerrt_abort();
34
    }
35
    return s;
36
}