GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcompiler_rt/absvti2.c Lines: 0 4 0.0 %
Date: 2017-11-07 Branches: 0 2 0.0 %

Line Branch Exec Source
1
/* ===-- absvti2.c - Implement __absvdi2 -----------------------------------===
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 __absvti2 for the compiler_rt library.
11
 *
12
 * ===----------------------------------------------------------------------===
13
 */
14
15
#include "int_lib.h"
16
17
#ifdef CRT_HAS_128BIT
18
19
/* Returns: absolute value */
20
21
/* Effects: aborts if abs(x) < 0 */
22
23
COMPILER_RT_ABI ti_int
24
__absvti2(ti_int a)
25
{
26
    const int N = (int)(sizeof(ti_int) * CHAR_BIT);
27
    if (a == ((ti_int)1 << (N-1)))
28
        compilerrt_abort();
29
    const ti_int s = a >> (N - 1);
30
    return (a ^ s) - s;
31
}
32
33
#endif /* CRT_HAS_128BIT */
34