Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcompiler_rt/ffsdi2.c	Lines:	0	6	0.0 %
Date:	2017-11-13	Branches:	0	4	0.0 %


/* ===-- ffsdi2.c - Implement __ffsdi2 -------------------------------------===
 *
 *                     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 __ffsdi2 for the compiler_rt library.
 *
 * ===----------------------------------------------------------------------===
 */

#include "int_lib.h"

/* Returns: the index of the least significant 1-bit in a, or
 * the value zero if a is zero. The least significant bit is index one.
 */

COMPILER_RT_ABI si_int
__ffsdi2(di_int a)
{
    dwords x;
    x.all = a;
    if (x.s.low == 0)
    {
        if (x.s.high == 0)
            return 0;
        return __builtin_ctz(x.s.high) + (1 + sizeof(si_int) * CHAR_BIT);
    }
    return __builtin_ctz(x.s.low) + 1;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* ===-- ffsdi2.c - Implement __ffsdi2 -------------------------------------===
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 __ffsdi2 for the compiler_rt library.
11			*
12			* ===----------------------------------------------------------------------===
13			*/
14
15			#include "int_lib.h"
16
17			/* Returns: the index of the least significant 1-bit in a, or
18			* the value zero if a is zero. The least significant bit is index one.
19			*/
20
21			COMPILER_RT_ABI si_int
22			__ffsdi2(di_int a)
23			{
24			dwords x;
25			x.all = a;
26			if (x.s.low == 0)
27			{
28			if (x.s.high == 0)
29			return 0;
30			return __builtin_ctz(x.s.high) + (1 + sizeof(si_int) * CHAR_BIT);
31			}
32			return __builtin_ctz(x.s.low) + 1;
33			}