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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcompiler_rt/ashrdi3.c	Lines:	0	9	0.0 %
Date:	2017-11-07	Branches:	0	4	0.0 %


/*===-- ashrdi3.c - Implement __ashrdi3 -----------------------------------===
 *
 *                     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 __ashrdi3 for the compiler_rt library.
 *
 * ===----------------------------------------------------------------------===
 */

#include "int_lib.h"

/* Returns: arithmetic a >> b */

/* Precondition:  0 <= b < bits_in_dword */

ARM_EABI_FNALIAS(lasr, ashrdi3)

COMPILER_RT_ABI di_int
__ashrdi3(di_int a, si_int b)
{
    const int bits_in_word = (int)(sizeof(si_int) * CHAR_BIT);
    dwords input;
    dwords result;
    input.all = a;
    if (b & bits_in_word)  /* bits_in_word <= b < bits_in_dword */
    {
        /* result.s.high = input.s.high < 0 ? -1 : 0 */
        result.s.high = input.s.high >> (bits_in_word - 1);
        result.s.low = input.s.high >> (b - bits_in_word);
    }
    else  /* 0 <= b < bits_in_word */
    {
        if (b == 0)
            return a;
        result.s.high  = input.s.high >> b;
        result.s.low = (input.s.high << (bits_in_word - b)) | (input.s.low >> b);
    }
    return result.all;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*===-- ashrdi3.c - Implement __ashrdi3 -----------------------------------===
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 __ashrdi3 for the compiler_rt library.
11			*
12			* ===----------------------------------------------------------------------===
13			*/
14
15			#include "int_lib.h"
16
17			/* Returns: arithmetic a >> b */
18
19			/* Precondition: 0 <= b < bits_in_dword */
20
21			ARM_EABI_FNALIAS(lasr, ashrdi3)
22
23			COMPILER_RT_ABI di_int
24			__ashrdi3(di_int a, si_int b)
25			{
26			const int bits_in_word = (int)(sizeof(si_int) * CHAR_BIT);
27			dwords input;
28			dwords result;
29			input.all = a;
30			if (b & bits_in_word) /* bits_in_word <= b < bits_in_dword */
31			{
32			/* result.s.high = input.s.high < 0 ? -1 : 0 */
33			result.s.high = input.s.high >> (bits_in_word - 1);
34			result.s.low = input.s.high >> (b - bits_in_word);
35			}
36			else /* 0 <= b < bits_in_word */
37			{
38			if (b == 0)
39			return a;
40			result.s.high = input.s.high >> b;
41			result.s.low = (input.s.high << (bits_in_word - b)) \| (input.s.low >> b);
42			}
43			return result.all;
44			}