GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcompiler_rt/moddi3.c Lines: 0 7 0.0 %
Date: 2017-11-07 Branches: 0 0 0.0 %

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/*===-- moddi3.c - Implement __moddi3 -------------------------------------===
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 *
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 *                    The LLVM Compiler Infrastructure
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 *
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 * This file is dual licensed under the MIT and the University of Illinois Open
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 * Source Licenses. See LICENSE.TXT for details.
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 *
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 * ===----------------------------------------------------------------------===
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 *
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 * This file implements __moddi3 for the compiler_rt library.
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 *
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 * ===----------------------------------------------------------------------===
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 */
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#include "int_lib.h"
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/* Returns: a % b */
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COMPILER_RT_ABI di_int
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__moddi3(di_int a, di_int b)
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{
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    const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1;
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    di_int s = b >> bits_in_dword_m1;  /* s = b < 0 ? -1 : 0 */
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    b = (b ^ s) - s;                   /* negate if s == -1 */
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    s = a >> bits_in_dword_m1;         /* s = a < 0 ? -1 : 0 */
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    a = (a ^ s) - s;                   /* negate if s == -1 */
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    du_int r;
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    __udivmoddi4(a, b, &r);
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    return ((di_int)r ^ s) - s;                /* negate if s == -1 */
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}