//===-- absvti2.c - Implement __absvdi2 -----------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements __absvti2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//

#if __x86_64

#include "int_lib.h"
#include <stdlib.h>

// Returns: absolute value

// Effects: aborts if abs(x) < 0

ti_int
__absvti2(ti_int a)
{
    const int N = (int)(sizeof(ti_int) * CHAR_BIT);
    if (a == ((ti_int)1 << (N-1)))
        abort();
    const ti_int s = a >> (N - 1);
    return (a ^ s) - s;
}

#endif