text: //===-- absvsi2.c - Implement __absvsi2 -----------------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  //
  // This file implements __absvsi2 for the compiler_rt library.
  //
  //===----------------------------------------------------------------------===//
  
  #include "int_lib.h"
  
  // Returns: absolute value
  
  // Effects: aborts if abs(x) < 0
  
  COMPILER_RT_ABI si_int __absvsi2(si_int a) {
    const int N = (int)(sizeof(si_int) * CHAR_BIT);
    if (a == (1 << (N - 1)))
      compilerrt_abort();
    const si_int t = a >> (N - 1);
    return (a ^ t) - t;
  }
  