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/* ===-- negvsi2.c - Implement __negvsi2 -----------------------------------===
*
* 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 __negvsi2 for the compiler_rt library.
*
* ===----------------------------------------------------------------------===
*/
#include "int_lib.h"
/* Returns: -a */
/* Effects: aborts if -a overflows */
COMPILER_RT_ABI si_int __negvsi2(si_int a) {
const si_int MIN = (si_int)1 << ((int)(sizeof(si_int) * CHAR_BIT) - 1);
if (a == MIN)
compilerrt_abort();
return -a;
}
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