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/*===-- negvti2.c - Implement __negvti2 -----------------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*===----------------------------------------------------------------------===
*
*This file implements __negvti2 for the compiler_rt library.
*
*===----------------------------------------------------------------------===
*/
#if __x86_64
#include "int_lib.h"
#include <stdlib.h>
/* Returns: -a */
/* Effects: aborts if -a overflows */
ti_int
__negvti2(ti_int a)
{
const ti_int MIN = (ti_int)1 << ((int)(sizeof(ti_int) * CHAR_BIT)-1);
if (a == MIN)
compilerrt_abort();
return -a;
}
#endif
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