minix/sys/external/bsd/compiler_rt/dist/lib/negvti2.c
Lionel Sambuc 4684ddb6aa LLVM Minix changes
- import libcxx
 - reduce targets to the one when compiled as a tools

Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
2014-07-28 17:05:59 +02:00

32 lines
772 B
C

/*===-- negvti2.c - Implement __negvti2 -----------------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is dual licensed under the MIT and the University of Illinois Open
* Source Licenses. See LICENSE.TXT for details.
*
*===----------------------------------------------------------------------===
*
*This file implements __negvti2 for the compiler_rt library.
*
*===----------------------------------------------------------------------===
*/
#include "int_lib.h"
#if __x86_64
/* 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