Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

41 lines
884 B
C

/* ===-- subvti3.c - Implement __subvti3 -----------------------------------===
*
* 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 __subvti3 for the compiler_rt library.
*
* ===----------------------------------------------------------------------===
*/
#include "int_lib.h"
#ifdef CRT_HAS_128BIT
/* Returns: a - b */
/* Effects: aborts if a - b overflows */
COMPILER_RT_ABI ti_int
__subvti3(ti_int a, ti_int b)
{
ti_int s = a - b;
if (b >= 0)
{
if (s > a)
compilerrt_abort();
}
else
{
if (s <= a)
compilerrt_abort();
}
return s;
}
#endif /* CRT_HAS_128BIT */