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//===-- addvdi3.c - Implement __addvdi3 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements __addvdi3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdlib.h>
// Returns: a + b
// Effects: aborts if a + b overflows
di_int
__addvdi3(di_int a, di_int b)
{
di_int s = a + b;
if (b >= 0)
{
if (s < a)
abort();
}
else
{
if (s >= a)
abort();
}
return s;
}
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