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//===-- addvti3.c - Implement __addvti3 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements __addvti3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#if __x86_64
#include "int_lib.h"
#include <stdlib.h>
// Returns: a + b
// Effects: aborts if a + b overflows
ti_int
__addvti3(ti_int a, ti_int b)
{
ti_int s = a + b;
if (b >= 0)
{
if (s < a)
abort();
}
else
{
if (s >= a)
abort();
}
return s;
}
#endif
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