/* ===-- addvti3.c - Implement __addvti3 -----------------------------------=== * * 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 __addvti3 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 __addvti3(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 */