//===-- addvti3.c - Implement __addvti3 -----------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // 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 = (tu_int)a + (tu_int)b; if (b >= 0) { if (s < a) compilerrt_abort(); } else { if (s >= a) compilerrt_abort(); } return s; } #endif // CRT_HAS_128BIT |