1 //===-- negdi2.c - Implement __negdi2 -------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements __negdi2 for the compiler_rt library.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "int_lib.h"
14
15 // Returns: -a
16
__negdi2(di_int a)17 COMPILER_RT_ABI di_int __negdi2(di_int a) {
18 // Note: this routine is here for API compatibility; any sane compiler
19 // should expand it inline.
20 return -(du_int)a;
21 }
22