blob: 5c52b3ec2aa6087c06e4a2904fe2d2d8ff7d8875 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
//===-- negvdi2.c - Implement __negvdi2 -----------------------------------===//
//
// 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 __negvdi2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
// Returns: -a
// Effects: aborts if -a overflows
COMPILER_RT_ABI di_int __negvdi2(di_int a) {
const di_int MIN = (di_int)1 << ((int)(sizeof(di_int) * CHAR_BIT) - 1);
if (a == MIN)
compilerrt_abort();
return -a;
}
|
