mirror of
https://github.com/llvm/llvm-project.git
synced 2025-05-02 14:16:07 +00:00
0ba22f51d1
Use the uniform single line C++/99 style for code comments. This is part of the cleanup proposed in "[RFC] compiler-rt builtins cleanup and refactoring". Differential Revision: https://reviews.llvm.org/D60352 llvm-svn: 359411
29 lines
817 B
C
29 lines
817 B
C
//===-- negvti2.c - Implement __negvti2 -----------------------------------===//
|
|
//
|
|
// 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 __negvti2 for the compiler_rt library.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "int_lib.h"
|
|
|
|
#ifdef CRT_HAS_128BIT
|
|
|
|
// Returns: -a
|
|
|
|
// Effects: aborts if -a overflows
|
|
|
|
COMPILER_RT_ABI ti_int __negvti2(ti_int a) {
|
|
const ti_int MIN = (ti_int)1 << ((int)(sizeof(ti_int) * CHAR_BIT) - 1);
|
|
if (a == MIN)
|
|
compilerrt_abort();
|
|
return -a;
|
|
}
|
|
|
|
#endif // CRT_HAS_128BIT
|