Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / libc / src / fenv / feupdateenv.cpp
blob7e81b9476da91b281cde208806fb3baa409b54e8
1 //===-- Implementation of feupdateenv function ----------------------------===//
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 //===----------------------------------------------------------------------===//
9 #include "src/fenv/feupdateenv.h"
10 #include "src/__support/FPUtil/FEnvImpl.h"
11 #include "src/__support/common.h"
13 #include <fenv.h>
15 namespace LIBC_NAMESPACE {
17 LLVM_LIBC_FUNCTION(int, feupdateenv, (const fenv_t *envp)) {
18 int current_excepts = fputil::test_except(FE_ALL_EXCEPT);
19 if (fputil::set_env(envp) != 0)
20 return -1;
21 return fputil::raise_except(current_excepts);
24 } // namespace LIBC_NAMESPACE