aboutsummaryrefslogtreecommitdiff
path: root/libc/src/math/aarch64/ceil.cpp
blob: 81cd95078efee4e56603f0c59a54c52b5ff4da51 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
//===-- Implementation of the ceil function for aarch64 -------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "src/math/ceil.h"
#include "src/__support/common.h"

namespace LIBC_NAMESPACE {

LLVM_LIBC_FUNCTION(double, ceil, (double x)) {
  double y;
  __asm__ __volatile__("frintp %d0, %d1\n\t" : "=w"(y) : "w"(x));
  return y;
}

} // namespace LIBC_NAMESPACE