1 | //===-- Implementation of the roundf function for aarch64 -----------------===// |
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 | #include "src/math/roundf.h" |
10 | #include "src/__support/common.h" |
11 | |
12 | namespace LIBC_NAMESPACE { |
13 | |
14 | LLVM_LIBC_FUNCTION(float, roundf, (float x)) { |
15 | float y; |
16 | __asm__ __volatile__("frinta %s0, %s1\n\t" : "=w" (y) : "w" (x)); |
17 | return y; |
18 | } |
19 | |
20 | } // namespace LIBC_NAMESPACE |
21 | |