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1//===--- Round floating point to nearest integer on aarch64 -----*- C++ -*-===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIBC_SRC___SUPPORT_FPUTIL_AARCH64_NEAREST_INTEGER_H10#define LLVM_LIBC_SRC___SUPPORT_FPUTIL_AARCH64_NEAREST_INTEGER_H11 12#include "src/__support/common.h"13#include "src/__support/macros/config.h"14#include "src/__support/macros/properties/architectures.h"15 16#if !defined(LIBC_TARGET_ARCH_IS_AARCH64)17#error "Invalid include"18#endif19 20namespace LIBC_NAMESPACE_DECL {21namespace fputil {22 23LIBC_INLINE float nearest_integer(float x) {24 float result;25 __asm__ __volatile__("frintn %s0, %s1\n\t" : "=w"(result) : "w"(x));26 return result;27}28 29LIBC_INLINE double nearest_integer(double x) {30 double result;31 __asm__ __volatile__("frintn %d0, %d1\n\t" : "=w"(result) : "w"(x));32 return result;33}34 35} // namespace fputil36} // namespace LIBC_NAMESPACE_DECL37 38#endif // LLVM_LIBC_SRC___SUPPORT_FPUTIL_AARCH64_NEAREST_INTEGER_H39