1 //===-- Implementation of the ceil 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/ceil.h" 10 #include "src/__support/common.h" 11 12 namespace LIBC_NAMESPACE { 13 14 LLVM_LIBC_FUNCTION(double, ceil, (double x)) { 15 double y; 16 __asm__ __volatile__("frintp %d0, %d1\n\t" : "=w"(y) : "w"(x)); 17 return y; 18 } 19 20 } // namespace LIBC_NAMESPACE 21