| //===-- Implementation of the sqrt function for x86_64 --------------------===// |
| // |
| // 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/sqrt.h" |
| #include "src/__support/common.h" |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(double, sqrt, (double x)) { |
| double result; |
| __asm__ __volatile__("sqrtsd %x1, %x0" : "=x"(result) : "x"(x)); |
| return result; |
| } |
| |
| } // namespace __llvm_libc |
