| 12345678910111213141516171819202122232425262728 |
- /* Control when floating-point expressions are evaluated. Alpha version.
- Copyright (C) 2014-2026 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
- #ifndef ALPHA_MATH_BARRIERS_H
- #define ALPHA_MATH_BARRIERS_H 1
- /* Generic code forces values to memory; we don't need to do that. */
- #define math_opt_barrier(x) \
- ({ __typeof (x) __x = (x); __asm ("" : "+frm" (__x)); __x; })
- #define math_force_eval(x) \
- ({ __typeof (x) __x = (x); __asm __volatile__ ("" : : "frm" (__x)); })
- #endif
|
