2018-05-09 19:45:47 +00:00
|
|
|
/* Control when floating-point expressions are evaluated. PowerPC version.
|
2019-01-01 00:11:28 +00:00
|
|
|
Copyright (C) 2017-2019 Free Software Foundation, Inc.
|
2018-05-09 19:45:47 +00:00
|
|
|
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
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
|
|
|
|
#ifndef POWERPC_MATH_BARRIERS_H
|
|
|
|
#define POWERPC_MATH_BARRIERS_H 1
|
|
|
|
|
|
|
|
/* Avoid putting floating point values in memory. */
|
|
|
|
# define math_opt_barrier(x) \
|
|
|
|
({ __typeof (x) __x = (x); __asm ("" : "+dwa" (__x)); __x; })
|
|
|
|
# define math_force_eval(x) \
|
|
|
|
({ __typeof (x) __x = (x); __asm __volatile__ ("" : : "dwa" (__x)); })
|
|
|
|
|
|
|
|
#endif
|