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/* Internal ieee754r function prototypes used by libdfp
for generic targets
Copyright (C) 2019 Free Software Foundation, Inc.
This file is part of the Decimal Floating Point C Library.
The Decimal Floating Point C Library is free software; you can
redistribute it and/or modify it under the terms of the GNU Lesser
General Public License version 2.1.
The Decimal Floating Point 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 version 2.1 for more details.
You should have received a copy of the GNU Lesser General Public
License version 2.1 along with the Decimal Floating Point C Library;
if not, write to the Free Software Foundation, Inc., 51 Franklin
Street, Fifth Floor, Boston, MA 02110-1301 USA.
Please see dfp/COPYING.txt for more information. */
#ifndef _DFP_INLINE_H
#define _DFP_INLINE_H
#include <dfpfenv_private.h>
#ifndef SET_RESTORE_DROUND
struct _rnd_state
{
int changed;
int old_mode;
};
static inline __attribute__((always_inline)) void
__restore_rnd (struct _rnd_state *state)
{
if (state->changed)
__fe_dec_setround (state->old_mode);
}
#define SET_RESTORE_DROUND_GENERIC(mode) \
struct _rnd_state __rnd __attribute__ ((__cleanup__ (__restore_rnd))) = \
{ 0, __fe_dec_getround () }; \
if (__rnd.old_mode != (mode)) \
{ \
__rnd.changed = 1; \
__fe_dec_setround (mode); \
}
#define SET_RESTORE_DROUND SET_RESTORE_DROUND_GENERIC
#endif
#endif
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