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/* Determine floating-point rounding mode within libc. Alpha version.
Copyright (C) 2012-2022 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_GET_ROUNDING_MODE_H
#define ALPHA_GET_ROUNDING_MODE_H 1
#include <fenv.h>
#include <fenv_libc.h>
/* Return the floating-point rounding mode. */
static inline int
get_rounding_mode (void)
{
unsigned long fpcr;
__asm__ __volatile__("excb; mf_fpcr %0" : "=f"(fpcr));
return (fpcr >> FPCR_ROUND_SHIFT) & 3;
}
#endif /* get-rounding-mode.h */
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