| /* Determine floating-point rounding mode within libc. Alpha version. |
| Copyright (C) 2012-2014 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 |
| <http://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 */ |
