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- /* Store current floating-point environment and clear exceptions.
- Copyright (C) 2013 Imagination Technologies Ltd.
- 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; see the file COPYING.LIB. If
- not, see <http://www.gnu.org/licenses/>. */
- #include <fenv.h>
- #include <unistd.h>
- #include "internal.h"
- int
- feholdexcept (fenv_t *envp)
- {
- unsigned int txdefr;
- unsigned int txmode;
- __asm__ ("MOV %0,TXDEFR" : "=r" (txdefr));
- __asm__ ("MOV %0,TXMODE" : "=r" (txmode));
- envp->txdefr = txdefr;
- envp->txmode = txmode;
- metag_set_fpu_flags(0);
- return 0;
- }
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