1 /* Store current floating-point environment.
2 Copyright (C) 1997-2025 Free Software Foundation, Inc.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <fenv.h>
19
20 int
fegetenv(fenv_t * envp)21 fegetenv (fenv_t *envp)
22 {
23 #ifdef __mcoldfire__
24 __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (envp->__control_register));
25 __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (envp->__status_register));
26 __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (envp->__instruction_address));
27 #else
28 __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
29 #endif
30
31 /* Success. */
32 return 0;
33 }
34