diff options
Diffstat (limited to 'libm/sparc/fesetenv.c')
-rw-r--r-- | libm/sparc/fesetenv.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libm/sparc/fesetenv.c b/libm/sparc/fesetenv.c new file mode 100644 index 000000000..d6f3dc5f5 --- /dev/null +++ b/libm/sparc/fesetenv.c @@ -0,0 +1,45 @@ +/* Install given floating-point environment. + Copyright (C) 1997-2025 Free Software Foundation, Inc. + + 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/>. */ + +#include <fenv.h> +#include "fenv_private.h" + +int +fesetenv (const fenv_t *envp) +{ + fenv_t dummy; + + /* Put these constants in memory explicitly, so as to cope with a + -fPIC bug as of gcc 970624. Making them automatic is quicker + than loading up the pic register in this instance. */ + + if (envp == FE_DFL_ENV) + { + dummy = 0; + envp = &dummy; + } + else if (envp == FE_NOMASK_ENV) + { + dummy = 0x1f << 23; + envp = &dummy; + } + + __fenv_ldfsr (*envp); + + /* Success. */ + return 0; +} |