diff options
Diffstat (limited to 'REORG.TODO/sysdeps/ia64/fpu/fesetenv.c')
-rw-r--r-- | REORG.TODO/sysdeps/ia64/fpu/fesetenv.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/ia64/fpu/fesetenv.c b/REORG.TODO/sysdeps/ia64/fpu/fesetenv.c new file mode 100644 index 0000000000..261607d4b7 --- /dev/null +++ b/REORG.TODO/sysdeps/ia64/fpu/fesetenv.c @@ -0,0 +1,43 @@ +/* Install given floating-point environment. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000 + + 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/>. */ + +#include <fenv.h> + +int +__fesetenv (const fenv_t *envp) +{ + fenv_t env; + + /* + This stinks! + Magic encoding of default values: bit 62+63 set (which will never + happen for a user-space address) means it's not indirect. + */ + if (((fenv_t) envp >> 62) == 0x03) + env = (fenv_t) envp & 0x3fffffffffffffff; + else + env = *envp; + + __asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (env)); + + return 0; +} +libm_hidden_def (__fesetenv) +weak_alias (__fesetenv, fesetenv) +libm_hidden_weak (fesetenv) |