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author | Andreas Jaeger <aj@suse.de> | 2000-06-20 13:05:21 +0000 |
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committer | Andreas Jaeger <aj@suse.de> | 2000-06-20 13:05:21 +0000 |
commit | 763f7e8ba7c381aee73e0536bb1f7732bb644ff1 (patch) | |
tree | 5baeac7db647af6425b8a9336e0a7b0a507cfbf9 /sysdeps/mips/fpu/feholdexcpt.c | |
parent | e5874a42333f64ccbd6fde6f0c1fe4a2a5279a4a (diff) | |
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* sysdeps/mips/fpu/fesetenv.c (__fesetenv): Flush fpu pipeline
first.
* sysdeps/mips/fpu/feholdexcpt.c: New file.
* sysdeps/mips/fpu/fraiseexcpt.c: New file.
Diffstat (limited to 'sysdeps/mips/fpu/feholdexcpt.c')
-rw-r--r-- | sysdeps/mips/fpu/feholdexcpt.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/mips/fpu/feholdexcpt.c b/sysdeps/mips/fpu/feholdexcpt.c new file mode 100644 index 0000000000..ab92a71e0d --- /dev/null +++ b/sysdeps/mips/fpu/feholdexcpt.c @@ -0,0 +1,38 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@suse.de>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +feholdexcept (fenv_t *envp) +{ + fpu_control_t cw; + + /* Save the current state. */ + _FPU_GETCW (cw); + envp->__fp_control_register = cw; + + /* Clear all exception enable bits and flags. */ + cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I|FE_ALL_EXCEPT); + _FPU_SETCW (cw); + + return 0; +} |