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* sysdeps/arm/fpu/feenablxcpt.c: New file.
	* sysdeps/arm/fpu/fedisablxcpt.c: New file.
	* sysdeps/arm/fpu/fegetexcpt.c: New file.

2001-04-22  Philip Blundell  <philb@gnu.org>
This commit is contained in:
Ulrich Drepper 2001-04-22 14:33:16 +00:00
parent e661fdf267
commit e17e51b4da
4 changed files with 118 additions and 0 deletions
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6
ChangeLog
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2001-04-22 Philip Blundell <philb@gnu.org>
* sysdeps/arm/fpu/feenablxcpt.c: New file.
* sysdeps/arm/fpu/fedisablxcpt.c: New file.
* sysdeps/arm/fpu/fegetexcpt.c: New file.
2001-04-22 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/sys/user.h (struct user_fpregs):

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sysdeps/arm/fpu/fedisblxcpt.c Normal file
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/* Disable floating-point exceptions.
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001.
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
fedisableexcept (int excepts)
{
unsigned long int new_exc, old_exc;
_FPU_GETCW(new_exc);
old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
excepts &= FE_ALL_EXCEPT;
new_exc &= ~(excepts << FE_EXCEPT_SHIFT);
_FPU_SETCW(new_exc);
return old_exc;
}

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sysdeps/arm/fpu/feenablxcpt.c Normal file
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/* Enable floating-point exceptions.
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001.
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
feenableexcept (int excepts)
{
unsigned long int new_exc, old_exc;
_FPU_GETCW(new_exc);
old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
excepts &= FE_ALL_EXCEPT;
new_exc |= (excepts << FE_EXCEPT_SHIFT);
_FPU_SETCW(new_exc);
return old_exc;
}

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sysdeps/arm/fpu/fegetexcept.c Normal file
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/* Get floating-point exceptions.
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001
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
fegetexcept (void)
{
unsigned long temp;
_FPU_GETCW (temp);
return (temp >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
}