diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/fedisblxcpt.c | 39 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/feenablxcpt.c | 39 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/fegetexcept.c | 32 |
4 files changed, 116 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index f8e2d23b91..0957f32b60 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2000-08-16 Andreas Schwab <schwab@suse.de> + + * sysdeps/m68k/fpu/fegetexcept.c: New file. + * sysdeps/m68k/fpu/fedisblxcpt.c: New file. + * sysdeps/m68k/fpu/feenablxcpt.c: New file. + 2000-08-15 Ulrich Drepper <drepper@redhat.com> * sysdeps/generic/ldsodefs.h: Declare _nl_nloaded. diff --git a/sysdeps/m68k/fpu/fedisblxcpt.c b/sysdeps/m68k/fpu/fedisblxcpt.c new file mode 100644 index 0000000000..ad97e86a9b --- /dev/null +++ b/sysdeps/m68k/fpu/fedisblxcpt.c @@ -0,0 +1,39 @@ +/* Disable floating-point exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@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> + +int +fedisableexcept (int excepts) +{ + unsigned int old_exc, new_exc; + + /* Get the current control register contents. */ + __asm__ ("fmove%.l %!,%0" : "=dm" (new_exc)); + + old_exc = (new_exc >> 6) & FE_ALL_EXCEPT; + + excepts &= FE_ALL_EXCEPT; + + new_exc &= ~(excepts << 6); + __asm__ ("fmove%.l %0,%!" : : "dm" (new_exc)); + + return old_exc; +} diff --git a/sysdeps/m68k/fpu/feenablxcpt.c b/sysdeps/m68k/fpu/feenablxcpt.c new file mode 100644 index 0000000000..7be0705213 --- /dev/null +++ b/sysdeps/m68k/fpu/feenablxcpt.c @@ -0,0 +1,39 @@ +/* Enable floating-point exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@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> + +int +feenableexcept (int excepts) +{ + unsigned int new_exc, old_exc; + + /* Get the current control register contents. */ + __asm__ ("fmove%.l %!,%0" : "=dm" (new_exc)); + + old_exc = (new_exc >> 6) & FE_ALL_EXCEPT; + + excepts &= FE_ALL_EXCEPT; + + new_exc |= excepts << 6; + __asm__ ("fmove%.l %0,%!" : : "dm" (new_exc)); + + return old_exc; +} diff --git a/sysdeps/m68k/fpu/fegetexcept.c b/sysdeps/m68k/fpu/fegetexcept.c new file mode 100644 index 0000000000..03b8735c11 --- /dev/null +++ b/sysdeps/m68k/fpu/fegetexcept.c @@ -0,0 +1,32 @@ +/* Get enabled floating-point exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@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> + +int +fegetexcept (void) +{ + unsigned int exc; + + /* Get the current control register contents. */ + __asm__ ("fmove%.l %!,%0" : "=dm" (exc)); + + return (exc >> 6) & FE_ALL_EXCEPT; +} |