* sysdeps/m68k/fpu/fegetexcept.c: New file. * sysdeps/m68k/fpu/fedisblxcpt.c: New...

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.

diff --git a/ChangeLog b/ChangeLog
index f8e2d23..0957f32 100644 (file)
--- 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 (file)
index 0000000..ad97e86
--- /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 (file)
index 0000000..7be0705
--- /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 (file)
index 0000000..03b8735
--- /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;
+}