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authorUlrich Drepper <drepper@redhat.com>2001-04-22 14:33:16 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-22 14:33:16 +0000
commite17e51b4dac7c359049a915d380c4793231e0eda (patch)
tree97b1f924d9de1509cf2cff0d5ab89e8b7eb7df1d /sysdeps/arm/fpu
parente661fdf2677bc45fa845da1c4c708d1ce56110e5 (diff)
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Update.
	* 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>
Diffstat (limited to 'sysdeps/arm/fpu')
-rw-r--r--sysdeps/arm/fpu/fedisblxcpt.c40
-rw-r--r--sysdeps/arm/fpu/feenablxcpt.c40
-rw-r--r--sysdeps/arm/fpu/fegetexcept.c32
3 files changed, 112 insertions, 0 deletions
diff --git a/sysdeps/arm/fpu/fedisblxcpt.c b/sysdeps/arm/fpu/fedisblxcpt.c
new file mode 100644
index 0000000000..e41bd52ed7
--- /dev/null
+++ b/sysdeps/arm/fpu/fedisblxcpt.c
@@ -0,0 +1,40 @@
+/* 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;
+}
diff --git a/sysdeps/arm/fpu/feenablxcpt.c b/sysdeps/arm/fpu/feenablxcpt.c
new file mode 100644
index 0000000000..24c4363b24
--- /dev/null
+++ b/sysdeps/arm/fpu/feenablxcpt.c
@@ -0,0 +1,40 @@
+/* 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;
+}
diff --git a/sysdeps/arm/fpu/fegetexcept.c b/sysdeps/arm/fpu/fegetexcept.c
new file mode 100644
index 0000000000..eda7b6ddcc
--- /dev/null
+++ b/sysdeps/arm/fpu/fegetexcept.c
@@ -0,0 +1,32 @@
+/* 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;
+}