about summary refs log tree commit diff
path: root/sysdeps/s390/fpu/fedisblxcpt.c
diff options
context:
space:
mode:
authorAndreas Jaeger <aj@suse.de>2000-08-24 09:57:58 +0000
committerAndreas Jaeger <aj@suse.de>2000-08-24 09:57:58 +0000
commit0067c4cffb0081b03b15e81580469af8a8ac9050 (patch)
treebf0f951eeab7f45f0533868f01c113be013cfa08 /sysdeps/s390/fpu/fedisblxcpt.c
parent3b526f89b596f308b3a03e0dc0b00ed4673dc449 (diff)
downloadglibc-0067c4cffb0081b03b15e81580469af8a8ac9050.tar.gz
glibc-0067c4cffb0081b03b15e81580469af8a8ac9050.tar.xz
glibc-0067c4cffb0081b03b15e81580469af8a8ac9050.zip
Update.
2000-08-24  Denis Joseph Barrow    <djbarrow@de.ibm.com>

	* sysdeps/s390/fpu/fedisblxcpt.c: New file.
	* sysdeps/s390/fpu/feenablxcpt.c: New file.
	* sysdeps/s390/fpu/fegetexcept.c: New file.
	* sysdeps/s390/fpu/fenv_libc.h: Some reordering, new definition
	FPC_VALID_MASK.
Diffstat (limited to 'sysdeps/s390/fpu/fedisblxcpt.c')
-rw-r--r--sysdeps/s390/fpu/fedisblxcpt.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/s390/fpu/fedisblxcpt.c b/sysdeps/s390/fpu/fedisblxcpt.c
new file mode 100644
index 0000000000..b334c292f1
--- /dev/null
+++ b/sysdeps/s390/fpu/fedisblxcpt.c
@@ -0,0 +1,35 @@
+/* Disable floating-point exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   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_libc.h>
+#include <fpu_control.h>
+
+int
+fedisableexcept (int excepts)
+{
+  fexcept_t temp, old_exc, new_flags;
+
+  _FPU_GETCW (temp);
+  old_exc = (temp & FPC_EXCEPTION_MASK) >> FPC_EXCEPTION_MASK_SHIFT;
+  new_flags = (temp & (~((excepts & FE_ALL_EXCEPT) << FPC_EXCEPTION_MASK_SHIFT)));
+  _FPU_SETCW (new_flags);
+
+  return old_exc;
+}