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authorGeoff Keating <geoffk@cygnus.com>2000-08-28 05:59:48 +0000
committerGeoff Keating <geoffk@cygnus.com>2000-08-28 05:59:48 +0000
commite4df97b85c03a5058cf93df74d336d38d506484b (patch)
treec7fadd5179f3a7bfb185806a43de783f88ad0fff /sysdeps/powerpc/fpu/fegetexcept.c
parentcf365734e59f708b1610815196ee2303174308cf (diff)
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* sysdeps/powerpc/fpu/fedisblxcpt.c: New file.
* sysdeps/powerpc/fpu/feenablxcpt.c: New file. 
* sysdeps/powerpc/fpu/fegetexcept.c: New file. 
* sysdeps/unix/sysv/linux/powerpc/fe_nomask.c: New file.
2000-08-27  Geoff Keating  <geoffk@cygnus.com>

	* sysdeps/powerpc/fpu/fedisblxcpt.c: New file.
	* sysdeps/powerpc/fpu/feenablxcpt.c: New file.
	* sysdeps/powerpc/fpu/fegetexcept.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/fe_nomask.c: New file.
Diffstat (limited to 'sysdeps/powerpc/fpu/fegetexcept.c')
-rw-r--r--sysdeps/powerpc/fpu/fegetexcept.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/fegetexcept.c b/sysdeps/powerpc/fpu/fegetexcept.c
new file mode 100644
index 0000000000..13699b517f
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fegetexcept.c
@@ -0,0 +1,43 @@
+/* Get floating-point exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Geoffrey Keating <geoffk@geoffk.org>, 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_libc.h>
+
+int
+fegetexcept (void)
+{
+  fenv_union_t fe;
+  int result = 0;
+
+  fe.fenv = fegetenv_register ();
+ 
+  if (fe.l[1] & (1 << (31 - FPSCR_XE)))
+      result |= FE_INEXACT;
+  if (fe.l[1] & (1 << (31 - FPSCR_ZE)))
+      result |= FE_DIVBYZERO;
+  if (fe.l[1] & (1 << (31 - FPSCR_UE)))
+      result |= FE_UNDERFLOW;
+  if (fe.l[1] & (1 << (31 - FPSCR_OE)))
+      result |= FE_OVERFLOW;
+  if (fe.l[1] & (1 << (31 - FPSCR_VE)))
+      result |= FE_INVALID;
+
+  return result;
+}