S390 specific ftestexcept implementation.

sysdeps/s390/fpu/ftestexcept.c

@@ -0,0 +1,33 @@
+/* Test exception in current environment.
+   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
+fetestexcept (int excepts)
+{
+  fexcept_t temp;
+
+  /* Get current exceptions.  */
+  _FPU_GETCW (temp);
+  temp = (temp >> FPC_DXC_SHIFT) | (temp >> FPC_FLAGS_SHIFT);
+  return temp & excepts & FE_ALL_EXCEPT;
+}