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-rw-r--r--sysdeps/hppa/fpu/ftestexcept.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/hppa/fpu/ftestexcept.c b/sysdeps/hppa/fpu/ftestexcept.c
new file mode 100644
index 0000000000..54c0e28483
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+++ b/sysdeps/hppa/fpu/ftestexcept.c
@@ -0,0 +1,34 @@
+/* Test exception in current environment.
+   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Huggins-Daines <dhd@debian.org>, 2000
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <fenv.h>
+
+int
+fetestexcept (int excepts)
+{
+  union { unsigned long long l; unsigned int sw[2] } s;
+
+  /* Get the current status word. */
+  __asm__ ("fstd %%fr0,0(%1)	\n\t"
+           "fldd 0(%1),%%fr0	\n\t"
+	   : "=m" (s.l) : "r" (&s.l));
+
+  return (s.sw[0] >> 27) & excepts & FE_ALL_EXCEPT;
+}
+libm_hidden_def (fetestexcept)