aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/ia64/fpu/ftestexcept.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ia64/fpu/ftestexcept.c')
-rw-r--r--sysdeps/ia64/fpu/ftestexcept.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/ftestexcept.c b/sysdeps/ia64/fpu/ftestexcept.c
new file mode 100644
index 0000000..686bd90
--- /dev/null
+++ b/sysdeps/ia64/fpu/ftestexcept.c
@@ -0,0 +1,32 @@
+/* Test exception in current environment.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+ 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)
+{
+ fenv_t fpsr;
+
+ /* Get current exceptions. */
+ __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+ return (fpsr >> 13) & excepts & FE_ALL_EXCEPT;
+}
+libm_hidden_def (fetestexcept)