1 files changed, 40 insertions, 0 deletions
diff --git a/libm/nds32/ftestexcept.c b/libm/nds32/ftestexcept.c
new file mode 100644
index 000000000..8257b6f45
--- /dev/null
+++ b/libm/nds32/ftestexcept.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2016-2017 Andes Technology, Inc.
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/* Test exception in current environment.
+   Copyright (C) 1997-2013 Free Software Foundation, Inc.
+
+   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>
+#include <fpu_control.h>
+
+int
+fetestexcept (int excepts)
+{
+#ifdef __NDS32_ABI_2FP_PLUS__
+	fexcept_t temp;
+
+	/* Get current exceptions.  */
+	_FPU_GETCW(temp);
+
+	return temp & excepts & FE_ALL_EXCEPT;
+#else
+	/* Unsupported, return 0.  */
+	return 0;
+#endif
+}