1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/s_isnan.S b/sysdeps/ia64/fpu/s_isnan.S
new file mode 100644
index 0000000..a0ed354
--- /dev/null
+++ b/sysdeps/ia64/fpu/s_isnan.S
@@ -0,0 +1,47 @@
+/* Test for NaN
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <jes@linuxcare.com>, October 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.  */
+
+/*
+ * isnan(x) returns 1 is x is nan, else 0;
+ */
+
+#include <sysdep.h>
+#undef ret
+
+ENTRY (__isnan)
+{
+.mfi
+	fclass.m p6, p7 = farg0, @nat | @qnan | @snan
+	;;
+}
+{
+.mib
+(p6)	mov ret0 = 1
+(p7)	mov ret0 = 0
+	br.ret.sptk.many rp
+}	
+END (__isnan)
+
+strong_alias (__isnan, __isnanf)
+strong_alias (__isnan, __isnanl)
+
+weak_alias (__isnan, isnan)
+weak_alias (__isnanf, isnanf)
+weak_alias (__isnanl, isnanl)