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-rw-r--r--sysdeps/sparc/sparc64/fpu/s_isnan.S33
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diff --git a/sysdeps/sparc/sparc64/fpu/s_isnan.S b/sysdeps/sparc/sparc64/fpu/s_isnan.S
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+++ b/sysdeps/sparc/sparc64/fpu/s_isnan.S
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+/* isnan().  sparc64 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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 <sysdep.h>
+
+ENTRY (__isnan)
+	std	%f0, [%sp + STACK_BIAS + 128]
+	sethi	%hi(0x7ff00000), %g1
+	ldx	[%sp + STACK_BIAS + 128], %o0
+	sllx	%g1, 32, %g1
+	sllx	%o0, 1, %o0
+	srlx	%o0, 1, %o0
+	sub	%g1, %o0, %o0
+	retl
+	 srlx	%o0, 63, %o0
+END (__isnan)
+hidden_def (__isnan)
+weak_alias (__isnan, isnan)