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diff --git a/REORG.TODO/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S b/REORG.TODO/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S
new file mode 100644
index 0000000000..bce7c9795a
--- /dev/null
+++ b/REORG.TODO/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S
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+/* signbit(). sparc64 vis3 version.
+ Copyright (C) 2012-2017 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 (__signbit_vis3)
+ movdtox %f0, %o0
+ retl
+ srlx %o0, 63, %o0
+END (__signbit_vis3)