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-rw-r--r--sysdeps/sparc/sparc64/fpu/s_copysign.S31
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_copysign.S b/sysdeps/sparc/sparc64/fpu/s_copysign.S
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index 0000000000..571f57cbdc
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_copysign.S
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+/* copysign function, sparc64 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+   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 (__copysign)
+	sethi	%hi(0x80000000), %g1
+	st	%g1, [%sp + STACK_BIAS + 128]
+	ld	[%sp + STACK_BIAS + 128], %f7
+	fands	%f2, %f7, %f9
+	fandnot2s %f0, %f7, %f0
+	retl
+	 fors	%f0, %f9, %f0
+END (__copysign)
+weak_alias (__copysign, copysign)
\ No newline at end of file