Add optimized copysign for sparc.

	* sysdeps/sparc/sparc32/fpu/s_copysign.S: New file.
	* sysdeps/sparc/sparc32/fpu/s_copysignf.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_copysign.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_copysignf.S: New file.

4 files changed, 124 insertions, 0 deletions

diff --git a/sysdeps/sparc/sparc32/fpu/s_copysign.S b/sysdeps/sparc/sparc32/fpu/s_copysign.S
new file mode 100644
index 0000000000..18c44c5d3c
--- /dev/null
+++ b/sysdeps/sparc/sparc32/fpu/s_copysign.S
@@ -0,0 +1,31 @@
+/* copysign function, sparc32 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
+	and	%o2, %g1, %o4
+	andn	%o0, %g1, %o0
+	or	%o0, %o4, %o0
+	std	%o0, [%sp + 72]
+	retl
+	 ldd	[%sp + 72], %f0
+END (__copysign)
+weak_alias (__copysign, copysign)
\ No newline at end of file
diff --git a/sysdeps/sparc/sparc32/fpu/s_copysignf.S b/sysdeps/sparc/sparc32/fpu/s_copysignf.S
new file mode 100644
index 0000000000..7753c35e87
--- /dev/null
+++ b/sysdeps/sparc/sparc32/fpu/s_copysignf.S
@@ -0,0 +1,31 @@
+/* float copysign function, sparc32 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 (__copysignf)
+	sethi	%hi(0x80000000), %g1
+	and	%o1, %g1, %o4
+	andn	%o0, %g1, %o0
+	or	%o0, %o4, %o0
+	st	%o0, [%sp + 68]
+	retl
+	 ld	[%sp + 68], %f0
+END (__copysignf)
+weak_alias (__copysignf, copysignf)
\ No newline at end of file
diff --git a/sysdeps/sparc/sparc64/fpu/s_copysign.S b/sysdeps/sparc/sparc64/fpu/s_copysign.S
new file mode 100644
index 0000000000..571f57cbdc
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_copysign.S
@@ -0,0 +1,31 @@
+/* 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
diff --git a/sysdeps/sparc/sparc64/fpu/s_copysignf.S b/sysdeps/sparc/sparc64/fpu/s_copysignf.S
new file mode 100644
index 0000000000..db6a384c60
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_copysignf.S
@@ -0,0 +1,31 @@
+/* float 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 (__copysignf)
+	sethi	%hi(0x80000000), %g1
+	st	%g1, [%sp + STACK_BIAS + 128]
+	ld	[%sp + STACK_BIAS + 128], %f7
+	fands	%f3, %f7, %f9
+	fandnot2s %f1, %f7, %f1
+	retl
+	 fors	%f1, %f9, %f0
+END (__copysignf)
+weak_alias (__copysignf, copysignf)
\ No newline at end of file