Optimize fdim/fdimf on sparc.

	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
	fdim/fdimf to libm-sysdep_routines.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S: New
	file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S: New
	file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S: New file.
	* sysdeps/sparc/sparc32/fpu/s_fdim.S: New file.
	* sysdeps/sparc/sparc32/fpu/s_fdimf.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_fdim.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_fdimf.S: New file.

2 files changed, 76 insertions, 0 deletions

diff --git a/sysdeps/sparc/sparc32/fpu/s_fdim.S b/sysdeps/sparc/sparc32/fpu/s_fdim.S
new file mode 100644
index 0000000000..2f0c5ce583
--- /dev/null
+++ b/sysdeps/sparc/sparc32/fpu/s_fdim.S
@@ -0,0 +1,41 @@
+/* Compute positive difference, sparc 32-bit.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>.
+
+   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>
+#include <math_ldbl_opt.h>
+
+ENTRY(__fdim)
+	std	%o0, [%sp + 72]
+	std	%o2, [%sp + 80]
+	ldd	[%sp + 72], %f0
+	ldd	[%sp + 80], %f2
+	fcmpd	%f0, %f2
+	st	%g0, [%sp + 72]
+	fbug	1f
+	 st	%g0, [%sp + 76]
+	ldd	[%sp + 72], %f0
+	fnegd	%f0, %f2
+1:	retl
+	 fsubd	%f0, %f2, %f0
+END(__fdim)
+weak_alias (__fdim, fdim)
+
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
+#endif
diff --git a/sysdeps/sparc/sparc32/fpu/s_fdimf.S b/sysdeps/sparc/sparc32/fpu/s_fdimf.S
new file mode 100644
index 0000000000..570fdc30be
--- /dev/null
+++ b/sysdeps/sparc/sparc32/fpu/s_fdimf.S
@@ -0,0 +1,35 @@
+/* Compute positive difference, sparc 32-bit.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>.
+
+   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(__fdimf)
+	st	%o0, [%sp + 72]
+	st	%o1, [%sp + 76]
+	ld	[%sp + 72], %f0
+	ld	[%sp + 76], %f1
+	fcmps	%f0, %f1
+	fbug	1f
+	 st	%g0, [%sp + 72]
+	ld	[%sp + 72], %f0
+	fnegs	%f0, %f1
+1:	retl
+	 fsubs	%f0, %f1, %f0
+END(__fdimf)
+weak_alias (__fdimf, fdimf)