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authorDavid S. Miller <davem@davemloft.net>2012-03-15 02:13:54 -0700
committerDavid S. Miller <davem@davemloft.net>2012-03-15 02:13:54 -0700
commitf7062b9a6f8ccaeb080b6c819ceec59b77cce3c4 (patch)
treed72011561c032765833f16dbca7f5a67309cae03 /sysdeps/sparc/sparc64/fpu/s_fminf.S
parent559398ab746fd7dbbe09e847813a1b917b9ded14 (diff)
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Sparc optimized fmin{,f} and fmax{,f}.
	* sysdeps/sparc/sparc64/fpu/s_fmax.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_fmaxf.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_fmin.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_fminf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fmax.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fmaxf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fmin.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fminf.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmax.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaxf-vis3.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaxf.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmin-vis3.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmin.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fminf-vis3.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fminf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmax-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmax.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaxf-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaxf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmin-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmin.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fminf-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fminf.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Add new vis3
	fmin/fmax sysdep routines.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Likewise.
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/s_fminf.S')
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_fminf.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_fminf.S b/sysdeps/sparc/sparc64/fpu/s_fminf.S
new file mode 100644
index 0000000000..13a0ef40e1
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_fminf.S
@@ -0,0 +1,36 @@
+/* fminf 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>
+
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__fminf)
+	fcmps	%fcc1, %f3, %f3
+	fzeros	SIGN_BIT
+	fmovsu	%fcc1, %f1, %f3
+	fnegs	SIGN_BIT, SIGN_BIT
+	fcmps	%fcc2, %f1, %f3
+	fmovsug	%fcc2, %f3, %f1
+	fors	%f1, %f3, %f4
+	fands	%f4, SIGN_BIT, %f4
+	retl
+	 fors	%f1, %f4, %f0
+END (__fminf)
+weak_alias (__fminf, fminf)