--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/simdpack/clip_fast.c	Tue Aug 31 16:54:36 2010 +0300
@@ -0,0 +1,136 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <liboil/liboilfunction.h>
+#include "liboil/simdpack/simdpack.h"
+
+/* This is a suprisingly fast implementation of clipping
+ * in straight C.  It would be difficult to do it faster in asm
+ * without specialized opcodes. */
+
+static void
+clip_s16_fast (int16_t *dest, int dstr, int16_t *src, int sstr, int n,
+    int16_t *low, int16_t *hi)
+{
+	int i;
+	int32_t x;
+
+	for(i=0;i<n;i++){
+		x = OIL_GET(src,i*sstr, int16_t);
+		x = x - (((x-*low)>>31)&(x-*low)) + (((*hi-x)>>31)&(*hi-x));
+		OIL_GET(dest,i*dstr, int16_t) = x;
+	}
+}
+
+OIL_DEFINE_IMPL (clip_s16_fast, clip_s16);
+
+static void
+clip_s16_fast2 (int16_t *dest, int dstr, int16_t *src, int sstr, int n,
+    int16_t *low, int16_t *hi)
+{
+	int32_t x1, x2;
+
+        if (n&1) {
+		x1 = *src;
+		OIL_INCREMENT(src,sstr);
+		x1 -= (((x1-*low)>>31)&(x1-*low));
+		*dest = x1 + (((*hi-x1)>>31)&(*hi-x1));
+		OIL_INCREMENT(dest,dstr);
+		n--;
+        }
+	while(n>0){
+		x1 = *src;
+		OIL_INCREMENT(src,sstr);
+		 x2 = *src;
+		 OIL_INCREMENT(src,sstr);
+		x1 -= (((x1-*low)>>31)&(x1-*low));
+		 x2 -= (((x2-*low)>>31)&(x2-*low));
+		*dest = x1 + (((*hi-x1)>>31)&(*hi-x1));
+		OIL_INCREMENT(dest,dstr);
+		 *dest = x2 + (((*hi-x2)>>31)&(*hi-x2));
+		 OIL_INCREMENT(dest,dstr);
+		n-=2;
+	}
+}
+OIL_DEFINE_IMPL (clip_s16_fast2, clip_s16);
+
+
+
+
+#if 0
+/* broken */
+
+/* This trick clips
+ * the range min^(1<<31) to max^(1<<31) incorrectly with int32_t.
+ * Thus the use of int64_t. */
+
+static void
+clip_s32_fast (int32_t *dest, int dstr, int32_t *src, int sstr, int n,
+    int32_t *low, int32_t *hi)
+{
+	int i;
+	int64_t x;
+
+	for(i=0;i<n;i++){
+		x = OIL_GET(src,i*sstr,int32_t);
+		x = x - (((x-*low)>>63)&(x-*low)) + (((*hi-x)>>63)&(*hi-x));
+		OIL_GET(dest,i*dstr,int32_t) = x;
+	}
+}
+
+OIL_DEFINE_IMPL (clip_s32_fast, clip_s32);
+#endif
+
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_clip_s16_fast() {
+		return &_oil_function_impl_clip_s16_fast;
+}
+#endif
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_clip_s16_fast2() {
+		return &_oil_function_impl_clip_s16_fast2;
+}
+#endif
+#if 0
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_clip_s32_fast() {
+		return &_oil_function_impl_clip_s32_fast;
+}
+#endif
+#endif