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diff --git a/linden/indra/llmath/llv4vector3.h b/linden/indra/llmath/llv4vector3.h
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+/** 
+ * @file llviewerjointmesh.cpp
+ * @brief LLV4* class header file - vector processor enabled math
+ *
+ * Copyright (c) 2007-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLV4VECTOR3_H
+#define LL_LLV4VECTOR3_H
+
+#include "llv4math.h"
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// LLV4Vector3
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+
+LL_LLV4MATH_ALIGN_PREFIX
+
+class LLV4Vector3
+{
+public:
+        union {
+                F32             mV[LLV4_NUM_AXIS];
+                V4F32   v;
+        };
+
+        enum {
+                ALIGNMENT = 16
+                };
+
+        void                            setVec(F32 x, F32 y, F32 z);
+        void                            setVec(F32 a);
+}
+
+LL_LLV4MATH_ALIGN_POSTFIX;
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// LLV4Vector3
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+
+inline void     LLV4Vector3::setVec(F32 x, F32 y, F32 z)
+{
+        mV[VX] = x;
+        mV[VY] = y;
+        mV[VZ] = z;
+}
+
+inline void     LLV4Vector3::setVec(F32 a)
+{
+#if LL_VECTORIZE
+        v = _mm_set1_ps(a);
+#else
+        setVec(a, a, a);
+#endif
+}
+
+#endif