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diff --git a/src/gallium/auxiliary/gallivm/lp_bld_pack.h b/src/gallium/auxiliary/gallivm/lp_bld_pack.h
new file mode 100644
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+++ b/src/gallium/auxiliary/gallivm/lp_bld_pack.h
@@ -0,0 +1,95 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Helper functions for packing/unpacking conversions.
+ *
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ */
+
+
+#ifndef LP_BLD_PACK_H
+#define LP_BLD_PACK_H
+
+
+#include <llvm-c/Core.h>  
+
+
+struct lp_type;
+
+
+LLVMValueRef
+lp_build_interleave2(LLVMBuilderRef builder,
+                     struct lp_type type,
+                     LLVMValueRef a,
+                     LLVMValueRef b,
+                     unsigned lo_hi);
+
+
+void
+lp_build_unpack2(LLVMBuilderRef builder,
+                 struct lp_type src_type,
+                 struct lp_type dst_type,
+                 LLVMValueRef src,
+                 LLVMValueRef *dst_lo,
+                 LLVMValueRef *dst_hi);
+
+
+void
+lp_build_unpack(LLVMBuilderRef builder,
+                struct lp_type src_type,
+                struct lp_type dst_type,
+                LLVMValueRef src,
+                LLVMValueRef *dst, unsigned num_dsts);
+
+
+LLVMValueRef
+lp_build_packs2(LLVMBuilderRef builder,
+                struct lp_type src_type,
+                struct lp_type dst_type,
+                LLVMValueRef lo,
+                LLVMValueRef hi);
+
+
+LLVMValueRef
+lp_build_pack2(LLVMBuilderRef builder,
+               struct lp_type src_type,
+               struct lp_type dst_type,
+               LLVMValueRef lo,
+               LLVMValueRef hi);
+
+
+LLVMValueRef
+lp_build_pack(LLVMBuilderRef builder,
+              struct lp_type src_type,
+              struct lp_type dst_type,
+              boolean clamped,
+              const LLVMValueRef *src, unsigned num_srcs);
+
+
+#endif /* !LP_BLD_PACK_H */