tree.h (TREE_VECTOR_CST_ELTS): Remove.

2012-03-16  Richard Guenther  <rguenther@suse.de>

	* tree.h (TREE_VECTOR_CST_ELTS): Remove.
	(VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
	(struct tree_vector): Remove elements member, add variable size
	elts array member.
	(build_vector_stat): Declare.
	(build_vector): Define in terms of build_vector_stat.
	* tree.c (build_vector): Rename to ...
	(build_vector_stat): ... this.  Take array of trees as parameter.
	(build_vector_from_ctor): Adjust.
	(integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
	initializer_zerop): Adjust.
	* cfgexpand.c (expand_debug_expr): Likewise.
	* expr.c (categorize_ctor_elements_1, expand_expr_real_1,
	const_vector_from_tree): Likewise.
	* fold-const.c (const_binop, operand_equal_p, native_encode_vector,
	native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
	fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
	* tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
	(lto_input_ts_vector_tree_pointers): Adjust.
	* tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
	(write_ts_vector_tree_pointers): Adjust.
	* varasm.c (const_hash_1, compare_constant, copy_constant,
	output_constant): Adjust.
	* gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
	* print-tree.c (print_node): Adjust.
	* tree-pretty-print.c (dump_generic_node): Adjust.
	* tree-vect-generic.c (uniform_vector_p, vector_element,
	lower_vec_perm): Adjust.
	* tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
	* tree-vect-slp.c (vect_get_constant_vectors,
	vect_transform_slp_perm_load): Adjust.
	* tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
	* expmed.c (make_tree): Adjust.

	* config/i386/i386.c (ix86_expand_builtin): Adjust.
	* config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
	and implementation.
	(sparc_fold_builtin): Adjust.

	c-family/
	* c-pretty-print.c (pp_c_initializer_list): Adjust.

From-SVN: r185458

1 files changed, 15 insertions, 7 deletions

diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
index 5733bc8..abba2b9 100644
--- a/gcc/tree-vect-loop.c
+++ b/gcc/tree-vect-loop.c
@@ -3305,7 +3305,7 @@ get_initial_def_for_reduction (gimple stmt, tree init_val,
   enum tree_code code = gimple_assign_rhs_code (stmt);
   tree def_for_init;
   tree init_def;
-  tree t = NULL_TREE;
+  tree *elts;
   int i;
   bool nested_in_vect_loop = false;
   tree init_value;
@@ -3386,23 +3386,31 @@ get_initial_def_for_reduction (gimple stmt, tree init_val,
           def_for_init = build_int_cst (scalar_type, int_init_val);
 
         /* Create a vector of '0' or '1' except the first element.  */
+	elts = XALLOCAVEC (tree, nunits);
         for (i = nunits - 2; i >= 0; --i)
-          t = tree_cons (NULL_TREE, def_for_init, t);
+	  elts[i + 1] = def_for_init;
 
         /* Option1: the first element is '0' or '1' as well.  */
         if (adjustment_def)
           {
-            t = tree_cons (NULL_TREE, def_for_init, t);
-            init_def = build_vector (vectype, t);
+	    elts[0] = def_for_init;
+            init_def = build_vector (vectype, elts);
             break;
           }
 
         /* Option2: the first element is INIT_VAL.  */
-        t = tree_cons (NULL_TREE, init_value, t);
+	elts[0] = init_val;
         if (TREE_CONSTANT (init_val))
-          init_def = build_vector (vectype, t);
+          init_def = build_vector (vectype, elts);
         else
-          init_def = build_constructor_from_list (vectype, t);
+	  {
+	    VEC(constructor_elt,gc) *v;
+	    v = VEC_alloc (constructor_elt, gc, nunits);
+	    CONSTRUCTOR_APPEND_ELT (v, NULL_TREE, init_val);
+	    for (i = 1; i < nunits; ++i)
+	      CONSTRUCTOR_APPEND_ELT (v, NULL_TREE, elts[i]);
+	    init_def = build_constructor (vectype, v);
+	  }
 
         break;