From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Mon, 3 Jan 2011 13:25:25 +0000 (+0000)
Subject: tree-vect-generic.c (expand_vector_operations_1): When using vector/ vector optab... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2fa6eeff4bc0992a96c11b7bf1f81a98f1c91545;p=gcc.git

tree-vect-generic.c (expand_vector_operations_1): When using vector/ vector optab to expand vector/scalar shift...

	* tree-vect-generic.c (expand_vector_operations_1): When using vector/
	vector optab to expand vector/scalar shift, update gimple to vector.

From-SVN: r168423
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 517704f58ba..477380f12b0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* tree-vect-generic.c (expand_vector_operations_1): When using vector/
+	vector optab to expand vector/scalar shift, update gimple to vector.
+
 2011-01-03  Martin Jambor  <mjambor@suse.cz>
 
 	* cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c
index 3f582402443..82fc61518fb 100644
--- a/gcc/tree-vect-generic.c
+++ b/gcc/tree-vect-generic.c
@@ -520,7 +520,24 @@ expand_vector_operations_1 (gimple_stmt_iterator *gsi)
       /* Try for a vector/scalar shift, and if we don't have one, see if we
          have a vector/vector shift */
       else if (!vector_scalar_shift)
-        op = optab_for_tree_code (code, type, optab_vector);
+	{
+	  op = optab_for_tree_code (code, type, optab_vector);
+
+	  if (op && (optab_handler (op, TYPE_MODE (type)) 
+		     != CODE_FOR_nothing))
+	    {
+	      /* Transform vector <op> scalar => vector <op> {x,x,x,x}.  */
+	      int n_parts = TYPE_VECTOR_SUBPARTS (type);
+	      int part_size = tree_low_cst (TYPE_SIZE (TREE_TYPE (type)), 1);
+	      tree part_type = lang_hooks.types.type_for_size (part_size, 1);
+	      tree vect_type = build_vector_type (part_type, n_parts);
+
+	      rhs2 = fold_convert (part_type, rhs2);
+	      rhs2 = build_vector_from_val (vect_type, rhs2);
+	      gimple_assign_set_rhs2 (stmt, rhs2);
+	      update_stmt (stmt);
+	    }
+	}
     }
   else
     op = optab_for_tree_code (code, type, optab_default);