tree.h (build_vector_from_val): Declare.

2010-10-29  Artjoms Sinkarovs <artyom.shinakroff@gmail.com>
	Andrew Pinski <pinskia@gmail.com>

	* tree.h (build_vector_from_val): Declare.
	* tree.c (build_vector_from_val): New function.
	* c-typeck.c (build_binary_op): Handle vector shifting.
	* doc/extend.texi: Description of the vector shifting operation.

	testsuite/
	* gcc.c-torture/execute/vector-shift.c: New testcase.
	* gcc.c-torture/execute/vector-shift1.c: Likewise.
	* gcc.c-torture/execute/vector-shift2.c: Likewise.
	* gcc.dg/vector-shift.c: Likewise.
	* gcc.dg/vector-shift1.c: Likewise.
	* gcc.dg/torture/vector-shift2.c: Likewise.
	* gcc.dg/vector-shift3.c: Likewise.
	* gcc.dg/simd-1b.c: Adjust.

Co-Authored-By: Andrew Pinski <pinskia@gmail.com>

From-SVN: r166061

1 files changed, 22 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 48279eb..4eb13c1 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1366,6 +1366,28 @@ build_vector_from_ctor (tree type, VEC(constructor_elt,gc) *v)
   return build_vector (type, nreverse (list));
 }
 
+/* Build a vector of type VECTYPE where all the elements are SCs.  */
+tree
+build_vector_from_val (tree vectype, tree sc) 
+{
+  int i, nunits = TYPE_VECTOR_SUBPARTS (vectype);
+  VEC(constructor_elt, gc) *v = NULL;
+
+  if (sc == error_mark_node)
+    return sc;
+
+  gcc_assert (TREE_TYPE (sc) == TREE_TYPE (vectype));
+
+  v = VEC_alloc (constructor_elt, gc, nunits);
+  for (i = 0; i < nunits; ++i)
+    CONSTRUCTOR_APPEND_ELT (v, NULL_TREE, sc);
+
+  if (CONSTANT_CLASS_P (sc))
+    return build_vector_from_ctor (vectype, v);
+  else 
+    return build_constructor (vectype, v);
+}
+
 /* Return a new CONSTRUCTOR node whose type is TYPE and whose values
    are in the VEC pointed to by VALS.  */
 tree