simd-6.c: New.

2003-05-05  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.c-torture/compile/simd-6.c: New.

        * c-typeck.c (digest_init): Handle arrays of vector constants.

From-SVN: r66501

gcc/ChangeLog

+2003-05-05  Aldy Hernandez  <aldyh@redhat.com>
+
+        * testsuite/gcc.c-torture/compile/simd-6.c: New.
+
+        * c-typeck.c (digest_init): Handle arrays of vector constants.
+
 2003-05-05  Jakub Jelinek  <jakub@redhat.com>
 
 	* builtins.c (expand_builtin_mempcpy): New function.

gcc/c-typeck.c

@@ -4787,10 +4787,17 @@ digest_init (type, init, require_constant)
   /* Build a VECTOR_CST from a *constant* vector constructor.  If the
      vector constructor is not constant (e.g. {1,2,3,foo()}) then punt
      below and handle as a constructor.  */
-  if (code == VECTOR_TYPE
-      && comptypes (TREE_TYPE (inside_init), type)
-      && TREE_CONSTANT (inside_init))
-    return build_vector (type, CONSTRUCTOR_ELTS (inside_init));
+    if (code == VECTOR_TYPE
+        && comptypes (TREE_TYPE (inside_init), type)
+        && TREE_CONSTANT (inside_init))
+      {
+	if (TREE_CODE (inside_init) == VECTOR_CST
+	    && comptypes (TYPE_MAIN_VARIANT (TREE_TYPE (inside_init)),
+			  TYPE_MAIN_VARIANT (type)))
+	  return inside_init;
+	else
+	  return build_vector (type, CONSTRUCTOR_ELTS (inside_init));
+      }
 
   /* Any type can be initialized
      from an expression of the same type, optionally with braces.  */

gcc/testsuite/gcc.c-torture/compile/simd-6.c

+typedef int __attribute__((mode(V2SI))) vec;
+
+vec a[] = {(vec) {1, 2}, {3, 4}};