Allow divmod on UNITS_PER_WORD vectors

        * tree-vect-patterns.c (vect_recog_divmod_pattern): Do not require
        vectors larger than UNITS_PER_WORD.

From-SVN: r189673

gcc/ChangeLog

 2012-07-19  Richard Henderson  <rth@redhat.com>
 
+	* tree-vect-patterns.c (vect_recog_divmod_pattern): Do not require
+	vectors larger than UNITS_PER_WORD.
+
 	* expr.c (store_constructor): Initialize icode with CODE_FOR_nothing.
 	* tree-vect-stmts.c (vectorizable_operation): Use LAST_INSN_CODE for
 	dummy != CODE_FOR_nothing value.

gcc/tree-vect-patterns.c

@@ -1679,8 +1679,7 @@ vect_recog_divmod_pattern (VEC (gimple, heap) **stmts,
     {
       enum machine_mode vec_mode = TYPE_MODE (vectype);
       int icode = (int) optab_handler (optab, vec_mode);
-      if (icode != CODE_FOR_nothing
-	  || GET_MODE_SIZE (vec_mode) == UNITS_PER_WORD)
+      if (icode != CODE_FOR_nothing)
 	return NULL;
     }