expr.c (store_constructor): Don't bother clearing target if we're about to…

expr.c (store_constructor): Don't bother clearing target if we're about to assign a vector to it using...


	* expr.c (store_constructor): Don't bother clearing target if
	we're about to assign a vector to it using vec_init_optab.

From-SVN: r112817

gcc/ChangeLog

+2006-04-09  Roger Sayle  <roger@eyesopen.com>
+
+	* expr.c (store_constructor): Don't bother clearing target if
+	we're about to assign a vector to it using vec_init_optab.
+
 2006-04-10 Daniel Berlin  <dberlin@dberlin.org>
 	
 	* tree-ssa-alias.c (lhs_may_store_to): New function.

gcc/expr.c

@@ -5325,7 +5325,7 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size)
 	  }
 	
 	/* Inform later passes that the old value is dead.  */
-	if (!cleared && REG_P (target))
+	if (!cleared && !vector && REG_P (target))
 	  emit_move_insn (target, CONST0_RTX (GET_MODE (target)));
 
         /* Store each element of the constructor into the corresponding