(expand_expr): For COMPONENT_REF, don't force_reg op0 if it is BLKmode.

From-SVN: r3905

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index 40a5619..bee6e2d 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -3854,7 +3854,7 @@ expand_expr (exp, target, tmode, modifier)
 	if (CONSTANT_P (op0))
 	  {
 	    enum machine_mode mode = TYPE_MODE (TREE_TYPE (tem));
-	    if (LEGITIMATE_CONSTANT_P (op0))
+	    if (mode != BLKmode && LEGITIMATE_CONSTANT_P (op0))
 	      op0 = force_reg (mode, op0);
 	    else
 	      op0 = validize_mem (force_const_mem (mode, op0));