Only deactivate AM support for a node with an immediate, if the match flags do...

Only deactivate AM support for a node with an immediate, if the match flags do not include match_am_and_immediates.  This allows folding reloads into IMul with immediate.

[r22470]

ir/be/ia32/ia32_transform.c

@@ -818,7 +818,8 @@ static ir_node *gen_binop(ir_node *node, ir_node *op1, ir_node *op2,
 	                 am.new_op1, am.new_op2);
 	set_am_attributes(new_node, &am);
 	/* we can't use source address mode anymore when using immediates */
-	if (is_ia32_Immediate(am.new_op1) || is_ia32_Immediate(am.new_op2))
+	if (!(flags & match_am_and_immediates) &&
+	    (is_ia32_Immediate(am.new_op1) || is_ia32_Immediate(am.new_op2)))
 		set_ia32_am_support(new_node, ia32_am_none);
 	SET_IA32_ORIG_NODE(new_node, ia32_get_old_node_name(env_cg, node));
 
@@ -868,7 +869,8 @@ static ir_node *gen_binop_flags(ir_node *node, construct_binop_flags_func *func,
 	                addr->mem, am.new_op1, am.new_op2, new_eflags);
 	set_am_attributes(new_node, &am);
 	/* we can't use source address mode anymore when using immediates */
-	if(is_ia32_Immediate(am.new_op1) || is_ia32_Immediate(am.new_op2))
+	if (!(flags & match_am_and_immediates) &&
+	    (is_ia32_Immediate(am.new_op1) || is_ia32_Immediate(am.new_op2)))
 		set_ia32_am_support(new_node, ia32_am_none);
 	SET_IA32_ORIG_NODE(new_node, ia32_get_old_node_name(env_cg, node));