use operands_are_normalized when permuting Not operations on Xor inputs to avoid...

[libfirm] / ir / be / benode.c

diff --git a/ir/be/benode.c b/ir/be/benode.c
index decfa0e..f636cc5 100644 (file)
--- a/ir/be/benode.c
+++ b/ir/be/benode.c
@@ -1220,7 +1220,17 @@ static const arch_register_req_t *phi_get_irn_reg_req(const ir_node *node,
 
                req = get_Phi_reg_req_recursive(node, &visited);
                assert(req->cls != NULL);
-               req = req->cls->class_req;
+               if (req->width > 1) {
+                       arch_register_req_t *new_req = allocate_reg_req(node);
+                       new_req->type                = arch_register_req_type_normal;
+                       new_req->cls                 = req->cls;
+                       new_req->other_same          = 0;
+                       new_req->other_different     = 0;
+                       new_req->width               = req->width;
+                       req = new_req;
+               } else {
+                       req = req->cls->class_req;
+               }
 
                if (visited != NULL)
                        del_pset(visited);