allow conversion of reference tarvals to mode_Iu

[r13853]

diff --git a/ir/tv/tv.c b/ir/tv/tv.c
index 08750fe..6d89671 100644 (file)
--- a/ir/tv/tv.c
+++ b/ir/tv/tv.c
@@ -899,6 +899,16 @@ tarval *tarval_convert_to(tarval *src, ir_mode *m) {
                break;
 
        case irms_reference:
+               switch(get_mode_sort(m)) {
+               case irms_int_number:
+                       buffer = alloca(sc_get_buffer_length());
+                       memcpy(buffer, src->value, sc_get_buffer_length());
+                       sign_extend(buffer, src->mode);
+                       return get_tarval_overflow(buffer, src->length, m);
+               default:
+                       break;
+               }
+
                break;
        }