PR middle-end/6096, middle-end/6098, middle-end/6099

[pf3gnuchains/gcc-fork.git] / gcc / reorg.c

diff --git a/gcc/reorg.c b/gcc/reorg.c
index b1c33f5..6fc73f1 100644 (file)
--- a/gcc/reorg.c
+++ b/gcc/reorg.c
@@ -511,7 +511,8 @@ emit_delay_sequence (insn, list, length)
 
            case REG_LABEL:
              /* Keep the label reference count up to date.  */
-             LABEL_NUSES (XEXP (note, 0)) ++;
+             if (GET_CODE (XEXP (note, 0)) == CODE_LABEL)
+               LABEL_NUSES (XEXP (note, 0)) ++;
              break;
 
            default:
@@ -2732,12 +2733,13 @@ fill_slots_from_thread (insn, condition, thread, opposite_thread, likely,
                         temporarily increment the use count on any referenced
                         label lest it be deleted by delete_related_insns.  */
                      note = find_reg_note (trial, REG_LABEL, 0);
-                     if (note)
+                     /* REG_LABEL could be NOTE_INSN_DELETED_LABEL too.  */
+                     if (note && GET_CODE (XEXP (note, 0)) == CODE_LABEL)
                        LABEL_NUSES (XEXP (note, 0))++;
 
                      delete_related_insns (trial);
 
-                     if (note)
+                     if (note && GET_CODE (XEXP (note, 0)) == CODE_LABEL)
                        LABEL_NUSES (XEXP (note, 0))--;
                    }
                  else