--- upstream/dynamips-0.2.5/mips64_exec.c	2007/10/06 16:01:44	1
+++ upstream/dynamips-0.2.6-RC1/mips64_exec.c	2007/10/06 16:03:58	2
@@ -400,7 +400,7 @@
    cpu->cpu_thread_running = TRUE;
  start_cpu:
    for(;;) {
-      if (unlikely(!cpu->pc) || unlikely(cpu->state != MIPS_CPU_RUNNING))
+      if (unlikely(cpu->state != MIPS_CPU_RUNNING))
          break;
 
       /* Handle virtual idle loop */