diff -r 4bc381e425c0 -r 36c1273ad646 src/cpu/o3/fetch_impl.hh
--- a/src/cpu/o3/fetch_impl.hh	Wed Jan 18 09:49:47 2012 -0600
+++ b/src/cpu/o3/fetch_impl.hh	Wed Jan 18 11:57:40 2012 -0600
@@ -1278,6 +1278,7 @@
 
             // Move to the next instruction, unless we have a branch.
             thisPC = nextPC;
+            inRom = isRomMicroPC(thisPC.microPC());
 
             if (newMacro) {
                 fetchAddr = thisPC.instAddr() & BaseCPU::PCMask;