From 809f6cb6d1c199563664305fe3b0b286c54dbea7 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sun, 12 Oct 2008 23:52:02 -0700
Subject: CPU: Explain why some code is commented out.

---
 src/cpu/simple/atomic.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc
index 878f69f0c..30f4a5c5e 100644
--- a/src/cpu/simple/atomic.cc
+++ b/src/cpu/simple/atomic.cc
@@ -730,6 +730,10 @@ AtomicSimpleCPU::tick()
             dcache_access = false; // assume no dcache access
 
             if (!fromRom) {
+                // This is commented out because the predecoder would act like
+                // a tiny cache otherwise. It wouldn't be flushed when needed
+                // like the I cache. It should be flushed, and when that works
+                // this code should be uncommented.
                 //Fetch more instruction memory if necessary
                 //if(predecoder.needMoreBytes())
                 //{
-- 
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