import invisispec-1.0 source by Mengjia Yan

The original code is at https://github.com/mjyan0720/InvisiSpec-1.0
This code is rebased on upstream gem5 commit 866b200c, which features:
- rdtscp support
- some C++ code optimizations
- newer Linux kernel version number in SE mode

1 files changed, 2 insertions, 1 deletions

diff --git a/src/cpu/o3/rename_impl.hh b/src/cpu/o3/rename_impl.hh
index 4331b6d08..0f7839462 100644
--- a/src/cpu/o3/rename_impl.hh
+++ b/src/cpu/o3/rename_impl.hh
@@ -1380,7 +1380,8 @@ DefaultRename<Impl>::serializeAfter(InstQueue &inst_list, ThreadID tid)
         // Mark a bit to say that I must serialize on the next instruction.
         serializeOnNextInst[tid] = true;
         return;
-    }
+    } 
+    
 
     // Set the next instruction as serializing.
     inst_list.front()->setSerializeBefore();