CPU: Add a flag to identify a read barrier to the static inst class.

diff --git a/src/cpu/static_inst.hh b/src/cpu/static_inst.hh
index bf07e06c73206c004db4daa3d217c00628e4a408..cb32f2333cf87dac8f6052012156d2971388c0f6 100644 (file)
--- a/src/cpu/static_inst.hh
+++ b/src/cpu/static_inst.hh
@@ -159,6 +159,7 @@ class StaticInstBase : public RefCounted
         IsSerializeAfter,
         IsMemBarrier,   ///< Is a memory barrier
         IsWriteBarrier, ///< Is a write barrier
+        IsReadBarrier,  ///< Is a read barrier
         IsERET, /// <- Causes the IFU to stall (MIPS ISA)
 
         IsNonSpeculative, ///< Should not be executed speculatively