Comments and code cleanup.

cpu/activity.cc:
cpu/activity.hh:
cpu/o3/alpha_cpu.hh:
    Updates to include comments.
cpu/base_dyn_inst.cc:
    Remove call to thread->misspeculating(), as it's never actually misspeculating.

--HG--
extra : convert_revision : 86574d684770fac9b480475acca048ea418cdac3

1 files changed, 5 insertions, 6 deletions

diff --git a/cpu/o3/comm.hh b/cpu/o3/comm.hh
index c36c58d3d..d9a242a12 100644
--- a/cpu/o3/comm.hh
+++ b/cpu/o3/comm.hh
@@ -41,6 +41,7 @@
 // typedef yet are not templated on the Impl. For now it will be defined here.
 typedef short int PhysRegIndex;
 
+/** Struct that defines the information passed from fetch to decode. */
 template<class Impl>
 struct DefaultFetchDefaultDecode {
     typedef typename Impl::DynInstPtr DynInstPtr;
@@ -53,6 +54,7 @@ struct DefaultFetchDefaultDecode {
     bool clearFetchFault;
 };
 
+/** Struct that defines the information passed from decode to rename. */
 template<class Impl>
 struct DefaultDecodeDefaultRename {
     typedef typename Impl::DynInstPtr DynInstPtr;
@@ -62,6 +64,7 @@ struct DefaultDecodeDefaultRename {
     DynInstPtr insts[Impl::MaxWidth];
 };
 
+/** Struct that defines the information passed from rename to IEW. */
 template<class Impl>
 struct DefaultRenameDefaultIEW {
     typedef typename Impl::DynInstPtr DynInstPtr;
@@ -71,6 +74,7 @@ struct DefaultRenameDefaultIEW {
     DynInstPtr insts[Impl::MaxWidth];
 };
 
+/** Struct that defines the information passed from IEW to commit. */
 template<class Impl>
 struct DefaultIEWDefaultCommit {
     typedef typename Impl::DynInstPtr DynInstPtr;
@@ -98,6 +102,7 @@ struct IssueStruct {
     DynInstPtr insts[Impl::MaxWidth];
 };
 
+/** Struct that defines all backwards communication. */
 template<class Impl>
 struct TimeBufStruct {
     struct decodeComm {
@@ -119,13 +124,7 @@ struct TimeBufStruct {
 
     decodeComm decodeInfo[Impl::MaxThreads];
 
-    // Rename can't actually tell anything to squash or send a new PC back
-    // because it doesn't do anything along those lines.  But maybe leave
-    // these fields in here to keep the stages mostly orthagonal.
     struct renameComm {
-        bool squash;
-
-        uint64_t nextPC;
     };
 
     renameComm renameInfo[Impl::MaxThreads];