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authorKevin Lim <ktlim@umich.edu>2006-06-04 16:07:54 -0400
committerKevin Lim <ktlim@umich.edu>2006-06-04 16:07:54 -0400
commit984c2a4ff677803ff7687a178f1dceb1f0204c30 (patch)
tree10dc244225a4e29a65a94cc83305a2d18d150526 /src/cpu/o3/mem_dep_unit.hh
parent3156f601db2728d329d9eff272bfa324ebdb2a0c (diff)
parent8671d927d862cdbdf851e74cd07d131679faa7ed (diff)
downloadgem5-984c2a4ff677803ff7687a178f1dceb1f0204c30.tar.xz
Merge ktlim@zamp:/z/ktlim2/clean/m5-o3
into zamp.eecs.umich.edu:/z/ktlim2/clean/newmem-merge src/cpu/checker/o3_cpu_builder.cc: src/cpu/o3/alpha_cpu.hh: src/cpu/o3/alpha_cpu_impl.hh: src/cpu/o3/alpha_dyn_inst_impl.hh: src/cpu/o3/bpred_unit.cc: src/cpu/o3/commit.hh: src/cpu/o3/fetch_impl.hh: src/cpu/o3/lsq_unit.hh: src/cpu/o3/lsq_unit_impl.hh: src/cpu/o3/thread_state.hh: Hand merge. --HG-- rename : cpu/activity.cc => src/cpu/activity.cc rename : cpu/activity.hh => src/cpu/activity.hh rename : cpu/base_dyn_inst.cc => src/cpu/base_dyn_inst.cc rename : cpu/checker/cpu.hh => src/cpu/checker/cpu.hh rename : cpu/checker/cpu_builder.cc => src/cpu/checker/cpu_builder.cc rename : cpu/checker/exec_context.hh => src/cpu/checker/exec_context.hh rename : cpu/checker/o3_cpu_builder.cc => src/cpu/checker/o3_cpu_builder.cc rename : cpu/o3/2bit_local_pred.cc => src/cpu/o3/2bit_local_pred.cc rename : cpu/o3/2bit_local_pred.hh => src/cpu/o3/2bit_local_pred.hh rename : cpu/o3/alpha_cpu.hh => src/cpu/o3/alpha_cpu.hh rename : cpu/o3/alpha_cpu_builder.cc => src/cpu/o3/alpha_cpu_builder.cc rename : cpu/o3/alpha_cpu_impl.hh => src/cpu/o3/alpha_cpu_impl.hh rename : cpu/o3/alpha_dyn_inst.hh => src/cpu/o3/alpha_dyn_inst.hh rename : cpu/o3/alpha_dyn_inst_impl.hh => src/cpu/o3/alpha_dyn_inst_impl.hh rename : cpu/o3/alpha_params.hh => src/cpu/o3/alpha_params.hh rename : cpu/o3/bpred_unit.cc => src/cpu/o3/bpred_unit.cc rename : cpu/o3/bpred_unit.hh => src/cpu/o3/bpred_unit.hh rename : cpu/o3/bpred_unit_impl.hh => src/cpu/o3/bpred_unit_impl.hh rename : cpu/o3/comm.hh => src/cpu/o3/comm.hh rename : cpu/o3/commit.hh => src/cpu/o3/commit.hh rename : cpu/o3/commit_impl.hh => src/cpu/o3/commit_impl.hh rename : cpu/o3/cpu.hh => src/cpu/o3/cpu.hh rename : cpu/o3/cpu_policy.hh => src/cpu/o3/cpu_policy.hh rename : cpu/o3/decode.hh => src/cpu/o3/decode.hh rename : cpu/o3/decode_impl.hh => src/cpu/o3/decode_impl.hh rename : cpu/o3/dep_graph.hh => src/cpu/o3/dep_graph.hh rename : cpu/o3/fetch.hh => src/cpu/o3/fetch.hh rename : cpu/o3/fetch_impl.hh => src/cpu/o3/fetch_impl.hh rename : cpu/o3/fu_pool.cc => src/cpu/o3/fu_pool.cc rename : cpu/o3/fu_pool.hh => src/cpu/o3/fu_pool.hh rename : cpu/o3/iew.hh => src/cpu/o3/iew.hh rename : cpu/o3/iew_impl.hh => src/cpu/o3/iew_impl.hh rename : cpu/o3/inst_queue.hh => src/cpu/o3/inst_queue.hh rename : cpu/o3/inst_queue_impl.hh => src/cpu/o3/inst_queue_impl.hh rename : cpu/o3/lsq.hh => src/cpu/o3/lsq.hh rename : cpu/o3/lsq_unit.hh => src/cpu/o3/lsq_unit.hh rename : cpu/o3/lsq_unit_impl.hh => src/cpu/o3/lsq_unit_impl.hh rename : cpu/o3/mem_dep_unit.hh => src/cpu/o3/mem_dep_unit.hh rename : cpu/o3/mem_dep_unit_impl.hh => src/cpu/o3/mem_dep_unit_impl.hh rename : cpu/o3/rename.hh => src/cpu/o3/rename.hh rename : cpu/o3/rename_impl.hh => src/cpu/o3/rename_impl.hh rename : cpu/o3/rename_map.hh => src/cpu/o3/rename_map.hh rename : cpu/o3/rob.hh => src/cpu/o3/rob.hh rename : cpu/o3/store_set.cc => src/cpu/o3/store_set.cc rename : cpu/o3/store_set.hh => src/cpu/o3/store_set.hh rename : cpu/o3/thread_state.hh => src/cpu/o3/thread_state.hh rename : cpu/o3/tournament_pred.cc => src/cpu/o3/tournament_pred.cc rename : cpu/o3/tournament_pred.hh => src/cpu/o3/tournament_pred.hh rename : cpu/ozone/cpu_builder.cc => src/cpu/ozone/cpu_builder.cc rename : cpu/ozone/ozone_impl.hh => src/cpu/ozone/ozone_impl.hh rename : cpu/ozone/simple_impl.hh => src/cpu/ozone/simple_impl.hh rename : cpu/ozone/simple_params.hh => src/cpu/ozone/simple_params.hh rename : python/m5/objects/AlphaFullCPU.py => src/python/m5/objects/AlphaFullCPU.py rename : python/m5/objects/OzoneCPU.py => src/python/m5/objects/OzoneCPU.py extra : convert_revision : b7be30474dd03dd3970e737a9d0489aeb2ead84f
Diffstat (limited to 'src/cpu/o3/mem_dep_unit.hh')
-rw-r--r--src/cpu/o3/mem_dep_unit.hh13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/cpu/o3/mem_dep_unit.hh b/src/cpu/o3/mem_dep_unit.hh
index 4d763fca2..e399f0133 100644
--- a/src/cpu/o3/mem_dep_unit.hh
+++ b/src/cpu/o3/mem_dep_unit.hh
@@ -86,8 +86,10 @@ class MemDepUnit {
/** Registers statistics. */
void regStats();
+ /** Switches out the memory dependence predictor. */
void switchOut();
+ /** Takes over from another CPU's thread. */
void takeOverFrom();
/** Sets the pointer to the IQ. */
@@ -157,10 +159,12 @@ class MemDepUnit {
: inst(new_inst), regsReady(false), memDepReady(false),
completed(false), squashed(false)
{
+#ifdef DEBUG
++memdep_count;
DPRINTF(MemDepUnit, "Memory dependency entry created. "
"memdep_count=%i\n", memdep_count);
+#endif
}
/** Frees any pointers. */
@@ -169,11 +173,12 @@ class MemDepUnit {
for (int i = 0; i < dependInsts.size(); ++i) {
dependInsts[i] = NULL;
}
-
+#ifdef DEBUG
--memdep_count;
DPRINTF(MemDepUnit, "Memory dependency entry deleted. "
"memdep_count=%i\n", memdep_count);
+#endif
}
/** Returns the name of the memory dependence entry. */
@@ -198,9 +203,11 @@ class MemDepUnit {
bool squashed;
/** For debugging. */
+#ifdef DEBUG
static int memdep_count;
static int memdep_insert;
static int memdep_erase;
+#endif
};
/** Finds the memory dependence entry in the hash map. */
@@ -229,9 +236,13 @@ class MemDepUnit {
*/
MemDepPred depPred;
+ /** Is there an outstanding load barrier that loads must wait on. */
bool loadBarrier;
+ /** The sequence number of the load barrier. */
InstSeqNum loadBarrierSN;
+ /** Is there an outstanding store barrier that loads must wait on. */
bool storeBarrier;
+ /** The sequence number of the store barrier. */
InstSeqNum storeBarrierSN;
/** Pointer to the IQ. */