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authorKevin Lim <ktlim@umich.edu>2005-05-19 01:28:25 -0400
committerKevin Lim <ktlim@umich.edu>2005-05-19 01:28:25 -0400
commitc2fcac7c0dd8dff182cb262bdf35d5c67117aa42 (patch)
treefc8804bfbe1aa820c8afa446622b9ec8c658b75e /cpu/beta_cpu/iew_impl.hh
parente5721ce6777726fa54aee49be414233656bd98d1 (diff)
downloadgem5-c2fcac7c0dd8dff182cb262bdf35d5c67117aa42.tar.xz
Fix up code for initial release. The main bug that remains is properly forwarding data from stores to loads, specifically when they are of differing sizes.
cpu/base_dyn_inst.cc: Remove unused commented out code. cpu/base_dyn_inst.hh: Fix up comments. cpu/beta_cpu/2bit_local_pred.cc: Reorder code to match header file. cpu/beta_cpu/2bit_local_pred.hh: Update comments. cpu/beta_cpu/alpha_dyn_inst.hh: Remove useless comments. cpu/beta_cpu/alpha_dyn_inst_impl.hh: cpu/beta_cpu/alpha_full_cpu_impl.hh: cpu/beta_cpu/comm.hh: cpu/beta_cpu/iew_impl.hh: Remove unused commented code. cpu/beta_cpu/alpha_full_cpu.hh: Remove obsolete comment. cpu/beta_cpu/alpha_impl.hh: cpu/beta_cpu/full_cpu.hh: Alphabetize includes. cpu/beta_cpu/bpred_unit.hh: Remove unused global history code. cpu/beta_cpu/btb.hh: cpu/beta_cpu/free_list.hh: Use full path in #defines. cpu/beta_cpu/commit.hh: cpu/beta_cpu/decode.hh: Reorder functions. cpu/beta_cpu/commit_impl.hh: Remove obsolete commented code. cpu/beta_cpu/fetch.hh: Remove obsolete comments. cpu/beta_cpu/fetch_impl.hh: cpu/beta_cpu/rename_impl.hh: Remove commented code. cpu/beta_cpu/full_cpu.cc: Remove useless defines. cpu/beta_cpu/inst_queue.hh: Use full path for #defines. cpu/beta_cpu/inst_queue_impl.hh: Reorder functions to match header file. cpu/beta_cpu/mem_dep_unit.hh: Use full path name for #defines. cpu/beta_cpu/ras.hh: Use full path names for #defines. Remove mod operation. cpu/beta_cpu/regfile.hh: Remove unused commented code, fix up current comments. cpu/beta_cpu/tournament_pred.cc: cpu/beta_cpu/tournament_pred.hh: Update programming style. --HG-- extra : convert_revision : fb9d18a853f58a1108ff827e3c123d5b52a0608a
Diffstat (limited to 'cpu/beta_cpu/iew_impl.hh')
-rw-r--r--cpu/beta_cpu/iew_impl.hh22
1 files changed, 0 insertions, 22 deletions
diff --git a/cpu/beta_cpu/iew_impl.hh b/cpu/beta_cpu/iew_impl.hh
index 086d39320..79dd809ad 100644
--- a/cpu/beta_cpu/iew_impl.hh
+++ b/cpu/beta_cpu/iew_impl.hh
@@ -361,20 +361,7 @@ SimpleIEW<Impl>::dispatchInsts()
} else if (inst->isStore()) {
ldstQueue.insertStore(inst);
- // A bit of a hack. Set that it can commit so that
- // the commit stage will try committing it, and then
- // once commit realizes it's a store it will send back
- // a signal to this stage to issue and execute that
- // store. Change to be a bit that says the instruction
- // has extra work to do at commit.
-// inst->setCanCommit();
-
-// instQueue.insertNonSpec(inst);
-
++iewDispStoreInsts;
-// ++iewDispNonSpecInsts;
-
-// continue;
} else if (inst->isNonSpeculative()) {
DPRINTF(IEW, "IEW: Issue: Nonspeculative instruction "
"encountered, skipping.\n");
@@ -404,8 +391,6 @@ SimpleIEW<Impl>::dispatchInsts()
DPRINTF(IEW, "IEW: Issue: Executed branch encountered, "
"skipping.\n");
-// assert(inst->isDirectCtrl());
-
inst->setIssued();
inst->setCanCommit();
@@ -614,10 +599,6 @@ SimpleIEW<Impl>::tick()
}
++iewSquashCycles;
-
- // Also should advance its own time buffers if the stage ran.
- // Not sure about this...
-// issueToExecQueue.advance();
} else if (_status == Blocked) {
// Continue to tell previous stage to stall.
toRename->iewInfo.stall = true;
@@ -654,14 +635,11 @@ SimpleIEW<Impl>::tick()
// or store to commit. Also check if it's being told to execute a
// nonspeculative instruction.
// This is pretty inefficient...
-// if (0/*fromCommit->commitInfo.commitIsStore*/) {
if (!fromCommit->commitInfo.squash &&
!fromCommit->commitInfo.robSquashing) {
ldstQueue.commitStores(fromCommit->commitInfo.doneSeqNum);
-// } else if (fromCommit->commitInfo.commitIsLoad) {
ldstQueue.commitLoads(fromCommit->commitInfo.doneSeqNum);
}
-// }
if (fromCommit->commitInfo.nonSpecSeqNum != 0) {
instQueue.scheduleNonSpec(fromCommit->commitInfo.nonSpecSeqNum);