diff options
Diffstat (limited to 'src/cpu/o3/rename_impl.hh')
| -rw-r--r-- | src/cpu/o3/rename_impl.hh | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/cpu/o3/rename_impl.hh b/src/cpu/o3/rename_impl.hh index 782c0fe5f..248d7deb6 100644 --- a/src/cpu/o3/rename_impl.hh +++ b/src/cpu/o3/rename_impl.hh @@ -41,7 +41,8 @@ DefaultRename<Impl>::DefaultRename(Params *params) commitToRenameDelay(params->commitToRenameDelay), renameWidth(params->renameWidth), commitWidth(params->commitWidth), - numThreads(params->numberOfThreads) + numThreads(params->numberOfThreads), + maxPhysicalRegs(params->numPhysIntRegs + params->numPhysFloatRegs) { _status = Inactive; @@ -286,6 +287,11 @@ DefaultRename<Impl>::switchOut() // Put the renamed physical register back on the free list. freeList->addReg(hb_it->newPhysReg); + // Be sure to mark its register as ready if it's a misc register. + if (hb_it->newPhysReg >= maxPhysicalRegs) { + scoreboard->setReg(hb_it->newPhysReg); + } + historyBuffer[i].erase(hb_it++); } insts[i].clear(); @@ -889,6 +895,11 @@ DefaultRename<Impl>::doSquash(const InstSeqNum &squashed_seq_num, unsigned tid) // Put the renamed physical register back on the free list. freeList->addReg(hb_it->newPhysReg); + // Be sure to mark its register as ready if it's a misc register. + if (hb_it->newPhysReg >= maxPhysicalRegs) { + scoreboard->setReg(hb_it->newPhysReg); + } + historyBuffer[tid].erase(hb_it++); ++renameUndoneMaps; |