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Diffstat (limited to 'src/cpu/o3/iew_impl.hh')
| -rw-r--r-- | src/cpu/o3/iew_impl.hh | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/cpu/o3/iew_impl.hh b/src/cpu/o3/iew_impl.hh index 56c182564..5872f90d2 100644 --- a/src/cpu/o3/iew_impl.hh +++ b/src/cpu/o3/iew_impl.hh @@ -1480,11 +1480,14 @@ DefaultIEW<Impl>::writebackInsts() int dependents = instQueue.wakeDependents(inst); for (int i = 0; i < inst->numDestRegs(); i++) { - //mark as Ready - DPRINTF(IEW,"Setting Destination Register %i (%s)\n", - inst->renamedDestRegIdx(i)->index(), - inst->renamedDestRegIdx(i)->className()); - scoreboard->setReg(inst->renamedDestRegIdx(i)); + // Mark register as ready if not pinned + if (inst->renamedDestRegIdx(i)-> + getNumPinnedWritesToComplete() == 0) { + DPRINTF(IEW,"Setting Destination Register %i (%s)\n", + inst->renamedDestRegIdx(i)->index(), + inst->renamedDestRegIdx(i)->className()); + scoreboard->setReg(inst->renamedDestRegIdx(i)); + } } if (dependents) { |