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inorder: ignore nops in execution unit

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This commit is contained in:
Korey Sewell
2011-02-18 14:30:38 -05:00
parent 0fe19836c7
commit 64d31e75b9
1 changed files with 11 additions and 2 deletions
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13
src/cpu/inorder/resources/execution_unit.cc
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@@ -101,8 +101,17 @@ ExecutionUnit::execute(int slot_num)
{
case ExecuteInst:
{
DPRINTF(InOrderExecute, "[tid:%i] Executing [sn:%i] [PC:%s] %s.\n",
inst->readTid(), seq_num, inst->pcState(), inst->instName());
if (inst->isNop()) {
DPRINTF(InOrderExecute, "[tid:%i] [sn:%i] [PC:%s] Ignoring execution"
"of %s.\n", inst->readTid(), seq_num, inst->pcState(),
inst->instName());
inst->setExecuted();
exec_req->done();
return;
} else {
DPRINTF(InOrderExecute, "[tid:%i] Executing [sn:%i] [PC:%s] %s.\n",
inst->readTid(), seq_num, inst->pcState(), inst->instName());
}
if (cur_tick != lastExecuteTick) {
lastExecuteTick = cur_tick;