derek/gem5
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Ruby: Remove isTagPresent() calls from Sequencer.cc

Browse Source 
This patch removes the calls to isTagPresent() from Sequencer.cc. These
calls are made just for setting the cache block to have been most recently
used. The calls have been folded in to the function setMRU().
This commit is contained in:
Nilay Vaish
2012-02-10 11:29:02 -06:00
parent 69d8600bf8
commit aa513a4a99
2 changed files with 7 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/mem/ruby/system/CacheMemory.cc
View File

@@ -339,12 +339,12 @@ CacheMemory::lookup(const Address& address) const
void
CacheMemory::setMRU(const Address& address)
{
Index cacheSet;
Index cacheSet = addressToCacheSet(address);
int loc = findTagInSet(cacheSet, address);
cacheSet = addressToCacheSet(address);
m_replacementPolicy_ptr->
touch(cacheSet, findTagInSet(cacheSet, address),
g_eventQueue_ptr->getTime());
if(loc != -1)
m_replacementPolicy_ptr->
touch(cacheSet, loc, g_eventQueue_ptr->getTime());
}
void

6
src/mem/ruby/system/Sequencer.cc
View File

@@ -482,11 +482,9 @@ Sequencer::hitCallback(SequencerRequest* srequest,
// Set this cache entry to the most recently used
if (type == RubyRequestType_IFETCH) {
if (m_instCache_ptr->isTagPresent(request_line_address))
m_instCache_ptr->setMRU(request_line_address);
m_instCache_ptr->setMRU(request_line_address);
} else {
if (m_dataCache_ptr->isTagPresent(request_line_address))
m_dataCache_ptr->setMRU(request_line_address);
m_dataCache_ptr->setMRU(request_line_address);
}
assert(g_eventQueue_ptr->getTime() >= issued_time);