diff options
Diffstat (limited to 'lib/Target/SparcV9/ModuloScheduling/MSSchedule.cpp')
| -rw-r--r-- | lib/Target/SparcV9/ModuloScheduling/MSSchedule.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/Target/SparcV9/ModuloScheduling/MSSchedule.cpp b/lib/Target/SparcV9/ModuloScheduling/MSSchedule.cpp index 02cd8b7841..25bd55f314 100644 --- a/lib/Target/SparcV9/ModuloScheduling/MSSchedule.cpp +++ b/lib/Target/SparcV9/ModuloScheduling/MSSchedule.cpp @@ -54,6 +54,9 @@ bool MSSchedule::resourcesFree(MSchedGraphNode *node, int cycle) { int currentCycle = cycle; bool success = true; + //map for easy backtracking, resource num at a certain cycle + //std::map<int, int> backtrackMap; + //Get resource usage for this instruction InstrRUsage rUsage = msi->getInstrRUsage(node->getInst()->getOpcode()); std::vector<std::vector<resourceId_t> > resources = rUsage.resourcesByCycle; @@ -74,8 +77,11 @@ bool MSSchedule::resourcesFree(MSchedGraphNode *node, int cycle) { std::map<int, int>::iterator resourceUse = resourcesForCycle->second.find(resourceNum); if(resourceUse != resourcesForCycle->second.end()) { //Check if there are enough of this resource and if so, increase count and move on - if(resourceUse->second < CPUResource::getCPUResource(resourceNum)->maxNumUsers) + if(resourceUse->second < CPUResource::getCPUResource(resourceNum)->maxNumUsers) { ++resourceUse->second; + //Document that we increased the usage count for this resource at this cycle + + } else { success = false; } @@ -89,7 +95,8 @@ bool MSSchedule::resourcesFree(MSchedGraphNode *node, int cycle) { //Create a new map and put in our resource std::map<int, int> resourceMap; resourceMap[resourceNum] = 1; - resourceNumPerCycle[cycle] = resourceMap; + resourceNumPerCycle[currentCycle] = resourceMap; + } if(!success) break; |