diff options
Diffstat (limited to 'lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp')
-rw-r--r-- | lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp b/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp index b76a97f..6db0994 100644 --- a/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp +++ b/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp @@ -29,7 +29,7 @@ MSchedGraphNode::MSchedGraphNode(const MachineInstr* inst, } void MSchedGraphNode::print(std::ostream &os) const { - os << "MSehedGraphNode: Inst=" << *Inst << ", latency= " << latency << "\n"; + os << "MSchedGraphNode: Inst=" << *Inst << ", latency= " << latency << "\n"; } MSchedGraphEdge MSchedGraphNode::getInEdge(MSchedGraphNode *pred) { @@ -41,9 +41,38 @@ MSchedGraphEdge MSchedGraphNode::getInEdge(MSchedGraphNode *pred) { return I.getEdge(); } assert(0 && "Should have found edge between this node and its predecessor!"); - + } +unsigned MSchedGraphNode::getInEdgeNum(MSchedGraphNode *pred) { + //Loop over all the successors of our predecessor + //return the edge the corresponds to this in edge + int count = 0; + for(MSchedGraphNode::succ_iterator I = pred->succ_begin(), E = pred->succ_end(); + I != E; ++I) { + if(*I == this) + return count; + count++; + } + assert(0 && "Should have found edge between this node and its predecessor!"); + abort(); +} +bool MSchedGraphNode::isSuccessor(MSchedGraphNode *succ) { + for(succ_iterator I = succ_begin(), E = succ_end(); I != E; ++I) + if(*I == succ) + return true; + return false; +} + + +bool MSchedGraphNode::isPredecessor(MSchedGraphNode *pred) { + if(find( Predecessors.begin(), Predecessors.end(), pred) != Predecessors.end()) + return true; + else + return false; +} + + void MSchedGraph::addNode(const MachineInstr *MI, MSchedGraphNode *node) { @@ -92,12 +121,15 @@ void MSchedGraph::buildNodesAndEdges() { MachineOpCode MIopCode = MI->getOpcode(); int delay; +#if 0 // FIXME: LOOK INTO THIS //Check if subsequent instructions can be issued before //the result is ready, if so use min delay. if(MTI.hasResultInterlock(MIopCode)) delay = MTI.minLatency(MIopCode); else - delay = MTI.maxLatency(MIopCode); +#endif + /// FIxME: get this from the sched class. + delay = 7; //MTI.maxLatency(MIopCode); //Create new node for this machine instruction and add to the graph. //Create only if not a nop |