diff options
-rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 39f8f05423..810335b4c5 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -855,6 +855,8 @@ Sched::Preference ARMTargetLowering::getSchedulingPreference(SDNode *N) const { for (unsigned i = 0; i != NumVals; ++i) { EVT VT = N->getValueType(i); + if (VT == MVT::Flag || VT == MVT::Other) + continue; if (VT.isFloatingPoint() || VT.isVector()) return Sched::Latency; } @@ -866,11 +868,13 @@ Sched::Preference ARMTargetLowering::getSchedulingPreference(SDNode *N) const { // is not available. const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); const TargetInstrDesc &TID = TII->get(N->getMachineOpcode()); - if (TID.mayLoad()) - return Sched::Latency; - if (!Itins->isEmpty() && Itins->getStageLatency(TID.getSchedClass()) > 2) + if (TID.getNumDefs() == 0) + return Sched::RegPressure; + if (!Itins->isEmpty() && + Itins->getOperandCycle(TID.getSchedClass(), 0) > 2) return Sched::Latency; + return Sched::RegPressure; } |