1 //===- MCSubtargetInfo.cpp - Subtarget Information ------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
30   if (F == A.end() || StringRef(F->Key) != S) return nullptr;  in Find()
62          "Feature flags should start with '+' or '-'");  in ApplyFeatureFlag()
71       Bits.set(FeatureEntry->Value);  in ApplyFeatureFlag()
74       SetImpliedBits(Bits, FeatureEntry->Implies.getAsBitset(), FeatureTable);  in ApplyFeatureFlag()
76       Bits.reset(FeatureEntry->Value);  in ApplyFeatureFlag()
79       ClearImpliedBits(Bits, FeatureEntry->Value, FeatureTable);  in ApplyFeatureFlag()
113     errs() << format("  %-*s - Select the %s processor.\n", MaxCPULen, CPU.Key,  in Help()
120     errs() << format("  %-*s - %s.\n", MaxFeatLen, Feature.Key, Feature.Desc);  in Help()
123   errs() << "Use +feature to enable a feature, or -feature to disable it.\n"  in Help()
124             "For example, llc -mcpu=mycpu -mattr=+feature1,-feature2\n";  in Help()
144   errs() << "Use -mcpu or -mtune to specify the target's processor.\n"  in cpuHelp()
145             "For example, clang --target=aarch64-unknown-linux-gnu "  in cpuHelp()
146             "-mcpu=cortex-a35\n";  in cpuHelp()
175       SetImpliedBits(Bits, CPUEntry->Implies.getAsBitset(), ProcFeatures);  in getFeatures()
188       SetImpliedBits(Bits, CPUEntry->TuneImplies.getAsBitset(), ProcFeatures);  in getFeatures()
232                                  const InstrStage *IS, const unsigned *OC,  in MCSubtargetInfo()  argument
237       OperandCycles(OC), ForwardingPaths(FP) {  in MCSubtargetInfo()
274     if (FeatureBits.test(FeatureEntry->Value)) {  in ToggleFeature()
275       FeatureBits.reset(FeatureEntry->Value);  in ToggleFeature()
277       ClearImpliedBits(FeatureBits, FeatureEntry->Value, ProcFeatures);  in ToggleFeature()
279       FeatureBits.set(FeatureEntry->Value);  in ToggleFeature()
282       SetImpliedBits(FeatureBits, FeatureEntry->Implies.getAsBitset(),  in ToggleFeature()
303     if (F[0] == '-')  in checkFeatures()
324   assert(CPUEntry->SchedModel && "Missing processor SchedModel value");  in getSchedModelForCPU()
325   return *CPUEntry->SchedModel;  in getSchedModelForCPU()
349 std::optional<unsigned> MCSubtargetInfo::getCacheSize(unsigned Level) const {  in getCacheSize()
354 MCSubtargetInfo::getCacheAssociativity(unsigned Level) const {  in getCacheAssociativity()
359 MCSubtargetInfo::getCacheLineSize(unsigned Level) const {  in getCacheLineSize()