+void
+MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS,
+ const SubtargetFeatureKV *PF,
+ const SubtargetFeatureKV *PD,
+ const SubtargetInfoKV *PI,
+ const InstrStage *IS,
+ const unsigned *OC,
+ const unsigned *FP,
+ unsigned NF, unsigned NP) {
+ TargetTriple = TT;
+ ProcFeatures = PF;
+ ProcDesc = PD;
+ ProcItins = PI;
+ Stages = IS;
+ OperandCycles = OC;
+ ForwardingPathes = FP;
+ NumFeatures = NF;
+ NumProcs = NP;
+
+ SubtargetFeatures Features(FS);
+ FeatureBits = Features.getFeatureBits(CPU, ProcDesc, NumProcs,
+ ProcFeatures, NumFeatures);
+}
+
+
+/// ReInitMCSubtargetInfo - Change CPU (and optionally supplemented with
+/// feature string) and recompute feature bits.
+uint64_t MCSubtargetInfo::ReInitMCSubtargetInfo(StringRef CPU, StringRef FS) {
+ SubtargetFeatures Features(FS);
+ FeatureBits = Features.getFeatureBits(CPU, ProcDesc, NumProcs,
+ ProcFeatures, NumFeatures);
+ return FeatureBits;
+}
+
+/// ToggleFeature - Toggle a feature and returns the re-computed feature
+/// bits. This version does not change the implied bits.
+uint64_t MCSubtargetInfo::ToggleFeature(uint64_t FB) {
+ FeatureBits ^= FB;
+ return FeatureBits;
+}
+
+/// ToggleFeature - Toggle a feature and returns the re-computed feature
+/// bits. This version will also change all implied bits.
+uint64_t MCSubtargetInfo::ToggleFeature(StringRef FS) {
+ SubtargetFeatures Features;
+ FeatureBits = Features.ToggleFeature(FeatureBits, FS,
+ ProcFeatures, NumFeatures);
+ return FeatureBits;
+}
+
+