diff options
Diffstat (limited to 'lib/MC/MCSubtargetInfo.cpp')
| -rw-r--r-- | lib/MC/MCSubtargetInfo.cpp | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/lib/MC/MCSubtargetInfo.cpp b/lib/MC/MCSubtargetInfo.cpp index ae2e8a1d6c..3eae8cef1e 100644 --- a/lib/MC/MCSubtargetInfo.cpp +++ b/lib/MC/MCSubtargetInfo.cpp @@ -19,6 +19,20 @@ using namespace llvm; MCSchedModel MCSchedModel::DefaultSchedModel; // For unknown processors. +/// ReInitMCSubtargetInfo - Set or chaing the CPU (optionally supplemented +/// with feature string). Recompute feature bits and scheduling model. +void +MCSubtargetInfo::InitMCProcessorInfo(StringRef CPU, StringRef FS) { + SubtargetFeatures Features(FS); + FeatureBits = Features.getFeatureBits(CPU, ProcDesc, NumProcs, + ProcFeatures, NumFeatures); + + if (!CPU.empty()) + CPUSchedModel = getSchedModelForCPU(CPU); + else + CPUSchedModel = &MCSchedModel::DefaultSchedModel; +} + void MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS, const SubtargetFeatureKV *PF, @@ -45,20 +59,7 @@ MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS, NumFeatures = NF; NumProcs = NP; - SubtargetFeatures Features(FS); - FeatureBits = Features.getFeatureBits(CPU, ProcDesc, NumProcs, - ProcFeatures, NumFeatures); - - CPUSchedModel = getSchedModelForCPU(CPU); -} - -/// 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; + InitMCProcessorInfo(CPU, FS); } /// ToggleFeature - Toggle a feature and returns the re-computed feature |