Use std::bitset for SubtargetFeatures

[oota-llvm.git] / lib / MC / MCSubtargetInfo.cpp

diff --git a/lib/MC/MCSubtargetInfo.cpp b/lib/MC/MCSubtargetInfo.cpp
index ca3894b29d39425adb3bb134db3c86ad0e1c9e36..aed91c5cadfd853e25db8b399112a54fa774f825 100644 (file)
--- a/lib/MC/MCSubtargetInfo.cpp
+++ b/lib/MC/MCSubtargetInfo.cpp
@@ -63,14 +63,19 @@ MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef C, StringRef FS,
 
 /// 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) {
+FeatureBitset MCSubtargetInfo::ToggleFeature(uint64_t FB) {
+  FeatureBits.flip(FB);
+  return FeatureBits;
+}
+
+FeatureBitset MCSubtargetInfo::ToggleFeature(const FeatureBitset &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) {
+FeatureBitset MCSubtargetInfo::ToggleFeature(StringRef FS) {
   SubtargetFeatures Features;
   FeatureBits = Features.ToggleFeature(FeatureBits, FS, ProcFeatures);
   return FeatureBits;