Use the 'target-features' and 'target-cpu' attributes to reset the subtarget features.

[oota-llvm.git] / lib / Target / X86 / X86Subtarget.h

diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h
index 1466041712ec53484b5047baced53400ea585f7a..d1c706725def4e739702abea86a3fa14af3ce60c 100644 (file)
--- a/lib/Target/X86/X86Subtarget.h
+++ b/lib/Target/X86/X86Subtarget.h
@@ -168,11 +168,13 @@ protected:
   InstrItineraryData InstrItins;
 
 private:
+  /// StackAlignOverride - Override the stack alignment.
+  unsigned StackAlignOverride;
+
   /// In64BitMode - True if compiling for 64-bit, false for 32-bit.
   bool In64BitMode;
 
 public:
-
   /// This constructor initializes the data members to match that
   /// of the specified triple.
   ///
@@ -197,6 +199,10 @@ public:
   /// instruction.
   void AutoDetectSubtargetFeatures();
 
+  /// \brief Reset the features for the X86 target.
+  virtual void resetSubtargetFeatures(const MachineFunction *MF);
+  void resetSubtargetFeatures(StringRef CPU, StringRef FS);
+
   /// Is this x86_64? (disregarding specific ABI / programming model)
   bool is64Bit() const {
     return In64BitMode;