[mips][mips64r6] [ls][dw][lr] are not available in MIPS32r6/MIPS64r6

[oota-llvm.git] / lib / Target / Mips / MipsSubtarget.h

diff --git a/lib/Target/Mips/MipsSubtarget.h b/lib/Target/Mips/MipsSubtarget.h
index 135dfec2e0092106401a8943e5be58e0e6542231..373f48136211ce8d5fcc37dc7c2ae4693470d912 100644 (file)
--- a/lib/Target/Mips/MipsSubtarget.h
+++ b/lib/Target/Mips/MipsSubtarget.h
@@ -82,6 +82,9 @@ protected:
   // HasMips3_32 - The subset of MIPS-III instructions added to MIPS32
   bool HasMips3_32;
 
+  // HasMips3_32r2 - The subset of MIPS-III instructions added to MIPS32r2
+  bool HasMips3_32r2;
+
   // HasMips4_32 - Has the subset of MIPS-IV present in MIPS32
   bool HasMips4_32;
 
@@ -231,7 +234,12 @@ public:
   /// \brief Reset the subtarget for the Mips target.
   void resetSubtarget(MachineFunction *MF);
 
-
+  /// Does the system support unaligned memory access.
+  ///
+  /// MIPS32r6/MIPS64r6 require full unaligned access support but does not
+  /// specify which component of the system provides it. Hardware, software, and
+  /// hybrid implementations are all valid.
+  bool systemSupportsUnalignedAccess() const { return hasMips32r6(); }
 };
 } // End llvm namespace