[mips][ias] Range check uimm2 operands and fix a bug this revealed.

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

diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.h b/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.h
index 56f286ab3d9db840d8547d86acfc54eebd07c7b4..c2f4b6a72bbf66fe2e504035918249b4f2e184d1 100644 (file)
--- a/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.h
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.h
@@ -191,10 +191,11 @@ public:
                               SmallVectorImpl<MCFixup> &Fixups,
                               const MCSubtargetInfo &STI) const;
 
-  // getLSAImmEncoding - Return binary encoding of LSA immediate.
-  unsigned getLSAImmEncoding(const MCInst &MI, unsigned OpNo,
-                             SmallVectorImpl<MCFixup> &Fixups,
-                             const MCSubtargetInfo &STI) const;
+  /// Subtract Offset then encode as a N-bit unsigned integer.
+  template <unsigned Bits, int Offset>
+  unsigned getUImmWithOffsetEncoding(const MCInst &MI, unsigned OpNo,
+                                     SmallVectorImpl<MCFixup> &Fixups,
+                                     const MCSubtargetInfo &STI) const;
 
   unsigned getSimm19Lsl2Encoding(const MCInst &MI, unsigned OpNo,
                                  SmallVectorImpl<MCFixup> &Fixups,