ARM: Implement base classes for the saturation instructions.

1 files changed, 36 insertions, 0 deletions

diff --git a/src/arch/arm/insts/misc.hh b/src/arch/arm/insts/misc.hh
index ae8d20e79..f4520478e 100644
--- a/src/arch/arm/insts/misc.hh
+++ b/src/arch/arm/insts/misc.hh
@@ -108,4 +108,40 @@ class RevOp : public PredOp
     std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
 };
 
+class SatOp : public PredOp
+{
+  protected:
+    IntRegIndex dest;
+    uint32_t satImm;
+    IntRegIndex op1;
+
+    SatOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
+          IntRegIndex _dest, uint32_t _satImm, IntRegIndex _op1) :
+        PredOp(mnem, _machInst, __opClass),
+        dest(_dest), satImm(_satImm), op1(_op1)
+    {}
+
+    std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+};
+
+class SatShiftOp : public PredOp
+{
+  protected:
+    IntRegIndex dest;
+    uint32_t satImm;
+    IntRegIndex op1;
+    int32_t shiftAmt;
+    ArmShiftType shiftType;
+
+    SatShiftOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
+               IntRegIndex _dest, uint32_t _satImm, IntRegIndex _op1,
+               int32_t _shiftAmt, ArmShiftType _shiftType) :
+        PredOp(mnem, _machInst, __opClass),
+        dest(_dest), satImm(_satImm), op1(_op1),
+        shiftAmt(_shiftAmt), shiftType(_shiftType)
+    {}
+
+    std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+};
+
 #endif