ARM: Adjust the FP_Base_DepTag to be larger than the largest int reg index.

src/arch/arm/registers.hh

@@ -83,7 +83,7 @@ const int SyscallPseudoReturnReg = ReturnValueReg;
 const int SyscallSuccessReg = ReturnValueReg;
 
 // These help enumerate all the registers for dependence tracking.
-const int FP_Base_DepTag = NumIntRegs;
+const int FP_Base_DepTag = NumIntRegs * (MODE_MAXMODE + 1);
 const int Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs;
 
 typedef union {

src/arch/arm/types.hh

@@ -241,7 +241,8 @@ namespace ArmISA
         MODE_MON = 22,
         MODE_ABORT = 23,
         MODE_UNDEFINED = 27,
-        MODE_SYSTEM = 31
+        MODE_SYSTEM = 31,
+        MODE_MAXMODE = MODE_SYSTEM
     };
 
     static inline bool