Faults: Get rid of the unused isAlignmentFault and isMachineCheckFault.

These functions aren't called anywhere and are probably only theoretically
useful.

src/arch/alpha/faults.hh

@@ -68,7 +68,6 @@ class MachineCheckFault : public AlphaFault
     FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
-    bool isMachineCheckFault() const {return true;}
 };
 
 class AlignmentFault : public AlphaFault

src/arch/power/faults.hh

@@ -83,12 +83,6 @@ class AlignmentFault : public PowerFault
         : PowerFault("Alignment")
     {
     }
-
-    bool
-    isAlignmentFault() const
-    {
-        return true;
-    }
 };
 
 

src/arch/sparc/faults.hh

@@ -139,11 +139,7 @@ class CleanWindow : public SparcFault<CleanWindow> {};
 class DivisionByZero : public SparcFault<DivisionByZero> {};
 
 class InternalProcessorError :
-    public SparcFault<InternalProcessorError>
-{
-  public:
-    bool isMachineCheckFault() const { return true; }
-};
+    public SparcFault<InternalProcessorError> {};
 
 class InstructionInvalidTSBEntry :
     public SparcFault<InstructionInvalidTSBEntry> {};
@@ -159,11 +155,7 @@ class DataAccessError : public SparcFault<DataAccessError> {};
 class DataAccessProtection : public SparcFault<DataAccessProtection> {};
 
 class MemAddressNotAligned :
-    public SparcFault<MemAddressNotAligned>
-{
-  public:
-    bool isAlignmentFault() const { return true; }
-};
+    public SparcFault<MemAddressNotAligned> {};
 
 class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {};
 

src/sim/faults.hh

@@ -57,8 +57,6 @@ class FaultBase : public RefCounted
     virtual FaultName name() const = 0;
     virtual void invoke(ThreadContext * tc,
             StaticInstPtr inst = StaticInst::nullStaticInstPtr);
-    virtual bool isMachineCheckFault() const {return false;}
-    virtual bool isAlignmentFault() const {return false;}
 };
 
 class UnimpFault : public FaultBase