riscv: Add overrides to various StaticInst methods.

This makes riscv compile with the version of clang(++) I have on my
workstation.

Change-Id: I0478616810fbc8a715fd61323b7e0f73676c8328
Reviewed-on: https://gem5-review.googlesource.com/7643
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
diff --git a/src/arch/riscv/insts/static_inst.hh b/src/arch/riscv/insts/static_inst.hh
index bf34c9b..073b60c 100644
--- a/src/arch/riscv/insts/static_inst.hh
+++ b/src/arch/riscv/insts/static_inst.hh
@@ -75,23 +75,27 @@
 
     ~RiscvMacroInst() { microops.clear(); }
 
-    StaticInstPtr fetchMicroop(MicroPC upc) const { return microops[upc]; }
+    StaticInstPtr
+    fetchMicroop(MicroPC upc) const override
+    {
+        return microops[upc];
+    }
 
     Fault
-    initiateAcc(ExecContext *xc, Trace::InstRecord *traceData) const
+    initiateAcc(ExecContext *xc, Trace::InstRecord *traceData) const override
     {
         panic("Tried to execute a macroop directly!\n");
     }
 
     Fault
     completeAcc(PacketPtr pkt, ExecContext *xc,
-                Trace::InstRecord *traceData) const
+                Trace::InstRecord *traceData) const override
     {
         panic("Tried to execute a macroop directly!\n");
     }
 
     Fault
-    execute(ExecContext *xc, Trace::InstRecord *traceData) const
+    execute(ExecContext *xc, Trace::InstRecord *traceData) const override
     {
         panic("Tried to execute a macroop directly!\n");
     }
diff --git a/src/arch/riscv/isa/formats/amo.isa b/src/arch/riscv/isa/formats/amo.isa
index e3be237..1dca571 100644
--- a/src/arch/riscv/isa/formats/amo.isa
+++ b/src/arch/riscv/isa/formats/amo.isa
@@ -51,10 +51,11 @@
             // Constructor
             %(class_name)sLoad(ExtMachInst machInst, %(class_name)s *_p);
 
-            Fault execute(ExecContext *, Trace::InstRecord *) const;
-            Fault initiateAcc(ExecContext *, Trace::InstRecord *) const;
+            Fault execute(ExecContext *, Trace::InstRecord *) const override;
+            Fault initiateAcc(ExecContext *,
+                              Trace::InstRecord *) const override;
             Fault completeAcc(PacketPtr, ExecContext *,
-                              Trace::InstRecord *) const;
+                              Trace::InstRecord *) const override;
         };
 
         class %(class_name)sStore : public %(base_class)sMicro
@@ -63,10 +64,11 @@
             // Constructor
             %(class_name)sStore(ExtMachInst machInst, %(class_name)s *_p);
 
-            Fault execute(ExecContext *, Trace::InstRecord *) const;
-            Fault initiateAcc(ExecContext *, Trace::InstRecord *) const;
+            Fault execute(ExecContext *, Trace::InstRecord *) const override;
+            Fault initiateAcc(ExecContext *,
+                              Trace::InstRecord *) const override;
             Fault completeAcc(PacketPtr, ExecContext *,
-                              Trace::InstRecord *) const;
+                              Trace::InstRecord *) const override;
         };
     };
 }};
diff --git a/src/arch/riscv/isa/formats/basic.isa b/src/arch/riscv/isa/formats/basic.isa
index bb8401e..dd25ba6 100644
--- a/src/arch/riscv/isa/formats/basic.isa
+++ b/src/arch/riscv/isa/formats/basic.isa
@@ -40,7 +40,7 @@
       public:
         /// Constructor.
         %(class_name)s(MachInst machInst);
-        Fault execute(ExecContext *, Trace::InstRecord *) const;
+        Fault execute(ExecContext *, Trace::InstRecord *) const override;
         using %(base_class)s::generateDisassembly;
     };
 }};
diff --git a/src/arch/riscv/isa/formats/mem.isa b/src/arch/riscv/isa/formats/mem.isa
index d4c1754..a932d01 100644
--- a/src/arch/riscv/isa/formats/mem.isa
+++ b/src/arch/riscv/isa/formats/mem.isa
@@ -43,9 +43,10 @@
         /// Constructor.
         %(class_name)s(ExtMachInst machInst);
 
-        Fault execute(ExecContext *, Trace::InstRecord *) const;
-        Fault initiateAcc(ExecContext *, Trace::InstRecord *) const;
-        Fault completeAcc(PacketPtr, ExecContext *, Trace::InstRecord *) const;
+        Fault execute(ExecContext *, Trace::InstRecord *) const override;
+        Fault initiateAcc(ExecContext *, Trace::InstRecord *) const override;
+        Fault completeAcc(PacketPtr, ExecContext *,
+                          Trace::InstRecord *) const override;
     };
 }};
 
diff --git a/src/arch/riscv/isa/formats/standard.isa b/src/arch/riscv/isa/formats/standard.isa
index ebe1571..2e0e3ed 100644
--- a/src/arch/riscv/isa/formats/standard.isa
+++ b/src/arch/riscv/isa/formats/standard.isa
@@ -43,7 +43,7 @@
       public:
         /// Constructor.
         %(class_name)s(MachInst machInst);
-        Fault execute(ExecContext *, Trace::InstRecord *) const;
+        Fault execute(ExecContext *, Trace::InstRecord *) const override;
         std::string generateDisassembly(Addr pc,
             const SymbolTable *symtab) const override;
     };
@@ -99,7 +99,7 @@
       public:
         /// Constructor.
         %(class_name)s(MachInst machInst);
-        Fault execute(ExecContext *, Trace::InstRecord *) const;
+        Fault execute(ExecContext *, Trace::InstRecord *) const override;
 
         std::string
         generateDisassembly(Addr pc, const SymbolTable *symtab) const override;
@@ -158,7 +158,7 @@
       public:
         /// Constructor.
         %(class_name)s(MachInst machInst);
-        Fault execute(ExecContext *, Trace::InstRecord *) const;
+        Fault execute(ExecContext *, Trace::InstRecord *) const override;
 
         std::string
         generateDisassembly(Addr pc, const SymbolTable *symtab) const override;