arch: Make all register index flattening const

This patch makes all the register index flattening methods const for
all the ISAs. As part of this, readMiscRegNoEffect for ARM is also
made const.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/arch/alpha/isa.hh b/src/arch/alpha/isa.hh
index 35a26c108..36515b520 100644
--- a/src/arch/alpha/isa.hh
+++ b/src/arch/alpha/isa.hh
@@ -96,26 +96,26 @@ namespace AlphaISA
         void unserialize(Checkpoint *cp, const std::string &section);
 
         int
-        flattenIntIndex(int reg)
+        flattenIntIndex(int reg) const
         {
             return reg;
         }
 
         int
-        flattenFloatIndex(int reg)
+        flattenFloatIndex(int reg) const
         {
             return reg;
         }
 
         // dummy
         int
-        flattenCCIndex(int reg)
+        flattenCCIndex(int reg) const
         {
             return reg;
         }
 
         int
-        flattenMiscIndex(int reg)
+        flattenMiscIndex(int reg) const
         {
             return reg;
         }