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/mips/isa.hh b/src/arch/mips/isa.hh
index eddf75272..d361d4371 100644
--- a/src/arch/mips/isa.hh
+++ b/src/arch/mips/isa.hh
@@ -167,26 +167,26 @@ namespace MipsISA
         ISA(Params *p);
 
         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;
         }