cpu: add a condition-code register class

Add a third register class for condition codes,
in parallel with the integer and FP classes.
No ISAs use the CC class at this point though.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/arch/x86/isa.hh b/src/arch/x86/isa.hh
index 3ccc2f0ad..5f36fd7ad 100644
--- a/src/arch/x86/isa.hh
+++ b/src/arch/x86/isa.hh
@@ -85,6 +85,12 @@ namespace X86ISA
             return reg;
         }
 
+        int
+        flattenCCIndex(int reg)
+        {
+            return reg;
+        }
+
         void serialize(std::ostream &os);
         void unserialize(Checkpoint *cp, const std::string &section);
         void startup(ThreadContext *tc);