x64 spec squash: PR suggestions

Signed-off-by: Corey Lewis <[email protected]>

spec/abstract/X64/FPU_A.thy

@@ -25,7 +25,7 @@ definition load_fpu_state :: "obj_ref \<Rightarrow> (unit,'z::state_ext) s_monad
      do_machine_op (writeFpuState fpu_state)
    od"
 
-\<comment> \<open>FIXME: maybe use an if instead of the case (depends on if wpc or if\_split is easier)\<close>
+\<comment> \<open>FIXME FPU: maybe use an if instead of the case (depends on if wpc or if\_split is easier)\<close>
 definition switch_local_fpu_owner :: "obj_ref option \<Rightarrow> (unit,'z::state_ext) s_monad" where
   "switch_local_fpu_owner new_owner \<equiv> do
      do_machine_op enableFpu;