+
+(define-vop (base-char-compare/c)
+ (:args (x :scs (base-char-reg base-char-stack)))
+ (:arg-types base-char (:constant base-char))
+ (:conditional)
+ (:info target not-p y)
+ (:policy :fast-safe)
+ (:note "inline constant comparison")
+ (:variant-vars condition not-condition)
+ (:generator 2
+ (inst cmp x (sb!xc:char-code y))
+ (inst jmp (if not-p not-condition condition) target)))
+
+(define-vop (fast-char=/base-char/c base-char-compare/c)
+ (:translate char=)
+ (:variant :e :ne))
+
+(define-vop (fast-char</base-char/c base-char-compare/c)
+ (:translate char<)
+ (:variant :b :nb))
+
+(define-vop (fast-char>/base-char/c base-char-compare/c)
+ (:translate char>)
+ (:variant :a :na))