(:results (res :scs (any-reg)))
(:result-types positive-fixnum)
(:generator 1
- (inst sll res ch fixnum-tag-bits)))
+ (inst sll res ch n-fixnum-tag-bits)))
(define-vop (code-char)
(:translate code-char)
(:results (res :scs (base-char-reg)))
(:result-types base-char)
(:generator 1
- (inst srl res code fixnum-tag-bits)))
+ (inst srl res code n-fixnum-tag-bits)))
\f
;;; Comparison of base-chars.
(define-vop (fast-char>/base-char base-char-compare)
(:translate char>)
(:variant :gtu :leu))
+
+(define-vop (base-char-compare/c)
+ (:args (x :scs (base-char-reg)))
+ (: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 b (if not-p not-condition condition) target)
+ (inst nop)))
+
+(define-vop (fast-char=/base-char/c base-char-compare/c)
+ (:translate char=)
+ (:variant :eq :ne))
+
+(define-vop (fast-char</base-char/c base-char-compare/c)
+ (:translate char<)
+ (:variant :ltu :geu))
+
+(define-vop (fast-char>/base-char/c base-char-compare/c)
+ (:translate char>)
+ (:variant :gtu :leu))