;;; Move untagged character values.
(define-vop (character-move)
(:args (x :target y
- :scs (character-reg)
- :load-if (not (location= x y))))
+ :scs (character-reg)
+ :load-if (not (location= x y))))
(:results (y :scs (character-reg)
- :load-if (not (location= x y))))
+ :load-if (not (location= x y))))
(:note "character move")
(:effects)
(:affected)
;;; Move untagged character arguments/return-values.
(define-vop (move-character-arg)
(:args (x :target y
- :scs (character-reg))
- (fp :scs (any-reg)
- :load-if (not (sc-is y character-reg))))
+ :scs (character-reg))
+ (fp :scs (any-reg)
+ :load-if (not (sc-is y character-reg))))
(:results (y))
(:note "character arg move")
(:generator 0
(:results (res :scs (any-reg)))
(:result-types positive-fixnum)
(:generator 1
- (inst slwi res ch 2)))
+ (inst slwi res ch n-fixnum-tag-bits)))
(define-vop (code-char)
(:translate code-char)
(:results (res :scs (character-reg)))
(:result-types character)
(:generator 1
- (inst srwi res code 2)))
+ (inst srwi res code n-fixnum-tag-bits)))
\f
;;; Comparison of characters.
(define-vop (character-compare)
(:args (x :scs (character-reg))
- (y :scs (character-reg)))
+ (y :scs (character-reg)))
(:arg-types character character)
(:conditional)
(:info target not-p)
(define-vop (character-compare/c)
(:args (x :scs (character-reg)))
- (:arg-types character (:constant character))
+ (:arg-types character
+ ;; KLUDGE: having a SATISFIES type here is too hairy for
+ ;; the cross-compiler (running on an arbitrary CL host)
+ ;; to cope with. Since we know we only have standard
+ ;; characters in the build anyway, we can restrict the
+ ;; cross-compiler's arg type to standard char, and all
+ ;; is well.
+ #+sb-xc-host
+ (:constant standard-char)
+ #-sb-xc-host
+ (:constant (satisfies inlinable-character-constant-p)))
(:conditional)
(:info target not-p y)
(:policy :fast-safe)