;;;; files for more information.
(in-package "SB!VM")
-
-(file-comment
- "$Header$")
\f
;;;; moves and coercions
(:note "character tagging")
(:generator 1
(move ah x) ; Maybe move char byte.
- (inst mov al base-char-type) ; x86 to type bits
+ (inst mov al base-char-widetag) ; x86 to type bits
(inst and eax-tn #xffff) ; Remove any junk bits.
(move y eax-tn)))
(define-move-vop move-from-base-char :move
(base-char-reg) (base-char-reg base-char-stack))
;;; Move untagged base-char arguments/return-values.
-(define-vop (move-base-char-argument)
+(define-vop (move-base-char-arg)
(:args (x :target y
:scs (base-char-reg))
(fp :scs (any-reg)
(inst mov
(make-ea :byte :base fp :disp (- (* (1+ (tn-offset y)) 4)))
x)))))
-(define-move-vop move-base-char-argument :move-argument
+(define-move-vop move-base-char-arg :move-arg
(any-reg base-char-reg) (base-char-reg))
-;;; Use standard MOVE-ARGUMENT + coercion to move an untagged base-char
+;;; Use standard MOVE-ARG + coercion to move an untagged base-char
;;; to a descriptor passing location.
-(define-move-vop move-argument :move-argument
+(define-move-vop move-arg :move-arg
(base-char-reg) (any-reg descriptor-reg))
\f
;;;; other operations
(define-vop (fast-char>/base-char base-char-compare)
(:translate char>)
(:variant :a :na))
+
+(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))