-(in-package "SB!VM")
+;;;; the MIPS VM definition of character operations
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
+(in-package "SB!VM")
\f
;;;; Moves and coercions:
;;; Move a tagged char to an untagged representation.
-;;;
-(define-vop (move-to-base-char)
+(define-vop (move-to-character)
(:args (x :scs (any-reg descriptor-reg)))
- (:results (y :scs (base-char-reg)))
+ (:results (y :scs (character-reg)))
+ (:note "character untagging")
(:generator 1
(inst srl y x n-widetag-bits)))
-;;;
-(define-move-vop move-to-base-char :move
- (any-reg descriptor-reg) (base-char-reg))
+(define-move-vop move-to-character :move
+ (any-reg descriptor-reg) (character-reg))
;;; Move an untagged char to a tagged representation.
-;;;
-(define-vop (move-from-base-char)
- (:args (x :scs (base-char-reg)))
+(define-vop (move-from-character)
+ (:args (x :scs (character-reg)))
(:results (y :scs (any-reg descriptor-reg)))
+ (:note "character tagging")
(:generator 1
(inst sll y x n-widetag-bits)
- (inst or y y base-char-widetag)))
-;;;
-(define-move-vop move-from-base-char :move
- (base-char-reg) (any-reg descriptor-reg))
-
-;;; Move untagged base-char values.
-;;;
-(define-vop (base-char-move)
+ (inst or y character-widetag)))
+
+(define-move-vop move-from-character :move
+ (character-reg) (any-reg descriptor-reg))
+
+;;; Move untagged character values.
+(define-vop (character-move)
(:args (x :target y
- :scs (base-char-reg)
- :load-if (not (location= x y))))
- (:results (y :scs (base-char-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))))
+ (:note "character move")
(:effects)
(:affected)
(:generator 0
(move y x)))
-;;;
-(define-move-vop base-char-move :move
- (base-char-reg) (base-char-reg))
+(define-move-vop character-move :move
+ (character-reg) (character-reg))
-;;; Move untagged base-char arguments/return-values.
-;;;
-(define-vop (move-base-char-arg)
+;;; Move untagged character arguments/return-values.
+(define-vop (move-character-arg)
(:args (x :target y
- :scs (base-char-reg))
- (fp :scs (any-reg)
- :load-if (not (sc-is y base-char-reg))))
+ :scs (character-reg))
+ (fp :scs (any-reg)
+ :load-if (not (sc-is y character-reg))))
(:results (y))
+ (:note "character arg move")
(:generator 0
(sc-case y
- (base-char-reg
+ (character-reg
(move y x))
- (base-char-stack
+ (character-stack
(storew x fp (tn-offset y))))))
-;;;
-(define-move-vop move-base-char-arg :move-arg
- (any-reg base-char-reg) (base-char-reg))
+(define-move-vop move-character-arg :move-arg
+ (any-reg character-reg) (character-reg))
-;;; Use standard MOVE-ARGUMENT + coercion to move an untagged base-char
-;;; to a descriptor passing location.
-;;;
+;;; Use standard MOVE-ARG + coercion to move an untagged character to
+;;; a descriptor passing location.
(define-move-vop move-arg :move-arg
- (base-char-reg) (any-reg descriptor-reg))
-
-
+ (character-reg) (any-reg descriptor-reg))
\f
;;;; Other operations:
-
(define-vop (char-code)
(:translate char-code)
(:policy :fast-safe)
- (:args (ch :scs (base-char-reg) :target res))
- (:arg-types base-char)
+ (:args (ch :scs (character-reg) :target res))
+ (:arg-types character)
(:results (res :scs (any-reg)))
(:result-types positive-fixnum)
(:generator 1
- (inst sll res ch 2)))
+ (inst sll res ch n-fixnum-tag-bits)))
(define-vop (code-char)
(:translate code-char)
(:policy :fast-safe)
(:args (code :scs (any-reg) :target res))
(:arg-types positive-fixnum)
- (:results (res :scs (base-char-reg)))
- (:result-types base-char)
+ (:results (res :scs (character-reg)))
+ (:result-types character)
(:generator 1
- (inst srl res code 2)))
-
+ (inst srl res code n-fixnum-tag-bits)))
\f
-;;; Comparison of base-chars.
-;;;
-(define-vop (base-char-compare pointer-compare)
- (:args (x :scs (base-char-reg))
- (y :scs (base-char-reg)))
- (:arg-types base-char base-char))
-
-(define-vop (fast-char=/base-char base-char-compare)
+;;; Comparison of characters.
+(define-vop (character-compare)
+ (:args (x :scs (character-reg))
+ (y :scs (character-reg)))
+ (:arg-types character character)
+ (:temporary (:scs (non-descriptor-reg)) temp)
+ (:conditional)
+ (:info target not-p)
+ (:policy :fast-safe)
+ (:note "inline comparison")
+ (:variant-vars condition)
+ (:generator 3
+ (three-way-comparison x y condition :unsigned not-p target temp)))
+
+(define-vop (fast-char=/character character-compare)
(:translate char=)
(:variant :eq))
-(define-vop (fast-char</base-char base-char-compare)
+(define-vop (fast-char</character character-compare)
(:translate char<)
(:variant :lt))
-(define-vop (fast-char>/base-char base-char-compare)
+(define-vop (fast-char>/character character-compare)
(:translate char>)
(:variant :gt))
projects / sbcl.git / blobdiff