(load-symbol y val))
(character
(inst li y (logior (ash (char-code val) n-widetag-bits)
- character-widetag))))))
+ character-widetag))))))
(define-move-fun (load-number 1) (vop x y)
((immediate zero)
(define-vop (move)
(:args (x :target y
- :scs (any-reg descriptor-reg zero null)
- :load-if (not (location= x y))))
+ :scs (any-reg descriptor-reg zero null)
+ :load-if (not (location= x y))))
(:results (y :scs (any-reg descriptor-reg)
- :load-if (not (location= x y))))
+ :load-if (not (location= x y))))
(:effects)
(:affected)
(:generator 0
;;; another frame for argument or known value passing.
(define-vop (move-arg)
(:args (x :target y
- :scs (any-reg descriptor-reg zero null))
- (fp :scs (any-reg)
- :load-if (not (sc-is y any-reg descriptor-reg))))
+ :scs (any-reg descriptor-reg zero null))
+ (fp :scs (any-reg)
+ :load-if (not (sc-is y any-reg descriptor-reg))))
(:results (y))
(:generator 0
(sc-case y
(inst andcc temp x fixnum-tag-mask)
(inst b :eq done)
(inst sra y x n-fixnum-tag-bits)
-
+
(loadw y x bignum-digits-offset other-pointer-lowtag)
-
+
(emit-label done))))
(define-move-vop move-to-word/integer :move
(:generator 20
(move x arg)
(let ((fixnum (gen-label))
- (done (gen-label)))
+ (done (gen-label)))
(inst sra temp x n-positive-fixnum-bits)
(inst cmp temp)
(inst b :eq fixnum)
(inst orncc temp zero-tn temp)
(inst b :eq done)
(inst sll y x n-fixnum-tag-bits)
-
+
(with-fixed-allocation
- (y temp bignum-widetag (1+ bignum-digits-offset))
- (storew x y bignum-digits-offset other-pointer-lowtag))
+ (y temp bignum-widetag (1+ bignum-digits-offset))
+ (storew x y bignum-digits-offset other-pointer-lowtag))
(inst b done)
(inst nop)
-
+
(emit-label fixnum)
(inst sll y x n-fixnum-tag-bits)
(emit-label done))))
(:generator 20
(move x arg)
(let ((done (gen-label))
- (one-word (gen-label)))
+ (one-word (gen-label)))
(inst sra temp x n-positive-fixnum-bits)
(inst cmp temp)
(inst b :eq done)
;; We always allocate 2 words even if we don't need it. (The
;; copying GC will take care of freeing the unused extra word.)
(with-fixed-allocation
- (y temp bignum-widetag (+ 2 bignum-digits-offset))
- (inst cmp x)
- (inst b :ge one-word)
- (inst li temp (logior (ash 1 n-widetag-bits) bignum-widetag))
- (inst li temp (logior (ash 2 n-widetag-bits) bignum-widetag))
- (emit-label one-word)
- ;; Set the header word, then the actual digit. The extra
- ;; digit, if any, is automatically set to zero, so we don't
- ;; have to.
- (storew temp y 0 other-pointer-lowtag)
- (storew x y bignum-digits-offset other-pointer-lowtag))
+ (y temp bignum-widetag (+ 2 bignum-digits-offset))
+ (inst cmp x)
+ (inst b :ge one-word)
+ (inst li temp (logior (ash 1 n-widetag-bits) bignum-widetag))
+ (inst li temp (logior (ash 2 n-widetag-bits) bignum-widetag))
+ (emit-label one-word)
+ ;; Set the header word, then the actual digit. The extra
+ ;; digit, if any, is automatically set to zero, so we don't
+ ;; have to.
+ (storew temp y 0 other-pointer-lowtag)
+ (storew x y bignum-digits-offset other-pointer-lowtag))
(emit-label done))))
(define-move-vop move-from-unsigned :move
;;; Move untagged numbers.
(define-vop (word-move)
(:args (x :target y
- :scs (signed-reg unsigned-reg)
- :load-if (not (location= x y))))
+ :scs (signed-reg unsigned-reg)
+ :load-if (not (location= x y))))
(:results (y :scs (signed-reg unsigned-reg)
- :load-if (not (location= x y))))
+ :load-if (not (location= x y))))
(:effects)
(:affected)
(:note "word integer move")
;;; Move untagged number arguments/return-values.
(define-vop (move-word-arg)
(:args (x :target y
- :scs (signed-reg unsigned-reg))
- (fp :scs (any-reg)
- :load-if (not (sc-is y sap-reg))))
+ :scs (signed-reg unsigned-reg))
+ (fp :scs (any-reg)
+ :load-if (not (sc-is y sap-reg))))
(:results (y))
(:note "word integer argument move")
(:generator 0