(define-move-fun (load-character 1) (vop x y)
((immediate) (character-reg))
- (inst li y (char-code (tn-value x))))
+ (inst lr y (char-code (tn-value x))))
(define-move-fun (load-system-area-pointer 1) (vop x y)
((immediate) (sap-reg))
(:temporary (:scs (non-descriptor-reg)) temp)
(:generator 4
(let ((done (gen-label)))
- (inst andi. temp x 3)
- (sc-case y
- (signed-reg
- (inst srawi y x 2))
- (unsigned-reg
- (inst srwi y x 2)))
+ (inst andi. temp x fixnum-tag-mask)
+ (inst srawi y x n-fixnum-tag-bits)
(inst beq done)
(loadw y x bignum-digits-offset other-pointer-lowtag)
(:result-types tagged-num)
(:note "fixnum tagging")
(:generator 1
- (inst slwi y x 2)))
+ (inst slwi y x n-fixnum-tag-bits)))
(define-move-vop move-from-word/fixnum :move
(signed-reg unsigned-reg) (any-reg descriptor-reg))
(inst mtxer zero-tn) ; clear sticky overflow bit in XER, CR0
(inst addo temp x x) ; set XER OV if top two bits differ
(inst addo. temp temp temp) ; set CR0 SO if any top three bits differ
- (inst slwi y x 2) ; assume fixnum (tagged ok, maybe lost some high bits)
+ (inst slwi y x n-fixnum-tag-bits) ; assume fixnum (tagged ok, maybe lost some high bits)
(inst bns done)
(with-fixed-allocation (y pa-flag temp bignum-widetag (1+ bignum-digits-offset))
(move x arg)
(let ((done (gen-label))
(one-word (gen-label)))
- (inst srawi. temp x 29)
- (inst slwi y x 2)
+ (inst srawi. temp x n-positive-fixnum-bits)
+ (inst slwi y x n-fixnum-tag-bits)
(inst beq done)
(with-fixed-allocation