;; it is a fixnum. The lowtag selection magic that is required to
;; ensure this is explained in the comment in objdef.lisp
(loadw res symbol symbol-hash-slot other-pointer-lowtag)
- (inst clrrwi res res (1- n-lowtag-bits))))
+ (inst clrrwi res res n-fixnum-tag-bits)))
\f
;;;; Fdefinition (fdefn) objects.
(loadw symbol bsp-tn (- binding-symbol-slot binding-size))
(loadw value bsp-tn (- binding-value-slot binding-size))
(storew value symbol symbol-value-slot other-pointer-lowtag)
+ (storew zero-tn bsp-tn (- binding-value-slot binding-size))
(storew zero-tn bsp-tn (- binding-symbol-slot binding-size))
(inst subi bsp-tn bsp-tn (* 2 n-word-bytes))))
(inst beq skip)
(loadw value bsp-tn (- binding-value-slot binding-size))
(storew value symbol symbol-value-slot other-pointer-lowtag)
+ (storew zero-tn bsp-tn (- binding-value-slot binding-size))
(storew zero-tn bsp-tn (- binding-symbol-slot binding-size))
(emit-label skip)
(:result-types unsigned-num)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:result-types unsigned-num)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:result-types single-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:result-types double-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:result-types complex-single-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:result-types complex-double-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
- (inst srwi offset offset n-widetag-bits)
- (inst slwi offset offset 2)
+ ;; offset = (offset >> n-widetag-bits) << 2
+ (inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset