\f
;;;; type frobbing VOPs
-(define-vop (get-lowtag)
- (:translate get-lowtag)
+(define-vop (lowtag-of)
+ (:translate lowtag-of)
(:policy :fast-safe)
(:args (object :scs (any-reg descriptor-reg)))
(:results (result :scs (unsigned-reg)))
(:generator 1
(inst and object lowtag-mask result)))
-(define-vop (get-type)
- (:translate get-type)
+(define-vop (widetag-of)
+ (:translate widetag-of)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:temporary (:scs (non-descriptor-reg)) ndescr)
(:generator 6
;; Pick off objects with headers.
(inst and object lowtag-mask result)
- (inst cmpeq result other-pointer-type ndescr)
+ (inst cmpeq result other-pointer-lowtag ndescr)
(inst bne ndescr other-ptr)
- (inst cmpeq result function-pointer-type ndescr)
+ (inst cmpeq result fun-pointer-lowtag ndescr)
(inst bne ndescr function-ptr)
;; Pick off structure and list pointers.
(inst blbs object done)
;; Pick off fixnums.
- (inst and object 3 result)
+ (inst and object fixnum-tag-mask result)
(inst beq result done)
;; Must be an other immediate.
- (inst and object type-mask result)
+ (inst and object widetag-mask result)
(inst br zero-tn done)
FUNCTION-PTR
- (load-type result object (- function-pointer-type))
+ (load-type result object (- fun-pointer-lowtag))
(inst br zero-tn done)
OTHER-PTR
- (load-type result object (- other-pointer-type))
-
+ (load-type result object (- other-pointer-lowtag))
+
DONE))
-(define-vop (function-subtype)
- (:translate function-subtype)
+(define-vop (fun-subtype)
+ (:translate fun-subtype)
(:policy :fast-safe)
(:args (function :scs (descriptor-reg)))
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
- (load-type result function (- function-pointer-type))))
+ (load-type result function (- fun-pointer-lowtag))))
-(define-vop (set-function-subtype)
- (:translate (setf function-subtype))
+(define-vop (set-fun-subtype)
+ (:translate (setf fun-subtype))
(:policy :fast-safe)
(:args (type :scs (unsigned-reg) :target result)
- (function :scs (descriptor-reg)))
+ (function :scs (descriptor-reg)))
(:arg-types positive-fixnum *)
(:temporary (:scs (non-descriptor-reg)) temp)
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
- (inst ldl temp (- function-pointer-type) function)
+ (inst ldl temp (- fun-pointer-lowtag) function)
(inst and temp #xff temp)
(inst bis type temp temp)
- (inst stl temp (- function-pointer-type) function)
+ (inst stl temp (- fun-pointer-lowtag) function)
(move type result)))
(:results (res :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
- (loadw res x 0 other-pointer-type)
- (inst srl res type-bits res)))
+ (loadw res x 0 other-pointer-lowtag)
+ (inst srl res n-widetag-bits res)))
(define-vop (get-closure-length)
(:translate get-closure-length)
(:results (res :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
- (loadw res x 0 function-pointer-type)
- (inst srl res type-bits res)))
+ (loadw res x 0 fun-pointer-lowtag)
+ (inst srl res n-widetag-bits res)))
(define-vop (set-header-data)
(:translate set-header-data)
(:policy :fast-safe)
(:args (x :scs (descriptor-reg) :target res)
- (data :scs (any-reg immediate zero)))
+ (data :scs (any-reg immediate zero)))
(:arg-types * positive-fixnum)
(:results (res :scs (descriptor-reg)))
(:temporary (:scs (non-descriptor-reg)) t1 t2)
(:generator 6
- (loadw t1 x 0 other-pointer-type)
- (inst and t1 type-mask t1)
+ (loadw t1 x 0 other-pointer-lowtag)
+ (inst and t1 widetag-mask t1)
(sc-case data
(any-reg
- (inst sll data (- type-bits 2) t2)
+ (inst sll data (- n-widetag-bits 2) t2)
(inst bis t1 t2 t1))
(immediate
- (let ((c (ash (tn-value data) type-bits)))
- (cond ((<= 0 c (1- (ash 1 8)))
- (inst bis t1 c t1))
- (t
- (inst li c t2)
- (inst bis t1 t2 t1)))))
+ (let ((c (ash (tn-value data) n-widetag-bits)))
+ (cond ((<= 0 c (1- (ash 1 8)))
+ (inst bis t1 c t1))
+ (t
+ (inst li c t2)
+ (inst bis t1 t2 t1)))))
(zero))
- (storew t1 x 0 other-pointer-type)
+ (storew t1 x 0 other-pointer-lowtag)
(move x res)))
(define-vop (make-fixnum)
(define-vop (make-other-immediate-type)
(:args (val :scs (any-reg descriptor-reg))
- (type :scs (any-reg descriptor-reg immediate)
- :target temp))
+ (type :scs (any-reg descriptor-reg immediate)
+ :target temp))
(:results (res :scs (any-reg descriptor-reg)))
(:temporary (:scs (non-descriptor-reg)) temp)
(:generator 2
(sc-case type
((immediate)
- (inst sll val type-bits temp)
+ (inst sll val n-widetag-bits temp)
(inst bis temp (tn-value type) res))
(t
- (inst sra type 2 temp)
- (inst sll val (- type-bits 2) res)
+ (inst sra type n-fixnum-tag-bits temp)
+ (inst sll val (- n-widetag-bits n-fixnum-tag-bits) res)
(inst bis res temp res)))))
\f
(:results (sap :scs (sap-reg)))
(:result-types system-area-pointer)
(:generator 10
- (loadw ndescr code 0 other-pointer-type)
- (inst srl ndescr type-bits ndescr)
+ (loadw ndescr code 0 other-pointer-lowtag)
+ (inst srl ndescr n-widetag-bits ndescr)
(inst sll ndescr word-shift ndescr)
- (inst subq ndescr other-pointer-type ndescr)
+ (inst subq ndescr other-pointer-lowtag ndescr)
(inst addq code ndescr sap)))
-(define-vop (compute-function)
+(define-vop (compute-fun)
(:args (code :scs (descriptor-reg))
- (offset :scs (signed-reg unsigned-reg)))
+ (offset :scs (signed-reg unsigned-reg)))
(:arg-types * positive-fixnum)
(:results (func :scs (descriptor-reg)))
(:temporary (:scs (non-descriptor-reg)) ndescr)
(:generator 10
- (loadw ndescr code 0 other-pointer-type)
- (inst srl ndescr type-bits ndescr)
+ (loadw ndescr code 0 other-pointer-lowtag)
+ (inst srl ndescr n-widetag-bits ndescr)
(inst sll ndescr word-shift ndescr)
(inst addq ndescr offset ndescr)
- (inst subq ndescr (- other-pointer-type function-pointer-type) ndescr)
+ (inst subq ndescr (- other-pointer-lowtag fun-pointer-lowtag) ndescr)
(inst addq code ndescr func)))
\f
;;;; other random VOPs.
-(defknown sb!unix::do-pending-interrupt () (values))
-(define-vop (sb!unix::do-pending-interrupt)
+(defknown sb!unix::receive-pending-interrupt () (values))
+(define-vop (sb!unix::receive-pending-interrupt)
(:policy :fast-safe)
- (:translate sb!unix::do-pending-interrupt)
+ (:translate sb!unix::receive-pending-interrupt)
(:generator 1
(inst gentrap pending-interrupt-trap)))
(define-vop (halt)
(:generator 1
(inst gentrap halt-trap)))
+
+(define-vop (istream-memory-barrier)
+ (:generator 1
+ (inst imb)))
\f
;;;; dynamic vop count collection support
(:temporary (:scs (non-descriptor-reg)) count)
(:generator 1
(let ((offset
- (- (* (+ index vector-data-offset) word-bytes) other-pointer-type)))
+ (- (* (+ index vector-data-offset) n-word-bytes)
+ other-pointer-lowtag)))
(inst ldl count offset count-vector)
(inst addq count 1 count)
(inst stl count offset count-vector))))
projects / sbcl.git / blobdiff