-;;;; the Alpha VM definition of SAP operations
+;;;; the SPARC VM definition of SAP operations
;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
(:args (sap :scs (sap-reg) :to :save))
(:temporary (:scs (non-descriptor-reg)) ndescr)
(:results (res :scs (descriptor-reg)))
- (:note "SAP to pointer coercion")
+ (:note "SAP to pointer coercion")
(:generator 20
(with-fixed-allocation (res ndescr sap-widetag sap-size)
(storew sap res sap-pointer-slot other-pointer-lowtag))))
;;; Move untagged SAP values.
(define-vop (sap-move)
(:args (x :target y
- :scs (sap-reg)
- :load-if (not (location= x y))))
+ :scs (sap-reg)
+ :load-if (not (location= x y))))
(:results (y :scs (sap-reg)
- :load-if (not (location= x y))))
+ :load-if (not (location= x y))))
(:note "SAP move")
(:effects)
(:affected)
;;; Move untagged SAP arguments/return-values.
(define-vop (move-sap-arg)
(:args (x :target y
- :scs (sap-reg))
- (fp :scs (any-reg)
- :load-if (not (sc-is y sap-reg))))
+ :scs (sap-reg))
+ (fp :scs (any-reg)
+ :load-if (not (sc-is y sap-reg))))
(:results (y))
(:note "SAP argument move")
(:generator 0
(define-vop (pointer+)
(:translate sap+)
(:args (ptr :scs (sap-reg))
- (offset :scs (signed-reg)))
+ (offset :scs (signed-reg)))
(:arg-types system-area-pointer signed-num)
(:results (res :scs (sap-reg)))
(:result-types system-area-pointer)
(define-vop (pointer-)
(:translate sap-)
(:args (ptr1 :scs (sap-reg))
- (ptr2 :scs (sap-reg)))
+ (ptr2 :scs (sap-reg)))
(:arg-types system-area-pointer system-area-pointer)
(:policy :fast-safe)
(:results (res :scs (signed-reg)))
;;;; mumble-SYSTEM-REF and mumble-SYSTEM-SET
(macrolet ((def-system-ref-and-set (ref-name set-name sc type size &optional signed)
- (let ((ref-name-c (symbolicate ref-name "-C"))
- (set-name-c (symbolicate set-name "-C")))
- `(progn
- (define-vop (,ref-name)
- (:translate ,ref-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg))
- (offset :scs (signed-reg)))
- (:arg-types system-area-pointer signed-num)
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 5
- ,@(if (eql size :long-float)
- '((load-long-reg result sap offset t))
- `((inst ,(ecase size
- (:byte (if signed 'ldsb 'ldub))
- (:short (if signed 'ldsh 'lduh))
- (:long 'ld)
- (:single 'ldf)
- (:double 'lddf))
- result sap offset)))))
- (define-vop (,ref-name-c)
- (:translate ,ref-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg)))
- (:arg-types system-area-pointer (:constant (signed-byte 13)))
- (:info offset)
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 4
- ,@(if (eql size :long-float)
- '((load-long-reg result sap offset t))
- `((inst ,(ecase size
- (:byte (if signed 'ldsb 'ldub))
- (:short (if signed 'ldsh 'lduh))
- (:long 'ld)
- (:single 'ldf)
- (:double 'lddf))
- result sap offset)))))
- (define-vop (,set-name)
- (:translate ,set-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg))
- (offset :scs (signed-reg))
- (value :scs (,sc) :target result))
- (:arg-types system-area-pointer signed-num ,type)
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 5
- ,@(if (eql size :long-float)
- '((store-long-reg value sap offset t))
- `((inst ,(ecase size
- (:byte 'stb)
- (:short 'sth)
- (:long 'st)
- (:single 'stf)
- (:double 'stdf))
- value sap offset)))
- (unless (location= result value)
- ,@(case size
- (:single
- '((inst fmovs result value)))
- (:double
- '((move-double-reg result value)))
- (:long-float
- '((move-long-reg result value)))
- (t
- '((inst move result value)))))))
- (define-vop (,set-name-c)
- (:translate ,set-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg))
- (value :scs (,sc) :target result))
- (:arg-types system-area-pointer (:constant (signed-byte 13)) ,type)
- (:info offset)
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 4
- ,@(if (eql size :long-float)
- '((store-long-reg value sap offset t))
- `((inst ,(ecase size
- (:byte 'stb)
- (:short 'sth)
- (:long 'st)
- (:single 'stf)
- (:double 'stdf))
- value sap offset)))
- (unless (location= result value)
- ,@(case size
- (:single
- '((inst fmovs result value)))
- (:double
- '((move-double-reg result value)))
- (:long-float
- '((move-long-reg result value)))
- (t
- '((inst move result value)))))))))))
+ (let ((ref-name-c (symbolicate ref-name "-C"))
+ (set-name-c (symbolicate set-name "-C")))
+ `(progn
+ (define-vop (,ref-name)
+ (:translate ,ref-name)
+ (:policy :fast-safe)
+ (:args (sap :scs (sap-reg))
+ (offset :scs (signed-reg)))
+ (:arg-types system-area-pointer signed-num)
+ (:results (result :scs (,sc)))
+ (:result-types ,type)
+ (:generator 5
+ ,@(if (eql size :long-float)
+ '((load-long-reg result sap offset t))
+ `((inst ,(ecase size
+ (:byte (if signed 'ldsb 'ldub))
+ (:short (if signed 'ldsh 'lduh))
+ (:long 'ld)
+ (:single 'ldf)
+ (:double 'lddf))
+ result sap offset)))))
+ (define-vop (,ref-name-c)
+ (:translate ,ref-name)
+ (:policy :fast-safe)
+ (:args (sap :scs (sap-reg)))
+ (:arg-types system-area-pointer (:constant (signed-byte 13)))
+ (:info offset)
+ (:results (result :scs (,sc)))
+ (:result-types ,type)
+ (:generator 4
+ ,@(if (eql size :long-float)
+ '((load-long-reg result sap offset t))
+ `((inst ,(ecase size
+ (:byte (if signed 'ldsb 'ldub))
+ (:short (if signed 'ldsh 'lduh))
+ (:long 'ld)
+ (:single 'ldf)
+ (:double 'lddf))
+ result sap offset)))))
+ (define-vop (,set-name)
+ (:translate ,set-name)
+ (:policy :fast-safe)
+ (:args (sap :scs (sap-reg))
+ (offset :scs (signed-reg))
+ (value :scs (,sc) :target result))
+ (:arg-types system-area-pointer signed-num ,type)
+ (:results (result :scs (,sc)))
+ (:result-types ,type)
+ (:generator 5
+ ,@(if (eql size :long-float)
+ '((store-long-reg value sap offset t))
+ `((inst ,(ecase size
+ (:byte 'stb)
+ (:short 'sth)
+ (:long 'st)
+ (:single 'stf)
+ (:double 'stdf))
+ value sap offset)))
+ (unless (location= result value)
+ ,@(case size
+ (:single
+ '((inst fmovs result value)))
+ (:double
+ '((move-double-reg result value)))
+ (:long-float
+ '((move-long-reg result value)))
+ (t
+ '((inst move result value)))))))
+ (define-vop (,set-name-c)
+ (:translate ,set-name)
+ (:policy :fast-safe)
+ (:args (sap :scs (sap-reg))
+ (value :scs (,sc) :target result))
+ (:arg-types system-area-pointer (:constant (signed-byte 13)) ,type)
+ (:info offset)
+ (:results (result :scs (,sc)))
+ (:result-types ,type)
+ (:generator 4
+ ,@(if (eql size :long-float)
+ '((store-long-reg value sap offset t))
+ `((inst ,(ecase size
+ (:byte 'stb)
+ (:short 'sth)
+ (:long 'st)
+ (:single 'stf)
+ (:double 'stdf))
+ value sap offset)))
+ (unless (location= result value)
+ ,@(case size
+ (:single
+ '((inst fmovs result value)))
+ (:double
+ '((move-double-reg result value)))
+ (:long-float
+ '((move-long-reg result value)))
+ (t
+ '((inst move result value)))))))))))
(def-system-ref-and-set sap-ref-8 %set-sap-ref-8
unsigned-reg positive-fixnum :byte nil)
signed-reg signed-num :long t)
(def-system-ref-and-set sap-ref-sap %set-sap-ref-sap
sap-reg system-area-pointer :long)
+ (def-system-ref-and-set sap-ref-lispobj %set-sap-ref-lispobj
+ descriptor-reg * :long)
(def-system-ref-and-set sap-ref-single %set-sap-ref-single
single-reg single-float :single)
(def-system-ref-and-set sap-ref-double %set-sap-ref-double
(:result-types system-area-pointer)
(:generator 2
(inst add sap vector
- (- (* vector-data-offset n-word-bytes) other-pointer-lowtag))))
-\f
-;;; Transforms for 64-bit SAP accessors.
-(deftransform sap-ref-64 ((sap offset) (* *))
- '(logior (ash (sap-ref-32 sap offset) 32)
- (sap-ref-32 sap (+ offset 4))))
-
-(deftransform signed-sap-ref-64 ((sap offset) (* *))
- '(logior (ash (signed-sap-ref-32 sap offset) 32)
- (sap-ref-32 sap (+ 4 offset))))
-
-(deftransform %set-sap-ref-64 ((sap offset value) (* * *))
- '(progn
- (%set-sap-ref-32 sap offset (ash value -32))
- (%set-sap-ref-32 sap (+ offset 4) (logand value #xffffffff))))
-
-(deftransform %set-signed-sap-ref-64 ((sap offset value) (* * *))
- '(progn
- (%set-signed-sap-ref-32 sap offset (ash value -32))
- (%set-sap-ref-32 sap (+ 4 offset) (logand value #xffffffff))))
+ (- (* vector-data-offset n-word-bytes) other-pointer-lowtag))))
projects / sbcl.git / blobdiff