(define-vop (set-slot)
(:args (object :scs (descriptor-reg))
- (value :scs (descriptor-reg any-reg immediate)))
+ (value :scs (descriptor-reg any-reg immediate)))
(:info name offset lowtag)
(:ignore name)
(:results)
(:generator 1
- (if (sc-is value immediate)
- (let ((val (tn-value value)))
- (etypecase val
- (integer
- (inst mov
- (make-ea :dword :base object
- :disp (- (* offset n-word-bytes) lowtag))
- (fixnumize val)))
- (symbol
- (inst mov
- (make-ea :dword :base object
- :disp (- (* offset n-word-bytes) lowtag))
- (+ nil-value (static-symbol-offset val))))
- (character
- (inst mov
- (make-ea :dword :base object
- :disp (- (* offset n-word-bytes) lowtag))
- (logior (ash (char-code val) n-widetag-bits)
- base-char-widetag)))))
- ;; Else, value not immediate.
- (storew value object offset lowtag))))
-\f
+ (storew (encode-value-if-immediate value) object offset lowtag)))
+(define-vop (init-slot set-slot))
+(define-vop (compare-and-swap-slot)
+ (:args (object :scs (descriptor-reg) :to :eval)
+ (old :scs (descriptor-reg any-reg) :target eax)
+ (new :scs (descriptor-reg any-reg)))
+ (:temporary (:sc descriptor-reg :offset eax-offset
+ :from (:argument 1) :to :result :target result)
+ eax)
+ (:info name offset lowtag)
+ (:ignore name)
+ (:results (result :scs (descriptor-reg any-reg)))
+ (:generator 5
+ (move eax old)
+ (inst cmpxchg (make-ea :dword :base object
+ :disp (- (* offset n-word-bytes) lowtag))
+ new :lock)
+ (move result eax)))
+\f
;;;; symbol hacking VOPs
-;;; these next two cf the sparc version, by jrd.
-;;; FIXME: Deref this ^ reference.
-
-
-;;; The compiler likes to be able to directly SET symbols.
-#!+sb-thread
-(define-vop (set)
- (:args (symbol :scs (descriptor-reg))
- (value :scs (descriptor-reg any-reg)))
- (:translate sb!kernel:%set-symbol-value)
- (:temporary (:sc descriptor-reg ) tls)
- ;;(:policy :fast-safe)
- (:generator 4
- (let ((global-val (gen-label))
- (done (gen-label)))
- (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
- (inst or tls tls)
- (inst jmp :z global-val)
- (inst fs-segment-prefix)
- (inst cmp (make-ea :dword :scale 1 :index tls) unbound-marker-widetag)
- (inst jmp :z global-val)
- (inst fs-segment-prefix)
- (inst mov (make-ea :dword :scale 1 :index tls) value)
- (inst jmp done)
- (emit-label global-val)
- (storew value symbol symbol-value-slot other-pointer-lowtag)
- (emit-label done))))
-
-;; unithreaded it's a lot simpler ...
-#!-sb-thread
-(define-vop (set cell-set)
- (:variant symbol-value-slot other-pointer-lowtag))
-
-;;; Do a cell ref with an error check for being unbound.
-;;; XXX stil used? I can't see where -dan
-(define-vop (checked-cell-ref)
- (:args (object :scs (descriptor-reg) :target obj-temp))
- (:results (value :scs (descriptor-reg any-reg)))
- (:policy :fast-safe)
- (:vop-var vop)
- (:save-p :compute-only)
- (:temporary (:sc descriptor-reg :from (:argument 0)) obj-temp))
-
-;;; With Symbol-Value, we check that the value isn't the trap object. So
-;;; Symbol-Value of NIL is NIL.
-#!+sb-thread
-(define-vop (symbol-value)
- (:translate symbol-value)
+(define-vop (%compare-and-swap-symbol-value)
+ (:translate %compare-and-swap-symbol-value)
+ (:args (symbol :scs (descriptor-reg) :to (:result 1))
+ (old :scs (descriptor-reg any-reg) :target eax)
+ (new :scs (descriptor-reg any-reg)))
+ (:temporary (:sc descriptor-reg :offset eax-offset) eax)
+ #!+sb-thread
+ (:temporary (:sc descriptor-reg) tls)
+ (:results (result :scs (descriptor-reg any-reg)))
(:policy :fast-safe)
- (:args (object :scs (descriptor-reg) :to (:result 1)))
- (:results (value :scs (descriptor-reg any-reg)))
(:vop-var vop)
- (:save-p :compute-only)
- (:generator 9
- (let* ((err-lab (generate-error-code vop unbound-symbol-error object))
- (ret-lab (gen-label)))
- (loadw value object symbol-tls-index-slot other-pointer-lowtag)
- (inst fs-segment-prefix)
- (inst mov value (make-ea :dword :index value :scale 1))
- (inst cmp value unbound-marker-widetag)
- (inst jmp :ne ret-lab)
- (loadw value object symbol-value-slot other-pointer-lowtag)
- (inst cmp value unbound-marker-widetag)
- (inst jmp :e err-lab)
- (emit-label ret-lab))))
+ (:generator 15
+ ;; This code has to pathological cases: NO-TLS-VALUE-MARKER
+ ;; or UNBOUND-MARKER as NEW: in either case we would end up
+ ;; doing possible damage with CMPXCHG -- so don't do that!
+ (let ((unbound (generate-error-code vop 'unbound-symbol-error symbol))
+ (check (gen-label)))
+ (move eax old)
+ #!+sb-thread
+ (progn
+ (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
+ ;; Thread-local area, no LOCK needed.
+ (with-tls-ea (EA :base tls :base-already-live-p t)
+ (inst cmpxchg EA new :maybe-fs))
+ (inst cmp eax no-tls-value-marker-widetag)
+ (inst jmp :ne check)
+ (move eax old))
+ (inst cmpxchg (make-ea :dword :base symbol
+ :disp (- (* symbol-value-slot n-word-bytes)
+ other-pointer-lowtag))
+ new :lock)
+ (emit-label check)
+ (move result eax)
+ (inst cmp result unbound-marker-widetag)
+ (inst jmp :e unbound))))
+
+(define-vop (%set-symbol-global-value cell-set)
+ (:variant symbol-value-slot other-pointer-lowtag))
-#!+sb-thread
-(define-vop (fast-symbol-value symbol-value)
+(define-vop (fast-symbol-global-value cell-ref)
+ (:variant symbol-value-slot other-pointer-lowtag)
(:policy :fast)
- (:translate symbol-value))
+ (:translate symbol-global-value))
-#!-sb-thread
-(define-vop (symbol-value)
- (:translate symbol-value)
+(define-vop (symbol-global-value)
(:policy :fast-safe)
+ (:translate symbol-global-value)
(:args (object :scs (descriptor-reg) :to (:result 1)))
(:results (value :scs (descriptor-reg any-reg)))
(:vop-var vop)
(:save-p :compute-only)
(:generator 9
- (let ((err-lab (generate-error-code vop unbound-symbol-error object)))
+ (let ((err-lab (generate-error-code vop 'unbound-symbol-error object)))
(loadw value object symbol-value-slot other-pointer-lowtag)
(inst cmp value unbound-marker-widetag)
(inst jmp :e err-lab))))
-#!-sb-thread
-(define-vop (fast-symbol-value cell-ref)
- (:variant symbol-value-slot other-pointer-lowtag)
- (:policy :fast)
- (:translate symbol-value))
-
-(defknown locked-symbol-global-value-add (symbol fixnum) fixnum ())
+#!+sb-thread
+(progn
+ (define-vop (set)
+ (:args (symbol :scs (descriptor-reg))
+ (value :scs (descriptor-reg any-reg)))
+ (:temporary (:sc descriptor-reg) tls)
+ (:generator 4
+ (let ((global-val (gen-label))
+ (done (gen-label)))
+ (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
+ (with-tls-ea (EA :base tls :base-already-live-p t)
+ (inst cmp EA no-tls-value-marker-widetag :maybe-fs)
+ (inst jmp :z global-val)
+ (inst mov EA value :maybe-fs))
+ (inst jmp done)
+ (emit-label global-val)
+ (storew value symbol symbol-value-slot other-pointer-lowtag)
+ (emit-label done))))
+
+ ;; With Symbol-Value, we check that the value isn't the trap object. So
+ ;; Symbol-Value of NIL is NIL.
+ (define-vop (symbol-value)
+ (:translate symbol-value)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg) :to (:result 1)))
+ (:results (value :scs (descriptor-reg any-reg)))
+ (:vop-var vop)
+ (:save-p :compute-only)
+ (:generator 9
+ (let* ((check-unbound-label (gen-label))
+ (err-lab (generate-error-code vop 'unbound-symbol-error object))
+ (ret-lab (gen-label)))
+ (loadw value object symbol-tls-index-slot other-pointer-lowtag)
+ (with-tls-ea (EA :base value :base-already-live-p t)
+ (inst mov value EA :maybe-fs))
+ (inst cmp value no-tls-value-marker-widetag)
+ (inst jmp :ne check-unbound-label)
+ (loadw value object symbol-value-slot other-pointer-lowtag)
+ (emit-label check-unbound-label)
+ (inst cmp value unbound-marker-widetag)
+ (inst jmp :e err-lab)
+ (emit-label ret-lab))))
+
+ (define-vop (fast-symbol-value symbol-value)
+ ;; KLUDGE: not really fast, in fact, because we're going to have to
+ ;; do a full lookup of the thread-local area anyway. But half of
+ ;; the meaning of FAST-SYMBOL-VALUE is "do not signal an error if
+ ;; unbound", which is used in the implementation of COPY-SYMBOL. --
+ ;; CSR, 2003-04-22
+ (:policy :fast)
+ (:translate symbol-value)
+ (:generator 8
+ (let ((ret-lab (gen-label)))
+ (loadw value object symbol-tls-index-slot other-pointer-lowtag)
+ (with-tls-ea (EA :base value :base-already-live-p t)
+ (inst mov value EA :maybe-fs))
+ (inst cmp value no-tls-value-marker-widetag)
+ (inst jmp :ne ret-lab)
+ (loadw value object symbol-value-slot other-pointer-lowtag)
+ (emit-label ret-lab)))))
-(define-vop (locked-symbol-global-value-add)
- (:args (object :scs (descriptor-reg) :to :result)
- (value :scs (any-reg) :target result))
- (:arg-types * tagged-num)
- (:results (result :scs (any-reg) :from (:argument 1)))
- (:policy :fast)
- (:translate locked-symbol-global-value-add)
- (:result-types tagged-num)
- (:policy :fast-safe)
- (:generator 4
- (move result value)
- (inst lock)
- (inst add (make-ea :dword :base object
- :disp (- (* symbol-value-slot n-word-bytes)
- other-pointer-lowtag))
- value)))
+#!-sb-thread
+(progn
+ (define-vop (symbol-value symbol-global-value)
+ (:translate symbol-value))
+ (define-vop (fast-symbol-value fast-symbol-global-value)
+ (:translate symbol-value))
+ (define-vop (set %set-symbol-global-value)))
#!+sb-thread
(define-vop (boundp)
(:translate boundp)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
- (:conditional)
- (:info target not-p)
+ (:conditional :ne)
(:temporary (:sc descriptor-reg #+nil(:from (:argument 0))) value)
(:generator 9
- (if not-p
- (let ((not-target (gen-label)))
- (loadw value object symbol-value-slot other-pointer-lowtag)
- (inst cmp value unbound-marker-widetag)
- (inst jmp :ne not-target)
- (loadw value object symbol-tls-index-slot other-pointer-lowtag)
- (inst fs-segment-prefix)
- (inst cmp (make-ea :dword :index value :scale 1) unbound-marker-widetag)
- (inst jmp :e target)
- (emit-label not-target))
- (progn
- (loadw value object symbol-value-slot other-pointer-lowtag)
- (inst cmp value unbound-marker-widetag)
- (inst jmp :ne target)
- (loadw value object symbol-tls-index-slot other-pointer-lowtag)
- (inst fs-segment-prefix)
- (inst cmp (make-ea :dword :index value :scale 1) unbound-marker-widetag)
- (inst jmp :ne target)))))
+ (let ((check-unbound-label (gen-label)))
+ (loadw value object symbol-tls-index-slot other-pointer-lowtag)
+ (with-tls-ea (EA :base value :base-already-live-p t)
+ (inst mov value EA :maybe-fs))
+ (inst cmp value no-tls-value-marker-widetag)
+ (inst jmp :ne check-unbound-label)
+ (loadw value object symbol-value-slot other-pointer-lowtag)
+ (emit-label check-unbound-label)
+ (inst cmp value unbound-marker-widetag))))
#!-sb-thread
(define-vop (boundp)
(:translate boundp)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
- (:conditional)
- (:info target not-p)
- (:temporary (:sc descriptor-reg :from (:argument 0)) value)
+ (:conditional :ne)
(:generator 9
- (loadw value object symbol-value-slot other-pointer-lowtag)
- (inst cmp value unbound-marker-widetag)
- (inst jmp (if not-p :e :ne) target)))
+ (inst cmp (make-ea-for-object-slot object symbol-value-slot
+ other-pointer-lowtag)
+ unbound-marker-widetag)))
(define-vop (symbol-hash)
\f
;;;; fdefinition (FDEFN) objects
-(define-vop (fdefn-fun cell-ref) ; /pfw - alpha
+(define-vop (fdefn-fun cell-ref) ; /pfw - alpha
(:variant fdefn-fun-slot other-pointer-lowtag))
(define-vop (safe-fdefn-fun)
(:generator 10
(loadw value object fdefn-fun-slot other-pointer-lowtag)
(inst cmp value nil-value)
- (let ((err-lab (generate-error-code vop undefined-fun-error object)))
+ (let ((err-lab (generate-error-code vop 'undefined-fun-error object)))
(inst jmp :e err-lab))))
(define-vop (set-fdefn-fun)
(:policy :fast-safe)
(:translate (setf fdefn-fun))
(:args (function :scs (descriptor-reg) :target result)
- (fdefn :scs (descriptor-reg)))
+ (fdefn :scs (descriptor-reg)))
(:temporary (:sc unsigned-reg) raw)
(:temporary (:sc byte-reg) type)
(:results (result :scs (descriptor-reg)))
(:generator 38
(load-type type function (- fun-pointer-lowtag))
(inst lea raw
- (make-ea :byte :base function
- :disp (- (* simple-fun-code-offset n-word-bytes)
- fun-pointer-lowtag)))
+ (make-ea-for-object-slot function simple-fun-code-offset
+ fun-pointer-lowtag))
(inst cmp type simple-fun-header-widetag)
(inst jmp :e normal-fn)
- (inst lea raw (make-fixup (extern-alien-name "closure_tramp") :foreign))
+ (inst lea raw (make-fixup "closure_tramp" :foreign))
NORMAL-FN
(storew function fdefn fdefn-fun-slot other-pointer-lowtag)
(storew raw fdefn fdefn-raw-addr-slot other-pointer-lowtag)
(:results (result :scs (descriptor-reg)))
(:generator 38
(storew nil-value fdefn fdefn-fun-slot other-pointer-lowtag)
- (storew (make-fixup (extern-alien-name "undefined_tramp") :foreign)
- fdefn fdefn-raw-addr-slot other-pointer-lowtag)
+ (storew (make-fixup "undefined_tramp" :foreign)
+ fdefn fdefn-raw-addr-slot other-pointer-lowtag)
(move result fdefn)))
\f
;;;; binding and unbinding
;;; BIND -- Establish VAL as a binding for SYMBOL. Save the old value and
;;; the symbol on the binding stack and stuff the new value into the
;;; symbol.
-
+;;; See the "Chapter 9: Specials" of the SBCL Internals Manual.
+;;
+;;; FIXME: Split into DYNBIND and BIND: DYNBIND needs to ensure
+;;; TLS-INDEX, whereas BIND should assume it is already in place. Make
+;;; LET &co compile into BIND, and PROGV into DYNBIND, plus ensure
+;;; TLS-INDEX at compile-time, and make loader and dumper preserve
+;;; the existence of a TLS-INDEX.
#!+sb-thread
(define-vop (bind)
(:args (val :scs (any-reg descriptor-reg))
- (symbol :scs (descriptor-reg)))
- (:temporary (:sc unsigned-reg) tls-index temp bsp)
- (:generator 5
- (let ((tls-index-valid (gen-label)))
- (load-tl-symbol-value bsp *binding-stack-pointer*)
- (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- (inst add bsp (* binding-size n-word-bytes))
- (store-tl-symbol-value bsp *binding-stack-pointer* temp)
-
- (inst or tls-index tls-index)
- (inst jmp :ne tls-index-valid)
- ;; allocate a new tls-index
- (load-symbol-value tls-index *free-tls-index*)
- (inst add tls-index 4) ;XXX surely we can do this more
- (store-symbol-value tls-index *free-tls-index*) ;succintly
- (inst sub tls-index 4)
- (storew tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- (emit-label tls-index-valid)
- (inst fs-segment-prefix)
- (inst mov temp (make-ea :dword :scale 1 :index tls-index))
- (storew temp bsp (- binding-value-slot binding-size))
- (storew symbol bsp (- binding-symbol-slot binding-size))
- (inst fs-segment-prefix)
- (inst mov (make-ea :dword :scale 1 :index tls-index) val))))
+ (symbol :scs (descriptor-reg)))
+ (:temporary (:sc unsigned-reg) tls-index bsp)
+ (:generator 10
+ (load-binding-stack-pointer bsp)
+ (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
+ (inst add bsp (* binding-size n-word-bytes))
+ (store-binding-stack-pointer bsp)
+ (inst test tls-index tls-index)
+ (inst jmp :ne tls-index-valid)
+ (inst mov tls-index symbol)
+ (inst call (make-fixup
+ (ecase (tn-offset tls-index)
+ (#.eax-offset 'alloc-tls-index-in-eax)
+ (#.ebx-offset 'alloc-tls-index-in-ebx)
+ (#.ecx-offset 'alloc-tls-index-in-ecx)
+ (#.edx-offset 'alloc-tls-index-in-edx)
+ (#.edi-offset 'alloc-tls-index-in-edi)
+ (#.esi-offset 'alloc-tls-index-in-esi))
+ :assembly-routine))
+ TLS-INDEX-VALID
+ (with-tls-ea (EA :base tls-index :base-already-live-p t)
+ (inst push EA :maybe-fs)
+ (popw bsp (- binding-value-slot binding-size))
+ (storew tls-index bsp (- binding-symbol-slot binding-size))
+ (inst mov EA val :maybe-fs))))
#!-sb-thread
(define-vop (bind)
(storew symbol bsp (- binding-symbol-slot binding-size))
(storew val symbol symbol-value-slot other-pointer-lowtag)))
-
#!+sb-thread
(define-vop (unbind)
- ;; four temporaries?
- (:temporary (:sc unsigned-reg) symbol value bsp tls-index)
+ (:temporary (:sc unsigned-reg) temp bsp tls-index)
(:generator 0
- (load-tl-symbol-value bsp *binding-stack-pointer*)
- (loadw symbol bsp (- binding-symbol-slot binding-size))
- (loadw value bsp (- binding-value-slot binding-size))
-
- (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- (inst fs-segment-prefix)
- (inst mov (make-ea :dword :scale 1 :index tls-index) value)
-
- (storew 0 bsp (- binding-symbol-slot binding-size))
+ (load-binding-stack-pointer bsp)
+ ;; Load SYMBOL from stack, and get the TLS-INDEX.
+ (loadw tls-index bsp (- binding-symbol-slot binding-size))
+ ;; Load VALUE from stack, then restore it to the TLS area.
+ (loadw temp bsp (- binding-value-slot binding-size))
+ (with-tls-ea (EA :base tls-index :base-already-live-p t)
+ (inst mov EA temp :maybe-fs))
+ ;; Zero out the stack.
(inst sub bsp (* binding-size n-word-bytes))
- ;; we're done with value, so we can use it as a temp here
- (store-tl-symbol-value bsp *binding-stack-pointer* value)))
+ (storew 0 bsp binding-symbol-slot)
+ (storew 0 bsp binding-value-slot)
+ (store-binding-stack-pointer bsp)))
#!-sb-thread
(define-vop (unbind)
(loadw value bsp (- binding-value-slot binding-size))
(storew value symbol symbol-value-slot other-pointer-lowtag)
(storew 0 bsp (- binding-symbol-slot binding-size))
+ (storew 0 bsp (- binding-value-slot binding-size))
(inst sub bsp (* binding-size n-word-bytes))
(store-symbol-value bsp *binding-stack-pointer*)))
(define-vop (unbind-to-here)
(:args (where :scs (descriptor-reg any-reg)))
- (:temporary (:sc unsigned-reg) symbol value bsp #!+sb-thread tls-index)
+ (:temporary (:sc unsigned-reg) symbol value bsp)
(:generator 0
- (load-tl-symbol-value bsp *binding-stack-pointer*)
+ (load-binding-stack-pointer bsp)
(inst cmp where bsp)
(inst jmp :e done)
LOOP
- (loadw symbol bsp (- binding-symbol-slot binding-size))
- (inst or symbol symbol)
+ (inst sub bsp (* binding-size n-word-bytes))
+ (loadw symbol bsp binding-symbol-slot)
+ (inst test symbol symbol)
(inst jmp :z skip)
- (loadw value bsp (- binding-value-slot binding-size))
+ ;; Bind stack debug sentinels have the unbound marker in the symbol slot
+ (inst cmp symbol unbound-marker-widetag)
+ (inst jmp :eq skip)
+ (loadw value bsp binding-value-slot)
#!-sb-thread (storew value symbol symbol-value-slot other-pointer-lowtag)
-
- #!+sb-thread (loadw
- tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- #!+sb-thread (inst fs-segment-prefix)
- #!+sb-thread (inst mov (make-ea :dword :scale 1 :index tls-index) value)
- (storew 0 bsp (- binding-symbol-slot binding-size))
+ #!+sb-thread (with-tls-ea (EA :base symbol :base-already-live-p t)
+ (inst mov EA value :maybe-fs))
+ (storew 0 bsp binding-symbol-slot)
SKIP
- (inst sub bsp (* binding-size n-word-bytes))
+ (storew 0 bsp binding-value-slot)
(inst cmp where bsp)
(inst jmp :ne loop)
- ;; we're done with value, so can use it as a temporary
- (store-tl-symbol-value bsp *binding-stack-pointer* value)
+ (store-binding-stack-pointer bsp)
DONE))
+
+(define-vop (bind-sentinel)
+ (:temporary (:sc unsigned-reg) bsp)
+ (:generator 1
+ (load-binding-stack-pointer bsp)
+ (inst add bsp (* binding-size n-word-bytes))
+ (storew unbound-marker-widetag bsp (- binding-symbol-slot binding-size))
+ (storew ebp-tn bsp (- binding-value-slot binding-size))
+ (store-binding-stack-pointer bsp)))
+
+(define-vop (unbind-sentinel)
+ (:temporary (:sc unsigned-reg) bsp)
+ (:generator 1
+ (load-binding-stack-pointer bsp)
+ (storew 0 bsp (- binding-value-slot binding-size))
+ (storew 0 bsp (- binding-symbol-slot binding-size))
+ (inst sub bsp (* binding-size n-word-bytes))
+ (store-binding-stack-pointer bsp)))
\f
\f
funcallable-instance-info-offset fun-pointer-lowtag
(descriptor-reg any-reg) * %funcallable-instance-info)
-(define-vop (funcallable-instance-lexenv cell-ref)
- (:variant funcallable-instance-lexenv-slot fun-pointer-lowtag))
-
(define-vop (closure-ref slot-ref)
(:variant closure-info-offset fun-pointer-lowtag))
(define-vop (closure-init slot-set)
(:variant closure-info-offset fun-pointer-lowtag))
+
+(define-vop (closure-init-from-fp)
+ (:args (object :scs (descriptor-reg)))
+ (:info offset)
+ (:generator 4
+ (storew ebp-tn object (+ closure-info-offset offset) fun-pointer-lowtag)))
\f
;;;; value cell hackery
(loadw res struct 0 instance-pointer-lowtag)
(inst shr res n-widetag-bits)))
-(define-vop (instance-ref slot-ref)
- (:variant instance-slots-offset instance-pointer-lowtag)
- (:policy :fast-safe)
- (:translate %instance-ref)
- (:arg-types instance (:constant index)))
-
-(define-vop (instance-set slot-set)
- (:policy :fast-safe)
- (:translate %instance-set)
- (:variant instance-slots-offset instance-pointer-lowtag)
- (:arg-types instance (:constant index) *))
-
-(define-full-reffer instance-index-ref * instance-slots-offset
- instance-pointer-lowtag (any-reg descriptor-reg) * %instance-ref)
-
-(define-full-setter instance-index-set * instance-slots-offset
- instance-pointer-lowtag (any-reg descriptor-reg) * %instance-set)
-
-
-(defknown %instance-set-conditional (instance index t t) t
- (unsafe))
-
-(define-vop (instance-set-conditional)
- (:translate %instance-set-conditional)
- (:args (object :scs (descriptor-reg) :to :eval)
- (slot :scs (any-reg) :to :result)
- (old-value :scs (descriptor-reg any-reg) :target eax)
- (new-value :scs (descriptor-reg any-reg)))
- (:arg-types instance positive-fixnum * *)
- (:temporary (:sc descriptor-reg :offset eax-offset
- :from (:argument 2) :to :result :target result) eax)
- (:results (result :scs (descriptor-reg any-reg)))
- ;(:guard (backend-featurep :i486))
- (:policy :fast-safe)
- (:generator 5
- (move eax old-value)
- (inst lock)
- (inst cmpxchg (make-ea :dword :base object :index slot :scale 1
- :disp (- (* instance-slots-offset n-word-bytes)
- instance-pointer-lowtag))
- new-value)
- (move result eax)))
+(define-full-reffer instance-index-ref *
+ instance-slots-offset instance-pointer-lowtag
+ (any-reg descriptor-reg) *
+ %instance-ref)
+(define-full-setter instance-index-set *
+ instance-slots-offset instance-pointer-lowtag
+ (any-reg descriptor-reg) *
+ %instance-set)
+(define-full-compare-and-swap %compare-and-swap-instance-ref instance
+ instance-slots-offset instance-pointer-lowtag
+ (any-reg descriptor-reg) *
+ %compare-and-swap-instance-ref)
\f
;;;; code object frobbing
(define-full-setter code-header-set * 0 other-pointer-lowtag
(any-reg descriptor-reg) * code-header-set)
+\f
+;;;; raw instance slot accessors
+
+(defun make-ea-for-raw-slot (object index instance-length n-words)
+ (if (integerp instance-length)
+ ;; For RAW-INSTANCE-INIT/* VOPs, which know the exact instance length
+ ;; at compile time.
+ (make-ea :dword
+ :base object
+ :disp (- (* (- instance-length instance-slots-offset index (1- n-words))
+ n-word-bytes)
+ instance-pointer-lowtag))
+ (flet ((make-ea-using-value (value)
+ (make-ea :dword :base object
+ :index instance-length
+ :scale 4
+ :disp (- (* (- instance-slots-offset n-words)
+ n-word-bytes)
+ instance-pointer-lowtag
+ (* value n-word-bytes)))))
+ (if (typep index 'tn)
+ (sc-case index
+ (any-reg (make-ea :dword
+ :base object
+ :index instance-length
+ :disp (- (* (- instance-slots-offset n-words)
+ n-word-bytes)
+ instance-pointer-lowtag)))
+ (immediate (make-ea-using-value (tn-value index))))
+ (make-ea-using-value index)))))
+
+(define-vop (raw-instance-ref/word)
+ (:translate %raw-instance-ref/word)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
+ (:arg-types * tagged-num)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (value :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (inst mov value (make-ea-for-raw-slot object index tmp 1))))
+
+(define-vop (raw-instance-set/word)
+ (:translate %raw-instance-set/word)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate))
+ (value :scs (unsigned-reg) :target result))
+ (:arg-types * tagged-num unsigned-num)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (inst mov (make-ea-for-raw-slot object index tmp 1) value)
+ (move result value)))
+
+(define-vop (raw-instance-init/word)
+ (:args (object :scs (descriptor-reg))
+ (value :scs (unsigned-reg)))
+ (:arg-types * unsigned-num)
+ (:info instance-length index)
+ (:generator 5
+ (inst mov (make-ea-for-raw-slot object index instance-length 1) value)))
+
+(define-vop (raw-instance-atomic-incf/word)
+ (:translate %raw-instance-atomic-incf/word)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate))
+ (diff :scs (unsigned-reg) :target result))
+ (:arg-types * tagged-num unsigned-num)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (inst xadd (make-ea-for-raw-slot object index tmp 1) diff :lock)
+ (move result diff)))
+
+(define-vop (raw-instance-ref/single)
+ (:translate %raw-instance-ref/single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
+ (:arg-types * tagged-num)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (value :scs (single-reg)))
+ (:result-types single-float)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (with-empty-tn@fp-top(value)
+ (inst fld (make-ea-for-raw-slot object index tmp 1)))))
+
+(define-vop (raw-instance-set/single)
+ (:translate %raw-instance-set/single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate))
+ (value :scs (single-reg) :target result))
+ (:arg-types * tagged-num single-float)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (single-reg)))
+ (:result-types single-float)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (unless (zerop (tn-offset value))
+ (inst fxch value))
+ (inst fst (make-ea-for-raw-slot object index tmp 1))
+ (cond
+ ((zerop (tn-offset value))
+ (unless (zerop (tn-offset result))
+ (inst fst result)))
+ ((zerop (tn-offset result))
+ (inst fst value))
+ (t
+ (unless (location= value result)
+ (inst fst result))
+ (inst fxch value)))))
+
+(define-vop (raw-instance-init/single)
+ (:args (object :scs (descriptor-reg))
+ (value :scs (single-reg)))
+ (:arg-types * single-float)
+ (:info instance-length index)
+ (:generator 5
+ (with-tn@fp-top (value)
+ (inst fst (make-ea-for-raw-slot object index instance-length 1)))))
+
+(define-vop (raw-instance-ref/double)
+ (:translate %raw-instance-ref/double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
+ (:arg-types * tagged-num)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (value :scs (double-reg)))
+ (:result-types double-float)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (with-empty-tn@fp-top(value)
+ (inst fldd (make-ea-for-raw-slot object index tmp 2)))))
+
+(define-vop (raw-instance-set/double)
+ (:translate %raw-instance-set/double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate))
+ (value :scs (double-reg) :target result))
+ (:arg-types * tagged-num double-float)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (double-reg)))
+ (:result-types double-float)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (unless (zerop (tn-offset value))
+ (inst fxch value))
+ (inst fstd (make-ea-for-raw-slot object index tmp 2))
+ (cond
+ ((zerop (tn-offset value))
+ (unless (zerop (tn-offset result))
+ (inst fstd result)))
+ ((zerop (tn-offset result))
+ (inst fstd value))
+ (t
+ (unless (location= value result)
+ (inst fstd result))
+ (inst fxch value)))))
+
+(define-vop (raw-instance-init/double)
+ (:args (object :scs (descriptor-reg))
+ (value :scs (double-reg)))
+ (:arg-types * double-float)
+ (:info instance-length index)
+ (:generator 5
+ (with-tn@fp-top (value)
+ (inst fstd (make-ea-for-raw-slot object index instance-length 2)))))
+
+(define-vop (raw-instance-ref/complex-single)
+ (:translate %raw-instance-ref/complex-single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate)))
+ (:arg-types * positive-fixnum)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (value :scs (complex-single-reg)))
+ (:result-types complex-single-float)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (let ((real-tn (complex-single-reg-real-tn value)))
+ (with-empty-tn@fp-top (real-tn)
+ (inst fld (make-ea-for-raw-slot object index tmp 2))))
+ (let ((imag-tn (complex-single-reg-imag-tn value)))
+ (with-empty-tn@fp-top (imag-tn)
+ (inst fld (make-ea-for-raw-slot object index tmp 1))))))
+
+(define-vop (raw-instance-set/complex-single)
+ (:translate %raw-instance-set/complex-single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate))
+ (value :scs (complex-single-reg) :target result))
+ (:arg-types * positive-fixnum complex-single-float)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (complex-single-reg)))
+ (:result-types complex-single-float)
+ (:generator 5
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (let ((value-real (complex-single-reg-real-tn value))
+ (result-real (complex-single-reg-real-tn result)))
+ (cond ((zerop (tn-offset value-real))
+ ;; Value is in ST0.
+ (inst fst (make-ea-for-raw-slot object index tmp 2))
+ (unless (zerop (tn-offset result-real))
+ ;; Value is in ST0 but not result.
+ (inst fst result-real)))
+ (t
+ ;; Value is not in ST0.
+ (inst fxch value-real)
+ (inst fst (make-ea-for-raw-slot object index tmp 2))
+ (cond ((zerop (tn-offset result-real))
+ ;; The result is in ST0.
+ (inst fst value-real))
+ (t
+ ;; Neither value or result are in ST0
+ (unless (location= value-real result-real)
+ (inst fst result-real))
+ (inst fxch value-real))))))
+ (let ((value-imag (complex-single-reg-imag-tn value))
+ (result-imag (complex-single-reg-imag-tn result)))
+ (inst fxch value-imag)
+ (inst fst (make-ea-for-raw-slot object index tmp 1))
+ (unless (location= value-imag result-imag)
+ (inst fst result-imag))
+ (inst fxch value-imag))))
+
+(define-vop (raw-instance-init/complex-single)
+ (:args (object :scs (descriptor-reg))
+ (value :scs (complex-single-reg)))
+ (:arg-types * complex-single-float)
+ (:info instance-length index)
+ (:generator 5
+ (let ((value-real (complex-single-reg-real-tn value)))
+ (with-tn@fp-top (value-real)
+ (inst fst (make-ea-for-raw-slot object index instance-length 2))))
+ (let ((value-imag (complex-single-reg-imag-tn value)))
+ (with-tn@fp-top (value-imag)
+ (inst fst (make-ea-for-raw-slot object index instance-length 1))))))
+
+(define-vop (raw-instance-ref/complex-double)
+ (:translate %raw-instance-ref/complex-double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate)))
+ (:arg-types * positive-fixnum)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (value :scs (complex-double-reg)))
+ (:result-types complex-double-float)
+ (:generator 7
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (let ((real-tn (complex-double-reg-real-tn value)))
+ (with-empty-tn@fp-top (real-tn)
+ (inst fldd (make-ea-for-raw-slot object index tmp 4))))
+ (let ((imag-tn (complex-double-reg-imag-tn value)))
+ (with-empty-tn@fp-top (imag-tn)
+ (inst fldd (make-ea-for-raw-slot object index tmp 2))))))
+
+(define-vop (raw-instance-set/complex-double)
+ (:translate %raw-instance-set/complex-double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate))
+ (value :scs (complex-double-reg) :target result))
+ (:arg-types * positive-fixnum complex-double-float)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (complex-double-reg)))
+ (:result-types complex-double-float)
+ (:generator 20
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (when (sc-is index any-reg)
+ (inst shl tmp n-fixnum-tag-bits)
+ (inst sub tmp index))
+ (let ((value-real (complex-double-reg-real-tn value))
+ (result-real (complex-double-reg-real-tn result)))
+ (cond ((zerop (tn-offset value-real))
+ ;; Value is in ST0.
+ (inst fstd (make-ea-for-raw-slot object index tmp 4))
+ (unless (zerop (tn-offset result-real))
+ ;; Value is in ST0 but not result.
+ (inst fstd result-real)))
+ (t
+ ;; Value is not in ST0.
+ (inst fxch value-real)
+ (inst fstd (make-ea-for-raw-slot object index tmp 4))
+ (cond ((zerop (tn-offset result-real))
+ ;; The result is in ST0.
+ (inst fstd value-real))
+ (t
+ ;; Neither value or result are in ST0
+ (unless (location= value-real result-real)
+ (inst fstd result-real))
+ (inst fxch value-real))))))
+ (let ((value-imag (complex-double-reg-imag-tn value))
+ (result-imag (complex-double-reg-imag-tn result)))
+ (inst fxch value-imag)
+ (inst fstd (make-ea-for-raw-slot object index tmp 2))
+ (unless (location= value-imag result-imag)
+ (inst fstd result-imag))
+ (inst fxch value-imag))))
+
+(define-vop (raw-instance-init/complex-double)
+ (:args (object :scs (descriptor-reg))
+ (value :scs (complex-double-reg)))
+ (:arg-types * complex-double-float)
+ (:info instance-length index)
+ (:generator 20
+ (let ((value-real (complex-double-reg-real-tn value)))
+ (with-tn@fp-top (value-real)
+ (inst fstd (make-ea-for-raw-slot object index instance-length 4))))
+ (let ((value-imag (complex-double-reg-imag-tn value)))
+ (with-tn@fp-top (value-imag)
+ (inst fstd (make-ea-for-raw-slot object index instance-length 2))))))
projects / sbcl.git / blobdiff