(:ignore name)
(:results (result :scs (descriptor-reg any-reg)))
(:generator 1
- (loadw result object offset lowtag)))
+ (loadw result object offset lowtag)))
(define-vop (set-slot)
(:args (object :scs (descriptor-reg))
temp))
;; Else, value not immediate.
(storew value object offset lowtag))))
-\f
-
+(define-vop (compare-and-swap-slot)
+ (:args (object :scs (descriptor-reg) :to :eval)
+ (old :scs (descriptor-reg any-reg) :target rax)
+ (new :scs (descriptor-reg any-reg)))
+ (:temporary (:sc descriptor-reg :offset rax-offset
+ :from (:argument 1) :to :result :target result)
+ rax)
+ (:info name offset lowtag)
+ (:ignore name)
+ (:results (result :scs (descriptor-reg any-reg)))
+ (:generator 5
+ (move rax old)
+ #!+sb-thread
+ (inst lock)
+ (inst cmpxchg (make-ea :qword :base object
+ :disp (- (* offset n-word-bytes) lowtag))
+ new)
+ (move result rax)))
+\f
;;;; symbol hacking VOPs
+(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 rax)
+ (new :scs (descriptor-reg any-reg)))
+ (:temporary (:sc descriptor-reg :offset rax-offset) rax)
+ #!+sb-thread
+ (:temporary (:sc descriptor-reg) tls)
+ (:results (result :scs (descriptor-reg any-reg)))
+ (:policy :fast-safe)
+ (:vop-var vop)
+ (:generator 15
+ ;; This code has two 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 rax old)
+ #!+sb-thread
+ (progn
+ (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
+ ;; Thread-local area, no LOCK needed.
+ (inst cmpxchg (make-ea :qword :base thread-base-tn
+ :index tls :scale 1)
+ new)
+ (inst cmp rax no-tls-value-marker-widetag)
+ (inst jmp :ne check)
+ (move rax old)
+ (inst lock))
+ (inst cmpxchg (make-ea :qword :base symbol
+ :disp (- (* symbol-value-slot n-word-bytes)
+ other-pointer-lowtag)
+ :scale 1)
+ new)
+ (emit-label check)
+ (move result rax)
+ (inst cmp result unbound-marker-widetag)
+ (inst jmp :e unbound))))
+
;;; these next two cf the sparc version, by jrd.
;;; FIXME: Deref this ^ reference.
(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 cmp (make-ea :qword :base thread-base-tn :scale 1 :index tls)
no-tls-value-marker-widetag)
(inst jmp :z global-val)
(:save-p :compute-only)
(:generator 9
(let* ((check-unbound-label (gen-label))
- (err-lab (generate-error-code vop unbound-symbol-error object))
+ (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 mov value (make-ea :qword :base thread-base-tn
(: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))))
(: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)
(define-vop (bind)
(:args (val :scs (any-reg descriptor-reg))
(symbol :scs (descriptor-reg)))
- (:temporary (:sc descriptor-reg :offset rax-offset) rax)
- (:temporary (:sc unsigned-reg) tls-index temp bsp)
+ (:temporary (:sc unsigned-reg) tls-index bsp)
(:generator 10
- (let ((tls-index-valid (gen-label))
- (get-tls-index-lock (gen-label))
- (release-tls-index-lock (gen-label)))
+ (let ((tls-index-valid (gen-label)))
(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 or tls-index tls-index)
(inst jmp :ne tls-index-valid)
-
- (pseudo-atomic
- (emit-label get-tls-index-lock)
- (inst mov temp 1)
- (zeroize rax)
- (inst lock)
- (inst cmpxchg (make-ea-for-symbol-value *tls-index-lock*) temp)
- (inst jmp :ne get-tls-index-lock)
- ;; now with the lock held, see if the symbol's tls index has
- ;; been set in the meantime
- (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- (inst or tls-index tls-index)
- (inst jmp :ne release-tls-index-lock)
- ;; allocate a new tls-index
- (load-symbol-value tls-index *free-tls-index*)
- (inst add tls-index 8) ;XXX surely we can do this more
- (store-symbol-value tls-index *free-tls-index*) ;succintly
- (inst sub tls-index 8)
- (storew tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- (emit-label release-tls-index-lock)
- (store-symbol-value 0 *tls-index-lock*))
-
+ (inst mov tls-index symbol)
+ (inst lea temp-reg-tn
+ (make-ea :qword :disp
+ (make-fixup (ecase (tn-offset tls-index)
+ (#.rax-offset 'alloc-tls-index-in-rax)
+ (#.rcx-offset 'alloc-tls-index-in-rcx)
+ (#.rdx-offset 'alloc-tls-index-in-rdx)
+ (#.rbx-offset 'alloc-tls-index-in-rbx)
+ (#.rsi-offset 'alloc-tls-index-in-rsi)
+ (#.rdi-offset 'alloc-tls-index-in-rdi)
+ (#.r8-offset 'alloc-tls-index-in-r8)
+ (#.r9-offset 'alloc-tls-index-in-r9)
+ (#.r10-offset 'alloc-tls-index-in-r10)
+ (#.r12-offset 'alloc-tls-index-in-r12)
+ (#.r13-offset 'alloc-tls-index-in-r13)
+ (#.r14-offset 'alloc-tls-index-in-r14)
+ (#.r15-offset 'alloc-tls-index-in-r15))
+ :assembly-routine)))
+ (inst call temp-reg-tn)
(emit-label tls-index-valid)
- (inst mov temp
- (make-ea :qword :base thread-base-tn :scale 1 :index tls-index))
- (storew temp bsp (- binding-value-slot binding-size))
+ (inst push (make-ea :qword :base thread-base-tn :scale 1 :index tls-index))
+ (popw bsp (- binding-value-slot binding-size))
(storew symbol bsp (- binding-symbol-slot binding-size))
(inst mov (make-ea :qword :base thread-base-tn :scale 1 :index tls-index)
val))))
(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-binding-stack-pointer bsp)
- (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)
+ ;; Load SYMBOL from stack, and get the TLS-INDEX
+ (loadw temp bsp (- binding-symbol-slot binding-size))
+ (loadw tls-index temp symbol-tls-index-slot other-pointer-lowtag)
+ ;; Load VALUE from stack, the restore it to the TLS area.
+ (loadw temp bsp (- binding-value-slot binding-size))
(inst mov (make-ea :qword :base thread-base-tn :scale 1 :index tls-index)
- value)
-
+ temp)
+ ;; Zero out the stack.
(storew 0 bsp (- binding-symbol-slot binding-size))
(storew 0 bsp (- binding-value-slot binding-size))
(inst sub bsp (* binding-size n-word-bytes))
(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)
(loadw symbol bsp (- binding-symbol-slot binding-size))
(inst or symbol symbol)
(inst jmp :z SKIP)
+ ;; 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 binding-size))
#!-sb-thread
(storew value symbol symbol-value-slot other-pointer-lowtag)
(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 rbp-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
(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 rax)
- (new-value :scs (descriptor-reg any-reg)))
- (:arg-types instance positive-fixnum * *)
- (:temporary (:sc descriptor-reg :offset rax-offset
- :from (:argument 2) :to :result :target result) rax)
- (:results (result :scs (descriptor-reg any-reg)))
- ;(:guard (backend-featurep :i486))
- (:policy :fast-safe)
- (:generator 5
- (move rax old-value)
- (inst lock)
- (inst cmpxchg (make-ea :qword :base object :index slot :scale 1
- :disp (- (* instance-slots-offset n-word-bytes)
- instance-pointer-lowtag))
- new-value)
- (move result rax)))
-
-
+(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
&optional (adjustment 0))
- (etypecase index
- (tn
- (make-ea :qword :base object :index instance-length
- :disp (+ (* (1- instance-slots-offset) n-word-bytes)
- (- instance-pointer-lowtag)
- adjustment)))
- (integer
- (make-ea :qword :base object :index instance-length
- :scale 8
- :disp (+ (* (1- instance-slots-offset) n-word-bytes)
- (- instance-pointer-lowtag)
- adjustment
- (- (fixnumize index)))))))
+ (if (integerp instance-length)
+ ;; For RAW-INSTANCE-INIT/* VOPs, which know the exact instance length
+ ;; at compile time.
+ (make-ea :qword
+ :base object
+ :disp (+ (* (- instance-length instance-slots-offset index)
+ n-word-bytes)
+ (- instance-pointer-lowtag)
+ adjustment))
+ (etypecase index
+ (tn
+ (make-ea :qword :base object :index instance-length
+ :disp (+ (* (1- instance-slots-offset) n-word-bytes)
+ (- instance-pointer-lowtag)
+ adjustment)))
+ (integer
+ (make-ea :qword :base object :index instance-length
+ :scale 8
+ :disp (+ (* (1- instance-slots-offset) n-word-bytes)
+ (- instance-pointer-lowtag)
+ adjustment
+ (* index (- n-word-bytes))))))))
(define-vop (raw-instance-ref/word)
(:translate %raw-instance-ref/word)
(inst mov (make-ea-for-raw-slot object index tmp) 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 4
+ (inst mov (make-ea-for-raw-slot object index instance-length) value)))
+
+(define-vop (raw-instance-atomic-incf-c/word)
+ (:translate %raw-instance-atomic-incf/word)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (diff :scs (signed-reg) :target result))
+ (:arg-types * (:constant (load/store-index #.n-word-bytes
+ #.instance-pointer-lowtag
+ #.instance-slots-offset))
+ signed-num)
+ (:info index)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:generator 4
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ #!+sb-thread
+ (inst lock)
+ (inst xadd (make-ea-for-raw-slot object index tmp) diff)
+ (move result diff)))
+
(define-vop (raw-instance-ref/single)
(:translate %raw-instance-ref/single)
(:policy :fast-safe)
(unless (location= result value)
(inst movss result 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 4
+ (inst movss (make-ea-for-raw-slot object index instance-length) value)))
+
(define-vop (raw-instance-ref/double)
(:translate %raw-instance-ref/double)
(:policy :fast-safe)
(unless (location= result value)
(inst movsd result 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 4
+ (inst movsd (make-ea-for-raw-slot object index instance-length) value)))
+
(define-vop (raw-instance-ref/complex-single)
(:translate %raw-instance-ref/complex-single)
(:policy :fast-safe)
(unless (location= value-imag result-imag)
(inst movss result-imag 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 4
+ (let ((value-real (complex-single-reg-real-tn value)))
+ (inst movss (make-ea-for-raw-slot object index instance-length) value-real))
+ (let ((value-imag (complex-single-reg-imag-tn value)))
+ (inst movss (make-ea-for-raw-slot object index instance-length 4) value-imag))))
+
(define-vop (raw-instance-ref/complex-double)
(:translate %raw-instance-ref/complex-double)
(:policy :fast-safe)
(inst movsd (make-ea-for-raw-slot object index tmp) value-imag)
(unless (location= value-imag result-imag)
(inst movsd result-imag 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 4
+ (let ((value-real (complex-double-reg-real-tn value)))
+ (inst movsd (make-ea-for-raw-slot object index instance-length -8) value-real))
+ (let ((value-imag (complex-double-reg-imag-tn value)))
+ (inst movsd (make-ea-for-raw-slot object index instance-length) value-imag))))