(in-package "SB!VM")
\f
;;;; LIST and LIST*
+(defoptimizer (list stack-allocate-result) ((&rest args))
+ (not (null args)))
+(defoptimizer (list* stack-allocate-result) ((&rest args))
+ (not (null (rest args))))
(define-vop (list-or-list*)
(:args (things :more t))
(:temporary (:scs (descriptor-reg) :type list) ptr)
(:temporary (:scs (descriptor-reg)) temp)
(:temporary (:scs (descriptor-reg) :type list :to (:result 0) :target result)
- res)
+ res)
(:info num)
(:results (result :scs (descriptor-reg)))
(:variant-vars star)
(:policy :safe)
+ (:node-var node)
(:generator 0
(cond ((zerop num)
- (move null-tn result))
- ((and star (= num 1))
- (move (tn-ref-tn things) result))
- (t
- (macrolet
- ((store-car (tn list &optional (slot cons-car-slot))
- `(let ((reg
- (sc-case ,tn
- ((any-reg descriptor-reg) ,tn)
- (zero zero-tn)
- (null null-tn)
- (control-stack
- (load-stack-tn temp ,tn)
- temp))))
- (storew reg ,list ,slot list-pointer-lowtag))))
- (let ((cons-cells (if star (1- num) num)))
- (pseudo-atomic (:extra (* (pad-data-block cons-size)
- cons-cells))
- (inst bis alloc-tn list-pointer-lowtag res)
- (move res ptr)
- (dotimes (i (1- cons-cells))
- (store-car (tn-ref-tn things) ptr)
- (setf things (tn-ref-across things))
- (inst lda ptr (pad-data-block cons-size) ptr)
- (storew ptr ptr
- (- cons-cdr-slot cons-size)
- list-pointer-lowtag))
- (store-car (tn-ref-tn things) ptr)
- (cond (star
- (setf things (tn-ref-across things))
- (store-car (tn-ref-tn things) ptr cons-cdr-slot))
- (t
- (storew null-tn ptr
- cons-cdr-slot list-pointer-lowtag)))
- (aver (null (tn-ref-across things)))
- (move res result))))))))
+ (move null-tn result))
+ ((and star (= num 1))
+ (move (tn-ref-tn things) result))
+ (t
+ (macrolet
+ ((store-car (tn list &optional (slot cons-car-slot))
+ `(let ((reg
+ (sc-case ,tn
+ ((any-reg descriptor-reg) ,tn)
+ (zero zero-tn)
+ (null null-tn)
+ (control-stack
+ (load-stack-tn temp ,tn)
+ temp))))
+ (storew reg ,list ,slot list-pointer-lowtag))))
+ (let* ((dx-p (node-stack-allocate-p node))
+ (cons-cells (if star (1- num) num))
+ (space (* (pad-data-block cons-size) cons-cells)))
+ (pseudo-atomic (:extra (if dx-p 0 space))
+ (cond (dx-p
+ (align-csp res)
+ (inst bis csp-tn list-pointer-lowtag res)
+ (inst lda csp-tn space csp-tn))
+ (t
+ (inst bis alloc-tn list-pointer-lowtag res)))
+ (move res ptr)
+ (dotimes (i (1- cons-cells))
+ (store-car (tn-ref-tn things) ptr)
+ (setf things (tn-ref-across things))
+ (inst lda ptr (pad-data-block cons-size) ptr)
+ (storew ptr ptr
+ (- cons-cdr-slot cons-size)
+ list-pointer-lowtag))
+ (store-car (tn-ref-tn things) ptr)
+ (cond (star
+ (setf things (tn-ref-across things))
+ (store-car (tn-ref-tn things) ptr cons-cdr-slot))
+ (t
+ (storew null-tn ptr
+ cons-cdr-slot list-pointer-lowtag)))
+ (aver (null (tn-ref-across things)))
+ (move res result))))))))
(define-vop (list list-or-list*)
(:variant nil))
(define-vop (allocate-code-object)
(:args (boxed-arg :scs (any-reg))
- (unboxed-arg :scs (any-reg)))
+ (unboxed-arg :scs (any-reg)))
(:results (result :scs (descriptor-reg)))
(:temporary (:scs (non-descriptor-reg)) ndescr)
(:temporary (:scs (any-reg) :from (:argument 0)) boxed)
(:generator 100
(inst li (lognot lowtag-mask) ndescr)
(inst lda boxed (fixnumize (1+ code-trace-table-offset-slot))
- boxed-arg)
+ boxed-arg)
(inst and boxed ndescr boxed)
(inst srl unboxed-arg word-shift unboxed)
(inst lda unboxed lowtag-mask unboxed)
(inst and unboxed ndescr unboxed)
(inst sll boxed (- n-widetag-bits word-shift) ndescr)
(inst bis ndescr code-header-widetag ndescr)
-
+
(pseudo-atomic ()
(inst bis alloc-tn other-pointer-lowtag result)
(storew ndescr result 0 other-pointer-lowtag)
(define-vop (make-closure)
(:args (function :to :save :scs (descriptor-reg)))
(:info length stack-allocate-p)
- (:ignore stack-allocate-p)
(:temporary (:scs (non-descriptor-reg)) temp)
(:results (result :scs (descriptor-reg)))
(:generator 10
- (let ((size (+ length closure-info-offset)))
+ (let* ((size (+ length closure-info-offset))
+ (alloc-size (pad-data-block size)))
(inst li
- (logior (ash (1- size) n-widetag-bits) closure-header-widetag)
- temp)
- (pseudo-atomic (:extra (pad-data-block size))
- (inst bis alloc-tn fun-pointer-lowtag result)
- (storew temp result 0 fun-pointer-lowtag))
+ (logior (ash (1- size) n-widetag-bits) closure-header-widetag)
+ temp)
+ (pseudo-atomic (:extra (if stack-allocate-p 0 alloc-size))
+ (cond (stack-allocate-p
+ (align-csp result)
+ (inst bis csp-tn fun-pointer-lowtag result)
+ (inst lda csp-tn alloc-size csp-tn))
+ (t
+ (inst bis alloc-tn fun-pointer-lowtag result)))
+ (storew temp result 0 fun-pointer-lowtag))
(storew function result closure-fun-slot fun-pointer-lowtag))))
;;; The compiler likes to be able to directly make value cells.
(define-vop (make-value-cell)
(:args (value :to :save :scs (descriptor-reg any-reg null zero)))
(:temporary (:scs (non-descriptor-reg)) temp)
+ (:info stack-allocate-p)
+ (:ignore stack-allocate-p)
(:results (result :scs (descriptor-reg)))
(:generator 10
(with-fixed-allocation
- (result temp value-cell-header-widetag value-cell-size)
+ (result temp value-cell-header-widetag value-cell-size)
(storew value result value-cell-value-slot other-pointer-lowtag))))
\f
;;;; automatic allocators for primitive objects
(:generator 1
(inst li unbound-marker-widetag result)))
+(define-vop (make-funcallable-instance-tramp)
+ (:args)
+ (:results (result :scs (any-reg)))
+ (:generator 1
+ (inst li (make-fixup "funcallable_instance_tramp" :foreign) result)))
+
(define-vop (fixed-alloc)
(:args)
(:info name words type lowtag)
(pseudo-atomic (:extra (pad-data-block words))
(inst bis alloc-tn lowtag result)
(when type
- (inst li (logior (ash (1- words) n-widetag-bits) type) temp)
- (storew temp result 0 lowtag)))))
+ (inst li (logior (ash (1- words) n-widetag-bits) type) temp)
+ (storew temp result 0 lowtag)))))
(define-vop (var-alloc)
(:args (extra :scs (any-reg)))