(:generator 1
(move ptr csp-tn)))
+(define-vop (%%pop-dx)
+ (:args (ptr :scs (any-reg)))
+ (:ignore ptr)
+ (:generator 1
+ (bug "VOP %%POP-DX is not implemented.")))
+
+(define-vop (%%nip-dx)
+ (:args (last-nipped-ptr :scs (any-reg) :target dest)
+ (last-preserved-ptr :scs (any-reg) :target src)
+ (moved-ptrs :scs (any-reg) :more t))
+ (:results (r-moved-ptrs :scs (any-reg) :more t))
+ (:temporary (:sc any-reg) src)
+ (:temporary (:sc any-reg) dest)
+ (:temporary (:sc non-descriptor-reg) temp)
+ (:ignore r-moved-ptrs
+ last-nipped-ptr last-preserved-ptr moved-ptrs
+ src dest temp)
+ (:generator 1
+ (bug "VOP %%NIP-DX is not implemented.")))
+
+(define-vop (%%nip-values)
+ (:args (last-nipped-ptr :scs (any-reg) :target dest)
+ (last-preserved-ptr :scs (any-reg) :target src)
+ (moved-ptrs :scs (any-reg) :more t))
+ (:results (r-moved-ptrs :scs (any-reg) :more t))
+ (:temporary (:sc any-reg) src)
+ (:temporary (:sc any-reg) dest)
+ (:temporary (:sc non-descriptor-reg) temp)
+ (:ignore r-moved-ptrs)
+ (:generator 1
+ (move last-preserved-ptr src)
+ (move last-nipped-ptr dest)
+ (inst comb :>= src csp-tn DONE :nullify t)
+ LOOP
+ (inst ldwm n-word-bytes src temp)
+ (inst addi n-word-bytes dest dest)
+ (storew temp dest -1)
+ (inst comb :> csp-tn src LOOP)
+ (inst nop)
+ DONE
+ (move dest csp-tn)
+ (inst sub src dest src)
+ (loop for moved = moved-ptrs then (tn-ref-across moved)
+ while moved do
+ (sc-case (tn-ref-tn moved)
+ ((descriptor-reg any-reg)
+ (inst sub (tn-ref-tn moved) src (tn-ref-tn moved)))
+ ((control-stack)
+ (load-stack-tn temp (tn-ref-tn moved))
+ (inst sub temp src temp)
+ (store-stack-tn (tn-ref-tn moved) temp))))))
;;; Push some values onto the stack, returning the start and number of values
;;; pushed as results. It is assumed that the Vals are wired to the standard
(define-vop (push-values)
(:args
(vals :more t))
- (:results (start :scs (any-reg) :from :load)
- (count :scs (any-reg)))
+ (:results (start :scs (any-reg))
+ (count :scs (any-reg)))
(:info nvals)
(:temporary (:scs (descriptor-reg)) temp)
+ (:temporary (:scs (descriptor-reg)
+ :to (:result 0)
+ :target start)
+ start-temp)
(:generator 20
- (move csp-tn start)
+ (move csp-tn start-temp)
(inst addi (* nvals n-word-bytes) csp-tn csp-tn)
(do ((val vals (tn-ref-across val))
- (i 0 (1+ i)))
- ((null val))
+ (i 0 (1+ i)))
+ ((null val))
(let ((tn (tn-ref-tn val)))
- (sc-case tn
- (descriptor-reg
- (storew tn start i))
- (control-stack
- (load-stack-tn temp tn)
- (storew temp start i)))))
+ (sc-case tn
+ (descriptor-reg
+ (storew tn start-temp i))
+ (control-stack
+ (load-stack-tn temp tn)
+ (storew temp start-temp i)))))
+ (move start-temp start)
(inst li (fixnumize nvals) count)))
-
;;; Push a list of values on the stack, returning Start and Count as used in
;;; unknown values continuations.
;;;
(:arg-types list)
(:policy :fast-safe)
(:results (start :scs (any-reg))
- (count :scs (any-reg)))
+ (count :scs (any-reg)))
(:temporary (:scs (descriptor-reg) :type list :from (:argument 0)) list)
(:temporary (:scs (descriptor-reg)) temp)
- (:temporary (:scs (non-descriptor-reg) :type random) ndescr)
+ (:temporary (:scs (non-descriptor-reg)) ndescr)
(:vop-var vop)
(:save-p :compute-only)
(:generator 0
(move arg list)
- (inst comb := list null-tn done)
(move csp-tn start)
-
LOOP
+ (inst comb := list null-tn done)
(loadw temp list cons-car-slot list-pointer-lowtag)
(loadw list list cons-cdr-slot list-pointer-lowtag)
(inst addi n-word-bytes csp-tn csp-tn)
(storew temp csp-tn -1)
(inst extru list 31 n-lowtag-bits ndescr)
(inst comib := list-pointer-lowtag ndescr loop)
- (inst comb := list null-tn done :nullify t)
+ (inst nop)
(error-call vop bogus-arg-to-values-list-error list)
-
DONE
(inst sub csp-tn start count)))
-
;;; Copy the more arg block to the top of the stack so we can use them
;;; as function arguments.
;;;
(define-vop (%more-arg-values)
(:args (context :scs (descriptor-reg any-reg) :target src)
- (skip :scs (any-reg zero immediate))
- (num :scs (any-reg) :target count))
+ (skip :scs (any-reg zero immediate))
+ (num :scs (any-reg) :target count))
+ (:arg-types * positive-fixnum positive-fixnum)
(:temporary (:sc any-reg :from (:argument 0)) src)
- (:temporary (:sc any-reg :from (:argument 1)) dst end)
+ (:temporary (:sc any-reg :from (:argument 2)) dst end)
(:temporary (:sc descriptor-reg :from (:argument 1)) temp)
(:results (start :scs (any-reg))
- (count :scs (any-reg)))
+ (count :scs (any-reg)))
(:generator 20
(sc-case skip
(zero
(inst add skip context src)))
(move num count)
(inst comb := num zero-tn done)
- (inst move csp-tn start)
- (inst move csp-tn dst)
- (inst add csp-tn count csp-tn)
+ (move csp-tn start t)
+ (move csp-tn dst)
+ (inst add count csp-tn csp-tn)
(inst addi (- n-word-bytes) csp-tn end)
LOOP
- (inst ldwm 4 src temp)
- (inst comb :< dst end loop)
- (inst stwm temp 4 dst)
+ (inst ldwm n-word-bytes src temp)
+ (inst comb :<> dst end loop)
+ (inst stwm temp n-word-bytes dst)
DONE))
projects / sbcl.git / blobdiff