(:generator 1
(move csp-tn ptr)))
+(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
+ (inst move dest last-nipped-ptr)
+ (inst move src last-preserved-ptr)
+ (inst cmp csp-tn src)
+ (inst b :le DONE)
+ (inst nop) ; not strictly necessary
+ LOOP
+ (loadw temp src)
+ (inst add dest dest n-word-bytes)
+ (inst add src src n-word-bytes)
+ (storew temp dest -1)
+ (inst cmp csp-tn src)
+ (inst b :gt LOOP)
+ (inst nop)
+ DONE
+ (inst move csp-tn dest)
+ (inst sub src src dest)
+ (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) (tn-ref-tn moved) src))
+ ((control-stack)
+ (load-stack-tn temp (tn-ref-tn moved))
+ (inst sub temp temp src)
+ (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
(define-vop (push-values)
(:args (vals :more t))
(:results (start :scs (any-reg) :from :load)
- (count :scs (any-reg)))
+ (count :scs (any-reg)))
(:info nvals)
(:temporary (:scs (descriptor-reg)) temp)
(:generator 20
(inst move start csp-tn)
(inst add csp-tn csp-tn (* nvals n-word-bytes))
(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 i))
+ (control-stack
+ (load-stack-tn temp tn)
+ (storew temp start i)))))
(inst li count (fixnumize nvals))))
;;; Push a list of values on the stack, returning Start and Count as
(: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)) ndescr)
(:save-p :compute-only)
(:generator 0
(let ((loop (gen-label))
- (done (gen-label)))
+ (done (gen-label)))
(move list arg)
(move start csp-tn)
(loadw list list cons-cdr-slot list-pointer-lowtag)
(inst add csp-tn csp-tn n-word-bytes)
(storew temp csp-tn -1)
- (test-type list ndescr loop nil list-pointer-lowtag)
+ (test-type list loop nil (list-pointer-lowtag) :temp ndescr)
(error-call vop bogus-arg-to-values-list-error list)
(emit-label done)
;;; 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 2)) dst)
(:temporary (:sc descriptor-reg :from (:argument 1)) temp)
(:temporary (:sc any-reg) i)
(:results (start :scs (any-reg))
- (count :scs (any-reg)))
+ (count :scs (any-reg)))
(:generator 20
(sc-case skip
(zero