(: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)
(:temporary (:sc non-descriptor-reg) temp)
(:ignore r-moved-ptrs)
(:generator 1
- (inst move src last-preserved-ptr)
- (inst move dest last-nipped-ptr)
- (inst move temp zero-tn)
+ (move src last-preserved-ptr)
+ (move dest last-nipped-ptr)
+ (move temp zero-tn)
(inst sltu temp src csp-tn)
(inst beq temp zero-tn DONE)
(inst nop) ; not strictly necessary
(inst bne temp zero-tn LOOP)
(inst nop)
DONE
- (inst move csp-tn dest)
+ (move csp-tn dest)
(inst sub src src dest)
(loop for moved = moved-ptrs then (tn-ref-across moved)
while moved
(:info nvals)
(:temporary (:scs (descriptor-reg)) temp)
(:temporary (:scs (descriptor-reg)
- :to (:result 0)
- :target start)
- start-temp)
+ :to (:result 0)
+ :target start)
+ start-temp)
(:generator 20
(move start-temp csp-tn)
(inst addu 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-temp i))
- (control-stack
- (load-stack-tn temp tn)
- (storew temp start-temp 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 start-temp)
(inst li count (fixnumize nvals))))
(: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)
(:generator 0
(move list arg)
(move start csp-tn)
-
+
LOOP
(inst beq list null-tn done)
(loadw temp list cons-car-slot list-pointer-lowtag)
(inst beq ndescr zero-tn loop)
(inst nop)
(error-call vop bogus-arg-to-values-list-error list)
-
+
DONE
(inst subu count csp-tn start)))
;;; 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)
(:results (start :scs (any-reg))
- (count :scs (any-reg)))
+ (count :scs (any-reg)))
(:generator 20
(sc-case skip
(zero
(inst addu src context skip)))
(move count num)
(inst beq num zero-tn done)
- (inst move start csp-tn)
- (inst move dst csp-tn)
+ (move start csp-tn t)
+ (move dst csp-tn)
(inst addu csp-tn count)
LOOP
(inst lw temp src)