(:vop-var vop)
(:save-p :compute-only)
(:generator 50
- (move ptr object)
- (move count zero-tn)
+ (let ((done (gen-label))
+ (loop (gen-label))
+ (not-list (gen-label)))
+ (move ptr object)
+ (move count zero-tn)
- LOOP
+ (emit-label loop)
- (inst beq ptr null-tn done)
- (inst nop)
+ (inst beq ptr null-tn done)
+ (inst and temp ptr lowtag-mask)
+ (inst xor temp list-pointer-lowtag)
+ (inst bne temp zero-tn not-list)
+ (inst nop)
- (inst and temp ptr lowtag-mask)
- (inst xor temp list-pointer-lowtag)
- (inst bne temp zero-tn not-list)
- (inst nop)
+ (loadw ptr ptr cons-cdr-slot list-pointer-lowtag)
+ (inst b loop)
+ (inst addu count count (fixnumize 1))
- (loadw ptr ptr cons-cdr-slot list-pointer-lowtag)
- (inst b loop)
- (inst addu count count (fixnumize 1))
+ (emit-label not-list)
+ (cerror-call vop done object-not-list-error ptr)
- NOT-LIST
- (cerror-call vop done object-not-list-error ptr)
-
- DONE
- (move result count)))
+ (emit-label done)
+ (move result count))))
(define-static-fun length (object) :translate length)
-
-
-
;;; checkins which aren't released. (And occasionally for internal
;;; versions, especially for internal versions off the main CVS
;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"0.9.4.43"
+"0.9.4.44"