(:policy :fast-safe)
(:vop-var vop)
(:save-p :compute-only)
+ (:ignore eax)
(:generator 40
;; Move OBJECT into a temp we can bash on, and initialize the count.
(move ptr object)
(inst jmp :e DONE)
;; Otherwise, check to see whether we hit the end of a dotted list. If
;; not, loop back for more.
- (move eax (make-dword-tn ptr))
- (inst and al-tn lowtag-mask)
- (inst cmp al-tn list-pointer-lowtag)
- (inst jmp :e LOOP)
+ (%test-lowtag ptr LOOP nil list-pointer-lowtag)
;; It's dotted all right. Flame out.
(error-call vop 'object-not-list-error ptr)
;; We be done.