(pushw list cons-car-slot list-pointer-lowtag)
(loadw list list cons-cdr-slot list-pointer-lowtag)
(inst mov rax list)
(inst and al-tn lowtag-mask)
(inst cmp al-tn list-pointer-lowtag)
(pushw list cons-car-slot list-pointer-lowtag)
(loadw list list cons-cdr-slot list-pointer-lowtag)
(inst mov rax list)
(inst and al-tn lowtag-mask)
(inst cmp al-tn list-pointer-lowtag)