use cmpxchgq for 64-bit operands in atomicCompareAndSwap
use cmpxchgq for 64-bit operands in atomicCompareAndSwap

bigfatbrowncat/avian-pack.avian,marcinolawski/avian,bigfatbrowncat/avian-pack.avian,getlantern/avian,lwahlmeier/avian,lostdj/avian,dicej/avian,bgould/avian,badlogic/avian,minor-jason/avian,minor-jason/avian,joshuawarner32/avian,joshuawarner32/avian,lwahlmeier/avian,MaartenR/avian,badlogic/avian,MaartenR/avian,lostdj/avian,bigfatbrowncat/avian-pack.avian,ucdseniordesign/avian,getlantern/avian,dicej/avian,joshuawarner32/avian,ucdseniordesign/avian,lostdj/avian,minor-jason/avian,marcinolawski/avian,badlogic/avian,joshuawarner32/avian,getlantern/avian,getlantern/avian,dicej/avian,bigfatbrowncat/avian-pack.avian,bgould/avian,lwahlmeier/avian,dicej/avian,bgould/avian,ucdseniordesign/avian,badlogic/avian,lostdj/avian,MaartenR/avian,marcinolawski/avian,bgould/avian,lwahlmeier/avian,minor-jason/avian,MaartenR/avian,ucdseniordesign/avian,marcinolawski/avian