Fix x86-64 backend
Fix x86-64 backend

seckar/factor,mcandre/factor,cataska/factor,erg/factor,seckar/factor,erg/factor,mcandre/factor,mcandre/factor,mcandre/factor,littledan/Factor,littledan/Factor,kingcons/factor,kingcons/factor,erg/factor,ceninan/factor,kingcons/factor,cataska/factor,cataska/factor,ceninan/factor,erg/factor,littledan/Factor,kingcons/factor,mcandre/factor,erg/factor,seckar/factor,mcandre/factor,ceninan/factor,littledan/Factor,cataska/factor,ceninan/factor,erg/factor,mcandre/factor,erg/factor