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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: adress of lisp object is multiple of 8
Date: Tue, 08 May 2007 21:57:41 +0300
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> From: A Soare <alinsoar@voila.fr>
> Date: Tue,  8 May 2007 18:04:10 +0200 (CEST)
> 
> I do not understand how can I be sure that when the lisp allocs a new space of memory for a given object from enum Lisp_Type, it is allocated to an adress that is multiple of 8 ?

Not really a good place to ask such questions, but anyway...

See the definition of DECL_ALIGN on lisp.h, its usage, and the usage
of USE_LSB_TAG that depends on it.