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From: ast@cs.vu.nl (Andy Tanenbaum)
Newsgroups: comp.os.minix
Subject: Re: C compilers in 286 protected mode. (was compress)
Message-ID: <3079@ast.cs.vu.nl>
Date: 26 Aug 89 12:14:28 GMT
References: <20050@louie.udel.EDU>
Reply-To: ast@cs.vu.nl (Andy Tanenbaum)
Organization: VU Informatica, Amsterdam
Lines: 10

In article <20050@louie.udel.EDU> Leisner.Henr@xerox.com (marty) writes:
>It would be relatively simple to generate large data model code with 1
>code, 1 data, 1 stack segment -- 

If you pass the address of a variable to a procedure, you also have to
pass one extra bit saying whether it is a data space address or a stack
space address.  Thus all pointers must be 32 bits.  This will slow down
execution considerably.

Andy Tanenbaum (ast@cs.vu.nl)