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From: kendall@talcott.UUCP (Sam Kendall)
Newsgroups: net.lang.c
Subject: register struct or union (Re: Registers on the VAX 11/780?)
Message-ID: <469@talcott.UUCP>
Date: Mon, 22-Jul-85 12:20:35 EDT
Article-I.D.: talcott.469
Posted: Mon Jul 22 12:20:35 1985
Date-Received: Wed, 24-Jul-85 07:32:01 EDT
References: <574@ucsfcgl.UUCP>
Organization: Delft Consulting Corp., New York
Lines: 16

> Since code written on one machine is
> very often taken to others, and the word "register" isn't very hard to
> type, you should declare almost everything a register.  Even data types
> you don may not think fit in registers, like strucutures, enums,
> doubles, and unions.
> 
> 		Ken Arnol

Conceptually nice, but register structs and unions will fail with pcc-based
compilers due to a compiler bug.  The compiler treats `s.member' as
`(&s)->member'; i.e., in the compiler, `->' rather than `.' is the primitive.
Martin Minow ran into this problem porting his cpp to UNIX.

	Sam Kendall
	Delft Consulting Corp.
	{allegra, cmcl2, ihnp4}!delftcc!sam