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Re: GLR: modification of $1

From: Paul Eggert
Subject: Re: GLR: modification of $1
Date: 04 Oct 2003 23:00:35 -0700
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3

Frank Heckenbach <address@hidden> writes:

> I'm just referring to what yyfill does (especially when called
> multiple times for multiple uses of $1). I don't know exactly what
> GCC can optimize away,

I see little chance that a C compiler could be smart enough to
optimize $1 in the existing GLR parser as much as it can optimize $1
in the existing LALR parser, even assuming GLR's yyfill is inlined.
Suggestions for improvement are welcome, but I expect they won't be

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