[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: GLR: modification of $1

From: Paul Eggert
Subject: Re: GLR: modification of $1
Date: 03 Oct 2003 11:17:46 -0700
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3

Frank Heckenbach <address@hidden> writes:

> I see that each occurrence of $1 gets expanded to something like
> `yyvsp[YYFILL (0)].yystate.yysemantics.yysval' where `YYFILL' is
> #defined to `yyfill (...)'. I hope gcc will inline the function
> calls in `-O3'

If it doesn't, please let us know.  We can add an 'inline' keyword
or something (suitably ifdeffed).

> but are you sure it doesn't do any redundant work if $1 is used
> several times in an action? (Or is that also considered bad style?)

What sort of redundant work did you have in mind?  There is a bit of
redundant work in some cases, since it has to evaluate "!yynormal &&
yylow1 < *yylow"; but it sounds like you're thinking of work beyond

reply via email to

[Prev in Thread] Current Thread [Next in Thread]