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Re: Redundant type checking in window.c and w32menu.c

From: Stefan Monnier
Subject: Re: Redundant type checking in window.c and w32menu.c
Date: Tue, 19 Jun 2007 10:55:52 -0400
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1.50 (gnu/linux)

> P.S. Is code size the only reason to call Fcar(), Fcdr() and their safe
> versions directly from C code ? Replacing these dumb proxies with an
> appropriate macros eliminates a lot of function calls at the cost of ~28K
> increment in code size (for a stripped binary on x86).

No idea.

> Note if someone needs smaller emacs executable (what a strange
> requirement, but why not ?), just replacing -O2 with -Os saves ~235K.

Interestingly enough, at some point (i.e. some combination of x86 processors
and gcc versions) the -Os was the best speedwise as well (at least, it was
used for many SPEC submissions).


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