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Date: Thu, 28 Feb 2002 20:54:57 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
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To: sandmann AT clio DOT rice DOT edu
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In-reply-to: <10202281740.AA14225@clio.rice.edu> (sandmann@clio.rice.edu)
Subject: Re: v2.03 refresh++ diffs [was bzero...]
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> From: sandmann AT clio DOT rice DOT edu (Charles Sandmann)
> Date: Thu, 28 Feb 2002 11:40:50 -0600 (CST)
> 
> > Is the built-in used even when compiling without optimizations?
> 
> Yes, it appears so (if GCC >= 3, even without -O, -S shows inlined code).

How about -fno-builtin?

> Is this a problem?

If the compiler sometimes picks up the builtin and sometimes the
library version (which behaves differently as far as the return value
is concerned), we could have subtle and hard-to-debug problems which
appear and disappear depending on the compiler switches.