Date: Tue, 22 Nov 2011 11:00:55 -0500 From: David Schultz <das@freebsd.org> To: Eitan Adler <eadler@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r227812 - head/lib/libc/string Message-ID: <20111122160055.GA20431@zim.MIT.EDU> In-Reply-To: <20111122153332.GA20145@zim.MIT.EDU> References: <201111220250.pAM2oPWC070856@svn.freebsd.org> <20111122153332.GA20145@zim.MIT.EDU>
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On Tue, Nov 22, 2011, David Schultz wrote: > First, the comment suggesting that using '|' instead of '||' isn't > correct; any reasonable compiler knows how to optimize > side-effect-free expressions like these. (The reverse > transformation, from the arithmetic expression to the boolean one, > is actually harder for the compiler in general.) That should read "the comment suggesting that using '|' instead of '||' <<is an optimization>> isn't correct".
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