Date: Tue, 6 Jul 2004 19:25:47 -0700 From: David Schultz <das@FreeBSD.ORG> To: Dag-Erling Smorgrav <des@FreeBSD.ORG> Cc: cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/lib/libalias alias.c Message-ID: <20040707022547.GA52027@VARK.homeunix.com> In-Reply-To: <200407060922.i669MJua014841@repoman.freebsd.org> References: <200407060922.i669MJua014841@repoman.freebsd.org>
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On Tue, Jul 06, 2004, Dag-Erling Smorgrav wrote: > Rewrite twowords() to access its argument through a char pointer and not > a short pointer. The previous implementation seems to be in a gray zone > of the C standard, and GCC generates incorrect code for it at -O2 or > higher on some platforms. I don't think this is even a gray zone---the C standard specifically disallows aliasing of pointers to different types unless one of the types is a 'char *'.
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