Date: Tue, 26 Aug 2008 18:16:57 +0200 From: Pietro Cerutti <gahr@FreeBSD.org> To: freebsd-current@FreeBSD.ORG, julian@elischer.org Subject: Re: mprof and new systems.. Message-ID: <48B42C79.8030906@FreeBSD.org> In-Reply-To: <200806161408.m5GE89RR096948@lurza.secnetix.de> References: <200806161408.m5GE89RR096948@lurza.secnetix.de>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Oliver Fromme wrote: | Julian Elischer wrote: | > in addition, with -O2 it seems that the address of the variable | > may actually be wring if the optimiser never bothers to | > have the variable actually saved. | | Maybe I'm missing the obvious here, but you can prevent | the compiler from optimizing the variable by declaring | it as "volatile". Or by faking access to it through (void)&variable; | | Best regards | Oliver | - -- Pietro Cerutti gahr@FreeBSD.org PGP Public Key: http://gahr.ch/pgp -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEAREKAAYFAki0LHkACgkQwMJqmJVx94467ACfe4fXXTNqdlrTzAqjLxJ4Za+J 9y0AoKSli9OVUfS6z0/om9dONIRxKzkg =AF/u -----END PGP SIGNATURE-----
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