From: Scott McNutt <smcnutt@psyent.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Flag -mno-cache-volatile to bypass the cache
Date: Sat, 07 Feb 2009 15:17:47 -0500 [thread overview]
Message-ID: <498DEC6B.8060903@psyent.com> (raw)
In-Reply-To: <20090205184742.2C4ED8322908@gemini.denx.de>
> Please continue to use the I/O accessor functions. Your specific
> compiler version may understand such an option, but don't expect that
> any other compiler or architecture provides the same - so better stay
> portable and use what was designed exactly for this purpose.
Yes, please do use the accessor functions. This particular compiler
flag is the result of someone's brain fart -- and does little more
than confuse the meaning of the volatile keyword (which has absolutely
_nothing_ to do with cache access) ... while promoting poorly considered
code.
--Scott
prev parent reply other threads:[~2009-02-07 20:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-05 15:30 [U-Boot] Flag -mno-cache-volatile to bypass the cache ivanchuklist ivanchu
2009-02-05 18:47 ` Wolfgang Denk
2009-02-05 20:01 ` ivanchuklist ivanchu
2009-02-05 21:18 ` Wolfgang Denk
2009-02-06 16:26 ` ivanchuklist ivanchu
2009-02-07 11:07 ` ivanchuklist ivanchu
2009-02-07 20:17 ` Scott McNutt [this message]
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