From: Jesper Skov <jskov@redhat.com>
To: "Lewin A.R.W. Edwards" <larwe@larwe.com>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] Ignore earlier dumb question, but here is another
Date: Tue, 09 Jan 2001 00:21:00 -0000 [thread overview]
Message-ID: <ot4rz99lvy.fsf@thinktwice.zoftcorp.dk> (raw)
In-Reply-To: <4.3.2.7.2.20010108175535.00aefc20@larwe.com>
>>>>> "Lewin" == Lewin A R W Edwards <larwe@larwe.com> writes:
Lewin> I think I'm on crack. It took about three hours for my messages
Lewin> to get back to me via the list and when they did, I immediately
Lewin> had a memory jolt that told me the correct switch to use. I've
Lewin> recompiled eCos with -fpack-struct and all is seemingly
Lewin> well. However I worry that the OS might not have been tested in
Lewin> this configuration. Any known caveats?
Why don't you use the packed attribute on the structures that must be
packed, and allow the compiler to use aligment for better performance
on the rest? See the GCC manual for information about the packed
attribute.
Jesper
prev parent reply other threads:[~2001-01-09 0:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-08 15:10 Lewin A.R.W. Edwards
2001-01-08 16:28 ` Gary Thomas
2001-01-08 16:37 ` Lewin A.R.W. Edwards
2001-01-09 5:53 ` Gary Thomas
2001-01-08 16:29 ` Gary Thomas
2001-01-09 0:21 ` Jesper Skov [this message]
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