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From: "Piotr Wyderski" <piotr.wyderski@hoga.pl>
To: <gcc@gcc.gnu.org>
Subject: Re: __attribute__ ((aligned)) weirdness
Date: Tue, 18 Mar 2003 20:24:00 -0000	[thread overview]
Message-ID: <001201c2ed88$899e8e00$5dec63d9@voltan> (raw)
In-Reply-To: <15991.15030.380667.367246@cuddles.cambridge.redhat.com>

> So you have a field at offset 4.  You ask for it to be 4-aligned, and
> it jumps to offset 8.
> 
> What is going on?

The alignment of x means that the offset of a variable is divisible
by x with no remainder. Each y=x*2^n (where n is natural) is
a good alignment too, because f mod y = 0 => f mod x = 0;
8-aligned field is also 4-aligned. So where's the problem?

    Best regards
    Piotr Wyderski



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  reply	other threads:[~2003-03-18 19:56 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-18 16:16 g++: " Andrew Haley
2003-03-18 20:24 ` Piotr Wyderski [this message]
2003-03-18 20:28   ` Andrew Haley
2003-03-18 22:34     ` Andreas Tobler
2003-04-08  8:01       ` PPC support in GCC ? A.R. Ashok Kumar
2003-04-08 14:45         ` Falk Hueffner
2003-04-08 14:51           ` A.R. Ashok Kumar

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