From: Takashi Iwai <tiwai@suse.de>
To: Giuliano Pochini <pochini@shiny.it>
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: Coding style: bit fields
Date: Tue, 08 Mar 2005 16:47:08 +0100 [thread overview]
Message-ID: <s5hpsya16o3.wl@alsa2.suse.de> (raw)
In-Reply-To: <20050226195918.0a87bc8f.pochini@shiny.it>
At Sat, 26 Feb 2005 19:59:18 +0100,
Giuliano Pochini wrote:
>
> On Tue, 22 Feb 2005 22:04:08 +0100
> Takashi Iwai <tiwai@suse.de> wrote:
>
> > At Sat, 19 Feb 2005 18:37:26 +0100,
> > Giuliano Pochini wrote:
> > >
> > > The echoaudio driver has many flags in chip_t stored as bit fields. It
> > > doesn't save any space because accessing a bitfield requires more
> > > instructions than accessing a byte. Eg. ppc needs one instruction to write a
> > > char and three instructions to write a bitfield (load, modify, store, 12
> > > bytes...). I'm thinking about replacing all af them with chars. Is it ok ?
> >
> > Sure, go ahead!
>
> Fine.
>
>
> Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Thanks, now it's on CVS.
Takashi
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prev parent reply other threads:[~2005-03-08 15:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-19 17:37 Coding style: bit fields Giuliano Pochini
2005-02-22 21:04 ` Takashi Iwai
2005-02-26 18:59 ` Giuliano Pochini
2005-03-08 15:47 ` Takashi Iwai [this message]
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