From: Dan Malek <dan@netx4.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Christian Zankel <chris@mvista.com>,
cort@fsmlabs.com, linuxppc-dev@lists.linuxppc.org,
linuxppc-embedded@lists.linuxppc.org
Subject: Re: bootloader & head.S weirdness & restructuring
Date: Thu, 25 Nov 1999 14:49:35 -0500 [thread overview]
Message-ID: <383D92CF.6ECD12D3@netx4.com> (raw)
In-Reply-To: Pine.LNX.4.05.9911251809390.7807-100000@callisto.of.borg
Geert Uytterhoeven wrote:
> Alternatively, you can base your decisions on specific features that are shared
> among different machine types, and say
>
> if (has_feature_a) {
> ...
> }
>
> instead of
>
> #if defined(CONFIG_x) || defined(CONFIG_y) || defined(CONFIG_z)
> ...
> #endif
Yes, but one of the things I am trying to do is reduce the
code size and instructions to execute. On a 500 MHz G4 with
a Gigabyte of memory, a few extra instructions is no big deal.
On a 33 MHz 8xx with 8 Mbytes of memory, you watch all of this
pretty closely :-).
-- Dan
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~1999-11-25 19:49 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-11-22 11:04 bootloader & head.S weirdness Benjamin Herrenschmidt
1999-11-22 21:37 ` Cort Dougan
1999-11-22 23:17 ` bootloader & head.S weirdness & restructuring Christian Zankel
1999-11-22 23:55 ` Cort Dougan
1999-11-23 3:31 ` Christian Zankel
1999-11-23 3:40 ` Cort Dougan
1999-11-23 6:37 ` Dan Malek
1999-11-23 18:22 ` Christian Zankel
1999-11-23 20:20 ` Dan Malek
1999-11-25 17:13 ` Geert Uytterhoeven
1999-11-25 19:49 ` Dan Malek [this message]
1999-11-26 9:06 ` Geert Uytterhoeven
1999-11-26 9:42 ` Michael Schmitz
1999-11-26 12:06 ` Wolfgang Denk
1999-11-28 22:41 ` Dan Malek
1999-11-29 7:12 ` Geert Uytterhoeven
1999-11-23 16:12 ` Michael Schmitz
1999-11-23 16:17 ` David Edelsohn
1999-11-23 17:46 ` Cort Dougan
1999-11-23 16:15 ` Gabriel Paubert
1999-11-23 16:52 ` Marcus Sundberg
1999-11-23 17:01 ` Gabriel Paubert
1999-11-23 17:45 ` Cort Dougan
1999-11-23 10:35 ` bootloader & head.S weirdness Benjamin Herrenschmidt
1999-11-23 10:50 ` Momchil Velikov
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