From: Peter Bergner <bergner@vnet.ibm.com>
To: Jimi Xenidis <jimix@pobox.com>
Cc: "paulus@samba.org Mackerras" <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org, Kumar Gala <kumar.gala@gmail.com>,
Anton Blanchard <anton@samba.org>
Subject: Re: [PATCH] powerpc: POWER7 optimised memcpy using VMX and enhanced prefetch
Date: Wed, 09 Jan 2013 17:06:10 -0600 [thread overview]
Message-ID: <1357772770.29491.1848.camel@otta> (raw)
In-Reply-To: <9A768D6E-D4DC-4F8B-ADAC-A1E953B38462@pobox.com>
On Wed, 2013-01-09 at 16:19 -0600, Jimi Xenidis wrote:
> I agree, but that means it is impossible for the same .S file can be compiled
> but -mcpu=e500mc and -mcpu=powerpc? So either these files have to be Book3S
> versus Book3E --or-- we use a CPP macro to get them right.
> FWIW, I prefer the latter which allows more code reuse.
I agree using a CPP macro - like we do for "new" instructions for which some
older assemblers might not support yet - is probably the best solution.
Peter
next prev parent reply other threads:[~2013-01-09 23:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-31 6:22 [PATCH] powerpc: POWER7 optimised memcpy using VMX and enhanced prefetch Anton Blanchard
2012-12-07 23:20 ` Jimi Xenidis
2012-12-17 11:33 ` Anton Blanchard
2012-12-18 0:26 ` Peter Bergner
2012-12-18 13:28 ` Jimi Xenidis
2012-12-18 14:14 ` David Laight
2012-12-18 16:31 ` Peter Bergner
2013-01-09 22:19 ` Jimi Xenidis
2013-01-09 23:06 ` Peter Bergner [this message]
2012-12-18 13:21 ` Jimi Xenidis
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