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From: Segher Boessenkool <segher@kernel.crashing.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linuxppc-dev@ozlabs.org, Anton Blanchard <anton@samba.org>,
	viro@zeniv.linux.org.uk, Alan Modra <amodra@gmail.com>
Subject: Re: [PATCH] powerpc: provide __bswapdi2
Date: Mon, 13 May 2013 18:47:47 +0200	[thread overview]
Message-ID: <D300FBC9-E4C8-466E-8A06-29D9F9E4BC9B@kernel.crashing.org> (raw)
In-Reply-To: <1368440850.24723.32.camel@i7.infradead.org>

>> I did a little digging, and it looks like gcc-4.4 will emit  
>> __bswapdi2
>> calls.  Support in rs6000.md appeared 2009-06-25.
>
> That's where it was seen. I don't have anything that ancient any  
> more so
> it didn't show up in my testing, but Al saw it on a Debian system.

It should never happen on 32-bit -- it is broken into two bswapsi's --
although, old compiler, who knows.  Lack of testing makes some people
nervous though ;-)


Segher

  reply	other threads:[~2013-05-13 16:49 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-10 21:18 [PATCH] powerpc: provide __bswapdi2 David Woodhouse
2013-05-13  6:48 ` Anton Blanchard
2013-05-13  7:20   ` Alan Modra
2013-05-13 10:27     ` David Woodhouse
2013-05-13 16:47       ` Segher Boessenkool [this message]
2013-05-13  7:09 ` Michael Neuling
2013-05-13  7:20   ` [PATCH v2] " Michael Neuling
2013-05-13  7:33   ` [PATCH] " Gabriel Paubert
2013-05-13 10:23     ` [PATCH v3] " Michael Neuling
2013-05-13 10:33   ` [PATCH] " David Woodhouse
2013-05-13 10:38     ` David Woodhouse
2013-05-13 10:51       ` Joakim Tjernlund
2013-05-13 11:12         ` Joakim Tjernlund
2013-05-13 13:12       ` Gabriel Paubert
2013-05-13 16:55     ` Segher Boessenkool
2013-05-14  1:09   ` Stephen Rothwell
2013-05-14  1:25     ` Michael Neuling
2013-05-14  6:59       ` David Woodhouse

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