From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 4F55F2C008A for ; Tue, 14 May 2013 02:49:43 +1000 (EST) In-Reply-To: <1368440850.24723.32.camel@i7.infradead.org> References: <1368220707.3378.57.camel@shinybook.infradead.org> <20130513164819.1c9331b9@kryten> <20130513072013.GD5221@bubble.grove.modra.org> <1368440850.24723.32.camel@i7.infradead.org> Mime-Version: 1.0 (Apple Message framework v753.1) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: From: Segher Boessenkool Subject: Re: [PATCH] powerpc: provide __bswapdi2 Date: Mon, 13 May 2013 18:47:47 +0200 To: David Woodhouse Cc: linuxppc-dev@ozlabs.org, Anton Blanchard , viro@zeniv.linux.org.uk, Alan Modra List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , >> 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