From mboxrd@z Thu Jan 1 00:00:00 1970 From: felipe.contreras@gmail.com (Felipe Contreras) Date: Mon, 14 Sep 2009 04:47:35 +0300 Subject: 'bx lr' vs 'mov pc,lr' In-Reply-To: <20090914002005.GC30621@shareable.org> References: <94a0d4530909131455x7a33cbaaw402642fb2e63c6d6@mail.gmail.com> <20090913225835.GB30169@n2100.arm.linux.org.uk> <94a0d4530909131711hf068509x900f19b5dfe8141d@mail.gmail.com> <20090914002005.GC30621@shareable.org> Message-ID: <94a0d4530909131847g2295b93by47de1785cc2f34b4@mail.gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Sep 14, 2009 at 3:20 AM, Jamie Lokier wrote: > Felipe Contreras wrote: >> > Why do you want bx? ?bx isn't available on older CPUs. >> >> Isn't it faster? I don't know if it would make sense to try it on >> newer CPUs. > > That's interesting. ?Do you know if it's faster? Nope, I'm assuming because of this: http://newsgroups.derkeiler.com/Archive/Comp/comp.sys.arm/2006-04/msg00031.html -- Felipe Contreras