[RFC] arm: use built-in byte swap function

Woodhouse, David david.woodhouse at intel.com
Fri Feb 8 17:40:40 EST 2013


On Fri, 2013-02-08 at 15:04 -0500, Nicolas Pitre wrote:
> On Fri, 8 Feb 2013, Woodhouse, David wrote:
> 
> > On Thu, 2013-02-07 at 18:13 +0000, Russell King - ARM Linux wrote:
> > > 
> > > However, the biggest reason not to use libgcc is that we want to control
> > > what gets used in the kernel - for example, no floating point, and no
> > > use of 64 x 64bit division.
> > 
> > Which is all very sensible. But there's no particular reason we couldn't
> > add a __bswap[sd]i2 to the kernel's version of libgcc if we wanted to.
> 
> Absolutely.

And then ARM can just set ARCH_USE_BUILTIN_BSWAP like other
architectures do, right?

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David Woodhouse                            Open Source Technology Centre
David.Woodhouse at intel.com                              Intel Corporation



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