Messages in this thread | | | Date | Fri, 08 Feb 2013 17:47:33 -0500 (EST) | From | Nicolas Pitre <> | Subject | Re: [RFC] arm: use built-in byte swap function |
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On Fri, 8 Feb 2013, Woodhouse, David wrote:
> 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?
If that turns out to be beneficial over what we have now, then yes. I didn't read back the whole thread to form an opinion though.
Nicolas
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