Messages in this thread |  | | Date | Tue, 5 Nov 2013 15:45:39 -0600 | From | Kim Phillips <> | Subject | Re: [PATCH v7] arm: use built-in byte swap function |
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On Sat, 26 Oct 2013 22:41:34 -0400 Nicolas Pitre <nico@fluxnic.net> wrote:
> On Thu, 23 May 2013, Kim Phillips wrote: > > > Enable the compiler intrinsic for byte swapping on arch ARM. This > > allows the compiler to detect and be able to optimize out byte > > swappings, and has a very modest benefit on vmlinux size (Linaro gcc > > 4.8): > > > > text data bss dec hex filename > > 2840310 123932 61960 3026202 2e2d1a vmlinux-lart #orig > > 2840152 123932 61960 3026044 2e2c7c vmlinux-lart #builtin-bswap > > > > 6473120 314840 5616016 12403976 bd4508 vmlinux-mxs #orig > > 6472586 314848 5616016 12403450 bd42fa vmlinux-mxs #builtin-bswap > > > > 7419872 318372 379556 8117800 7bde28 vmlinux-imx_v6_v7 #orig > > 7419170 318364 379556 8117090 7bdb62 vmlinux-imx_v6_v7 #builtin-bswap > > > > Signed-off-by: Kim Phillips <kim.phillips@freescale.com> > > Reviewed-by: Nicolas Pitre <nico@linaro.org> > > Acked-by: David Woodhouse <David.Woodhouse@intel.com> > > Did this ever go somewhere? > > Russell suggested at the time to base it against a mainline kernel > (since it was patching files which apparently were already patched with > out-of-tree lz4 patches) and send it to his patch system.
I'll re-base and send it to his patch system.
Thanks,
Kim
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