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SubjectRe: [PATCH v7] arm: use built-in byte swap function
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>
> ---
> resending as v6 appears to have fallen though the cracks. Russell?

Please send your patch to Russell's patch system:

http://www.arm.linux.org.uk/developer/patches/


Nicolas


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