[U-Boot] [PATCH] mpc85xx: Add support for -msingle-pic-base

York Sun york.sun at nxp.com
Fri Dec 7 17:47:11 UTC 2018


On 12/6/18 8:20 AM, Joakim Tjernlund wrote:
> -msingle-pic-base is a new gcc(from 4.6) option for ppc and
> it reduces the size of my u-boot with about 4-5 KB.
> While at it, add -fno-jump-tables too to save a
> few more bytes.
>
> e5500 core:
> size u-boot.bef
>    text	   data	    bss	    dec	    hex	filename
>  473043	  23772	 307104	 803919	  c444f	u-boot.bef
> size u-boot.aft
>    text	   data	    bss	    dec	    hex	filename
>  453195	  23772	 307104	 784071	  bf6c7	u-boot.aft
>
> e500 core:
> size u-boot.bef
>    text	   data	    bss	    dec	    hex	filename
>  292998	  17868	  24968	 335834	  51fda	u-boot.bef
> size u-boot.aft
>    text	   data	    bss	    dec	    hex	filename
>  288002	  17868	  24968	 330838	  50c56	u-boot.aft
>
> Signed-off-by: Joakim Tjernlund <joakim.tjernlund at infinera.com>
> ---

Tested on e500mc, e5500, e6500 platforms.

Acked-by: York Sun <york.sun at nxp.com>



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