[U-Boot] [PATCH] ARM: move -march=* and -mtune= options to arch/arm/Makefile
Albert ARIBAUD
albert.u.boot at aribaud.net
Wed Feb 25 22:14:36 CET 2015
Hello Masahiro,
On Tue, 10 Feb 2015 19:52:56 +0900, Masahiro Yamada
<yamada.m at jp.panasonic.com> wrote:
> My main motivation for this commit:
>
> [1] Follow the arch/arm/Makefile style of Linux Kernel
>
> [2] Maintain compiler options systematically
> Currently, we give -march=* and -mtune=* options inconsistently:
> Only some of the CPUs pass -march=* and -mtune=* options.
> By collecting flags into the arch/arm/Makefile, we can tell which
> options are missing at a glance.
>
> [3] Prepare for deprecating arch/*/cpu/*/config.mk
>
> Note:
> This commit just moves the compiler options so as not to change
> the behavior at all. It does not care the correctness of the
> given options. Fox example, "-march=armv5te" might be better than
> "-march=armv4" for ARM946EJS, but it is beyond the scope this
> commit. Also, filling the missing -march=* and -tune=* is left
> to follow-up patches.
>
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
> ---
I'm fine with the patch's goal and principle, but it does not seem to
apply properly to u-boot-arm/master. Can you have a look?
Amicalement,
--
Albert.
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