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SubjectRe: [PATCH v2] powerpc: Pass correct CPU reference to assembler
Hi!

On Fri, Dec 16, 2022 at 09:35:50AM +0100, Christophe Leroy wrote:
> The problem comes from the fact that CONFIG_PPC_E500MC is selected for
> both the e500mc (32 bits) and the e5500 (64 bits), and therefore the
> following makefile rule is wrong:
>
> cpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc)

Yes.

> Today we have CONFIG_TARGET_CPU which provides the identification of the
> expected CPU, it is used for GCC. Use it as well for the assembler.

Why do you use -Wa, at all for this? The compiler should already pass
proper options always!

> +cpu-as-$(CONFIG_PPC_BOOK3S_64) += $(call as-option,-Wa$(comma)-many)

What is this for? Using -many is a huge step back, it hides many
problems :-(


Segher

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