Geert Uytterhoeven wrote:

Alternatively, you can base your decisions on specific features that are shared
among different machine types, and say

    if (has_feature_a) {
        ...
    }

instead of

    #if defined(CONFIG_x) || defined(CONFIG_y) || defined(CONFIG_z)
    ...
    #endif

Yes, but one of the things I am trying to do is reduce the
code size and instructions to execute.  On a 500 MHz G4 with
a Gigabyte of memory, a few extra instructions is no big deal.
On a 33 MHz 8xx with 8 Mbytes of memory, you watch all of this
pretty closely :-).


	-- Dan

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