ancient ARM cpus

Niels Möller nisse at
Sun Nov 15 13:22:23 UTC 2015

Martin Husemann <martin at> writes:

> If we can get at the gcc defines easily for the m4 stuff, it probably would
> be better to use
> which seems to be present if the target cpu supports thumb mode.

I should be fairly straightforward to have a configure test checking
that, something like,

#error Thumb not supported
    ], [], [
    ], [

Or check $host_cpu directly; whatever seems best for portability.

And then define a suitable return macro in arm-defs.m4, for use in the
v4 assembly files.


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