> Talking about the 16bit instructions (thumb, not newer Cortex instruction
> sets), other than code density, where would one want to use them? I'm fon=
d
> with the 32bit one and know only those, and I don't have particular memor=
y
> limitations (not any that justify thumb mode use).

I think 'plain' thumb is a dead end now, Cortex is the future.

Why 16 bit instructions at all? The rate at which memory could feed=20
32-bits instructions became a bottleneck. 16-bit instructions offer a=20
twofold improvement in instruction bandwidth.

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Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
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docent Hogeschool van Utrecht: www.voti.nl/hvu

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