GCC and PowerPC embedded target

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> We are investigating desiging a PowerPC 603e based embedded VME board
> that would only be able to perform 32-bit word memory accesses
> and no byte accesses.  Are there any switches to GCC that would limit GCC to
> align all memory accesses on 32-bit boundaries?

Does the level 1 cache inside the 603e have a write-back mode (as opposed
to write-through)?

If so, you could probably just configure it that way, since the write-backs
would always be 32-bit.

Eric
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