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GCC and PowerPC embedded target

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?  I looked at the switches
and all I could come up with were -mstrict-align and -mbit-align for the
PowerPC.  However, neither one of these indicate they would do what we need.
Any ideas? Thanks in advance!

Jeff Ogden
Honeywell Defense Avionics
jeff.ogden@das.honeywell.com
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