ldrb vs ldrh in gcc-3.4.4 (ARM)

[Steven Scholz]

Marius Groeger wrote:

> On Thu, 18 Aug 2005, Richard Earnshaw wrote:
> 
>> It probably makes no difference in 3.4 and earlier.  It might have a
>> small effect in later versions, but gcc doesn't really understand caches
>> and their layout yet.
> 
> 
> CPU and Arch flags do have an effect on the instruction set available in 
> GAS, though, so with bad settings you may end up with a toolchain not 
> being able to compile (assemble) code written to control the cache.

So which settings would you suggest for an AT91RM9200 and i.MX, both arm920t.

--
Steven

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