Gilles Chanteperdrix wrote:
> Cyril Wallois wrote:
>> Hi Gilles,
>>
>> Thanks for your help.
>>
>> Here is the disassembly of the function rt_icmp_echo_reply with the
>> different ABI.
>
> So, this confirms that the armv5 version uses ldrd, whereas the armv4
> version uses ldm (old alias for ldmia).
>
> I did a quick check, and could not find the alignment constraints for
> ldrd in my ARM assembly documentation, though.
Ok. It is indicated clearly in the ARM ARM. ldrd address should be
aligned on an 8 bytes boundary on pre-armv6.
--
Gilles.
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