[PATCH] fix Thumb-2 decompressor broken by "Auto calculate ZRELADDR"

[Rabin Vincent]

2010/7/31 Uwe Kleine-König <u.kleine-koenig at pengutronix.de>:
> On Sat, Jul 31, 2010 at 01:05:23AM +0530, Rabin Vincent wrote:
>> Fix it, and also change the ARM code to use the separate SP-load since
>> ARM instructions that include the SP in the LDM register list are
>> deprecated.
> I only found:
>
>        LDM{<cond>}<addressing_mode> <Rn>{!}, <registers>
>        ...
>        If the base register <Rn> is specified in <registers>, and base
>        register write-back is specified,
>        the final value of <Rn> is UNPREDICTABLE.
>
> Are you really sure about this?  Where do you know it from?

This is in section "A8.6.53 LDM / LDMIA / LDMFD" of the
ARM ARM (v7 edition):

  LDM<c><q> <Rn>{!}, <registers>

  <registers> The SP can be in the list in ARM code, but not
  in Thumb code. However, ARM instructions that include the
  SP in the list are deprecated.