[PATCH, ARM] Fix offset_ok_for_ldrd_strd in Thumb1

[Greta Yorsh]

The function offset_ok_for_ldrd_strd should return false for Thumb1, because
TARGET_LDRD and Thumb1 can be both enabled (for example, the default for
cortex-m0).

This patch fixes ICE that is caused by gcc r192678 and occurs when building
gcc with newlib for arm-none-eabi cortex-m0.

Ok for trunk?

Thanks,
Greta

ChangeLog

gcc/


2012-10-23  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (offset_ok_for_ldrd_strd): Return false for
Thumb1.
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