Dean Glazeski <dnglaze@gmail.com> fixed bug in checking of clocked back data in arm7_9_execute_fast_sys_speed. Not reported. There is a chance that this bug hid a deeper problem since it only partially disabled the check(mask & value were equal).

git-svn-id: svn://svn.berlios.de/openocd/trunk@1809 b42882b7-edfa-0310-969c-e2dbd0fdcd60