* xtensa-isa.c (xtensa_state_is_shared_or): New function.

2008-11-21  Sterling Augustine  <sterling@tensilica.com>

        * xtensa-isa-internal.h (XTENSA_STATE_IS_SHARED_OR): New flag.
        * xtensa-isa.h (xtensa_state_is_shared_or): New prototype.

2008-11-21  Sterling Augustine  <sterling@tensilica.com>

        * config/tc-xtensa.c (check_t1_t2_reads_and_writes): Call
        xtensa_state_is_shared_or to allow multiple opcodes within a
        single FLIX bundle to write to these special states.