gas/testsuite * gas/arm/barrier.s: New file. * gas/arm/barrier.d: New file. * gas/arm/barrier-thumb.s: New file. * gas/arm/barrier-thumb.d: New file. * gas/arm/barrier-bad.s: New file. * gas/arm/barrier-bad.d: New file. * gas/arm/barrier-bad.l: New file. * gas/arm/barrier-bad-thumb.s: New file. * gas/arm/barrier-bad-thumb.d: New file. * gas/arm/barrier-bad-thumb.l: New file. gas/config * tc-arm.c (OP_oBARRIER): Remove. (OP_oBARRIER_I15): Add. (po_barrier_or_imm): Add macro. (parse_operands): Improve OP_oBARRIER_I15 operand parsing. (do_barrier): Check correct immediate range. (do_t_barrier): Likewise. (barrier_opt_names): Add entries for more symbolic operands. (insns): Replace OP_oBARRIER with OP_oBARRIER_I15 for barriers. opcodes/ * arm-dis.c (print_insn_arm): Add cases for printing more symbolic operands. (print_insn_thumb32): Likewise.