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# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep "invalid instruction encoding"
# Opcode=102 Name=DSB Format=ARM_FORMAT_MISCFRM(26)
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 1| 0: 1: 0: 1| 0: 1: 1: 1| 1: 1: 1: 1| 1: 1: 1: 1| 0: 0: 0: 0| 0: 1: 0: 0| 0: 0: 0: 0|
# -------------------------------------------------------------------------------------------------
#
# Inst{3-0} encodes the option: SY, ST, ISH, ISHST, NSH, NSHST, OSH, OSHST.
# Reject invalid encodings.
#
# See also A8.6.42 DSB
# All other encodings of option are reserved. It is IMPLEMENTATION DEFINED whether options
# other than SY are implemented. All unsupported and reserved options must execute as a full
# system DSB operation, but software must not rely on this behavior.
0x40 0xf0 0x7f 0xf5
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