llvm-6502/test/MC/Disassembler/ARM/invalid-DMB-thumb.txt
Johnny Chen 40de2b3f15 Sanity check the option operand for DMB/DSB.
PR9648
rdar://problem/9257634


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129146 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08 19:18:07 +00:00

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# RUN: llvm-mc --disassemble %s -triple=thumb-apple-darwin9 |& grep {invalid instruction encoding}
# Opcode=1908 Name=t2DMB Format=ARM_FORMAT_THUMBFRM(25)
# 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: 0: 1: 1| 1: 0: 1: 1| 1: 1: 1: 1| 1: 0: 0: 0| 1: 1: 1: 1| 0: 1: 0: 1| 0: 0: 0: 1|
# -------------------------------------------------------------------------------------------------
#
# 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.
0xbf 0xf3 0x51 0x8f