1# RUN: llvm-mc --disassemble %s -triple=thumbv7-apple-darwin9 |& grep {invalid instruction encoding}
2# XFAIL: *
3
4# Opcode=2127 Name=t2STREXB Format=ARM_FORMAT_THUMBFRM(25)
5#  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 
6# -------------------------------------------------------------------------------------------------
7# | 1: 1: 1: 0| 1: 0: 0: 0| 1: 1: 0: 0| 0: 0: 1: 0| 1: 0: 0: 0| 1: 1: 1: 1| 0: 1: 0: 0| 0: 0: 1: 0|
8# -------------------------------------------------------------------------------------------------
9# 
10# if d == n || d == t then UNPREDICTABLE
110xc2 0xe8 0x42 0x8f
12