unpredictable-MVN-arm.txt
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# RUN: llvm-mc --disassemble %s -triple=armv7-linux-gnueabi 2>&1 | FileCheck %s
# A8.8.116 MVN (register)
# MVN(S)<c> <Rd>, <Rm>{, <shift>}
#
# 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
# -------------------------------------------------------------------------------------------------
# | cond | 0 0| 0| 1 1 1 1| S|(0)(0)(0)(0)| Rd | imm5 |type | 0| Rm |
# -------------------------------------------------------------------------------------------------
# MVN r2, r3 ; with bit 16 == 1 => Unpredictable
# CHECK: potentially undefined
# CHECK: 0x03 0x20 0xe1 0xe1
0x03 0x20 0xe1 0xe1
# A8.8.117 MVN (register-shifted register)
# MVN(S)<c> <Rd>, <Rm>, <type> <Rs>
#
# 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
# -------------------------------------------------------------------------------------------------
# | cond | 0 0| 0| 1 1 1 1| S|(0)(0)(0)(0)| Rd | Rs | 0|type | 1| Rm |
# -------------------------------------------------------------------------------------------------
# if d == 15 || n == 15 || m == 15 then UNPREDICTABLE;
# MVN r5, pc, lsl r7
# CHECK: potentially undefined
# CHECK: 0x1f 0x57 0xe0 0xe1
0x1f 0x57 0xe0 0xe1
# MVN pc, r6, lsl r7
# CHECK: potentially undefined
# CHECK: 0x16 0xf7 0xe0 0xe1
0x16 0xf7 0xe0 0xe1
# MVN r5, r6, lsl pc
# CHECK: potentially undefined
# CHECK: 0x16 0x5f 0xe0 0xe1
0x16 0x5f 0xe0 0xe1