llvm-6502/test/MC/Disassembler/ARM/invalid-UMAAL-arm.txt
Johnny Chen b26d8d7c49 Check for invalid register encodings for UMAAL and friends where:
if dLo == 15 || dHi == 15 || n == 15 || m == 15 then UNPREDICTABLE;
    if dHi == dLo then UNPREDICTABLE;

rdar://problem/9230202


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128895 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-05 17:43:10 +00:00

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# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
# Opcode=419 Name=UMAAL Format=ARM_FORMAT_MULFRM(1)
# 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: 0: 0| 0: 1: 0: 0| 1: 1: 1: 1| 1: 0: 1: 1| 1: 1: 1: 1| 1: 0: 0: 1| 1: 0: 0: 0|
# -------------------------------------------------------------------------------------------------
#
# A8.6.244 UMAAL
# if dLo == 15 || dHi == 15 || n == 15 || m == 15 then UNPREDICTABLE;
0x98 0xbf 0x4f 0xf0