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Check the corner cases for t2LDRSHi12 correctly and mark invalid encodings as such.

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rdar://problem/9276651


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129462 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Johnny Chen
2011-04-13 19:46:05 +00:00
parent 65705d559a
commit 9bb386a933
3 changed files with 53 additions and 1 deletions
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10
test/MC/Disassembler/ARM/invalid-t2LDRSHi12-thumb.txt Normal file
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# RUN: llvm-mc --disassemble %s -triple=thumb-apple-darwin9 |& grep {invalid instruction encoding}
# Opcode=1953 Name=t2LDRSHi12 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| 1: 0: 0: 1| 1: 0: 1: 1| 0: 0: 1: 1| 1: 1: 1: 1| 1: 0: 0: 0| 1: 1: 0: 1| 1: 1: 1: 1|
# -------------------------------------------------------------------------------------------------
#
# if Rt = '1111' then SEE "Unallocated memory hints"
0xb3 0xf9 0xdf 0xf8

10
test/MC/Disassembler/ARM/invalid-t2LDRSHi8-thumb.txt Normal file
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# RUN: llvm-mc --disassemble %s -triple=thumb-apple-darwin9 |& grep {invalid instruction encoding}
# Opcode=1954 Name=t2LDRSHi8 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| 1: 0: 0: 1| 0: 0: 1: 1| 0: 1: 0: 1| 1: 1: 1: 1| 1: 1: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0|
# -------------------------------------------------------------------------------------------------
#
# if Rt == '1111' and PUW == '100' then SEE "Unallocated memory hints"
0x35 0xf9 0x00 0xfc