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archived-llvm/lib/Target/ARM/Disassembler
Tim Northover 114570df08 ARM: disallow add/sub to sp unless Rn is also sp.
The manual says that Thumb2 add/sub instructions are only allowed to modify sp
if the first source is also sp. This is slightly different from the usual rGPR
restriction since it's context-sensitive, so implement it in C++.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358987 91177308-0d34-0410-b5e6-96231b3b80d8
2019-04-23 13:50:13 +00:00
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