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| author | Oliver Stannard <oliver.stannard@arm.com> | 2014-09-24 14:20:01 +0000 |
|---|---|---|
| committer | Oliver Stannard <oliver.stannard@arm.com> | 2014-09-24 14:20:01 +0000 |
| commit | 1ae8b476f4f8983a3a654ad3c649c6fb036d6c02 (patch) | |
| tree | 59cd0b5f33bf43df2edfc5e43f2884aee8c538bb /llvm/lib/Target/ARM/AsmParser | |
| parent | f086a14d532ed7a7622bcd742f377434c76f43d4 (diff) | |
| download | bcm5719-llvm-1ae8b476f4f8983a3a654ad3c649c6fb036d6c02.tar.gz bcm5719-llvm-1ae8b476f4f8983a3a654ad3c649c6fb036d6c02.zip | |
[Thumb] 32-bit encodings of 'cps' are not valid for v7M
v7M only allows the 16-bit encoding of the 'cps' (Change Processor
State) instruction, and does not have the 32-bit encoding which is
valid from v6T2 onwards.
llvm-svn: 218382
Diffstat (limited to 'llvm/lib/Target/ARM/AsmParser')
| -rw-r--r-- | llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 7e33ec5617d..211157c7203 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -5514,6 +5514,8 @@ bool ARMAsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name, Operands.push_back(ARMOperand::CreateImm( MCConstantExpr::Create(ProcessorIMod, getContext()), NameLoc, NameLoc)); + } else if (Mnemonic == "cps" && isMClass()) { + return Error(NameLoc, "instruction 'cps' requires effect for M-class"); } // Add the remaining tokens in the mnemonic. |
