diff options
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index f5d2a0ea3d..f0d74f3345 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -2952,6 +2952,12 @@ bool ARMAsmParser::ParseInstruction(StringRef Name, SMLoc NameLoc, Mnemonic = splitMnemonic(Mnemonic, PredicationCode, CarrySetting, ProcessorIMod); + // In Thumb1, only the branch (B) instruction can be predicated. + if (isThumbOne() && PredicationCode != ARMCC::AL && Mnemonic != "b") { + Parser.EatToEndOfStatement(); + return Error(NameLoc, "conditional execution not supported in Thumb1"); + } + Operands.push_back(ARMOperand::CreateToken(Mnemonic, NameLoc)); // FIXME: This is all a pretty gross hack. We should automatically handle |