diff options
Diffstat (limited to 'lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp')
-rw-r--r-- | lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp index caa1949..ea5d7ba 100644 --- a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp +++ b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp @@ -26,16 +26,32 @@ #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/TargetRegistry.h" +using namespace llvm; + #define GET_REGINFO_MC_DESC #include "ARMGenRegisterInfo.inc" +static bool getMCRDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI, + std::string &Info) { + // Checks for the deprecated CP15ISB encoding: + // mcr pX, #0, rX, c7, c5, #4 + if (STI.getFeatureBits() & llvm::ARM::HasV8Ops && + (MI.getOperand(1).isImm() && MI.getOperand(1).getImm() == 0) && + (MI.getOperand(3).isImm() && MI.getOperand(3).getImm() == 7) && + (MI.getOperand(4).isImm() && MI.getOperand(4).getImm() == 5) && + (MI.getOperand(5).isImm() && MI.getOperand(5).getImm() == 4)) { + Info = "deprecated on armv8"; + return true; + } + return false; +} + #define GET_INSTRINFO_MC_DESC #include "ARMGenInstrInfo.inc" #define GET_SUBTARGETINFO_MC_DESC #include "ARMGenSubtargetInfo.inc" -using namespace llvm; std::string ARM_MC::ParseARMTriple(StringRef TT, StringRef CPU) { Triple triple(TT); |