- Eliminate MCCodeEmitter's dependency on TargetMachine. It now uses MCInstrInfo

  and MCSubtargetInfo.
- Added methods to update subtarget features (used when targets automatically
  detect subtarget features or switch modes).
- Teach X86Subtarget to update MCSubtargetInfo features bits since the
  MCSubtargetInfo layer can be shared with other modules.
- These fixes .code 16 / .code 32 support since mode switch is updated in
  MCSubtargetInfo so MC code emitter can do the right thing.

llvm-svn: 134884

1 files changed, 15 insertions, 2 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index 5b740b91a62..28d8f13bfc1 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -12,21 +12,23 @@
 //===----------------------------------------------------------------------===//
 
 #include "PPCInstrInfo.h"
+#include "PPC.h"
 #include "PPCInstrBuilder.h"
 #include "PPCMachineFunctionInfo.h"
 #include "PPCPredicates.h"
 #include "PPCTargetMachine.h"
 #include "PPCHazardRecognizers.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/Target/TargetRegistry.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/ADT/STLExtras.h"
 
 #define GET_INSTRINFO_CTOR
 #define GET_INSTRINFO_MC_DESC
@@ -652,3 +654,14 @@ unsigned PPCInstrInfo::GetInstSizeInBytes(const MachineInstr *MI) const {
     return 4; // PowerPC instructions are all 4 bytes
   }
 }
+
+MCInstrInfo *createPPCMCInstrInfo() {
+  MCInstrInfo *X = new MCInstrInfo();
+  InitPPCMCInstrInfo(X);
+  return X;
+}
+
+extern "C" void LLVMInitializePowerPCMCInstrInfo() {
+  TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
+  TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
+}