3 files changed, 94 insertions, 0 deletions
diff --git a/lib/Target/SparcV9/.cvsignore b/lib/Target/SparcV9/.cvsignore
new file mode 100644
index 0000000000..636b15c8e3
--- /dev/null
+++ b/lib/Target/SparcV9/.cvsignore
@@ -0,0 +1 @@
+SparcV9CodeEmitter.inc
diff --git a/lib/Target/SparcV9/Makefile b/lib/Target/SparcV9/Makefile
index 68c6fee9aa..aca3a0e2ab 100644
--- a/lib/Target/SparcV9/Makefile
+++ b/lib/Target/SparcV9/Makefile
@@ -32,3 +32,6 @@ Debug/Sparc.burm : Debug/Sparc.burg.in1
 $(BUILD_ROOT)/Depend/Sparc.burm.d: $(BUILD_ROOT)/Depend/.dir
 	touch $@
 
+SparcV9CodeEmitter.inc: SparcV9.td
+	@echo "TableGen-erating $@"
+	cpp -P SparcV9.td | tblgen -gen-emitter > SparcV9CodeEmitter.inc
diff --git a/lib/Target/SparcV9/SparcV9CodeEmitter.cpp b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
new file mode 100644
index 0000000000..4f77990477
--- /dev/null
+++ b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
@@ -0,0 +1,90 @@
+#include "llvm/PassManager.h"
+#include "llvm/CodeGen/MachineCodeEmitter.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "SparcInternals.h"
+
+namespace {
+  class SparcV9CodeEmitter : public MachineFunctionPass {
+    MachineCodeEmitter &MCE;
+
+  public:
+    SparcV9CodeEmitter(MachineCodeEmitter &M) : MCE(M) {}
+    
+    bool runOnMachineFunction(MachineFunction &F);
+    
+  private:    
+    int64_t getMachineOpValue(MachineOperand &MO);
+    unsigned getValueBit(int64_t Val, unsigned bit);
+
+    void emitConstant(unsigned Val, unsigned Size);
+
+    void emitBasicBlock(MachineBasicBlock &MBB);
+    void emitInstruction(MachineInstr &MI);
+    
+    /// Function generated by the CodeEmitterGenerator using TableGen
+    ///
+    unsigned getBinaryCodeForInstr(MachineInstr &MI);
+  };
+}
+
+bool UltraSparc::addPassesToEmitMachineCode(PassManager &PM,
+                                            MachineCodeEmitter &MCE) {
+  //PM.add(new SparcV9CodeEmitter(MCE));
+  //MachineCodeEmitter *M = MachineCodeEmitter::createDebugMachineCodeEmitter();
+  MachineCodeEmitter *M = 
+    MachineCodeEmitter::createFilePrinterMachineCodeEmitter();
+  PM.add(new SparcV9CodeEmitter(*M));
+  return false;
+}
+
+void SparcV9CodeEmitter::emitConstant(unsigned Val, unsigned Size) {
+  // Output the constant in big endian byte order...
+  unsigned byteVal;
+  for (int i = Size-1; i >= 0; --i) {
+    byteVal = Val >> 8*i;
+    MCE.emitByte(byteVal & 255);
+  }
+}
+
+int64_t SparcV9CodeEmitter::getMachineOpValue(MachineOperand &MO) {
+  if (MO.isPhysicalRegister()) {
+    return MO.getReg();
+  } else if (MO.isImmediate()) {
+    return MO.getImmedValue();
+  } else if (MO.isPCRelativeDisp()) {
+    // FIXME!!!
+    //return MO.getPCRelativeDisp();
+    return 0;
+  } else {
+    assert(0 && "Unknown type of MachineOperand");
+    return 0;
+  }
+}
+
+unsigned SparcV9CodeEmitter::getValueBit(int64_t Val, unsigned bit) {
+  Val >>= bit;
+  return (Val & 1);
+}
+
+
+bool SparcV9CodeEmitter::runOnMachineFunction(MachineFunction &MF) {
+  MCE.startFunction(MF);
+  MCE.emitConstantPool(MF.getConstantPool());
+  for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I)
+    emitBasicBlock(*I);
+  MCE.finishFunction(MF);
+  return false;
+}
+
+void SparcV9CodeEmitter::emitBasicBlock(MachineBasicBlock &MBB) {
+  MCE.startBasicBlock(MBB);
+  for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end(); I != E; ++I)
+    emitInstruction(**I);
+}
+
+void SparcV9CodeEmitter::emitInstruction(MachineInstr &MI) {
+  emitConstant(getBinaryCodeForInstr(MI), 4);
+}
+
+#include "SparcV9CodeEmitter.inc"