Implement support for printing register and immediate operands,

add support for darwin vs aix syntax.  We now can print instructions
like this:

	add r3, r3, r4
	blr 

and (in aix mode):
	add 3, 3, 4
	blr 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119062 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 2 deletions

diff --git a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
index 1c59e5f..8176a1b 100644
--- a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
+++ b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
@@ -20,8 +20,15 @@ namespace llvm {
   class MCOperand;
 
 class PPCInstPrinter : public MCInstPrinter {
+  // 0 -> AIX, 1 -> Darwin.
+  unsigned SyntaxVariant;
 public:
-  PPCInstPrinter(const MCAsmInfo &MAI) : MCInstPrinter(MAI) {}
+  PPCInstPrinter(const MCAsmInfo &MAI, unsigned syntaxVariant)
+    : MCInstPrinter(MAI), SyntaxVariant(syntaxVariant) {}
+  
+  bool isDarwinSyntax() const {
+    return SyntaxVariant == 1;
+  }
   
   virtual void printInst(const MCInst *MI, raw_ostream &O);
   virtual StringRef getOpcodeName(unsigned Opcode) const;
@@ -33,7 +40,7 @@ public:
   static const char *getRegisterName(unsigned RegNo);
   
 
-  void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {}
+  void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
   void printPredicateOperand(const MCInst *MI, unsigned OpNo,
                              raw_ostream &O, const char *Modifier) {}