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[oota-llvm.git] / lib / Target / MBlaze / Disassembler / MBlazeDisassembler.cpp

diff --git a/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp b/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp
index 46f980c3f5102c96f0b8799f1967b196761e29d7..269219a606886e92b690a2f6f3b2d0a2d138b646 100644 (file)
--- a/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp
+++ b/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp
@@ -13,13 +13,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "MBlaze.h"
-#include "MBlazeInstrInfo.h"
 #include "MBlazeDisassembler.h"
 
 #include "llvm/MC/EDInstInfo.h"
 #include "llvm/MC/MCDisassembler.h"
-#include "llvm/MC/MCDisassembler.h"
 #include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstrDesc.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/MemoryObject.h"
 #include "llvm/Support/TargetRegistry.h"
@@ -30,14 +29,14 @@
 #include "MBlazeGenEDInfo.inc"
 
 namespace llvm {
-extern MCInstrDesc MBlazeInsts[];
+extern const MCInstrDesc MBlazeInsts[];
 }
 
 using namespace llvm;
 
 const unsigned UNSUPPORTED = -1;
 
-static unsigned mblazeBinary2Opcode[] = {
+static const unsigned mblazeBinary2Opcode[] = {
   MBlaze::ADD,   MBlaze::RSUB,   MBlaze::ADDC,   MBlaze::RSUBC,   //00,01,02,03
   MBlaze::ADDK,  MBlaze::RSUBK,  MBlaze::ADDKC,  MBlaze::RSUBKC,  //04,05,06,07
   MBlaze::ADDI,  MBlaze::RSUBI,  MBlaze::ADDIC,  MBlaze::RSUBIC,  //08,09,0A,0B
@@ -124,6 +123,7 @@ static unsigned decodeSEXT(uint32_t insn) {
     case 0x41: return MBlaze::SRL;
     case 0x21: return MBlaze::SRC;
     case 0x01: return MBlaze::SRA;
+    case 0xE0: return MBlaze::CLZ;
     }
 }
 
@@ -177,6 +177,13 @@ static unsigned decodeBR(uint32_t insn) {
 }
 
 static unsigned decodeBRI(uint32_t insn) {
+    switch (insn&0x3FFFFFF) {
+    default:        break;
+    case 0x0020004: return MBlaze::IDMEMBAR;
+    case 0x0220004: return MBlaze::DMEMBAR;
+    case 0x0420004: return MBlaze::IMEMBAR;
+    }
+
     switch ((insn>>16)&0x1F) {
     default:   return UNSUPPORTED;
     case 0x00: return MBlaze::BRI;
@@ -495,9 +502,10 @@ EDInstInfo *MBlazeDisassembler::getEDInfo() const {
 
 MCDisassembler::DecodeStatus MBlazeDisassembler::getInstruction(MCInst &instr,
                                         uint64_t &size,
-                                        const MemoryObject &region,
+                                        MemoryObject &region,
                                         uint64_t address,
-                                        raw_ostream &vStream) const {
+                                        raw_ostream &vStream,
+                                        raw_ostream &cStream) const {
   // The machine instruction.
   uint32_t insn;
   uint64_t read;
@@ -531,6 +539,9 @@ MCDisassembler::DecodeStatus MBlazeDisassembler::getInstruction(MCInst &instr,
   default: 
     return Fail;
 
+  case MBlazeII::FC:
+    break;
+
   case MBlazeII::FRRRR:
     if (RD == UNSUPPORTED || RA == UNSUPPORTED || RB == UNSUPPORTED)
       return Fail;
@@ -547,6 +558,13 @@ MCDisassembler::DecodeStatus MBlazeDisassembler::getInstruction(MCInst &instr,
     instr.addOperand(MCOperand::CreateReg(RB));
     break;
 
+  case MBlazeII::FRR:
+    if (RD == UNSUPPORTED || RA == UNSUPPORTED)
+      return Fail;
+    instr.addOperand(MCOperand::CreateReg(RD));
+    instr.addOperand(MCOperand::CreateReg(RA));
+    break;
+
   case MBlazeII::FRI:
     switch (opcode) {
     default: 
@@ -696,8 +714,9 @@ MCDisassembler::DecodeStatus MBlazeDisassembler::getInstruction(MCInst &instr,
   return Success;
 }
 
-static MCDisassembler *createMBlazeDisassembler(const Target &T) {
-  return new MBlazeDisassembler;
+static MCDisassembler *createMBlazeDisassembler(const Target &T,
+                                                const MCSubtargetInfo &STI) {
+  return new MBlazeDisassembler(STI);
 }
 
 extern "C" void LLVMInitializeMBlazeDisassembler() {