[llvm-commits] [vector_llvm] CVS: llvm/lib/Target/Alpha/Alpha.h Alpha.td AlphaISelDAGToDAG.cpp AlphaISelLowering.cpp AlphaISelLowering.h AlphaISelPattern.cpp AlphaInstrFormats.td AlphaInstrInfo.cpp AlphaInstrInfo.td AlphaRegisterInfo.cpp AlphaRegisterInfo.h AlphaRegisterInfo.td AlphaSubtarget.cpp AlphaSubtarget.h AlphaTargetMachine.cpp AlphaTargetMachine.h Makefile

Robert Bocchino bocchino at cs.uiuc.edu
Wed Nov 16 10:32:44 PST 2005



Changes in directory llvm/lib/Target/Alpha:

Alpha.h updated: 1.4 -> 1.4.2.1
Alpha.td updated: 1.4 -> 1.4.2.1
AlphaISelDAGToDAG.cpp added (r1.5.4.2)
AlphaISelLowering.cpp updated: 1.7 -> 1.7.2.1
AlphaISelLowering.h updated: 1.1 -> 1.1.2.1
AlphaISelPattern.cpp updated: 1.173 -> 1.173.2.1
AlphaInstrFormats.td updated: 1.6 -> 1.6.2.1
AlphaInstrInfo.cpp updated: 1.5 -> 1.5.4.1
AlphaInstrInfo.td updated: 1.59 -> 1.59.2.1
AlphaRegisterInfo.cpp updated: 1.28 -> 1.28.2.1
AlphaRegisterInfo.h updated: 1.7 -> 1.7.2.1
AlphaRegisterInfo.td updated: 1.12 -> 1.12.2.1
AlphaSubtarget.cpp updated: 1.3 -> 1.3.2.1
AlphaSubtarget.h updated: 1.1 -> 1.1.2.1
AlphaTargetMachine.cpp updated: 1.13 -> 1.13.2.1
AlphaTargetMachine.h updated: 1.10 -> 1.10.2.1
Makefile updated: 1.2 -> 1.2.4.1
---
Log message:

Merged mainline into Vector LLVM branch


---
Diffs of the changes:  (+996 -530)

 Alpha.h                |    1 
 Alpha.td               |   24 +
 AlphaISelDAGToDAG.cpp  |  288 ++++++++++++++++++++++
 AlphaISelLowering.cpp  |    4 
 AlphaISelLowering.h    |    9 
 AlphaISelPattern.cpp   |  253 +++++--------------
 AlphaInstrFormats.td   |   96 ++++---
 AlphaInstrInfo.cpp     |    4 
 AlphaInstrInfo.td      |  632 +++++++++++++++++++++++++++++++------------------
 AlphaRegisterInfo.cpp  |   71 ++++-
 AlphaRegisterInfo.h    |    3 
 AlphaRegisterInfo.td   |   55 +++-
 AlphaSubtarget.cpp     |   44 ---
 AlphaSubtarget.h       |    4 
 AlphaTargetMachine.cpp |   27 +-
 AlphaTargetMachine.h   |    8 
 Makefile               |    3 
 17 files changed, 996 insertions(+), 530 deletions(-)


Index: llvm/lib/Target/Alpha/Alpha.h
diff -u llvm/lib/Target/Alpha/Alpha.h:1.4 llvm/lib/Target/Alpha/Alpha.h:1.4.2.1
--- llvm/lib/Target/Alpha/Alpha.h:1.4	Fri Jul 22 15:52:16 2005
+++ llvm/lib/Target/Alpha/Alpha.h	Wed Nov 16 12:32:33 2005
@@ -24,6 +24,7 @@
   class MachineCodeEmitter;
 
   FunctionPass *createAlphaSimpleInstructionSelector(TargetMachine &TM);
+  FunctionPass *createAlphaISelDag(TargetMachine &TM);
   FunctionPass *createAlphaCodePrinterPass(std::ostream &OS,
                                              TargetMachine &TM);
   FunctionPass *createAlphaPatternInstructionSelector(TargetMachine &TM);


Index: llvm/lib/Target/Alpha/Alpha.td
diff -u llvm/lib/Target/Alpha/Alpha.td:1.4 llvm/lib/Target/Alpha/Alpha.td:1.4.2.1
--- llvm/lib/Target/Alpha/Alpha.td:1.4	Thu Jun 23 18:42:05 2005
+++ llvm/lib/Target/Alpha/Alpha.td	Wed Nov 16 12:32:33 2005
@@ -17,6 +17,15 @@
 //Alpha is little endian
 
 //===----------------------------------------------------------------------===//
+// Subtarget Features
+//===----------------------------------------------------------------------===//
+
+def FeatureCIX : SubtargetFeature<"CIX", "bool", "HasCT",
+                                  "Enable CIX extentions">;
+def FeatureFIX : SubtargetFeature<"FIX", "bool", "HasF2I",
+                                  "Enable FIX extentions">;
+
+//===----------------------------------------------------------------------===//
 // Register File Description
 //===----------------------------------------------------------------------===//
 
@@ -36,6 +45,21 @@
  // let TSFlagsShifts = [];
 }
 
+//===----------------------------------------------------------------------===//
+// Alpha Processor Definitions
+//===----------------------------------------------------------------------===//
+
+def : Processor<"generic", NoItineraries, []>;
+def : Processor<"pca56"  , NoItineraries, []>;
+def : Processor<"ev56"   , NoItineraries, []>;
+def : Processor<"ev6"    , NoItineraries, [FeatureFIX]>;
+def : Processor<"ev67"   , NoItineraries, [FeatureFIX, FeatureCIX]>;
+
+//===----------------------------------------------------------------------===//
+// The Alpha Target
+//===----------------------------------------------------------------------===//
+
+
 def Alpha : Target {
   // Pointers on Alpha are 64-bits in size.
   let PointerType = i64;


Index: llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
diff -c /dev/null llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp:1.5.4.2
*** /dev/null	Wed Nov 16 12:32:44 2005
--- llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp	Wed Nov 16 12:32:33 2005
***************
*** 0 ****
--- 1,288 ----
+ //===-- AlphaISelDAGToDAG.cpp - Alpha pattern matching inst selector ------===//
+ //
+ //                     The LLVM Compiler Infrastructure
+ //
+ // This file was developed by Andrew Lenharth and is distributed under
+ // the University of Illinois Open Source License. See LICENSE.TXT for details.
+ //
+ //===----------------------------------------------------------------------===//
+ //
+ // This file defines a pattern matching instruction selector for Alpha,
+ // converting from a legalized dag to a Alpha dag.
+ //
+ //===----------------------------------------------------------------------===//
+ 
+ #include "Alpha.h"
+ #include "AlphaTargetMachine.h"
+ #include "AlphaISelLowering.h"
+ #include "llvm/CodeGen/MachineInstrBuilder.h"
+ #include "llvm/CodeGen/MachineFunction.h"
+ #include "llvm/CodeGen/SSARegMap.h"
+ #include "llvm/CodeGen/SelectionDAG.h"
+ #include "llvm/CodeGen/SelectionDAGISel.h"
+ #include "llvm/Target/TargetOptions.h"
+ #include "llvm/ADT/Statistic.h"
+ #include "llvm/Constants.h"
+ #include "llvm/GlobalValue.h"
+ #include "llvm/Support/Debug.h"
+ #include "llvm/Support/MathExtras.h"
+ #include <algorithm>
+ using namespace llvm;
+ 
+ namespace {
+ 
+   //===--------------------------------------------------------------------===//
+   /// AlphaDAGToDAGISel - Alpha specific code to select Alpha machine
+   /// instructions for SelectionDAG operations.
+   ///
+   class AlphaDAGToDAGISel : public SelectionDAGISel {
+     AlphaTargetLowering AlphaLowering;
+ 
+   public:
+     AlphaDAGToDAGISel(TargetMachine &TM)
+       : SelectionDAGISel(AlphaLowering), AlphaLowering(TM) {}
+ 
+     /// getI64Imm - Return a target constant with the specified value, of type
+     /// i64.
+     inline SDOperand getI64Imm(int64_t Imm) {
+       return CurDAG->getTargetConstant(Imm, MVT::i64);
+     }
+ 
+     // Select - Convert the specified operand from a target-independent to a
+     // target-specific node if it hasn't already been changed.
+     SDOperand Select(SDOperand Op);
+     
+     /// InstructionSelectBasicBlock - This callback is invoked by
+     /// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
+     virtual void InstructionSelectBasicBlock(SelectionDAG &DAG);
+     
+     virtual const char *getPassName() const {
+       return "Alpha DAG->DAG Pattern Instruction Selection";
+     } 
+ 
+ // Include the pieces autogenerated from the target description.
+ #include "AlphaGenDAGISel.inc"
+     
+ private:
+     SDOperand getGlobalBaseReg();
+     SDOperand SelectCALL(SDOperand Op);
+ 
+   };
+ }
+ 
+ /// getGlobalBaseReg - Output the instructions required to put the
+ /// GOT address into a register.
+ ///
+ SDOperand AlphaDAGToDAGISel::getGlobalBaseReg() {
+   return CurDAG->getRegister(AlphaLowering.getVRegGP(), MVT::i64);
+ }
+ 
+ /// InstructionSelectBasicBlock - This callback is invoked by
+ /// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
+ void AlphaDAGToDAGISel::InstructionSelectBasicBlock(SelectionDAG &DAG) {
+   DEBUG(BB->dump());
+   
+   // Select target instructions for the DAG.
+   DAG.setRoot(Select(DAG.getRoot()));
+   CodeGenMap.clear();
+   DAG.RemoveDeadNodes();
+   
+   // Emit machine code to BB. 
+   ScheduleAndEmitDAG(DAG);
+ }
+ 
+ // Select - Convert the specified operand from a target-independent to a
+ // target-specific node if it hasn't already been changed.
+ SDOperand AlphaDAGToDAGISel::Select(SDOperand Op) {
+   SDNode *N = Op.Val;
+   if (N->getOpcode() >= ISD::BUILTIN_OP_END &&
+       N->getOpcode() < AlphaISD::FIRST_NUMBER)
+     return Op;   // Already selected.
+ 
+   // If this has already been converted, use it.
+   std::map<SDOperand, SDOperand>::iterator CGMI = CodeGenMap.find(Op);
+   if (CGMI != CodeGenMap.end()) return CGMI->second;
+   
+   switch (N->getOpcode()) {
+   default: break;
+   case ISD::TAILCALL:
+   case ISD::CALL: return SelectCALL(Op);
+ 
+   case ISD::DYNAMIC_STACKALLOC:
+     assert(0 && "You want these too?");
+ 
+   case ISD::BRCOND: {
+     SDOperand Chain = Select(N->getOperand(0));
+     SDOperand CC = Select(N->getOperand(1));
+     CurDAG->SelectNodeTo(N, Alpha::BNE, MVT::Other,  CC, Chain);
+     return SDOperand(N, 0);
+   }
+   case ISD::LOAD:
+   case ISD::EXTLOAD:
+   case ISD::ZEXTLOAD:
+   case ISD::SEXTLOAD: {
+     SDOperand Chain = Select(N->getOperand(0));
+     SDOperand Address = Select(N->getOperand(1));
+     unsigned opcode = N->getOpcode();
+     unsigned Opc = Alpha::WTF;
+     if (opcode == ISD::LOAD)
+       switch (N->getValueType(0)) {
+       default: N->dump(); assert(0 && "Bad load!");
+       case MVT::i64: Opc = Alpha::LDQ; break;
+       case MVT::f64: Opc = Alpha::LDT; break;
+       case MVT::f32: Opc = Alpha::LDS; break;
+       }
+     else
+       switch (cast<VTSDNode>(N->getOperand(3))->getVT()) {
+       default: N->dump(); assert(0 && "Bad sign extend!");
+       case MVT::i32: Opc = Alpha::LDL;
+         assert(opcode != ISD::ZEXTLOAD && "Not sext"); break;
+       case MVT::i16: Opc = Alpha::LDWU;
+         assert(opcode != ISD::SEXTLOAD && "Not zext"); break;
+       case MVT::i1: //FIXME: Treat i1 as i8 since there are problems otherwise
+       case MVT::i8: Opc = Alpha::LDBU;
+           assert(opcode != ISD::SEXTLOAD && "Not zext"); break;
+       }
+ 
+     CurDAG->SelectNodeTo(N, Opc, N->getValueType(0), MVT::Other,
+                          getI64Imm(0), Address, Chain);
+     return SDOperand(N, Op.ResNo);
+   }
+ 
+   case ISD::BR: {
+     CurDAG->SelectNodeTo(N, Alpha::BR_DAG, MVT::Other, N->getOperand(1),
+                          Select(N->getOperand(0)));
+     return SDOperand(N, 0);
+   }
+ 
+   case ISD::UNDEF:
+     if (N->getValueType(0) == MVT::i64)
+       CurDAG->SelectNodeTo(N, Alpha::IDEF, MVT::i64);
+ //     else if (N->getValueType(0) == MVT::f32)
+ //       CurDAG->SelectNodeTo(N, PPC::IMPLICIT_DEF_F4, MVT::f32);
+ //     else 
+ //       CurDAG->SelectNodeTo(N, PPC::IMPLICIT_DEF_F8, MVT::f64);
+     return SDOperand(N, 0);
+   case ISD::FrameIndex: {
+ //     int FI = cast<FrameIndexSDNode>(N)->getIndex();
+ //     CurDAG->SelectNodeTo(N, Alpha::LDA, MVT::i64,
+ //                          CurDAG->getTargetFrameIndex(FI, MVT::i32),
+ //                          getI32Imm(0));
+ //     return SDOperand(N, 0);
+     assert(0 && "Frame?, you are suppose to look through the window, not at the frame!");
+   }
+   case ISD::ConstantPool: {
+ //     Constant *C = cast<ConstantPoolSDNode>(N)->get();
+ //     SDOperand Tmp, CPI = CurDAG->getTargetConstantPool(C, MVT::i32);
+ //     if (PICEnabled)
+ //       Tmp = CurDAG->getTargetNode(PPC::ADDIS, MVT::i32, getGlobalBaseReg(),CPI);
+ //     else
+ //       Tmp = CurDAG->getTargetNode(PPC::LIS, MVT::i32, CPI);
+ //     CurDAG->SelectNodeTo(N, PPC::LA, MVT::i32, Tmp, CPI);
+ //     return SDOperand(N, 0);
+     assert(0 && "Constants are overrated");
+   }
+   case ISD::GlobalAddress: {
+     GlobalValue *GV = cast<GlobalAddressSDNode>(N)->getGlobal();
+     SDOperand GA = CurDAG->getTargetGlobalAddress(GV, MVT::i64);
+     CurDAG->SelectNodeTo(N, Alpha::LDQl, MVT::i64, GA, getGlobalBaseReg());
+     return SDOperand(N, 0);
+   }
+   case ISD::ExternalSymbol:
+     CurDAG->SelectNodeTo(N, Alpha::LDQl, MVT::i64, 
+                          CurDAG->getTargetExternalSymbol(cast<ExternalSymbolSDNode>(N)->getSymbol(), MVT::i64),
+                          CurDAG->getRegister(AlphaLowering.getVRegGP(), MVT::i64));
+     return SDOperand(N, 0);
+ 
+   case ISD::CALLSEQ_START:
+   case ISD::CALLSEQ_END: {
+     unsigned Amt = cast<ConstantSDNode>(N->getOperand(1))->getValue();
+     unsigned Opc = N->getOpcode() == ISD::CALLSEQ_START ?
+                        Alpha::ADJUSTSTACKDOWN : Alpha::ADJUSTSTACKUP;
+     CurDAG->SelectNodeTo(N, Opc, MVT::Other,
+                          getI64Imm(Amt), Select(N->getOperand(0)));
+     return SDOperand(N, 0);
+   }
+   case ISD::RET: {
+     SDOperand Chain = Select(N->getOperand(0));     // Token chain.
+ 
+     if (N->getNumOperands() == 2) {
+       SDOperand Val = Select(N->getOperand(1));
+       if (N->getOperand(1).getValueType() == MVT::i64) {
+         Chain = CurDAG->getCopyToReg(Chain, Alpha::R0, Val);
+       }
+     }
+     //BuildMI(BB, Alpha::RET, 2, Alpha::R31).addReg(Alpha::R26).addImm(1);
+ 
+     // FIXME: add restoring of the RA to R26 to the chain
+     // Finally, select this to a ret instruction.
+     CurDAG->SelectNodeTo(N, Alpha::RETDAG, MVT::Other, Chain);
+     return SDOperand(N, 0);
+   }
+ 
+ 
+ 
+   }
+   
+   return SelectCode(Op);
+ }
+ 
+ SDOperand AlphaDAGToDAGISel::SelectCALL(SDOperand Op) {
+   SDNode *N = Op.Val;
+   SDOperand Chain = Select(N->getOperand(0));
+   SDOperand Addr = Select(N->getOperand(1));
+ 
+ //   unsigned CallOpcode;
+    std::vector<SDOperand> CallOperands;
+    std::vector<MVT::ValueType> TypeOperands;
+   
+    //grab the arguments
+    for(int i = 2, e = N->getNumOperands(); i < e; ++i) {
+      TypeOperands.push_back(N->getOperand(i).getValueType());
+      CallOperands.push_back(Select(N->getOperand(i)));
+    }
+    int count = N->getNumOperands() - 2;
+ 
+    static const unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18,
+                                        Alpha::R19, Alpha::R20, Alpha::R21};
+    static const unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18,
+                                          Alpha::F19, Alpha::F20, Alpha::F21};
+    
+    for (int i = 0; i < std::min(6, count); ++i) {
+      if (MVT::isInteger(TypeOperands[i])) {
+        Chain = CurDAG->getCopyToReg(Chain, args_int[i], CallOperands[i]);
+      } else {
+        assert(0 && "No FP support yet"); 
+      }
+    }
+    assert(CallOperands.size() <= 6 && "Too big a call");
+ 
+    Chain = CurDAG->getCopyToReg(Chain, Alpha::R27, Addr);
+    // Finally, once everything is in registers to pass to the call, emit the
+    // call itself.
+    Chain = CurDAG->getTargetNode(Alpha::JSRDAG, MVT::Other, Chain );
+   
+    std::vector<SDOperand> CallResults;
+   
+    switch (N->getValueType(0)) {
+    default: assert(0 && "Unexpected ret value!");
+      case MVT::Other: break;
+    case MVT::i64:
+      Chain = CurDAG->getCopyFromReg(Chain, Alpha::R0, MVT::i64).getValue(1);
+      CallResults.push_back(Chain.getValue(0));
+      break;
+    }
+ 
+    CallResults.push_back(Chain);
+    for (unsigned i = 0, e = CallResults.size(); i != e; ++i)
+      CodeGenMap[Op.getValue(i)] = CallResults[i];
+    return CallResults[Op.ResNo];
+ }
+ 
+ 
+ /// createAlphaISelDag - This pass converts a legalized DAG into a 
+ /// Alpha-specific DAG, ready for instruction scheduling.
+ ///
+ FunctionPass *llvm::createAlphaISelDag(TargetMachine &TM) {
+   return new AlphaDAGToDAGISel(TM);
+ }


Index: llvm/lib/Target/Alpha/AlphaISelLowering.cpp
diff -u llvm/lib/Target/Alpha/AlphaISelLowering.cpp:1.7 llvm/lib/Target/Alpha/AlphaISelLowering.cpp:1.7.2.1
--- llvm/lib/Target/Alpha/AlphaISelLowering.cpp:1.7	Thu Oct  6 11:54:29 2005
+++ llvm/lib/Target/Alpha/AlphaISelLowering.cpp	Wed Nov 16 12:32:33 2005
@@ -50,8 +50,8 @@
   setSetCCResultContents(ZeroOrOneSetCCResult);
   
   addRegisterClass(MVT::i64, Alpha::GPRCRegisterClass);
-  addRegisterClass(MVT::f64, Alpha::FPRCRegisterClass);
-  addRegisterClass(MVT::f32, Alpha::FPRCRegisterClass);
+  addRegisterClass(MVT::f64, Alpha::F8RCRegisterClass);
+  addRegisterClass(MVT::f32, Alpha::F4RCRegisterClass);
   
   setOperationAction(ISD::BRCONDTWOWAY, MVT::Other, Expand);
   setOperationAction(ISD::BRTWOWAY_CC,  MVT::Other, Expand);


Index: llvm/lib/Target/Alpha/AlphaISelLowering.h
diff -u llvm/lib/Target/Alpha/AlphaISelLowering.h:1.1 llvm/lib/Target/Alpha/AlphaISelLowering.h:1.1.2.1
--- llvm/lib/Target/Alpha/AlphaISelLowering.h:1.1	Fri Sep  2 13:46:02 2005
+++ llvm/lib/Target/Alpha/AlphaISelLowering.h	Wed Nov 16 12:32:33 2005
@@ -21,6 +21,13 @@
 
 namespace llvm {
 
+  namespace AlphaISD {
+    enum NodeType {
+      // Start the numbering where the builting ops and target ops leave off.
+      FIRST_NUMBER = ISD::BUILTIN_OP_END+Alpha::INSTRUCTION_LIST_END,
+    };
+  }
+
   class AlphaTargetLowering : public TargetLowering {
     int VarArgsOffset;  // What is the offset to the first vaarg
     int VarArgsBase;    // What is the base FrameIndex
@@ -52,6 +59,8 @@
 
     void restoreGP(MachineBasicBlock* BB);
     void restoreRA(MachineBasicBlock* BB);
+    unsigned getVRegGP() { return GP; }
+    unsigned getVRegRA() { return RA; }
   };
 }
 


Index: llvm/lib/Target/Alpha/AlphaISelPattern.cpp
diff -u llvm/lib/Target/Alpha/AlphaISelPattern.cpp:1.173 llvm/lib/Target/Alpha/AlphaISelPattern.cpp:1.173.2.1
--- llvm/lib/Target/Alpha/AlphaISelPattern.cpp:1.173	Thu Oct  6 11:54:29 2005
+++ llvm/lib/Target/Alpha/AlphaISelPattern.cpp	Wed Nov 16 12:32:33 2005
@@ -82,6 +82,10 @@
     AlphaLowering(TM)
   {}
 
+    virtual const char *getPassName() const {
+      return "Alpha Pattern Instruction Selection";
+    } 
+
   /// InstructionSelectBasicBlock - This callback is invoked by
   /// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
   virtual void InstructionSelectBasicBlock(SelectionDAG &DAG) {
@@ -235,152 +239,6 @@
 }
 
 
-//Shamelessly adapted from PPC32
-// Structure used to return the necessary information to codegen an SDIV as
-// a multiply.
-struct ms {
-  int64_t m; // magic number
-  int64_t s; // shift amount
-};
-
-struct mu {
-  uint64_t m; // magic number
-  int64_t a;          // add indicator
-  int64_t s;          // shift amount
-};
-
-/// magic - calculate the magic numbers required to codegen an integer sdiv as
-/// a sequence of multiply and shifts.  Requires that the divisor not be 0, 1,
-/// or -1.
-static struct ms magic(int64_t d) {
-  int64_t p;
-  uint64_t ad, anc, delta, q1, r1, q2, r2, t;
-  const uint64_t two63 = 9223372036854775808ULL; // 2^63
-  struct ms mag;
-
-  ad = llabs(d);
-  t = two63 + ((uint64_t)d >> 63);
-  anc = t - 1 - t%ad;   // absolute value of nc
-  p = 63;               // initialize p
-  q1 = two63/anc;       // initialize q1 = 2p/abs(nc)
-  r1 = two63 - q1*anc;  // initialize r1 = rem(2p,abs(nc))
-  q2 = two63/ad;        // initialize q2 = 2p/abs(d)
-  r2 = two63 - q2*ad;   // initialize r2 = rem(2p,abs(d))
-  do {
-    p = p + 1;
-    q1 = 2*q1;        // update q1 = 2p/abs(nc)
-    r1 = 2*r1;        // update r1 = rem(2p/abs(nc))
-    if (r1 >= anc) {  // must be unsigned comparison
-      q1 = q1 + 1;
-      r1 = r1 - anc;
-    }
-    q2 = 2*q2;        // update q2 = 2p/abs(d)
-    r2 = 2*r2;        // update r2 = rem(2p/abs(d))
-    if (r2 >= ad) {   // must be unsigned comparison
-      q2 = q2 + 1;
-      r2 = r2 - ad;
-    }
-    delta = ad - r2;
-  } while (q1 < delta || (q1 == delta && r1 == 0));
-
-  mag.m = q2 + 1;
-  if (d < 0) mag.m = -mag.m; // resulting magic number
-  mag.s = p - 64;            // resulting shift
-  return mag;
-}
-
-/// magicu - calculate the magic numbers required to codegen an integer udiv as
-/// a sequence of multiply, add and shifts.  Requires that the divisor not be 0.
-static struct mu magicu(uint64_t d)
-{
-  int64_t p;
-  uint64_t nc, delta, q1, r1, q2, r2;
-  struct mu magu;
-  magu.a = 0;               // initialize "add" indicator
-  nc = - 1 - (-d)%d;
-  p = 63;                   // initialize p
-  q1 = 0x8000000000000000ull/nc;       // initialize q1 = 2p/nc
-  r1 = 0x8000000000000000ull - q1*nc;  // initialize r1 = rem(2p,nc)
-  q2 = 0x7FFFFFFFFFFFFFFFull/d;        // initialize q2 = (2p-1)/d
-  r2 = 0x7FFFFFFFFFFFFFFFull - q2*d;   // initialize r2 = rem((2p-1),d)
-  do {
-    p = p + 1;
-    if (r1 >= nc - r1 ) {
-      q1 = 2*q1 + 1;  // update q1
-      r1 = 2*r1 - nc; // update r1
-    }
-    else {
-      q1 = 2*q1; // update q1
-      r1 = 2*r1; // update r1
-    }
-    if (r2 + 1 >= d - r2) {
-      if (q2 >= 0x7FFFFFFFFFFFFFFFull) magu.a = 1;
-      q2 = 2*q2 + 1;     // update q2
-      r2 = 2*r2 + 1 - d; // update r2
-    }
-    else {
-      if (q2 >= 0x8000000000000000ull) magu.a = 1;
-      q2 = 2*q2;     // update q2
-      r2 = 2*r2 + 1; // update r2
-    }
-    delta = d - 1 - r2;
-  } while (p < 64 && (q1 < delta || (q1 == delta && r1 == 0)));
-  magu.m = q2 + 1; // resulting magic number
-  magu.s = p - 64;  // resulting shift
-  return magu;
-}
-
-/// BuildSDIVSequence - Given an ISD::SDIV node expressing a divide by constant,
-/// return a DAG expression to select that will generate the same value by
-/// multiplying by a magic number.  See:
-/// <http://the.wall.riscom.net/books/proc/ppc/cwg/code2.html>
-SDOperand AlphaISel::BuildSDIVSequence(SDOperand N) {
-  int64_t d = (int64_t)cast<ConstantSDNode>(N.getOperand(1))->getSignExtended();
-  ms magics = magic(d);
-  // Multiply the numerator (operand 0) by the magic value
-  SDOperand Q = ISelDAG->getNode(ISD::MULHS, MVT::i64, N.getOperand(0),
-                                 ISelDAG->getConstant(magics.m, MVT::i64));
-  // If d > 0 and m < 0, add the numerator
-  if (d > 0 && magics.m < 0)
-    Q = ISelDAG->getNode(ISD::ADD, MVT::i64, Q, N.getOperand(0));
-  // If d < 0 and m > 0, subtract the numerator.
-  if (d < 0 && magics.m > 0)
-    Q = ISelDAG->getNode(ISD::SUB, MVT::i64, Q, N.getOperand(0));
-  // Shift right algebraic if shift value is nonzero
-  if (magics.s > 0)
-    Q = ISelDAG->getNode(ISD::SRA, MVT::i64, Q,
-                         ISelDAG->getConstant(magics.s, MVT::i64));
-  // Extract the sign bit and add it to the quotient
-  SDOperand T =
-    ISelDAG->getNode(ISD::SRL, MVT::i64, Q, ISelDAG->getConstant(63, MVT::i64));
-  return ISelDAG->getNode(ISD::ADD, MVT::i64, Q, T);
-}
-
-/// BuildUDIVSequence - Given an ISD::UDIV node expressing a divide by constant,
-/// return a DAG expression to select that will generate the same value by
-/// multiplying by a magic number.  See:
-/// <http://the.wall.riscom.net/books/proc/ppc/cwg/code2.html>
-SDOperand AlphaISel::BuildUDIVSequence(SDOperand N) {
-  unsigned d =
-    (unsigned)cast<ConstantSDNode>(N.getOperand(1))->getSignExtended();
-  mu magics = magicu(d);
-  // Multiply the numerator (operand 0) by the magic value
-  SDOperand Q = ISelDAG->getNode(ISD::MULHU, MVT::i64, N.getOperand(0),
-                                 ISelDAG->getConstant(magics.m, MVT::i64));
-  if (magics.a == 0) {
-    Q = ISelDAG->getNode(ISD::SRL, MVT::i64, Q,
-                         ISelDAG->getConstant(magics.s, MVT::i64));
-  } else {
-    SDOperand NPQ = ISelDAG->getNode(ISD::SUB, MVT::i64, N.getOperand(0), Q);
-    NPQ = ISelDAG->getNode(ISD::SRL, MVT::i64, NPQ,
-                           ISelDAG->getConstant(1, MVT::i64));
-    NPQ = ISelDAG->getNode(ISD::ADD, MVT::i64, NPQ, Q);
-    Q = ISelDAG->getNode(ISD::SRL, MVT::i64, NPQ,
-                           ISelDAG->getConstant(magics.s-1, MVT::i64));
-  }
-  return Q;
-}
-
 //These describe LDAx
 static const int IMM_LOW  = -32768;
 static const int IMM_HIGH = 32767;
@@ -511,7 +369,7 @@
       //assert(0 && "Setcc On float?\n");
       std::cerr << "Setcc on float!\n";
       Tmp3 = MakeReg(MVT::f64);
-      BuildMI(BB, Alpha::CVTST, 1, Tmp3).addReg(Alpha::F31).addReg(Tmp1);
+      BuildMI(BB, Alpha::CVTST, 1, Tmp3).addReg(Tmp1);
       Tmp1 = Tmp3;
     }
   if (SetCC->getOperand(1).getValueType() == MVT::f32)
@@ -519,7 +377,7 @@
       //assert (0 && "Setcc On float?\n");
       std::cerr << "Setcc on float!\n";
       Tmp3 = MakeReg(MVT::f64);
-      BuildMI(BB, Alpha::CVTST, 1, Tmp3).addReg(Alpha::F31).addReg(Tmp2);
+      BuildMI(BB, Alpha::CVTST, 1, Tmp3).addReg(Tmp2);
       Tmp2 = Tmp3;
     }
 
@@ -652,7 +510,7 @@
   unsigned Tmp1, Tmp2 = 0, Tmp3;
   unsigned Opc = 0;
   unsigned opcode = N.getOpcode();
-  int64_t SImm;
+  int64_t SImm = 0;
   uint64_t UImm;
 
   SDNode *Node = N.Val;
@@ -691,13 +549,23 @@
     Node->dump();
     assert(0 && "Node not handled!\n");
 
+  case ISD::READCYCLECOUNTER:
+    Select(N.getOperand(0)); //Select chain
+    if (Result != notIn)
+      ExprMap[N.getValue(1)] = notIn;   // Generate the token
+    else
+      Result = ExprMap[N.getValue(0)] = MakeReg(N.getValue(0).getValueType());
+
+    BuildMI(BB, Alpha::RPCC, 1, Result).addReg(Alpha::R31);
+    return Result;
+
   case ISD::CTPOP:
   case ISD::CTTZ:
   case ISD::CTLZ:
     Opc = opcode == ISD::CTPOP ? Alpha::CTPOP :
     (opcode == ISD::CTTZ ? Alpha::CTTZ : Alpha::CTLZ);
     Tmp1 = SelectExpr(N.getOperand(0));
-    BuildMI(BB, Opc, 1, Result).addReg(Alpha::R31).addReg(Tmp1);
+    BuildMI(BB, Opc, 1, Result).addReg(Tmp1);
     return Result;
 
   case ISD::MULHU:
@@ -928,8 +796,11 @@
             .addReg(argvregs[i]);
           break;
         case MVT::f32:
+          BuildMI(BB, Alpha::CPYSS, 2, args_float[i]).addReg(argvregs[i])
+            .addReg(argvregs[i]);
+          break;
         case MVT::f64:
-          BuildMI(BB, Alpha::CPYS, 2, args_float[i]).addReg(argvregs[i])
+          BuildMI(BB, Alpha::CPYST, 2, args_float[i]).addReg(argvregs[i])
             .addReg(argvregs[i]);
           break;
         }
@@ -985,8 +856,10 @@
         BuildMI(BB, Alpha::BIS, 2, Result).addReg(Alpha::R0).addReg(Alpha::R0);
         break;
       case MVT::f32:
-      case MVT::f64:
-        BuildMI(BB, Alpha::CPYS, 2, Result).addReg(Alpha::F0).addReg(Alpha::F0);
+        BuildMI(BB, Alpha::CPYSS, 2, Result).addReg(Alpha::F0).addReg(Alpha::F0);
+        break;
+       case MVT::f64:
+        BuildMI(BB, Alpha::CPYST, 2, Result).addReg(Alpha::F0).addReg(Alpha::F0);
         break;
       }
       return Result+N.ResNo;
@@ -1084,10 +957,10 @@
           break;
         }
       case MVT::i16:
-        BuildMI(BB, Alpha::SEXTW, 1, Result).addReg(Alpha::R31).addReg(Tmp1);
+        BuildMI(BB, Alpha::SEXTW, 1, Result).addReg(Tmp1);
         break;
       case MVT::i8:
-        BuildMI(BB, Alpha::SEXTB, 1, Result).addReg(Alpha::R31).addReg(Tmp1);
+        BuildMI(BB, Alpha::SEXTB, 1, Result).addReg(Tmp1);
         break;
       case MVT::i1:
         Tmp2 = MakeReg(MVT::i64);
@@ -1181,10 +1054,17 @@
       Select(Chain);
       unsigned r = cast<RegisterSDNode>(Node->getOperand(1))->getReg();
       //std::cerr << "CopyFromReg " << Result << " = " << r << "\n";
-      if (MVT::isFloatingPoint(N.getValue(0).getValueType()))
-        BuildMI(BB, Alpha::CPYS, 2, Result).addReg(r).addReg(r);
-      else
+      switch(N.getValue(0).getValueType()) {
+      case MVT::f32:
+        BuildMI(BB, Alpha::CPYSS, 2, Result).addReg(r).addReg(r);
+        break;
+      case MVT::f64:
+        BuildMI(BB, Alpha::CPYST, 2, Result).addReg(r).addReg(r);
+        break;
+      default:
         BuildMI(BB, Alpha::BIS, 2, Result).addReg(r).addReg(r);
+        break;
+      }
       return Result;
     }
 
@@ -1390,20 +1270,7 @@
       }
     }
     //Else fall through
-
   case ISD::UDIV:
-    {
-      if (isSIntImmediate(N.getOperand(1), SImm) && (SImm >= 2 || SImm <= -2))
-      {
-        // If this is a divide by constant, we can emit code using some magic
-        // constants to implement it as a multiply instead.
-        ExprMap.erase(N);
-        if (opcode == ISD::SDIV)
-          return SelectExpr(BuildSDIVSequence(N));
-        else
-          return SelectExpr(BuildUDIVSequence(N));
-      }
-    }
     //else fall though
   case ISD::UREM:
   case ISD::SREM: {
@@ -1438,11 +1305,11 @@
       if (SrcType == MVT::f32)
         {
           Tmp2 = MakeReg(MVT::f64);
-          BuildMI(BB, Alpha::CVTST, 1, Tmp2).addReg(Alpha::F31).addReg(Tmp1);
+          BuildMI(BB, Alpha::CVTST, 1, Tmp2).addReg(Tmp1);
           Tmp1 = Tmp2;
         }
       Tmp2 = MakeReg(MVT::f64);
-      BuildMI(BB, Alpha::CVTTQ, 1, Tmp2).addReg(Alpha::F31).addReg(Tmp1);
+      BuildMI(BB, Alpha::CVTTQ, 1, Tmp2).addReg(Tmp1);
       MoveFP2Int(Tmp2, Result, true);
 
       return Result;
@@ -1643,16 +1510,19 @@
     if(ISD::FABS == N.getOperand(0).getOpcode())
       {
         Tmp1 = SelectExpr(N.getOperand(0).getOperand(0));
-        BuildMI(BB, Alpha::CPYSN, 2, Result).addReg(Alpha::F31).addReg(Tmp1);
+        BuildMI(BB, DestType == MVT::f64 ? Alpha::CPYSNT : Alpha::CPYSNS, 
+                2, Result).addReg(Alpha::F31).addReg(Tmp1);
       } else {
         Tmp1 = SelectExpr(N.getOperand(0));
-        BuildMI(BB, Alpha::CPYSN, 2, Result).addReg(Tmp1).addReg(Tmp1);
+        BuildMI(BB, DestType == MVT::f64 ? Alpha::CPYSNT : Alpha::CPYSNS
+                , 2, Result).addReg(Tmp1).addReg(Tmp1);
       }
     return Result;
 
   case ISD::FABS:
     Tmp1 = SelectExpr(N.getOperand(0));
-    BuildMI(BB, Alpha::CPYS, 2, Result).addReg(Alpha::F31).addReg(Tmp1);
+    BuildMI(BB, DestType == MVT::f64 ? Alpha::CPYST : Alpha::CPYSS, 2, Result)
+      .addReg(Alpha::F31).addReg(Tmp1);
     return Result;
 
   case ISD::FP_ROUND:
@@ -1660,7 +1530,7 @@
             N.getOperand(0).getValueType() == MVT::f64 &&
             "only f64 to f32 conversion supported here");
     Tmp1 = SelectExpr(N.getOperand(0));
-    BuildMI(BB, Alpha::CVTTS, 1, Result).addReg(Alpha::F31).addReg(Tmp1);
+    BuildMI(BB, Alpha::CVTTS, 1, Result).addReg(Tmp1);
     return Result;
 
   case ISD::FP_EXTEND:
@@ -1668,16 +1538,18 @@
             N.getOperand(0).getValueType() == MVT::f32 &&
             "only f32 to f64 conversion supported here");
     Tmp1 = SelectExpr(N.getOperand(0));
-    BuildMI(BB, Alpha::CVTST, 1, Result).addReg(Alpha::F31).addReg(Tmp1);
+    BuildMI(BB, Alpha::CVTST, 1, Result).addReg(Tmp1);
     return Result;
 
   case ISD::ConstantFP:
     if (ConstantFPSDNode *CN = dyn_cast<ConstantFPSDNode>(N)) {
       if (CN->isExactlyValue(+0.0)) {
-        BuildMI(BB, Alpha::CPYS, 2, Result).addReg(Alpha::F31)
+        BuildMI(BB, DestType == MVT::f64 ? Alpha::CPYST : Alpha::CPYSS
+                , 2, Result).addReg(Alpha::F31)
           .addReg(Alpha::F31);
       } else if ( CN->isExactlyValue(-0.0)) {
-        BuildMI(BB, Alpha::CPYSN, 2, Result).addReg(Alpha::F31)
+        BuildMI(BB, DestType == MVT::f64 ? Alpha::CPYSNT : Alpha::CPYSNS,
+                2, Result).addReg(Alpha::F31)
           .addReg(Alpha::F31);
       } else {
         abort();
@@ -1693,7 +1565,7 @@
       Tmp2 = MakeReg(MVT::f64);
       MoveInt2FP(Tmp1, Tmp2, true);
       Opc = DestType == MVT::f64 ? Alpha::CVTQT : Alpha::CVTQS;
-      BuildMI(BB, Opc, 1, Result).addReg(Alpha::F31).addReg(Tmp2);
+      BuildMI(BB, Opc, 1, Result).addReg(Tmp2);
       return Result;
     }
 
@@ -1760,11 +1632,17 @@
     Tmp2 = cast<RegisterSDNode>(N.getOperand(1))->getReg();
 
     if (Tmp1 != Tmp2) {
-      if (N.getOperand(2).getValueType() == MVT::f64 ||
-          N.getOperand(2).getValueType() == MVT::f32)
-        BuildMI(BB, Alpha::CPYS, 2, Tmp2).addReg(Tmp1).addReg(Tmp1);
-      else
+      switch(N.getOperand(2).getValueType()) {
+      case MVT::f64:
+        BuildMI(BB, Alpha::CPYST, 2, Tmp2).addReg(Tmp1).addReg(Tmp1);
+        break;
+      case MVT::f32:
+        BuildMI(BB, Alpha::CPYSS, 2, Tmp2).addReg(Tmp1).addReg(Tmp1);
+        break;
+      default:
         BuildMI(BB, Alpha::BIS, 2, Tmp2).addReg(Tmp1).addReg(Tmp1);
+        break;
+      }
     }
     return;
 
@@ -1784,8 +1662,10 @@
       default: Node->dump();
         assert(0 && "All other types should have been promoted!!");
       case MVT::f64:
+        BuildMI(BB, Alpha::CPYST, 2, Alpha::F0).addReg(Tmp1).addReg(Tmp1);
+        break;
       case MVT::f32:
-        BuildMI(BB, Alpha::CPYS, 2, Alpha::F0).addReg(Tmp1).addReg(Tmp1);
+        BuildMI(BB, Alpha::CPYSS, 2, Alpha::F0).addReg(Tmp1).addReg(Tmp1);
         break;
       case MVT::i32:
       case MVT::i64:
@@ -1869,6 +1749,7 @@
   case ISD::CopyFromReg:
   case ISD::TAILCALL:
   case ISD::CALL:
+  case ISD::READCYCLECOUNTER:
   case ISD::DYNAMIC_STACKALLOC:
     ExprMap.erase(N);
     SelectExpr(N);


Index: llvm/lib/Target/Alpha/AlphaInstrFormats.td
diff -u llvm/lib/Target/Alpha/AlphaInstrFormats.td:1.6 llvm/lib/Target/Alpha/AlphaInstrFormats.td:1.6.2.1
--- llvm/lib/Target/Alpha/AlphaInstrFormats.td:1.6	Thu Jul 28 13:14:47 2005
+++ llvm/lib/Target/Alpha/AlphaInstrFormats.td	Wed Nov 16 12:32:33 2005
@@ -17,26 +17,28 @@
 //Floating-point
 //PALcode
 
-def u8imm   : Operand<i8>;
-def s14imm  : Operand<i16>;
-def s16imm  : Operand<i16>;
-def s21imm  : Operand<i32>;
+def u8imm   : Operand<i64>;
+def s14imm  : Operand<i64>;
+def s16imm  : Operand<i64>;
+def s21imm  : Operand<i64>;
 def s64imm  : Operand<i64>;
 
 //===----------------------------------------------------------------------===//
 // Instruction format superclass
 //===----------------------------------------------------------------------===//
-
-class InstAlpha<bits<6> op, dag OL, string asmstr> : Instruction {          // Alpha instruction baseline
+// Alpha instruction baseline
+class InstAlphaAlt<bits<6> op, string asmstr> : Instruction {
   field bits<32> Inst;
   let Namespace = "Alpha";
-  let OperandList = OL;
   let AsmString = asmstr;
-
- 
   let Inst{31-26} = op;
 }
 
+class InstAlpha<bits<6> op, dag OL, string asmstr> 
+: InstAlphaAlt<op, asmstr> { // Alpha instruction baseline
+  let OperandList = OL;
+}
+
 //3.3.1
 class MForm<bits<6> opcode, string asmstr> 
         : InstAlpha<opcode, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), asmstr> {
@@ -48,6 +50,15 @@
   let Inst{20-16} = Rb;
   let Inst{15-0} = disp;
 }
+class MfcForm<bits<6> opcode, bits<16> fc, string asmstr> 
+        : InstAlpha<opcode, (ops GPRC:$RA, GPRC:$RB), asmstr> {
+  bits<5> Ra;
+  bits<5> Rb;
+
+  let Inst{25-21} = Ra;
+  let Inst{20-16} = Rb;
+  let Inst{15-0} = fc;
+}
 
 class MgForm<bits<6> opcode, string asmstr> 
         : InstAlpha<opcode, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB, s16imm:$NUM), asmstr> {
@@ -81,10 +92,18 @@
   let Inst{25-21} = Ra;
   let Inst{20-0} = disp;
 }
+class BFormD<bits<6> opcode, string asmstr> 
+    : InstAlpha<opcode, (ops s21imm:$DISP), asmstr> {
+  bits<5> Ra = 31;
+  bits<21> disp;
+
+  let Inst{25-21} = Ra;
+  let Inst{20-0} = disp;
+}
 
 let isBranch = 1, isTerminator = 1 in
 class FBForm<bits<6> opcode, string asmstr> 
-    : InstAlpha<opcode, (ops FPRC:$RA, s21imm:$DISP), asmstr> {
+    : InstAlpha<opcode, (ops F8RC:$RA, s21imm:$DISP), asmstr> {
   bits<5> Ra;
   bits<21> disp;
 
@@ -93,8 +112,10 @@
 }
 
 //3.3.3
-class OForm<bits<6> opcode, bits<7> fun, string asmstr> 
+class OForm<bits<6> opcode, bits<7> fun, string asmstr, list<dag> pattern> 
         : InstAlpha<opcode, (ops GPRC:$RC, GPRC:$RA, GPRC:$RB), asmstr> {
+  let Pattern = pattern;
+
   bits<5> Rc;
   bits<5> Ra;
   bits<5> Rb;
@@ -108,13 +129,30 @@
   let Inst{4-0} = Rc;
 }
 
-class OcmForm<bits<6> opcode, bits<7> fun, dag OL, string asmstr> 
-        : InstAlpha<opcode, OL, asmstr> {
-  bits<5> Ra;
+class OForm2<bits<6> opcode, bits<7> fun, string asmstr, list<dag> pattern> 
+        : InstAlpha<opcode, (ops GPRC:$RC, GPRC:$RB), asmstr> {
+  let Pattern = pattern;
+
+  bits<5> Rc;
   bits<5> Rb;
   bits<7> Function = fun;
+
+  let Inst{25-21} = 31;
+  let Inst{20-16} = Rb;
+  let Inst{15-13} = 0;
+  let Inst{12} = 0;
+  let Inst{11-5} = Function;
+  let Inst{4-0} = Rc;
+}
+
+class OForm4<bits<6> opcode, bits<7> fun, string asmstr> 
+        : InstAlpha<opcode, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND), asmstr> {
   bits<5> Rc;
+  bits<5> Rb;
+  bits<5> Ra;
+  bits<7> Function = fun;
 
+  let isTwoAddress = 1;
   let Inst{25-21} = Ra;
   let Inst{20-16} = Rb;
   let Inst{15-13} = 0;
@@ -124,8 +162,10 @@
 }
 
 
-class OFormL<bits<6> opcode, bits<7> fun, string asmstr> 
+class OFormL<bits<6> opcode, bits<7> fun, string asmstr, list<dag> pattern> 
         : InstAlpha<opcode, (ops GPRC:$RC, GPRC:$RA, u8imm:$L), asmstr> {
+  let Pattern = pattern;
+
   bits<5> Rc;
   bits<5> Ra;
   bits<8> LIT;
@@ -138,13 +178,14 @@
   let Inst{4-0} = Rc;
 }
 
-class OcmFormL<bits<6> opcode, bits<7> fun, dag OL, string asmstr> 
-        : InstAlpha<opcode, OL, asmstr> {
-  bits<5> Ra;
+class OForm4L<bits<6> opcode, bits<7> fun, string asmstr> 
+        : InstAlpha<opcode, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND), asmstr> {
+  bits<5> Rc;
   bits<8> LIT;
+  bits<5> Ra;
   bits<7> Function = fun;
-  bits<5> Rc;
 
+  let isTwoAddress = 1;
   let Inst{25-21} = Ra;
   let Inst{20-13} = LIT;
   let Inst{12} = 1;
@@ -153,21 +194,10 @@
 }
 
 //3.3.4
-class FPForm<bits<6> opcode, bits<11> fun, string asmstr> 
-        : InstAlpha<opcode, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), asmstr> {
-  bits<5> Fc;
-  bits<5> Fa;
-  bits<5> Fb;
-  bits<11> Function = fun;
-
-  let Inst{25-21} = Fa;
-  let Inst{20-16} = Fb;
-  let Inst{15-5} = Function;
-  let Inst{4-0} = Fc;
-}
+class FPForm<bits<6> opcode, bits<11> fun, string asmstr, list<dag> pattern> 
+        : InstAlphaAlt<opcode, asmstr> {
+  let Pattern = pattern;
 
-class FPFormCM<bits<6> opcode, bits<11> fun, dag OL, string asmstr> 
-        : InstAlpha<opcode, OL, asmstr> {
   bits<5> Fc;
   bits<5> Fa;
   bits<5> Fb;


Index: llvm/lib/Target/Alpha/AlphaInstrInfo.cpp
diff -u llvm/lib/Target/Alpha/AlphaInstrInfo.cpp:1.5 llvm/lib/Target/Alpha/AlphaInstrInfo.cpp:1.5.4.1
--- llvm/lib/Target/Alpha/AlphaInstrInfo.cpp:1.5	Thu Apr 21 18:10:23 2005
+++ llvm/lib/Target/Alpha/AlphaInstrInfo.cpp	Wed Nov 16 12:32:33 2005
@@ -26,7 +26,9 @@
                                  unsigned& sourceReg,
                                  unsigned& destReg) const {
   MachineOpCode oc = MI.getOpcode();
-  if (oc == Alpha::BIS || oc == Alpha::CPYS) {  // or r1, r2, r2 // cpys r1 r2 r2
+  if (oc == Alpha::BIS || oc == Alpha::CPYSS || oc == Alpha::CPYST) {
+    // or r1, r2, r2 
+    // cpys(s|t) r1 r2 r2
     assert(MI.getNumOperands() == 3 &&
            MI.getOperand(0).isRegister() &&
            MI.getOperand(1).isRegister() &&


Index: llvm/lib/Target/Alpha/AlphaInstrInfo.td
diff -u llvm/lib/Target/Alpha/AlphaInstrInfo.td:1.59 llvm/lib/Target/Alpha/AlphaInstrInfo.td:1.59.2.1
--- llvm/lib/Target/Alpha/AlphaInstrInfo.td:1.59	Thu Oct  6 11:53:32 2005
+++ llvm/lib/Target/Alpha/AlphaInstrInfo.td	Wed Nov 16 12:32:33 2005
@@ -12,6 +12,62 @@
 
 include "AlphaInstrFormats.td"
 
+//********************
+//Paterns for matching
+//********************
+
+def immUExt8  : PatLeaf<(imm), [{
+  // immUExt8 predicate - True if the immediate fits in a 8-bit zero extended
+  // field.  Used by instructions like 'addi'.
+  return (unsigned long)N->getValue() == (unsigned char)N->getValue();
+}]>;
+def immSExt16  : PatLeaf<(imm), [{
+  // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
+  // field.  Used by instructions like 'lda'.
+  return (int)N->getValue() == (short)N->getValue();
+}]>;
+
+def iZAPX : SDNodeXForm<imm, [{
+  // Transformation function: get the imm to ZAPi
+  uint64_t UImm = (uint64_t)N->getValue();
+  unsigned int build = 0;
+  for(int i = 0; i < 8; ++i)
+  {
+    if ((UImm & 0x00FF) == 0x00FF)
+      build |= 1 << i;
+    else if ((UImm & 0x00FF) != 0)
+    { build = 0; break; }
+    UImm >>= 8;
+  }
+  return getI64Imm(build);
+}]>;
+def immZAP  : PatLeaf<(imm), [{
+  // immZAP predicate - True if the immediate fits is suitable for use in a
+  // ZAP instruction
+  uint64_t UImm = (uint64_t)N->getValue();
+  unsigned int build = 0;
+  for(int i = 0; i < 8; ++i)
+  {
+    if ((UImm & 0x00FF) == 0x00FF)
+      build |= 1 << i;
+    else if ((UImm & 0x00FF) != 0)
+    { build = 0; break; }
+    UImm >>= 8;
+  }
+  return build != 0;
+}], iZAPX>;
+
+
+def intop : PatFrag<(ops node:$op), (sext_inreg node:$op, i32)>;
+def add4  : PatFrag<(ops node:$op1, node:$op2),
+                    (add (shl node:$op1, 2), node:$op2)>;
+def sub4  : PatFrag<(ops node:$op1, node:$op2),
+                    (sub (shl node:$op1, 2), node:$op2)>;
+def add8  : PatFrag<(ops node:$op1, node:$op2),
+                    (add (shl node:$op1, 3), node:$op2)>;
+def sub8  : PatFrag<(ops node:$op1, node:$op2),
+                    (sub (shl node:$op1, 3), node:$op2)>;
+
   // //#define FP    $15
   // //#define RA    $26
   // //#define PV    $27
@@ -40,19 +96,19 @@
 //really the ISel should emit multiple MBB
 let isTwoAddress = 1 in {
 //Conditional move of an int based on a FP CC
-  def CMOVEQ_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, FPRC:$RCOND),
+  def CMOVEQ_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, F8RC:$RCOND),
                                   "fbne $RCOND, 42f\n\tbis $RSRC_T,$RSRC_T,$RDEST\n42:\n">;
-  def CMOVEQi_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, u8imm:$L, FPRC:$RCOND),
+  def CMOVEQi_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, u8imm:$L, F8RC:$RCOND),
                                   "fbne $RCOND, 42f\n\taddq $$31,$L,$RDEST\n42:\n">;
 
-  def CMOVNE_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, FPRC:$RCOND),
+  def CMOVNE_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, F8RC:$RCOND),
                                   "fbeq $RCOND, 42f\n\tbis $RSRC_T,$RSRC_T,$RDEST\n42:\n">;
-  def CMOVNEi_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, u8imm:$L, FPRC:$RCOND),
+  def CMOVNEi_FP : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, u8imm:$L, F8RC:$RCOND),
                                   "fbeq $RCOND, 42f\n\taddq $$31,$L,$RDEST\n42:\n">;
 //Conditional move of an FP based on a Int CC
-  def FCMOVEQ_INT : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, FPRC:$RCOND),
+  def FCMOVEQ_INT : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, F8RC:$RCOND),
                                   "bne $RCOND, 42f\n\tcpys $RSRC_T,$RSRC_T,$RDEST\n42:\n">;
-  def FCMOVNE_INT : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, FPRC:$RCOND),
+  def FCMOVNE_INT : PseudoInstAlpha<(ops GPRC:$RDEST, GPRC:$RSRC_F, GPRC:$RSRC_T, F8RC:$RCOND),
                                   "beq $RCOND, 42f\n\tcpys $RSRC_T,$RSRC_T,$RDEST\n42:\n">;
 }
 
@@ -62,200 +118,250 @@
 
 //Operation Form:
 
-let isTwoAddress = 1 in {
 //conditional moves, int
- def CMOVEQ   : OcmForm<  0x11, 0x24, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmoveq $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND =  zero
- def CMOVEQi  : OcmFormL< 0x11, 0x24, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmoveq $RCOND,$L,$RDEST">; //CMOVE if RCOND =  zero
- def CMOVGE   : OcmForm<  0x11, 0x46, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmovge $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND >= zero
- def CMOVGEi  : OcmFormL< 0x11, 0x46, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmovge $RCOND,$L,$RDEST">; //CMOVE if RCOND >= zero
- def CMOVGT   : OcmForm<  0x11, 0x66, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmovgt $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND > zero
- def CMOVGTi  : OcmFormL< 0x11, 0x66, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmovgt $RCOND,$L,$RDEST">; //CMOVE if RCOND > zero
- def CMOVLBC  : OcmForm<  0x11, 0x16, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmovlbc $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND low bit clear
- def CMOVLBCi : OcmFormL< 0x11, 0x16, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmovlbc $RCOND,$L,$RDEST">; //CMOVE if RCOND low bit clear
- def CMOVLBS  : OcmForm<  0x11, 0x14, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmovlbs $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND low bit set
- def CMOVLBSi : OcmFormL< 0x11, 0x14, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmovlbs $RCOND,$L,$RDEST">; //CMOVE if RCOND low bit set
- def CMOVLE   : OcmForm<  0x11, 0x64, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmovle $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND <= zero
- def CMOVLEi  : OcmFormL< 0x11, 0x64, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmovle $RCOND,$L,$RDEST">; //CMOVE if RCOND <= zero
- def CMOVLT   : OcmForm<  0x11, 0x44, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmovlt $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND < zero
- def CMOVLTi  : OcmFormL< 0x11, 0x44, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmovlt $RCOND,$L,$RDEST">; //CMOVE if RCOND < zero
- def CMOVNE   : OcmForm<  0x11, 0x26, (ops GPRC:$RDEST, GPRC:$RSRC2, GPRC:$RSRC, GPRC:$RCOND),
-        "cmovne $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND != zero
- def CMOVNEi  : OcmFormL< 0x11, 0x26, (ops GPRC:$RDEST, GPRC:$RSRC2, u8imm:$L, GPRC:$RCOND),
-        "cmovne $RCOND,$L,$RDEST">; //CMOVE if RCOND != zero
+def CMOVEQ   : OForm4<  0x11, 0x24, "cmoveq $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND =  zero
+def CMOVEQi  : OForm4L< 0x11, 0x24, "cmoveq $RCOND,$L,$RDEST">; //CMOVE if RCOND =  zero
+def CMOVGE   : OForm4<  0x11, 0x46, "cmovge $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND >= zero
+def CMOVGEi  : OForm4L< 0x11, 0x46, "cmovge $RCOND,$L,$RDEST">; //CMOVE if RCOND >= zero
+def CMOVGT   : OForm4<  0x11, 0x66, "cmovgt $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND > zero
+def CMOVGTi  : OForm4L< 0x11, 0x66, "cmovgt $RCOND,$L,$RDEST">; //CMOVE if RCOND > zero
+def CMOVLBC  : OForm4<  0x11, 0x16, "cmovlbc $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND low bit clear
+def CMOVLBCi : OForm4L< 0x11, 0x16, "cmovlbc $RCOND,$L,$RDEST">; //CMOVE if RCOND low bit clear
+def CMOVLBS  : OForm4<  0x11, 0x14, "cmovlbs $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND low bit set
+def CMOVLBSi : OForm4L< 0x11, 0x14, "cmovlbs $RCOND,$L,$RDEST">; //CMOVE if RCOND low bit set
+def CMOVLE   : OForm4<  0x11, 0x64, "cmovle $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND <= zero
+def CMOVLEi  : OForm4L< 0x11, 0x64, "cmovle $RCOND,$L,$RDEST">; //CMOVE if RCOND <= zero
+def CMOVLT   : OForm4<  0x11, 0x44, "cmovlt $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND < zero
+def CMOVLTi  : OForm4L< 0x11, 0x44, "cmovlt $RCOND,$L,$RDEST">; //CMOVE if RCOND < zero
+def CMOVNE   : OForm4<  0x11, 0x26, "cmovne $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND != zero
+def CMOVNEi  : OForm4L< 0x11, 0x26, "cmovne $RCOND,$L,$RDEST">; //CMOVE if RCOND != zero
 
 //conditional moves, fp
- def FCMOVEQ : FPFormCM<0x17, 0x02A, (ops FPRC:$RDEST, FPRC:$RSRC2, FPRC:$RSRC, FPRC:$RCOND),
-        "fcmoveq $RCOND,$RSRC,$RDEST">; //FCMOVE if = zero
- def FCMOVGE : FPFormCM<0x17, 0x02D, (ops FPRC:$RDEST, FPRC:$RSRC2, FPRC:$RSRC, FPRC:$RCOND),
-        "fcmovge $RCOND,$RSRC,$RDEST">; //FCMOVE if >= zero
- def FCMOVGT : FPFormCM<0x17, 0x02F, (ops FPRC:$RDEST, FPRC:$RSRC2, FPRC:$RSRC, FPRC:$RCOND),
-        "fcmovgt $RCOND,$RSRC,$RDEST">; //FCMOVE if > zero
- def FCMOVLE : FPFormCM<0x17, 0x02E, (ops FPRC:$RDEST, FPRC:$RSRC2, FPRC:$RSRC, FPRC:$RCOND),
-        "fcmovle $RCOND,$RSRC,$RDEST">; //FCMOVE if <= zero
- def FCMOVLT : FPFormCM<0x17, 0x02, (ops FPRC:$RDEST, FPRC:$RSRC2, FPRC:$RSRC, FPRC:$RCOND),
-        "fcmovlt $RCOND,$RSRC,$RDEST">; // FCMOVE if < zero
- def FCMOVNE : FPFormCM<0x17, 0x02B, (ops FPRC:$RDEST, FPRC:$RSRC2, FPRC:$RSRC, FPRC:$RCOND),
-        "fcmovne $RCOND,$RSRC,$RDEST">; //FCMOVE if != zero
+let OperandList = (ops F8RC:$RDEST, F8RC:$RSRC2, F8RC:$RSRC, F8RC:$RCOND),
+    isTwoAddress = 1 in {
+def FCMOVEQ : FPForm<0x17, 0x02A, "fcmoveq $RCOND,$RSRC,$RDEST",[]>; //FCMOVE if = zero
+def FCMOVGE : FPForm<0x17, 0x02D, "fcmovge $RCOND,$RSRC,$RDEST",[]>; //FCMOVE if >= zero
+def FCMOVGT : FPForm<0x17, 0x02F, "fcmovgt $RCOND,$RSRC,$RDEST",[]>; //FCMOVE if > zero
+def FCMOVLE : FPForm<0x17, 0x02E, "fcmovle $RCOND,$RSRC,$RDEST",[]>; //FCMOVE if <= zero
+def FCMOVLT : FPForm<0x17, 0x02C, "fcmovlt $RCOND,$RSRC,$RDEST",[]>; // FCMOVE if < zero
+def FCMOVNE : FPForm<0x17, 0x02B, "fcmovne $RCOND,$RSRC,$RDEST",[]>; //FCMOVE if != zero
 }
 
-def ADDL     : OForm< 0x10, 0x00, "addl $RA,$RB,$RC">; //Add longword
-def ADDLi    : OFormL<0x10, 0x00, "addl $RA,$L,$RC">; //Add longword
-def ADDQ     : OForm< 0x10, 0x20, "addq $RA,$RB,$RC">; //Add quadword
-def ADDQi    : OFormL<0x10, 0x20, "addq $RA,$L,$RC">; //Add quadword
-def AMASK    : OForm< 0x11, 0x61, "AMASK $RA,$RB,$RC">; //Architecture mask
-def AMASKi   : OFormL<0x11, 0x61, "AMASK $RA,$L,$RC">; //Architecture mask
-def AND      : OForm< 0x11, 0x00, "and $RA,$RB,$RC">; //Logical product
-def ANDi     : OFormL<0x11, 0x00, "and $RA,$L,$RC">; //Logical product
-def BIC      : OForm< 0x11, 0x08, "bic $RA,$RB,$RC">; //Bit clear
-def BICi     : OFormL<0x11, 0x08, "bic $RA,$L,$RC">; //Bit clear
-def BIS      : OForm< 0x11, 0x20, "bis $RA,$RB,$RC">; //Logical sum
-def BISi     : OFormL<0x11, 0x20, "bis $RA,$L,$RC">; //Logical sum
-def CTLZ     : OForm< 0x1C, 0x32, "CTLZ $RB,$RC">; //Count leading zero
-def CTPOP    : OForm< 0x1C, 0x30, "CTPOP $RB,$RC">; //Count population
-def CTTZ     : OForm< 0x1C, 0x33, "CTTZ $RB,$RC">; //Count trailing zero
-def EQV      : OForm< 0x11, 0x48, "eqv $RA,$RB,$RC">; //Logical equivalence
-def EQVi     : OFormL<0x11, 0x48, "eqv $RA,$L,$RC">; //Logical equivalence
-def EXTBL    : OForm< 0x12, 0x06, "EXTBL $RA,$RB,$RC">; //Extract byte low
-def EXTBLi   : OFormL<0x12, 0x06, "EXTBL $RA,$L,$RC">; //Extract byte low
-def EXTLH    : OForm< 0x12, 0x6A, "EXTLH $RA,$RB,$RC">; //Extract longword high
-def EXTLHi   : OFormL<0x12, 0x6A, "EXTLH $RA,$L,$RC">; //Extract longword high
-def EXTLL    : OForm< 0x12, 0x26, "EXTLL $RA,$RB,$RC">; //Extract longword low
-def EXTLLi   : OFormL<0x12, 0x26, "EXTLL $RA,$L,$RC">; //Extract longword low
-def EXTQH    : OForm< 0x12, 0x7A, "EXTQH $RA,$RB,$RC">; //Extract quadword high
-def EXTQHi   : OFormL<0x12, 0x7A, "EXTQH $RA,$L,$RC">; //Extract quadword high
-def EXTQ     : OForm< 0x12, 0x36, "EXTQ $RA,$RB,$RC">; //Extract quadword low
-def EXTQi    : OFormL<0x12, 0x36, "EXTQ $RA,$L,$RC">; //Extract quadword low
-def EXTWH    : OForm< 0x12, 0x5A, "EXTWH $RA,$RB,$RC">; //Extract word high
-def EXTWHi   : OFormL<0x12, 0x5A, "EXTWH $RA,$L,$RC">; //Extract word high
-def EXTWL    : OForm< 0x12, 0x16, "EXTWL $RA,$RB,$RC">; //Extract word low
-def EXTWLi   : OFormL<0x12, 0x16, "EXTWL $RA,$L,$RC">; //Extract word low
-def IMPLVER  : OForm< 0x11, 0x6C, "IMPLVER $RA,$RB,$RC">; //Implementation version
-def IMPLVERi : OFormL<0x11, 0x6C, "IMPLVER $RA,$L,$RC">; //Implementation version
-def INSBL    : OForm< 0x12, 0x0B, "INSBL $RA,$RB,$RC">; //Insert byte low
-def INSBLi   : OFormL<0x12, 0x0B, "INSBL $RA,$L,$RC">; //Insert byte low
-def INSLH    : OForm< 0x12, 0x67, "INSLH $RA,$RB,$RC">; //Insert longword high
-def INSLHi   : OFormL<0x12, 0x67, "INSLH $RA,$L,$RC">; //Insert longword high
-def INSLL    : OForm< 0x12, 0x2B, "INSLL $RA,$RB,$RC">; //Insert longword low
-def INSLLi   : OFormL<0x12, 0x2B, "INSLL $RA,$L,$RC">; //Insert longword low
-def INSQH    : OForm< 0x12, 0x77, "INSQH $RA,$RB,$RC">; //Insert quadword high
-def INSQHi   : OFormL<0x12, 0x77, "INSQH $RA,$L,$RC">; //Insert quadword high
-def INSQL    : OForm< 0x12, 0x3B, "INSQL $RA,$RB,$RC">; //Insert quadword low
-def INSQLi   : OFormL<0x12, 0x3B, "INSQL $RA,$L,$RC">; //Insert quadword low
-def INSWH    : OForm< 0x12, 0x57, "INSWH $RA,$RB,$RC">; //Insert word high
-def INSWHi   : OFormL<0x12, 0x57, "INSWH $RA,$L,$RC">; //Insert word high
-def INSWL    : OForm< 0x12, 0x1B, "INSWL $RA,$RB,$RC">; //Insert word low
-def INSWLi   : OFormL<0x12, 0x1B, "INSWL $RA,$L,$RC">; //Insert word low
-def MSKBL    : OForm< 0x12, 0x02, "MSKBL $RA,$RB,$RC">; //Mask byte low
-def MSKBLi   : OFormL<0x12, 0x02, "MSKBL $RA,$L,$RC">; //Mask byte low
-def MSKLH    : OForm< 0x12, 0x62, "MSKLH $RA,$RB,$RC">; //Mask longword high
-def MSKLHi   : OFormL<0x12, 0x62, "MSKLH $RA,$L,$RC">; //Mask longword high
-def MSKLL    : OForm< 0x12, 0x22, "MSKLL $RA,$RB,$RC">; //Mask longword low
-def MSKLLi   : OFormL<0x12, 0x22, "MSKLL $RA,$L,$RC">; //Mask longword low
-def MSKQH    : OForm< 0x12, 0x72, "MSKQH $RA,$RB,$RC">; //Mask quadword high
-def MSKQHi   : OFormL<0x12, 0x72, "MSKQH $RA,$L,$RC">; //Mask quadword high
-def MSKQL    : OForm< 0x12, 0x32, "MSKQL $RA,$RB,$RC">; //Mask quadword low
-def MSKQLi   : OFormL<0x12, 0x32, "MSKQL $RA,$L,$RC">; //Mask quadword low
-def MSKWH    : OForm< 0x12, 0x52, "MSKWH $RA,$RB,$RC">; //Mask word high
-def MSKWHi   : OFormL<0x12, 0x52, "MSKWH $RA,$L,$RC">; //Mask word high
-def MSKWL    : OForm< 0x12, 0x12, "MSKWL $RA,$RB,$RC">; //Mask word low
-def MSKWLi   : OFormL<0x12, 0x12, "MSKWL $RA,$L,$RC">; //Mask word low
-def MULL     : OForm< 0x13, 0x00, "mull $RA,$RB,$RC">; //Multiply longword
-def MULLi    : OFormL<0x13, 0x00, "mull $RA,$L,$RC">; //Multiply longword
-def MULQ     : OForm< 0x13, 0x20, "mulq $RA,$RB,$RC">; //Multiply quadword
-def MULQi    : OFormL<0x13, 0x20, "mulq $RA,$L,$RC">; //Multiply quadword
-def ORNOT    : OForm< 0x11, 0x28, "ornot $RA,$RB,$RC">; //Logical sum with complement
-def ORNOTi   : OFormL<0x11, 0x28, "ornot $RA,$L,$RC">; //Logical sum with complement
-def S4ADDL   : OForm< 0x10, 0x02, "s4addl $RA,$RB,$RC">; //Scaled add longword by 4
-def S4ADDLi  : OFormL<0x10, 0x02, "s4addl $RA,$L,$RC">; //Scaled add longword by 4
-def S4ADDQ   : OForm< 0x10, 0x22, "s4addq $RA,$RB,$RC">; //Scaled add quadword by 4
-def S4ADDQi  : OFormL<0x10, 0x22, "s4addq $RA,$L,$RC">; //Scaled add quadword by 4
-def S4SUBL   : OForm< 0x10, 0x0B, "s4subl $RA,$RB,$RC">; //Scaled subtract longword by 4
-def S4SUBLi  : OFormL<0x10, 0x0B, "s4subl $RA,$L,$RC">; //Scaled subtract longword by 4
-def S4SUBQ   : OForm< 0x10, 0x2B, "s4subq $RA,$RB,$RC">; //Scaled subtract quadword by 4
-def S4SUBQi  : OFormL<0x10, 0x2B, "s4subq $RA,$L,$RC">; //Scaled subtract quadword by 4
-def S8ADDL   : OForm< 0x10, 0x12, "s8addl $RA,$RB,$RC">; //Scaled add longword by 8
-def S8ADDLi  : OFormL<0x10, 0x12, "s8addl $RA,$L,$RC">; //Scaled add longword by 8
-def S8ADDQ   : OForm< 0x10, 0x32, "s8addq $RA,$RB,$RC">; //Scaled add quadword by 8
-def S8ADDQi  : OFormL<0x10, 0x32, "s8addq $RA,$L,$RC">; //Scaled add quadword by 8
-def S8SUBL   : OForm< 0x10, 0x1B, "s8subl $RA,$RB,$RC">; //Scaled subtract longword by 8
-def S8SUBLi  : OFormL<0x10, 0x1B, "s8subl $RA,$L,$RC">; //Scaled subtract longword by 8
-def S8SUBQ   : OForm< 0x10, 0x3B, "s8subq $RA,$RB,$RC">; //Scaled subtract quadword by 8
-def S8SUBQi  : OFormL<0x10, 0x3B, "s8subq $RA,$L,$RC">; //Scaled subtract quadword by 8
-def SEXTB    : OForm< 0x1C, 0x00, "sextb $RB,$RC">; //Sign extend byte
-def SEXTW    : OForm< 0x1C, 0x01, "sextw $RB,$RC">; //Sign extend word
-def SL       : OForm< 0x12, 0x39, "sll $RA,$RB,$RC">; //Shift left logical
-def SLi      : OFormL<0x12, 0x39, "sll $RA,$L,$RC">; //Shift left logical
-def SRA      : OForm< 0x12, 0x3C, "sra $RA,$RB,$RC">; //Shift right arithmetic
-def SRAi     : OFormL<0x12, 0x3C, "sra $RA,$L,$RC">; //Shift right arithmetic
-def SRL      : OForm< 0x12, 0x34, "srl $RA,$RB,$RC">; //Shift right logical
-
-def SRLi     : OFormL<0x12, 0x34, "srl $RA,$L,$RC">; //Shift right logical
-def SUBL     : OForm< 0x10, 0x09, "subl $RA,$RB,$RC">; //Subtract longword
-def SUBLi    : OFormL<0x10, 0x09, "subl $RA,$L,$RC">; //Subtract longword
-def SUBQ     : OForm< 0x10, 0x29, "subq $RA,$RB,$RC">; //Subtract quadword
-def SUBQi    : OFormL<0x10, 0x29, "subq $RA,$L,$RC">; //Subtract quadword
-def UMULH    : OForm< 0x13, 0x30, "umulh $RA,$RB,$RC">; //Unsigned multiply quadword high
-def UMULHi   : OFormL<0x13, 0x30, "umulh $RA,$L,$RC">; //Unsigned multiply quadword high
-def XOR      : OForm< 0x11, 0x40, "xor $RA,$RB,$RC">; //Logical difference
-def XORi     : OFormL<0x11, 0x40, "xor $RA,$L,$RC">; //Logical difference
-def ZAP      : OForm< 0x12, 0x30, "zap $RA,$RB,$RC">; //Zero bytes
-def ZAPi     : OFormL<0x12, 0x30, "zap $RA,$L,$RC">; //Zero bytes
-def ZAPNOT   : OForm< 0x12, 0x31, "zapnot $RA,$RB,$RC">; //Zero bytes not
-def ZAPNOTi  : OFormL<0x12, 0x31, "zapnot $RA,$L,$RC">; //Zero bytes not
+def ADDL     : OForm< 0x10, 0x00, "addl $RA,$RB,$RC",
+                      [(set GPRC:$RC, (intop (add GPRC:$RA, GPRC:$RB)))]>;
+def ADDLi    : OFormL<0x10, 0x00, "addl $RA,$L,$RC",
+                      [(set GPRC:$RC, (intop (add GPRC:$RA, immUExt8:$L)))]>;
+def ADDQ     : OForm< 0x10, 0x20, "addq $RA,$RB,$RC",
+                      [(set GPRC:$RC, (add GPRC:$RA, GPRC:$RB))]>;
+def ADDQi    : OFormL<0x10, 0x20, "addq $RA,$L,$RC",
+                      [(set GPRC:$RC, (add GPRC:$RA, immUExt8:$L))]>;
+def AND      : OForm< 0x11, 0x00, "and $RA,$RB,$RC",
+                      [(set GPRC:$RC, (and GPRC:$RA, GPRC:$RB))]>;
+def ANDi     : OFormL<0x11, 0x00, "and $RA,$L,$RC",
+                      [(set GPRC:$RC, (and GPRC:$RA, immUExt8:$L))]>;
+def BIC      : OForm< 0x11, 0x08, "bic $RA,$RB,$RC",
+                      [(set GPRC:$RC, (and GPRC:$RA, (not GPRC:$RB)))]>;
+def BICi     : OFormL<0x11, 0x08, "bic $RA,$L,$RC", []>;
+//                      [(set GPRC:$RC, (and GPRC:$RA, (not immUExt8:$L)))]>; //FIXME?
+def BIS      : OForm< 0x11, 0x20, "bis $RA,$RB,$RC",
+                      [(set GPRC:$RC, (or GPRC:$RA, GPRC:$RB))]>;
+def BISi     : OFormL<0x11, 0x20, "bis $RA,$L,$RC",
+                      [(set GPRC:$RC, (or GPRC:$RA, immUExt8:$L))]>;
+def CTLZ     : OForm2<0x1C, 0x32, "CTLZ $RB,$RC", 
+                      [(set GPRC:$RC, (ctlz GPRC:$RB))]>;
+def CTPOP    : OForm2<0x1C, 0x30, "CTPOP $RB,$RC", 
+                      [(set GPRC:$RC, (ctpop GPRC:$RB))]>;
+def CTTZ     : OForm2<0x1C, 0x33, "CTTZ $RB,$RC", 
+                      [(set GPRC:$RC, (cttz GPRC:$RB))]>;
+def EQV      : OForm< 0x11, 0x48, "eqv $RA,$RB,$RC",
+                      [(set GPRC:$RC, (xor GPRC:$RA, (not GPRC:$RB)))]>;
+def EQVi     : OFormL<0x11, 0x48, "eqv $RA,$L,$RC", []>;
+//                      [(set GPRC:$RC, (xor GPRC:$RA, (not immUExt8:$L)))]>;
+//def EXTBL    : OForm< 0x12, 0x06, "EXTBL $RA,$RB,$RC", []>; //Extract byte low
+//def EXTBLi   : OFormL<0x12, 0x06, "EXTBL $RA,$L,$RC", []>; //Extract byte low
+//def EXTLH    : OForm< 0x12, 0x6A, "EXTLH $RA,$RB,$RC", []>; //Extract longword high
+//def EXTLHi   : OFormL<0x12, 0x6A, "EXTLH $RA,$L,$RC", []>; //Extract longword high
+//def EXTLL    : OForm< 0x12, 0x26, "EXTLL $RA,$RB,$RC", []>; //Extract longword low
+//def EXTLLi   : OFormL<0x12, 0x26, "EXTLL $RA,$L,$RC", []>; //Extract longword low
+//def EXTQH    : OForm< 0x12, 0x7A, "EXTQH $RA,$RB,$RC", []>; //Extract quadword high
+//def EXTQHi   : OFormL<0x12, 0x7A, "EXTQH $RA,$L,$RC", []>; //Extract quadword high
+//def EXTQ     : OForm< 0x12, 0x36, "EXTQ $RA,$RB,$RC", []>; //Extract quadword low
+//def EXTQi    : OFormL<0x12, 0x36, "EXTQ $RA,$L,$RC", []>; //Extract quadword low
+//def EXTWH    : OForm< 0x12, 0x5A, "EXTWH $RA,$RB,$RC", []>; //Extract word high
+//def EXTWHi   : OFormL<0x12, 0x5A, "EXTWH $RA,$L,$RC", []>; //Extract word high
+//def EXTWL    : OForm< 0x12, 0x16, "EXTWL $RA,$RB,$RC", []>; //Extract word low
+//def EXTWLi   : OFormL<0x12, 0x16, "EXTWL $RA,$L,$RC", []>; //Extract word low
+//def IMPLVER  : OForm< 0x11, 0x6C, "IMPLVER $RA,$RB,$RC", []>; //Implementation version
+//def IMPLVERi : OFormL<0x11, 0x6C, "IMPLVER $RA,$L,$RC", []>; //Implementation version
+//def INSBL    : OForm< 0x12, 0x0B, "INSBL $RA,$RB,$RC", []>; //Insert byte low
+//def INSBLi   : OFormL<0x12, 0x0B, "INSBL $RA,$L,$RC", []>; //Insert byte low
+//def INSLH    : OForm< 0x12, 0x67, "INSLH $RA,$RB,$RC", []>; //Insert longword high
+//def INSLHi   : OFormL<0x12, 0x67, "INSLH $RA,$L,$RC", []>; //Insert longword high
+//def INSLL    : OForm< 0x12, 0x2B, "INSLL $RA,$RB,$RC", []>; //Insert longword low
+//def INSLLi   : OFormL<0x12, 0x2B, "INSLL $RA,$L,$RC", []>; //Insert longword low
+//def INSQH    : OForm< 0x12, 0x77, "INSQH $RA,$RB,$RC", []>; //Insert quadword high
+//def INSQHi   : OFormL<0x12, 0x77, "INSQH $RA,$L,$RC", []>; //Insert quadword high
+//def INSQL    : OForm< 0x12, 0x3B, "INSQL $RA,$RB,$RC", []>; //Insert quadword low
+//def INSQLi   : OFormL<0x12, 0x3B, "INSQL $RA,$L,$RC", []>; //Insert quadword low
+//def INSWH    : OForm< 0x12, 0x57, "INSWH $RA,$RB,$RC", []>; //Insert word high
+//def INSWHi   : OFormL<0x12, 0x57, "INSWH $RA,$L,$RC", []>; //Insert word high
+//def INSWL    : OForm< 0x12, 0x1B, "INSWL $RA,$RB,$RC", []>; //Insert word low
+//def INSWLi   : OFormL<0x12, 0x1B, "INSWL $RA,$L,$RC", []>; //Insert word low
+//def MSKBL    : OForm< 0x12, 0x02, "MSKBL $RA,$RB,$RC", []>; //Mask byte low
+//def MSKBLi   : OFormL<0x12, 0x02, "MSKBL $RA,$L,$RC", []>; //Mask byte low
+//def MSKLH    : OForm< 0x12, 0x62, "MSKLH $RA,$RB,$RC", []>; //Mask longword high
+//def MSKLHi   : OFormL<0x12, 0x62, "MSKLH $RA,$L,$RC", []>; //Mask longword high
+//def MSKLL    : OForm< 0x12, 0x22, "MSKLL $RA,$RB,$RC", []>; //Mask longword low
+//def MSKLLi   : OFormL<0x12, 0x22, "MSKLL $RA,$L,$RC", []>; //Mask longword low
+//def MSKQH    : OForm< 0x12, 0x72, "MSKQH $RA,$RB,$RC", []>; //Mask quadword high
+//def MSKQHi   : OFormL<0x12, 0x72, "MSKQH $RA,$L,$RC", []>; //Mask quadword high
+//def MSKQL    : OForm< 0x12, 0x32, "MSKQL $RA,$RB,$RC", []>; //Mask quadword low
+//def MSKQLi   : OFormL<0x12, 0x32, "MSKQL $RA,$L,$RC", []>; //Mask quadword low
+//def MSKWH    : OForm< 0x12, 0x52, "MSKWH $RA,$RB,$RC", []>; //Mask word high
+//def MSKWHi   : OFormL<0x12, 0x52, "MSKWH $RA,$L,$RC", []>; //Mask word high
+//def MSKWL    : OForm< 0x12, 0x12, "MSKWL $RA,$RB,$RC", []>; //Mask word low
+//def MSKWLi   : OFormL<0x12, 0x12, "MSKWL $RA,$L,$RC", []>; //Mask word low
+
+def MULL     : OForm< 0x13, 0x00, "mull $RA,$RB,$RC",
+                      [(set GPRC:$RC, (intop (mul GPRC:$RA, GPRC:$RB)))]>;
+def MULLi    : OFormL<0x13, 0x00, "mull $RA,$L,$RC",
+                      [(set GPRC:$RC, (intop (mul GPRC:$RA, immUExt8:$L)))]>;
+def MULQ     : OForm< 0x13, 0x20, "mulq $RA,$RB,$RC",
+                      [(set GPRC:$RC, (mul GPRC:$RA, GPRC:$RB))]>;
+def MULQi    : OFormL<0x13, 0x20, "mulq $RA,$L,$RC",
+                      [(set GPRC:$RC, (mul GPRC:$RA, immUExt8:$L))]>;
+def ORNOT    : OForm< 0x11, 0x28, "ornot $RA,$RB,$RC",
+                      [(set GPRC:$RC, (or GPRC:$RA, (not GPRC:$RB)))]>;
+def ORNOTi   : OFormL<0x11, 0x28, "ornot $RA,$L,$RC", []>;
+//                      [(set GPRC:$RC, (or GPRC:$RA, (not immUExt8:$L)))]>;
+def S4ADDL   : OForm< 0x10, 0x02, "s4addl $RA,$RB,$RC", 
+                      [(set GPRC:$RC, (intop (add4 GPRC:$RA, GPRC:$RB)))]>;
+def S4ADDLi  : OFormL<0x10, 0x02, "s4addl $RA,$L,$RC", 
+                      [(set GPRC:$RC, (intop (add4 GPRC:$RA, immUExt8:$L)))]>;
+def S4ADDQ   : OForm< 0x10, 0x22, "s4addq $RA,$RB,$RC", 
+                      [(set GPRC:$RC, (add4 GPRC:$RA, GPRC:$RB))]>;
+def S4ADDQi  : OFormL<0x10, 0x22, "s4addq $RA,$L,$RC", 
+                      [(set GPRC:$RC, (add4 GPRC:$RA, immUExt8:$L))]>;
+def S4SUBL   : OForm< 0x10, 0x0B, "s4subl $RA,$RB,$RC",
+                      [(set GPRC:$RC, (intop (sub4 GPRC:$RA, GPRC:$RB)))]>;
+def S4SUBLi  : OFormL<0x10, 0x0B, "s4subl $RA,$L,$RC",
+                      [(set GPRC:$RC, (intop (sub4 GPRC:$RA, immUExt8:$L)))]>;
+def S4SUBQ   : OForm< 0x10, 0x2B, "s4subq $RA,$RB,$RC", 
+                      [(set GPRC:$RC, (sub4 GPRC:$RA, GPRC:$RB))]>;
+def S4SUBQi  : OFormL<0x10, 0x2B, "s4subq $RA,$L,$RC", 
+                      [(set GPRC:$RC, (sub4 GPRC:$RA, immUExt8:$L))]>;
+def S8ADDL   : OForm< 0x10, 0x12, "s8addl $RA,$RB,$RC", 
+                      [(set GPRC:$RC, (intop (add8 GPRC:$RA, GPRC:$RB)))]>;
+def S8ADDLi  : OFormL<0x10, 0x12, "s8addl $RA,$L,$RC", 
+                      [(set GPRC:$RC, (intop (add8 GPRC:$RA, immUExt8:$L)))]>;
+def S8ADDQ   : OForm< 0x10, 0x32, "s8addq $RA,$RB,$RC", 
+                      [(set GPRC:$RC, (add8 GPRC:$RA, GPRC:$RB))]>;
+def S8ADDQi  : OFormL<0x10, 0x32, "s8addq $RA,$L,$RC", 
+                      [(set GPRC:$RC, (add8 GPRC:$RA, immUExt8:$L))]>;
+def S8SUBL   : OForm< 0x10, 0x1B, "s8subl $RA,$RB,$RC", 
+                      [(set GPRC:$RC, (intop (sub8 GPRC:$RA, GPRC:$RB)))]>;
+def S8SUBLi  : OFormL<0x10, 0x1B, "s8subl $RA,$L,$RC", 
+                      [(set GPRC:$RC, (intop (sub8 GPRC:$RA, immUExt8:$L)))]>;
+def S8SUBQ   : OForm< 0x10, 0x3B, "s8subq $RA,$RB,$RC", 
+                      [(set GPRC:$RC, (sub8 GPRC:$RA, GPRC:$RB))]>;
+def S8SUBQi  : OFormL<0x10, 0x3B, "s8subq $RA,$L,$RC", 
+                      [(set GPRC:$RC, (sub8 GPRC:$RA, immUExt8:$L))]>;
+def SEXTB    : OForm2<0x1C, 0x00, "sextb $RB,$RC", 
+                      [(set GPRC:$RC, (sext_inreg GPRC:$RB, i8))]>;
+def SEXTW    : OForm2<0x1C, 0x01, "sextw $RB,$RC", 
+                      [(set GPRC:$RC, (sext_inreg GPRC:$RB, i16))]>;
+def SL       : OForm< 0x12, 0x39, "sll $RA,$RB,$RC",
+                      [(set GPRC:$RC, (shl GPRC:$RA, GPRC:$RB))]>;
+def SLi      : OFormL<0x12, 0x39, "sll $RA,$L,$RC",
+                      [(set GPRC:$RC, (shl GPRC:$RA, immUExt8:$L))]>;
+def SRA      : OForm< 0x12, 0x3C, "sra $RA,$RB,$RC",
+                      [(set GPRC:$RC, (sra GPRC:$RA, GPRC:$RB))]>;
+def SRAi     : OFormL<0x12, 0x3C, "sra $RA,$L,$RC",
+                      [(set GPRC:$RC, (sra GPRC:$RA, immUExt8:$L))]>;
+def SRL      : OForm< 0x12, 0x34, "srl $RA,$RB,$RC",
+                      [(set GPRC:$RC, (srl GPRC:$RA, GPRC:$RB))]>;
+def SRLi     : OFormL<0x12, 0x34, "srl $RA,$L,$RC",
+                      [(set GPRC:$RC, (srl GPRC:$RA, immUExt8:$L))]>;
+def SUBL     : OForm< 0x10, 0x09, "subl $RA,$RB,$RC",
+                      [(set GPRC:$RC, (intop (sub GPRC:$RA, GPRC:$RB)))]>;
+def SUBLi    : OFormL<0x10, 0x09, "subl $RA,$L,$RC",
+                      [(set GPRC:$RC, (intop (sub GPRC:$RA, immUExt8:$L)))]>;
+def SUBQ     : OForm< 0x10, 0x29, "subq $RA,$RB,$RC",
+                      [(set GPRC:$RC, (sub GPRC:$RA, GPRC:$RB))]>;
+def SUBQi    : OFormL<0x10, 0x29, "subq $RA,$L,$RC",
+                      [(set GPRC:$RC, (sub GPRC:$RA, immUExt8:$L))]>;
+def UMULH    : OForm< 0x13, 0x30, "umulh $RA,$RB,$RC",
+                      [(set GPRC:$RC, (mulhu GPRC:$RA, GPRC:$RB))]>;                     
+def UMULHi   : OFormL<0x13, 0x30, "umulh $RA,$L,$RC", 
+                      [(set GPRC:$RC, (mulhu GPRC:$RA, immUExt8:$L))]>;
+def XOR      : OForm< 0x11, 0x40, "xor $RA,$RB,$RC",
+                      [(set GPRC:$RC, (xor GPRC:$RA, GPRC:$RB))]>;
+def XORi     : OFormL<0x11, 0x40, "xor $RA,$L,$RC",
+                      [(set GPRC:$RC, (xor GPRC:$RA, immUExt8:$L))]>;
+//FIXME: what to do about zap? the cases it catches are very complex
+def ZAP      : OForm< 0x12, 0x30, "zap $RA,$RB,$RC", []>; //Zero bytes
+//ZAPi is useless give ZAPNOTi
+def ZAPi     : OFormL<0x12, 0x30, "zap $RA,$L,$RC", []>; //Zero bytes
+//FIXME: what to do about zapnot? see ZAP :)
+def ZAPNOT   : OForm< 0x12, 0x31, "zapnot $RA,$RB,$RC", []>; //Zero bytes not
+def ZAPNOTi  : OFormL<0x12, 0x31, "zapnot $RA,$L,$RC", 
+                      [(set GPRC:$RC, (and GPRC:$RA, immZAP:$L))]>; 
 
 //Comparison, int
-def CMPBGE   : OForm< 0x10, 0x0F, "cmpbge $RA,$RB,$RC">; //Compare byte
-def CMPBGEi  : OFormL<0x10, 0x0F, "cmpbge $RA,$L,$RC">; //Compare byte
-def CMPEQ    : OForm< 0x10, 0x2D, "cmpeq $RA,$RB,$RC">; //Compare signed quadword equal
-def CMPEQi   : OFormL<0x10, 0x2D, "cmpeq $RA,$L,$RC">; //Compare signed quadword equal
-def CMPLE    : OForm< 0x10, 0x6D, "cmple $RA,$RB,$RC">; //Compare signed quadword less than or equal
-def CMPLEi   : OFormL<0x10, 0x6D, "cmple $RA,$L,$RC">; //Compare signed quadword less than or equal
-def CMPLT    : OForm< 0x10, 0x4D, "cmplt $RA,$RB,$RC">; //Compare signed quadword less than
-def CMPLTi   : OFormL<0x10, 0x4D, "cmplt $RA,$L,$RC">; //Compare signed quadword less than
-def CMPULE   : OForm< 0x10, 0x3D, "cmpule $RA,$RB,$RC">; //Compare unsigned quadword less than or equal
-def CMPULEi  : OFormL<0x10, 0x3D, "cmpule $RA,$L,$RC">; //Compare unsigned quadword less than or equal
-def CMPULT   : OForm< 0x10, 0x1D, "cmpult $RA,$RB,$RC">; //Compare unsigned quadword less than
-def CMPULTi  : OFormL<0x10, 0x1D, "cmpult $RA,$L,$RC">; //Compare unsigned quadword less than
-
-//Comparison, FP
-def CMPTEQ : FPForm<0x16, 0x0A5, "cmpteq/su $RA,$RB,$RC">;  //Compare T_floating equal
-def CMPTLE : FPForm<0x16, 0x0A7, "cmptle/su $RA,$RB,$RC">;  //Compare T_floating less than or equal
-def CMPTLT : FPForm<0x16, 0x0A6, "cmptlt/su $RA,$RB,$RC">;  //Compare T_floating less than
-def CMPTUN : FPForm<0x16, 0x0A4, "cmptun/su $RA,$RB,$RC">;  //Compare T_floating unordered
+//So this is a waste of what this instruction can do, but it still saves something
+def CMPBGE  : OForm< 0x10, 0x0F, "cmpbge $RA,$RB,$RC", 
+                     [(set GPRC:$RC, (setuge (and GPRC:$RA, 255), (and GPRC:$RB, 255)))]>;
+def CMPBGEi : OFormL<0x10, 0x0F, "cmpbge $RA,$L,$RC",
+                     [(set GPRC:$RC, (setuge (and GPRC:$RA, 255), immUExt8:$L))]>;
+def CMPEQ   : OForm< 0x10, 0x2D, "cmpeq $RA,$RB,$RC", 
+                     [(set GPRC:$RC, (seteq GPRC:$RA, GPRC:$RB))]>;
+def CMPEQi  : OFormL<0x10, 0x2D, "cmpeq $RA,$L,$RC", 
+                     [(set GPRC:$RC, (seteq GPRC:$RA, immUExt8:$L))]>;
+def CMPLE   : OForm< 0x10, 0x6D, "cmple $RA,$RB,$RC", 
+                     [(set GPRC:$RC, (setle GPRC:$RA, GPRC:$RB))]>;
+def CMPLEi  : OFormL<0x10, 0x6D, "cmple $RA,$L,$RC",
+                     [(set GPRC:$RC, (setle GPRC:$RA, immUExt8:$L))]>;
+def CMPLT   : OForm< 0x10, 0x4D, "cmplt $RA,$RB,$RC",
+                     [(set GPRC:$RC, (setlt GPRC:$RA, GPRC:$RB))]>;
+def CMPLTi  : OFormL<0x10, 0x4D, "cmplt $RA,$L,$RC",
+                     [(set GPRC:$RC, (setlt GPRC:$RA, immUExt8:$L))]>;
+def CMPULE  : OForm< 0x10, 0x3D, "cmpule $RA,$RB,$RC",
+                     [(set GPRC:$RC, (setule GPRC:$RA, GPRC:$RB))]>;
+def CMPULEi : OFormL<0x10, 0x3D, "cmpule $RA,$L,$RC",
+                     [(set GPRC:$RC, (setule GPRC:$RA, immUExt8:$L))]>;
+def CMPULT  : OForm< 0x10, 0x1D, "cmpult $RA,$RB,$RC",
+                     [(set GPRC:$RC, (setlt GPRC:$RA, GPRC:$RB))]>;
+def CMPULTi : OFormL<0x10, 0x1D, "cmpult $RA,$L,$RC", 
+                      [(set GPRC:$RC, (setlt GPRC:$RA, immUExt8:$L))]>;
+
+//Patterns for unsupported int comparisons
+def : Pat<(setueq GPRC:$X, GPRC:$Y), (CMPEQ GPRC:$X, GPRC:$Y)>;
+def : Pat<(setueq GPRC:$X, immUExt8:$Y), (CMPEQi GPRC:$X, immUExt8:$Y)>;
+
+def : Pat<(setugt GPRC:$X, GPRC:$Y), (CMPULT GPRC:$Y, GPRC:$X)>;
+def : Pat<(setugt immUExt8:$X, GPRC:$Y), (CMPULTi GPRC:$Y, immUExt8:$X)>;
+
+def : Pat<(setuge GPRC:$X, GPRC:$Y), (CMPULE GPRC:$Y, GPRC:$X)>;
+def : Pat<(setuge immUExt8:$X, GPRC:$Y), (CMPULEi GPRC:$Y, immUExt8:$X)>;
+
+def : Pat<(setgt GPRC:$X, GPRC:$Y), (CMPLT GPRC:$Y, GPRC:$X)>;
+def : Pat<(setgt immUExt8:$X, GPRC:$Y), (CMPLTi GPRC:$Y, immUExt8:$X)>;
+
+def : Pat<(setge GPRC:$X, GPRC:$Y), (CMPLE GPRC:$Y, GPRC:$X)>;
+def : Pat<(setge immUExt8:$X, GPRC:$Y), (CMPLEi GPRC:$Y, immUExt8:$X)>;
 
-//There are in the Multimedia extentions, so let's not use them yet
-def MAXSB8  : OForm<0x1C, 0x3E, "MAXSB8 $RA,$RB,$RC">; //Vector signed byte maximum
-def MAXSW4 : OForm< 0x1C, 0x3F, "MAXSW4 $RA,$RB,$RC">; //Vector signed word maximum
-def MAXUB8  : OForm<0x1C, 0x3C, "MAXUB8 $RA,$RB,$RC">; //Vector unsigned byte maximum
-def MAXUW4 : OForm< 0x1C, 0x3D, "MAXUW4 $RA,$RB,$RC">; //Vector unsigned word maximum
-def MINSB8 : OForm< 0x1C, 0x38, "MINSB8 $RA,$RB,$RC">; //Vector signed byte minimum
-def MINSW4 : OForm< 0x1C, 0x39, "MINSW4 $RA,$RB,$RC">; //Vector signed word minimum
-def MINUB8 : OForm< 0x1C, 0x3A, "MINUB8 $RA,$RB,$RC">; //Vector unsigned byte minimum
-def MINUW4 : OForm< 0x1C, 0x3B, "MINUW4 $RA,$RB,$RC">; //Vector unsigned word minimum
-def PERR : OForm< 0x1C, 0x31, "PERR $RA,$RB,$RC">; //Pixel error
-def PKLB : OForm< 0x1C, 0x37, "PKLB $RA,$RB,$RC">; //Pack longwords to bytes
-def PKWB  : OForm<0x1C, 0x36, "PKWB $RA,$RB,$RC">; //Pack words to bytes
-def UNPKBL : OForm< 0x1C, 0x35, "UNPKBL $RA,$RB,$RC">; //Unpack bytes to longwords
-def UNPKBW : OForm< 0x1C, 0x34, "UNPKBW $RA,$RB,$RC">; //Unpack bytes to words
+def : Pat<(setne GPRC:$X, GPRC:$Y), (CMPEQi (CMPEQ GPRC:$X, GPRC:$Y), 0)>;
+def : Pat<(setne GPRC:$X, immUExt8:$Y), (CMPEQi (CMPEQi GPRC:$X, immUExt8:$Y), 0)>;
 
-//End operate
+def : Pat<(setune GPRC:$X, GPRC:$Y), (CMPEQi (CMPEQ GPRC:$X, GPRC:$Y), 0)>;
+def : Pat<(setune GPRC:$X, immUExt8:$Y), (CMPEQi (CMPEQ GPRC:$X, immUExt8:$Y), 0)>;
 
-let isReturn = 1, isTerminator = 1 in
+
+let isReturn = 1, isTerminator = 1 in 
   def RET : MbrForm< 0x1A, 0x02, (ops GPRC:$RD, GPRC:$RS, s64imm:$DISP), "ret $RD,($RS),$DISP">; //Return from subroutine
+//DAG Version:
+let isReturn = 1, isTerminator = 1, Ra = 31, Rb = 26, disp = 1, Uses = [R26] in 
+  def RETDAG : MbrForm< 0x1A, 0x02, (ops), "ret $$31,($$26),1">; //Return from subroutine
 
 def JMP : MbrForm< 0x1A, 0x00, (ops GPRC:$RD, GPRC:$RS, GPRC:$DISP), "jmp $RD,($RS),$DISP">; //Jump
 let isCall = 1,
@@ -267,12 +373,22 @@
     def JSR : MbrForm< 0x1A, 0x01, (ops GPRC:$RD, GPRC:$RS, s14imm:$DISP), "jsr $RD,($RS),$DISP">; //Jump to subroutine
     def BSR : BForm<0x34, "bsr $RA,$DISP">; //Branch to subroutine
 }
+let isCall = 1,
+    Defs = [R0, R1, R2, R3, R4, R5, R6, R7, R8, R16, R17, R18, R19,
+            R20, R21, R22, R23, R24, R25, R26, R27, R28, R29,
+            F0, F1,
+            F10, F11, F12, F13, F14, F15, F16, F17, F18, F19,
+            F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F30], Uses = [R27, R29] in {
+    def JSRDAG : MbrForm< 0x1A, 0x01, (ops ), "jsr $$26,($$27),0">; //Jump to subroutine
+}
 let isCall = 1, Defs = [R24, R25, R27, R28], Uses = [R24, R25] in
   def JSRs : MbrForm< 0x1A, 0x01, (ops GPRC:$RD, GPRC:$RS, s14imm:$DISP), "jsr $RD,($RS),$DISP">; //Jump to div or rem
 
 def JSR_COROUTINE : MbrForm< 0x1A, 0x03, (ops GPRC:$RD, GPRC:$RS, s14imm:$DISP), "jsr_coroutine $RD,($RS),$DISP">; //Jump to subroutine return
 def BR : BForm<0x30, "br $RA,$DISP">; //Branch
 
+def BR_DAG : BFormD<0x30, "br $$31,$DISP">; //Branch
+
 //Stores, int
 def STB : MForm<0x0E, "stb $RA,$DISP($RB)">; // Store byte
 def STW : MForm<0x0D, "stw $RA,$DISP($RB)">; // Store word
@@ -349,64 +465,130 @@
 def FBLT : FBForm<0x32, "fblt $RA,$DISP">; //Floating branch if < zero
 def FBNE : FBForm<0x35, "fbne $RA,$DISP">; //Floating branch if != zero
 
-//Funky Floating point ops
-def CPYS  : FPForm<0x17, 0x020, "cpys $RA,$RB,$RC">;  //Copy sign
-def CPYSE : FPForm<0x17, 0x022, "cpyse $RA,$RB,$RC">; //Copy sign and exponent
-def CPYSN : FPForm<0x17, 0x021, "cpysn $RA,$RB,$RC">; //Copy sign negate
+def RPCC : MfcForm<0x18, 0xC000, "rpcc $RA">; //Read process cycle counter
 
 //Basic Floating point ops
-def ADDS  : FPForm<0x16, 0x580, "adds/su $RA,$RB,$RC">;  //Add S_floating
-def ADDT  : FPForm<0x16, 0x5A0, "addt/su $RA,$RB,$RC">;  //Add T_floating
-def SUBS  : FPForm<0x16, 0x581, "subs/su $RA,$RB,$RC">;  //Subtract S_floating
-def SUBT  : FPForm<0x16, 0x5A1, "subt/su $RA,$RB,$RC">;  //Subtract T_floating
-def DIVS  : FPForm<0x16, 0x583, "divs/su $RA,$RB,$RC">;  //Divide S_floating
-def DIVT  : FPForm<0x16, 0x5A3, "divt/su $RA,$RB,$RC">;  //Divide T_floating
-def MULS  : FPForm<0x16, 0x582, "muls/su $RA,$RB,$RC">;  //Multiply S_floating
-def MULT  : FPForm<0x16, 0x5A2, "mult/su $RA,$RB,$RC">;  //Multiply T_floating
-def SQRTS : FPForm<0x14, 0x58B, "sqrts/su $RA,$RB,$RC">;  //Square root S_floating
-def SQRTT : FPForm<0x14, 0x5AB, "sqrtt/su $RA,$RB,$RC">;  //Square root T_floating
-
-//INT reg to FP reg and back again
-//not supported on 21164
-def FTOIS : FPForm<0x1C, 0x078, "ftois $RA,$RC">; //Floating to integer move, S_floating
-def FTOIT : FPForm<0x1C, 0x070, "ftoit $RA,$RC">; //Floating to integer move, T_floating
-def ITOFS : FPForm<0x14, 0x004, "itofs $RA,$RC">; //Integer to floating move, S_floating
-def ITOFT : FPForm<0x14, 0x024, "itoft $RA,$RC">; //Integer to floating move, T_floating
 
-//CVTLQ F-P 17.010 Convert longword to quadword
-//CVTQL F-P 17.030 Convert quadword to longword
-//These use SW completion, may not have function code for that set right (matters for JIT)
-def CVTQS : FPForm<0x16, 0x0BC, "cvtqs $RB,$RC">; //Convert quadword to S_floating
-def CVTQT : FPForm<0x16, 0x0BE, "cvtqt $RB,$RC">; //Convert quadword to T_floating
-def CVTST : FPForm<0x16, 0x2AC, "cvtsts $RB,$RC">; //Convert S_floating to T_floating
-def CVTTQ : FPForm<0x16, 0x52F, "cvttq/svc $RB,$RC">; //Convert T_floating to quadword
-def CVTTS : FPForm<0x16, 0x5AC, "cvtts/su $RB,$RC">; //Convert T_floating to S_floating
+//Floats
+
+let OperandList = (ops F4RC:$RC, F4RC:$RB), Fa = 31 in 
+def SQRTS : FPForm<0x14, 0x58B, "sqrts/su $RB,$RC",
+                   [(set F4RC:$RC, (fsqrt F4RC:$RB))]>;
+
+let OperandList = (ops F4RC:$RC, F4RC:$RA, F4RC:$RB) in {
+def ADDS  : FPForm<0x16, 0x580, "adds/su $RA,$RB,$RC",
+                   [(set F4RC:$RC, (fadd F4RC:$RA, F4RC:$RB))]>;
+def SUBS  : FPForm<0x16, 0x581, "subs/su $RA,$RB,$RC",
+                   [(set F4RC:$RC, (fsub F4RC:$RA, F4RC:$RB))]>;
+def DIVS  : FPForm<0x16, 0x583, "divs/su $RA,$RB,$RC",
+                   [(set F4RC:$RC, (fdiv F4RC:$RA, F4RC:$RB))]>;
+def MULS  : FPForm<0x16, 0x582, "muls/su $RA,$RB,$RC",
+                   [(set F4RC:$RC, (fmul F4RC:$RA, F4RC:$RB))]>;
+
+def CPYSS  : FPForm<0x17, 0x020, "cpys $RA,$RB,$RC",[]>;  //Copy sign
+def CPYSES : FPForm<0x17, 0x022, "cpyse $RA,$RB,$RC",[]>; //Copy sign and exponent
+def CPYSNS : FPForm<0x17, 0x021, "cpysn $RA,$RB,$RC",[]>; //Copy sign negate
+}
+
+//Doubles
+
+let OperandList = (ops F8RC:$RC, F8RC:$RB), Fa = 31 in 
+def SQRTT : FPForm<0x14, 0x5AB, "sqrtt/su $RB,$RC",
+                   [(set F8RC:$RC, (fsqrt F8RC:$RB))]>;
+
+let OperandList = (ops F8RC:$RC, F8RC:$RA, F8RC:$RB) in {
+def ADDT  : FPForm<0x16, 0x5A0, "addt/su $RA,$RB,$RC",
+                   [(set F8RC:$RC, (fadd F8RC:$RA, F8RC:$RB))]>;
+def SUBT  : FPForm<0x16, 0x5A1, "subt/su $RA,$RB,$RC",
+                   [(set F8RC:$RC, (fsub F8RC:$RA, F8RC:$RB))]>;
+def DIVT  : FPForm<0x16, 0x5A3, "divt/su $RA,$RB,$RC",
+                   [(set F8RC:$RC, (fdiv F8RC:$RA, F8RC:$RB))]>;
+def MULT  : FPForm<0x16, 0x5A2, "mult/su $RA,$RB,$RC",
+                   [(set F8RC:$RC, (fmul F8RC:$RA, F8RC:$RB))]>;
+
+def CPYST  : FPForm<0x17, 0x020, "cpys $RA,$RB,$RC",[]>;  //Copy sign
+def CPYSET : FPForm<0x17, 0x022, "cpyse $RA,$RB,$RC",[]>; //Copy sign and exponent
+def CPYSNT : FPForm<0x17, 0x021, "cpysn $RA,$RB,$RC",[]>; //Copy sign negate
+
+def CMPTEQ : FPForm<0x16, 0x5A5, "cmpteq/su $RA,$RB,$RC", []>;
+//                    [(set F8RC:$RC, (seteq F8RC:$RA, F8RC:$RB))]>;
+def CMPTLE : FPForm<0x16, 0x5A7, "cmptle/su $RA,$RB,$RC", []>;
+//                    [(set F8RC:$RC, (setle F8RC:$RA, F8RC:$RB))]>;
+def CMPTLT : FPForm<0x16, 0x5A6, "cmptlt/su $RA,$RB,$RC", []>;
+//                    [(set F8RC:$RC, (setlt F8RC:$RA, F8RC:$RB))]>;
+def CMPTUN : FPForm<0x16, 0x5A4, "cmptun/su $RA,$RB,$RC", []>;
+//                    [(set F8RC:$RC, (setuo F8RC:$RA, F8RC:$RB))]>;
+}
+//TODO: Add lots more FP patterns
+
+
+
+let OperandList = (ops GPRC:$RC, F4RC:$RA), Fb = 31 in 
+def FTOIS : FPForm<0x1C, 0x078, "ftois $RA,$RC",[]>; //Floating to integer move, S_floating
+let OperandList = (ops GPRC:$RC, F8RC:$RA), Fb = 31 in 
+def FTOIT : FPForm<0x1C, 0x070, "ftoit $RA,$RC",[]>; //Floating to integer move, T_floating
+let OperandList = (ops F4RC:$RC, GPRC:$RA), Fb = 31 in 
+def ITOFS : FPForm<0x14, 0x004, "itofs $RA,$RC",[]>; //Integer to floating move, S_floating
+let OperandList = (ops F8RC:$RC, GPRC:$RA), Fb = 31 in 
+def ITOFT : FPForm<0x14, 0x024, "itoft $RA,$RC",[]>; //Integer to floating move, T_floating
+
+
+let OperandList = (ops F4RC:$RC, F8RC:$RB), Fa = 31 in 
+def CVTQS : FPForm<0x16, 0x7BC, "cvtqs/sui $RB,$RC",[]>; //Convert quadword to S_floating
+let OperandList = (ops F8RC:$RC, F8RC:$RB), Fa = 31 in 
+def CVTQT : FPForm<0x16, 0x7BE, "cvtqt/sui $RB,$RC",[]>; //Convert quadword to T_floating
+let OperandList = (ops F8RC:$RC, F8RC:$RB), Fa = 31 in 
+def CVTTQ : FPForm<0x16, 0x52F, "cvttq/svc $RB,$RC",[]>; //Convert T_floating to quadword
+let OperandList = (ops F8RC:$RC, F4RC:$RB), Fa = 31 in 
+def CVTST : FPForm<0x16, 0x6AC, "cvtst/s $RB,$RC",
+                   [(set F8RC:$RC, (fextend F4RC:$RB))]>;
+let OperandList = (ops F4RC:$RC, F8RC:$RB), Fa = 31 in 
+def CVTTS : FPForm<0x16, 0x7AC, "cvtts/sui $RB,$RC",
+                   [(set F4RC:$RC, (fround F8RC:$RB))]>;
 
 //S_floating : IEEE Single
 //T_floating : IEEE Double
 
+//Unused instructions
 //Mnemonic Format Opcode Description
-
 //CALL_PAL Pcd 00 Trap to PALcode
 //ECB Mfc 18.E800 Evict cache block
 //EXCB Mfc 18.0400 Exception barrier
 //FETCH Mfc 18.8000 Prefetch data
 //FETCH_M Mfc 18.A000 Prefetch data, modify intent
-
 //LDL_L Mem 2A Load sign-extended longword locked
 //LDQ_L Mem 2B Load quadword locked
 //LDQ_U Mem 0B Load unaligned quadword
 //MB Mfc 18.4000 Memory barrier
-//RPCC Mfc 18.C000 Read process cycle counter
-
 //STL_C Mem 2E Store longword conditional
 //STQ_C Mem 2F Store quadword conditional
 //STQ_U Mem 0F Store unaligned quadword
-
 //TRAPB Mfc 18.0000 Trap barrier
 //WH64 Mfc 18.F800 Write hint  64 bytes
 //WMB Mfc 18.4400 Write memory barrier
-
-
 //MF_FPCR F-P 17.025 Move from FPCR
 //MT_FPCR F-P 17.024 Move to FPCR
+//There are in the Multimedia extentions, so let's not use them yet
+//def MAXSB8  : OForm<0x1C, 0x3E, "MAXSB8 $RA,$RB,$RC">; //Vector signed byte maximum
+//def MAXSW4 : OForm< 0x1C, 0x3F, "MAXSW4 $RA,$RB,$RC">; //Vector signed word maximum
+//def MAXUB8  : OForm<0x1C, 0x3C, "MAXUB8 $RA,$RB,$RC">; //Vector unsigned byte maximum
+//def MAXUW4 : OForm< 0x1C, 0x3D, "MAXUW4 $RA,$RB,$RC">; //Vector unsigned word maximum
+//def MINSB8 : OForm< 0x1C, 0x38, "MINSB8 $RA,$RB,$RC">; //Vector signed byte minimum
+//def MINSW4 : OForm< 0x1C, 0x39, "MINSW4 $RA,$RB,$RC">; //Vector signed word minimum
+//def MINUB8 : OForm< 0x1C, 0x3A, "MINUB8 $RA,$RB,$RC">; //Vector unsigned byte minimum
+//def MINUW4 : OForm< 0x1C, 0x3B, "MINUW4 $RA,$RB,$RC">; //Vector unsigned word minimum
+//def PERR : OForm< 0x1C, 0x31, "PERR $RA,$RB,$RC">; //Pixel error
+//def PKLB : OForm< 0x1C, 0x37, "PKLB $RA,$RB,$RC">; //Pack longwords to bytes
+//def PKWB  : OForm<0x1C, 0x36, "PKWB $RA,$RB,$RC">; //Pack words to bytes
+//def UNPKBL : OForm< 0x1C, 0x35, "UNPKBL $RA,$RB,$RC">; //Unpack bytes to longwords
+//def UNPKBW : OForm< 0x1C, 0x34, "UNPKBW $RA,$RB,$RC">; //Unpack bytes to words
+//CVTLQ F-P 17.010 Convert longword to quadword
+//CVTQL F-P 17.030 Convert quadword to longword
+//def AMASK    : OForm< 0x11, 0x61, "AMASK $RA,$RB,$RC", []>; //Architecture mask
+//def AMASKi   : OFormL<0x11, 0x61, "AMASK $RA,$L,$RC", []>; //Architecture mask
+
+
+
+
+def : Pat<(i64 immSExt16:$imm),
+          (LDA immSExt16:$imm, R31)>;


Index: llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp
diff -u llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp:1.28 llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp:1.28.2.1
--- llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp:1.28	Sun Oct  9 15:11:35 2005
+++ llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp	Wed Nov 16 12:32:33 2005
@@ -65,13 +65,6 @@
 {
 }
 
-static const TargetRegisterClass *getClass(unsigned SrcReg) {
-  if (Alpha::FPRCRegisterClass->contains(SrcReg))
-    return Alpha::FPRCRegisterClass;
-  assert(Alpha::GPRCRegisterClass->contains(SrcReg) && "Reg not FPR or GPR");
-  return Alpha::GPRCRegisterClass;
-}
-
 void
 AlphaRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
                                        MachineBasicBlock::iterator MI,
@@ -82,9 +75,11 @@
   if (EnableAlphaLSMark)
     BuildMI(MBB, MI, Alpha::MEMLABEL, 4).addImm(4).addImm(0).addImm(1)
       .addImm(getUID());
-  if (getClass(SrcReg) == Alpha::FPRCRegisterClass)
+  if (RC == Alpha::F4RCRegisterClass)
+    BuildMI(MBB, MI, Alpha::STS, 3).addReg(SrcReg).addFrameIndex(FrameIdx).addReg(Alpha::F31);
+  else if (RC == Alpha::F8RCRegisterClass)
     BuildMI(MBB, MI, Alpha::STT, 3).addReg(SrcReg).addFrameIndex(FrameIdx).addReg(Alpha::F31);
-  else if (getClass(SrcReg) == Alpha::GPRCRegisterClass)
+  else if (RC == Alpha::GPRCRegisterClass)
     BuildMI(MBB, MI, Alpha::STQ, 3).addReg(SrcReg).addFrameIndex(FrameIdx).addReg(Alpha::F31);
   else
     abort();
@@ -99,9 +94,11 @@
   if (EnableAlphaLSMark)
     BuildMI(MBB, MI, Alpha::MEMLABEL, 4).addImm(4).addImm(0).addImm(2)
       .addImm(getUID());
-  if (getClass(DestReg) == Alpha::FPRCRegisterClass)
+  if (RC == Alpha::F4RCRegisterClass)
+    BuildMI(MBB, MI, Alpha::LDS, 2, DestReg).addFrameIndex(FrameIdx).addReg(Alpha::F31);
+  else if (RC == Alpha::F8RCRegisterClass)
     BuildMI(MBB, MI, Alpha::LDT, 2, DestReg).addFrameIndex(FrameIdx).addReg(Alpha::F31);
-  else if (getClass(DestReg) == Alpha::GPRCRegisterClass)
+  else if (RC == Alpha::GPRCRegisterClass)
     BuildMI(MBB, MI, Alpha::LDQ, 2, DestReg).addFrameIndex(FrameIdx).addReg(Alpha::F31);
   else
     abort();
@@ -126,6 +123,50 @@
   return 0;
 }
 
+MachineInstr *AlphaRegisterInfo::foldMemoryOperand(MachineInstr *MI,
+                                                 unsigned OpNum,
+                                                 int FrameIndex) const {
+  // Make sure this is a reg-reg copy.
+  unsigned Opc = MI->getOpcode();
+  
+  if ((Opc == Alpha::BIS &&
+       MI->getOperand(1).getReg() == MI->getOperand(2).getReg())) {
+    if (OpNum == 0) {  // move -> store
+      unsigned InReg = MI->getOperand(1).getReg();
+      return BuildMI(Alpha::STQ, 3).addReg(InReg).addFrameIndex(FrameIndex)
+        .addReg(Alpha::F31);
+    } else {           // load -> move
+      unsigned OutReg = MI->getOperand(0).getReg();
+      return BuildMI(Alpha::LDQ, 2, OutReg).addFrameIndex(FrameIndex)
+        .addReg(Alpha::F31);
+    }
+  } else if ((Opc == Alpha::CPYSS &&
+              MI->getOperand(1).getReg() == MI->getOperand(2).getReg())) {
+    if (OpNum == 0) {  // move -> store
+      unsigned InReg = MI->getOperand(1).getReg();
+      return BuildMI(Alpha::STS, 3).addReg(InReg).addFrameIndex(FrameIndex)
+        .addReg(Alpha::F31);
+    } else {           // load -> move
+      unsigned OutReg = MI->getOperand(0).getReg();
+      return BuildMI(Alpha::LDS, 2, OutReg).addFrameIndex(FrameIndex)
+        .addReg(Alpha::F31);
+    }
+  } else if ((Opc == Alpha::CPYST &&
+              MI->getOperand(1).getReg() == MI->getOperand(2).getReg())) {
+    if (OpNum == 0) {  // move -> store
+      unsigned InReg = MI->getOperand(1).getReg();
+      return BuildMI(Alpha::STT, 3).addReg(InReg).addFrameIndex(FrameIndex)
+        .addReg(Alpha::F31);
+    } else {           // load -> move
+      unsigned OutReg = MI->getOperand(0).getReg();
+      return BuildMI(Alpha::LDT, 2, OutReg).addFrameIndex(FrameIndex)
+        .addReg(Alpha::F31);
+    }
+  }
+  return 0;
+}
+
+
 void AlphaRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator MI,
                                      unsigned DestReg, unsigned SrcReg,
@@ -133,8 +174,10 @@
   //  std::cerr << "copyRegToReg " << DestReg << " <- " << SrcReg << "\n";
   if (RC == Alpha::GPRCRegisterClass) {
     BuildMI(MBB, MI, Alpha::BIS, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
-  } else if (RC == Alpha::FPRCRegisterClass) {
-    BuildMI(MBB, MI, Alpha::CPYS, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
+  } else if (RC == Alpha::F4RCRegisterClass) {
+    BuildMI(MBB, MI, Alpha::CPYSS, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
+  } else if (RC == Alpha::F8RCRegisterClass) {
+    BuildMI(MBB, MI, Alpha::CPYST, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
   } else {
     std::cerr << "Attempt to copy register that is not GPR or FPR";
      abort();
@@ -314,7 +357,7 @@
                                      MachineBasicBlock &MBB) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
-  assert((MBBI->getOpcode() == Alpha::RET)
+  assert(((MBBI->getOpcode() == Alpha::RET) || (MBBI->getOpcode() == Alpha::RETDAG))
          && "Can only insert epilog into returning blocks");
 
   bool FP = hasFP(MF);


Index: llvm/lib/Target/Alpha/AlphaRegisterInfo.h
diff -u llvm/lib/Target/Alpha/AlphaRegisterInfo.h:1.7 llvm/lib/Target/Alpha/AlphaRegisterInfo.h:1.7.2.1
--- llvm/lib/Target/Alpha/AlphaRegisterInfo.h:1.7	Sun Oct  9 15:11:35 2005
+++ llvm/lib/Target/Alpha/AlphaRegisterInfo.h	Wed Nov 16 12:32:33 2005
@@ -37,6 +37,9 @@
   
   virtual unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
 
+  MachineInstr* foldMemoryOperand(MachineInstr *MI, unsigned OpNum, 
+                                  int FrameIndex) const;
+
   void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
                     unsigned DestReg, unsigned SrcReg,
                     const TargetRegisterClass *RC) const;


Index: llvm/lib/Target/Alpha/AlphaRegisterInfo.td
diff -u llvm/lib/Target/Alpha/AlphaRegisterInfo.td:1.12 llvm/lib/Target/Alpha/AlphaRegisterInfo.td:1.12.2.1
--- llvm/lib/Target/Alpha/AlphaRegisterInfo.td:1.12	Fri Aug 19 13:50:46 2005
+++ llvm/lib/Target/Alpha/AlphaRegisterInfo.td	Wed Nov 16 12:32:33 2005
@@ -82,20 +82,59 @@
 def GPRC : RegisterClass<"Alpha", i64, 64,
      // Volatile
      [R0, R1, R2, R3, R4, R5, R6, R7, R8, R16, R17, R18, R19, R20, R21, R22,
-      R23, R24, R25, 
+      R23, R24, R25, R28, 
      //Special meaning, but volatile
      R27, //procedure address
      R26, //return address
      R29, //global offset table address
      // Non-volatile
-     R9, R10, R11, R12, R13, R14 ]>;
-     // Note: R28 is reserved for the assembler
+     R9, R10, R11, R12, R13, R14,
+     R31 ]> //zero
+{
+  let MethodProtos = [{
+    iterator allocation_order_end(MachineFunction &MF) const;
+  }];
+  let MethodBodies = [{
+    GPRCClass::iterator
+    GPRCClass::allocation_order_end(MachineFunction &MF) const {
+        return end()-1;
+    }
+  }];
+}
 
-// Don't allocate 15, 29, 30, 31
-// Allocation volatiles only for now
-def FPRC : RegisterClass<"Alpha", f64, 64, [F0, F1, 
+def F4RC : RegisterClass<"Alpha", f32, 64, [F0, F1, 
         F10, F11, F12, F13, F14, F15, F16, F17, F18, F19,
         F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F30,
         // Saved:
-        F2, F3, F4, F5, F6, F7, F8, F9
-        ]>;
+        F2, F3, F4, F5, F6, F7, F8, F9,
+        F31 ]> //zero
+{
+  let MethodProtos = [{
+    iterator allocation_order_end(MachineFunction &MF) const;
+  }];
+  let MethodBodies = [{
+    F4RCClass::iterator
+    F4RCClass::allocation_order_end(MachineFunction &MF) const {
+        return end()-1;
+    }
+  }];
+}
+
+def F8RC : RegisterClass<"Alpha", f64, 64, [F0, F1, 
+        F10, F11, F12, F13, F14, F15, F16, F17, F18, F19,
+        F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F30,
+        // Saved:
+        F2, F3, F4, F5, F6, F7, F8, F9,
+        F31 ]> //zero
+{
+  let MethodProtos = [{
+    iterator allocation_order_end(MachineFunction &MF) const;
+  }];
+  let MethodBodies = [{
+    F8RCClass::iterator
+    F8RCClass::allocation_order_end(MachineFunction &MF) const {
+        return end()-1;
+    }
+  }];
+}
+


Index: llvm/lib/Target/Alpha/AlphaSubtarget.cpp
diff -u llvm/lib/Target/Alpha/AlphaSubtarget.cpp:1.3 llvm/lib/Target/Alpha/AlphaSubtarget.cpp:1.3.2.1
--- llvm/lib/Target/Alpha/AlphaSubtarget.cpp:1.3	Sun Oct  2 02:13:52 2005
+++ llvm/lib/Target/Alpha/AlphaSubtarget.cpp	Wed Nov 16 12:32:33 2005
@@ -13,49 +13,13 @@
 
 #include "AlphaSubtarget.h"
 #include "Alpha.h"
-#include "llvm/Module.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Target/SubtargetFeature.h"
-#include "llvm/Support/Debug.h"
-
+#include "AlphaGenSubtarget.inc"
 using namespace llvm;
 
-enum AlphaFeature {
-  AlphaFeatureCIX   = 1 << 0,
-  AlphaFeatureFIX = 1 << 1,
-};
-
-/// Sorted (by key) array of values for CPU subtype.
-static const SubtargetFeatureKV AlphaSubTypeKV[] = {
-  { "ev56"    , "Select the Alpha EV56 processor", 0 },
-  { "ev6"    , "Select the Alpha EV6 processor", AlphaFeatureFIX },
-  { "ev67"    , "Select the Alpha EV67 processor", AlphaFeatureFIX | AlphaFeatureCIX },
-  { "generic", "Select instructions for a generic Alpha processor (EV56)", 0 },
-  { "pca56"    , "Select the Alpha PCA56 processor", 0 },
-};
-
-/// Length of AlphaSubTypeKV.
-static const unsigned AlphaSubTypeKVSize = sizeof(AlphaSubTypeKV)
-                                             / sizeof(SubtargetFeatureKV);
-
-/// Sorted (by key) array of values for CPU features.
-static SubtargetFeatureKV AlphaFeatureKV[] = {
-  { "CIX", "Should CIX extentions be used" , AlphaFeatureCIX },
-  { "FIX"  , "Should FIX extentions be used"  , AlphaFeatureFIX },
- };
-/// Length of AlphaFeatureKV.
-static const unsigned AlphaFeatureKVSize = sizeof(AlphaFeatureKV)
-                                          / sizeof(SubtargetFeatureKV);
-
 AlphaSubtarget::AlphaSubtarget(const Module &M, const std::string &FS)
-  :HasF2I(false), HasCT(false)
-{
+  : HasF2I(false), HasCT(false) {
   std::string CPU = "generic";
-  uint32_t Bits =
-  SubtargetFeatures::Parse(FS, CPU,
-                           AlphaSubTypeKV, AlphaSubTypeKVSize,
-                           AlphaFeatureKV, AlphaFeatureKVSize);
-  HasF2I = (Bits & AlphaFeatureFIX) != 0;
-  HasCT  = (Bits & AlphaFeatureCIX) != 0;
 
+  // Parse features string.
+  ParseSubtargetFeatures(FS, CPU);
 }


Index: llvm/lib/Target/Alpha/AlphaSubtarget.h
diff -u llvm/lib/Target/Alpha/AlphaSubtarget.h:1.1 llvm/lib/Target/Alpha/AlphaSubtarget.h:1.1.2.1
--- llvm/lib/Target/Alpha/AlphaSubtarget.h:1.1	Thu Sep 29 17:54:56 2005
+++ llvm/lib/Target/Alpha/AlphaSubtarget.h	Wed Nov 16 12:32:33 2005
@@ -33,6 +33,10 @@
   /// of the specified module.
   ///
   AlphaSubtarget(const Module &M, const std::string &FS);
+  
+  /// ParseSubtargetFeatures - Parses features string setting specified 
+  /// subtarget options.  Definition of function is auto generated by tblgen.
+  void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
 
   bool hasF2I() const { return HasF2I; }
   bool hasCT() const { return HasCT; }


Index: llvm/lib/Target/Alpha/AlphaTargetMachine.cpp
diff -u llvm/lib/Target/Alpha/AlphaTargetMachine.cpp:1.13 llvm/lib/Target/Alpha/AlphaTargetMachine.cpp:1.13.2.1
--- llvm/lib/Target/Alpha/AlphaTargetMachine.cpp:1.13	Thu Sep 29 17:54:56 2005
+++ llvm/lib/Target/Alpha/AlphaTargetMachine.cpp	Wed Nov 16 12:32:33 2005
@@ -29,8 +29,8 @@
 }
 
 namespace llvm {
-  cl::opt<bool> EnableAlphaLSR("enable-lsr-for-alpha",
-                             cl::desc("Enable LSR for Alpha (beta option!)"),
+  cl::opt<bool> EnableAlphaDAG("enable-dag-isel-for-alpha",
+                             cl::desc("Enable DAG ISEL for Alpha (beta option!)"),
                              cl::Hidden);
 }
 
@@ -48,7 +48,7 @@
            M.getPointerSize() != Module::AnyPointerSize)
     return 0;                                    // Match for some other target
 
-  return 0;
+  return getJITMatchQuality()/2;
 }
 
 unsigned AlphaTargetMachine::getJITMatchQuality() {
@@ -74,13 +74,11 @@
 ///
 bool AlphaTargetMachine::addPassesToEmitFile(PassManager &PM,
                                              std::ostream &Out,
-                                             CodeGenFileType FileType) {
+                                             CodeGenFileType FileType,
+                                             bool Fast) {
   if (FileType != TargetMachine::AssemblyFile) return true;
 
-  if (EnableAlphaLSR) {
-    PM.add(createLoopStrengthReducePass());
-    PM.add(createCFGSimplificationPass());
-  }
+  PM.add(createLoopStrengthReducePass());
 
   // FIXME: Implement efficient support for garbage collection intrinsics.
   PM.add(createLowerGCPass());
@@ -94,7 +92,12 @@
   // Make sure that no unreachable blocks are instruction selected.
   PM.add(createUnreachableBlockEliminationPass());
 
-  PM.add(createAlphaPatternInstructionSelector(*this));
+  PM.add(createCFGSimplificationPass());
+
+  if (EnableAlphaDAG)
+    PM.add(createAlphaISelDag(*this));
+  else
+    PM.add(createAlphaPatternInstructionSelector(*this));
 
   if (PrintMachineCode)
     PM.add(createMachineFunctionPrinterPass(&std::cerr));
@@ -117,10 +120,8 @@
 
 void AlphaJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
 
-  if (EnableAlphaLSR) {
-    PM.add(createLoopStrengthReducePass());
-    PM.add(createCFGSimplificationPass());
-  }
+  PM.add(createLoopStrengthReducePass());
+  PM.add(createCFGSimplificationPass());
 
   // FIXME: Implement efficient support for garbage collection intrinsics.
   PM.add(createLowerGCPass());


Index: llvm/lib/Target/Alpha/AlphaTargetMachine.h
diff -u llvm/lib/Target/Alpha/AlphaTargetMachine.h:1.10 llvm/lib/Target/Alpha/AlphaTargetMachine.h:1.10.2.1
--- llvm/lib/Target/Alpha/AlphaTargetMachine.h:1.10	Thu Sep 29 17:54:56 2005
+++ llvm/lib/Target/Alpha/AlphaTargetMachine.h	Wed Nov 16 12:32:33 2005
@@ -48,17 +48,11 @@
 
   static unsigned getJITMatchQuality();
 
-  /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
-  /// get machine code emitted.  This uses a MachineCodeEmitter object to handle
-  /// actually outputting the machine code and resolving things like the address
-  /// of functions.  This method should returns true if machine code emission is
-  /// not supported.
-  ///
   virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM,
                                           MachineCodeEmitter &MCE);
 
   virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
-                                   CodeGenFileType FileType);
+                                   CodeGenFileType FileType, bool Fast);
 
   static unsigned getModuleMatchQuality(const Module &M);
 };


Index: llvm/lib/Target/Alpha/Makefile
diff -u llvm/lib/Target/Alpha/Makefile:1.2 llvm/lib/Target/Alpha/Makefile:1.2.4.1
--- llvm/lib/Target/Alpha/Makefile:1.2	Mon Feb 21 22:58:26 2005
+++ llvm/lib/Target/Alpha/Makefile	Wed Nov 16 12:32:33 2005
@@ -14,6 +14,7 @@
 BUILT_SOURCES = AlphaGenRegisterInfo.h.inc AlphaGenRegisterNames.inc \
                 AlphaGenRegisterInfo.inc AlphaGenInstrNames.inc \
                 AlphaGenInstrInfo.inc AlphaGenCodeEmitter.inc \
-                AlphaGenAsmWriter.inc
+                AlphaGenAsmWriter.inc AlphaGenDAGISel.inc \
+                AlphaGenSubtarget.inc
 
 include $(LEVEL)/Makefile.common






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