Add a few Subzero intrinsics (not the atomic ones yet).

src/IceTargetLoweringX8632.h

 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the TargetLoweringX8632 class, which
@@ skipping 52 matching lines @@
 
   enum Registers {
 #define X(val, init, name, name16, name8, scratch, preserved, stackptr,        \
           frameptr, isI8, isInt, isFP)                                         \
   val init,
     REGX8632_TABLE
 #undef X
         Reg_NUM
   };
 
+  enum SegmentRegisters {
+#define X(val, name)                                                           \
+    val,
+      SEG_REGX8632_TABLE
+#undef X
+    SegReg_NUM
+  };
+
 protected:
   TargetX8632(Cfg *Func);
 
   virtual void postLower();
 
   virtual void lowerAlloca(const InstAlloca *Inst);
   virtual void lowerArithmetic(const InstArithmetic *Inst);
   virtual void lowerAssign(const InstAssign *Inst);
   virtual void lowerBr(const InstBr *Inst);
   virtual void lowerCall(const InstCall *Inst);
   virtual void lowerCast(const InstCast *Inst);
   virtual void lowerFcmp(const InstFcmp *Inst);
   virtual void lowerIcmp(const InstIcmp *Inst);
+  virtual void lowerIntrinsicCall(const InstIntrinsicCall *Inst);
   virtual void lowerLoad(const InstLoad *Inst);
   virtual void lowerPhi(const InstPhi *Inst);
   virtual void lowerRet(const InstRet *Inst);
   virtual void lowerSelect(const InstSelect *Inst);
   virtual void lowerStore(const InstStore *Inst);
   virtual void lowerSwitch(const InstSwitch *Inst);
   virtual void lowerUnreachable(const InstUnreachable *Inst);
   virtual void doAddressOptLoad();
   virtual void doAddressOptStore();
 
@@ skipping 143 matching lines @@
   }
   void _subss(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Subss::create(Func, Dest, Src0));
   }
   void _test(Operand *Src0, Operand *Src1) {
     Context.insert(InstX8632Test::create(Func, Src0, Src1));
   }
   void _ucomiss(Operand *Src0, Operand *Src1) {
     Context.insert(InstX8632Ucomiss::create(Func, Src0, Src1));
   }
+  void _ud2() {
+    Context.insert(InstX8632UD2::create(Func));
+  }
   void _xor(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Xor::create(Func, Dest, Src0));
   }
 
   bool IsEbpBasedFrame;
   size_t FrameSizeLocals;
   size_t LocalsSizeBytes;
   llvm::SmallBitVector TypeToRegisterSet[IceType_NUM];
   llvm::SmallBitVector ScratchRegs;
   llvm::SmallBitVector RegsUsed;
   SizeT NextLabelNumber;
   bool ComputedLiveRanges;
   VarList PhysicalRegisters;
   static IceString RegNames[];
 
 private:
   TargetX8632(const TargetX8632 &) LLVM_DELETED_FUNCTION;
   TargetX8632 &operator=(const TargetX8632 &) LLVM_DELETED_FUNCTION;
   virtual ~TargetX8632() {}
   template <typename T> void emitConstantPool() const;
 };
 
 template <> void ConstantFloat::emit(GlobalContext *Ctx) const;
 template <> void ConstantDouble::emit(GlobalContext *Ctx) const;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H