Lower insertelement and extractelement.

src/IceInstX8632.h

 //===- subzero/src/IceInstX8632.h - Low-level x86 instructions --*- 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 InstX8632 and OperandX8632 classes and
@@ skipping 138 matching lines @@
     Cvt,
     Div,
     Divps,
     Divss,
     Fld,
     Fstp,
     Icmp,
     Idiv,
     Imul,
     Label,
+    Lea,
     Load,
     Mfence,
     Mov,
+    Movd,
     Movp,
     Movq,
+    Movss,
     Movsx,
     Movzx,
     Mul,
     Mulps,
     Mulss,
     Neg,
     Or,
     Pand,
     Pcmpeq,
     Pcmpgt,
+    Pextrw,
+    Pinsrw,
     Pop,
+    Pshufd,
     Push,
     Psll,
     Psra,
     Psub,
     Pxor,
     Ret,
     Sar,
     Sbb,
     Shl,
     Shld,
     Shr,
     Shrd,
+    Shufps,
     Sqrtss,
     Store,
     StoreQ,
     Sub,
     Subps,
     Subss,
     Test,
     Ucomiss,
     UD2,
     Xadd,
@@ skipping 220 matching lines @@
   // Create a ternary-op instruction like div or idiv.
   static InstX8632Ternop *create(Cfg *Func, Variable *Dest, Operand *Source1,
                                  Operand *Source2) {
     return new (Func->allocate<InstX8632Ternop>())
         InstX8632Ternop(Func, Dest, Source1, Source2);
   }
   virtual void emit(const Cfg *Func) const {
     Ostream &Str = Func->getContext()->getStrEmit();
     assert(getSrcSize() == 3);
     Str << "\t" << Opcode << "\t";
+    getDest()->emit(Func);

[Jim Stichnoth, 2014/07/17 19:49:01]

Hmm, do the existing div/idiv instructions still emit the right asm syntax with
these changes?
[EDIT] oh, now I see the template specialization in the other file, nice.

+    Str << ", ";
     getSrc(1)->emit(Func);
+    Str << ", ";
+    getSrc(2)->emit(Func);
     Str << "\n";
   }
   virtual void dump(const Cfg *Func) const {
     Ostream &Str = Func->getContext()->getStrDump();
     dumpDest(Func);
     Str << " = " << Opcode << "." << getDest()->getType() << " ";
     dumpSources(Func);
   }
   static bool classof(const Inst *Inst) { return isClassof(Inst, K); }
 
 private:
   InstX8632Ternop(Cfg *Func, Variable *Dest, Operand *Source1, Operand *Source2)
       : InstX8632(Func, K, 3, Dest) {
     addSource(Dest);
     addSource(Source1);
     addSource(Source2);
   }
   InstX8632Ternop(const InstX8632Ternop &) LLVM_DELETED_FUNCTION;
   InstX8632Ternop &operator=(const InstX8632Ternop &) LLVM_DELETED_FUNCTION;
   virtual ~InstX8632Ternop() {}
   static const char *Opcode;
 };
 
+// Instructions of the form x := y op z
+template <InstX8632::InstKindX8632 K>
+class InstX8632ThreeAddressop : public InstX8632 {
+public:
+  static InstX8632ThreeAddressop *create(Cfg *Func, Variable *Dest,
+                                         Operand *Source0, Operand *Source1) {
+    return new (Func->allocate<InstX8632ThreeAddressop>())
+        InstX8632ThreeAddressop(Func, Dest, Source0, Source1);
+  }
+  virtual void emit(const Cfg *Func) const {
+    Ostream &Str = Func->getContext()->getStrEmit();
+    assert(getSrcSize() == 2);
+    Str << "\t" << Opcode << "\t";
+    getDest()->emit(Func);
+    Str << ", ";
+    getSrc(0)->emit(Func);
+    Str << ", ";
+    getSrc(1)->emit(Func);
+    Str << "\n";
+  }
+  virtual void dump(const Cfg *Func) const {
+    Ostream &Str = Func->getContext()->getStrDump();
+    dumpDest(Func);
+    Str << " = " << Opcode << "." << getDest()->getType() << " ";
+    dumpSources(Func);
+  }
+  static bool classof(const Inst *Inst) { return isClassof(Inst, K); }
+
+private:
+  InstX8632ThreeAddressop(Cfg *Func, Variable *Dest, Operand *Source0,
+                          Operand *Source1)
+      : InstX8632(Func, K, 2, Dest) {
+    addSource(Source0);
+    addSource(Source1);
+  }
+  InstX8632ThreeAddressop(const InstX8632ThreeAddressop &)
+      LLVM_DELETED_FUNCTION;
+  InstX8632ThreeAddressop &
+  operator=(const InstX8632ThreeAddressop &) LLVM_DELETED_FUNCTION;
+  virtual ~InstX8632ThreeAddressop() {}
+  static const char *Opcode;
+};
+
 typedef InstX8632Unaryop<InstX8632::Bsf> InstX8632Bsf;
 typedef InstX8632Unaryop<InstX8632::Bsr> InstX8632Bsr;
+typedef InstX8632Unaryop<InstX8632::Lea> InstX8632Lea;
+typedef InstX8632Unaryop<InstX8632::Movd> InstX8632Movd;
+typedef InstX8632Unaryop<InstX8632::Movss> InstX8632Movss;
 typedef InstX8632Unaryop<InstX8632::Sqrtss> InstX8632Sqrtss;
 typedef InstX8632Binop<InstX8632::Add> InstX8632Add;
 typedef InstX8632Binop<InstX8632::Addps> InstX8632Addps;
 typedef InstX8632Binop<InstX8632::Adc> InstX8632Adc;
 typedef InstX8632Binop<InstX8632::Addss> InstX8632Addss;
 typedef InstX8632Binop<InstX8632::Sub> InstX8632Sub;
 typedef InstX8632Binop<InstX8632::Subps> InstX8632Subps;
 typedef InstX8632Binop<InstX8632::Subss> InstX8632Subss;
 typedef InstX8632Binop<InstX8632::Sbb> InstX8632Sbb;
 typedef InstX8632Binop<InstX8632::Psub> InstX8632Psub;
 typedef InstX8632Binop<InstX8632::And> InstX8632And;
 typedef InstX8632Binop<InstX8632::Pand> InstX8632Pand;
 typedef InstX8632Binop<InstX8632::Or> InstX8632Or;
 typedef InstX8632Binop<InstX8632::Xor> InstX8632Xor;
 typedef InstX8632Binop<InstX8632::Pxor> InstX8632Pxor;
 typedef InstX8632Binop<InstX8632::Imul> InstX8632Imul;
 typedef InstX8632Binop<InstX8632::Mulps> InstX8632Mulps;
 typedef InstX8632Binop<InstX8632::Mulss> InstX8632Mulss;
 typedef InstX8632Binop<InstX8632::Divps> InstX8632Divps;
 typedef InstX8632Binop<InstX8632::Divss> InstX8632Divss;
 typedef InstX8632Binop<InstX8632::Shl, true> InstX8632Shl;
 typedef InstX8632Binop<InstX8632::Psll> InstX8632Psll;
 typedef InstX8632Binop<InstX8632::Shr, true> InstX8632Shr;
 typedef InstX8632Binop<InstX8632::Sar, true> InstX8632Sar;
 typedef InstX8632Binop<InstX8632::Psra> InstX8632Psra;
 typedef InstX8632Binop<InstX8632::Pcmpeq> InstX8632Pcmpeq;
 typedef InstX8632Binop<InstX8632::Pcmpgt> InstX8632Pcmpgt;
 typedef InstX8632Ternop<InstX8632::Idiv> InstX8632Idiv;
 typedef InstX8632Ternop<InstX8632::Div> InstX8632Div;
+typedef InstX8632Ternop<InstX8632::Pinsrw> InstX8632Pinsrw;
+typedef InstX8632Ternop<InstX8632::Shufps> InstX8632Shufps;
+typedef InstX8632ThreeAddressop<InstX8632::Pextrw> InstX8632Pextrw;
+typedef InstX8632ThreeAddressop<InstX8632::Pshufd> InstX8632Pshufd;
 
 // Base class for a lockable x86-32 instruction (emits a locked prefix).
 class InstX8632Lockable : public InstX8632 {
 public:
   virtual void emit(const Cfg *Func) const = 0;
   virtual void dump(const Cfg *Func) const;
 
 protected:
   bool Locked;
 
@@ skipping 556 matching lines @@
 private:
   InstX8632Xchg(Cfg *Func, Operand *Dest, Variable *Source);
   InstX8632Xchg(const InstX8632Xchg &) LLVM_DELETED_FUNCTION;
   InstX8632Xchg &operator=(const InstX8632Xchg &) LLVM_DELETED_FUNCTION;
   virtual ~InstX8632Xchg() {}
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTX8632_H