[turbofan] Support for %_DoubleHi, %_DoubleLo and %_ConstructDouble.

src/x64/assembler-x64.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 1046 matching lines @@
   void subps(XMMRegister dst, const Operand& src);
   void mulps(XMMRegister dst, XMMRegister src);
   void mulps(XMMRegister dst, const Operand& src);
   void divps(XMMRegister dst, XMMRegister src);
   void divps(XMMRegister dst, const Operand& src);
 
   void movmskps(Register dst, XMMRegister src);
 
   // SSE2 instructions
   void movd(XMMRegister dst, Register src);
+  void movd(XMMRegister dst, const Operand& src);
   void movd(Register dst, XMMRegister src);
   void movq(XMMRegister dst, Register src);
   void movq(Register dst, XMMRegister src);
   void movq(XMMRegister dst, XMMRegister src);
 
   // Don't use this unless it's important to keep the
   // top half of the destination register unchanged.
   // Used movaps when moving double values and movq for integer
   // values in xmm registers.
   void movsd(XMMRegister dst, XMMRegister src);
@@ skipping 48 matching lines @@
   void sqrtsd(XMMRegister dst, XMMRegister src);
   void sqrtsd(XMMRegister dst, const Operand& src);
 
   void ucomisd(XMMRegister dst, XMMRegister src);
   void ucomisd(XMMRegister dst, const Operand& src);
   void cmpltsd(XMMRegister dst, XMMRegister src);
   void pcmpeqd(XMMRegister dst, XMMRegister src);
 
   void movmskpd(Register dst, XMMRegister src);
 
+  void punpckldq(XMMRegister dst, XMMRegister src);
+  void punpckhdq(XMMRegister dst, XMMRegister src);
+
   // SSE 4.1 instruction
   void extractps(Register dst, XMMRegister src, byte imm8);
 
+  void pextrd(Register dst, XMMRegister src, int8_t imm8);
+
+  void pinsrd(XMMRegister dst, Register src, int8_t imm8);
+  void pinsrd(XMMRegister dst, const Operand& src, int8_t imm8);
+
   enum RoundingMode {
     kRoundToNearest = 0x0,
     kRoundDown      = 0x1,
     kRoundUp        = 0x2,
     kRoundToZero    = 0x3
   };
 
   void roundsd(XMMRegister dst, XMMRegister src, RoundingMode mode);
 
   // AVX instruction
@@ skipping 706 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_