Port number-dictionary probing in generated code to x64.

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 724 matching lines @@
   // Divide rdx:rax by src.  Quotient in rax, remainder in rdx.
   void idivq(Register src);
   // Divide edx:eax by lower 32 bits of src.  Quotient in eax, rem. in edx.
   void idivl(Register src);
 
   // Signed multiply instructions.
   void imul(Register src);                               // rdx:rax = rax * src.
   void imul(Register dst, Register src);                 // dst = dst * src.
   void imul(Register dst, const Operand& src);           // dst = dst * src.
   void imul(Register dst, Register src, Immediate imm);  // dst = src * imm.
-  // Multiply 32 bit registers
+  // Signed 32-bit multiply instructions.
   void imull(Register dst, Register src);                // dst = dst * src.
+  void imull(Register dst, Register src, Immediate imm); // dst = src * imm.
 
   void incq(Register dst);
   void incq(const Operand& dst);
   void incl(const Operand& dst);
 
   void lea(Register dst, const Operand& src);
+  void leal(Register dst, const Operand& src);
 
   // Multiply rax by src, put the result in rdx:rax.
   void mul(Register src);
 
   void neg(Register dst);
   void neg(const Operand& dst);
   void negl(Register dst);
 
   void not_(Register dst);
   void not_(const Operand& dst);
+  void notl(Register dst);
 
   void or_(Register dst, Register src) {
     arithmetic_op(0x0B, dst, src);
   }
 
   void orl(Register dst, Register src) {
     arithmetic_op_32(0x0B, dst, src);
   }
 
   void or_(Register dst, const Operand& src) {
@@ skipping 600 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_