PPC64: Implemented the Word64Popcnt TurboFan operator.

src/ppc/assembler-ppc.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 889 matching lines @@
   void clrldi(Register dst, Register src, const Operand& val,
               RCBit rc = LeaveRC);
   void sradi(Register ra, Register rs, int sh, RCBit r = LeaveRC);
   void srd(Register dst, Register src1, Register src2, RCBit r = LeaveRC);
   void sld(Register dst, Register src1, Register src2, RCBit r = LeaveRC);
   void srad(Register dst, Register src1, Register src2, RCBit r = LeaveRC);
   void rotld(Register ra, Register rs, Register rb, RCBit r = LeaveRC);
   void rotldi(Register ra, Register rs, int sh, RCBit r = LeaveRC);
   void rotrdi(Register ra, Register rs, int sh, RCBit r = LeaveRC);
   void cntlzd_(Register dst, Register src, RCBit rc = LeaveRC);
+  void popcntd(Register dst, Register src);
   void mulld(Register dst, Register src1, Register src2, OEBit o = LeaveOE,
              RCBit r = LeaveRC);
   void divd(Register dst, Register src1, Register src2, OEBit o = LeaveOE,
             RCBit r = LeaveRC);
   void divdu(Register dst, Register src1, Register src2, OEBit o = LeaveOE,
              RCBit r = LeaveRC);
 #endif
 
   void rlwinm(Register ra, Register rs, int sh, int mb, int me,
               RCBit rc = LeaveRC);
@@ skipping 525 matching lines @@
 
 
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) { assembler->CheckBuffer(); }
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PPC_ASSEMBLER_PPC_H_