PPC64: Implemented the Word64Popcnt TurboFan operator.

src/ppc/assembler-ppc.cc

 // 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 1458 matching lines @@
 void Assembler::rotrdi(Register ra, Register rs, int sh, RCBit r) {
   rldicl(ra, rs, 64 - sh, 0, r);
 }
 
 
 void Assembler::cntlzd_(Register ra, Register rs, RCBit rc) {
   x_form(EXT2 | CNTLZDX, ra, rs, r0, rc);
 }
 
 
+void Assembler::popcntd(Register ra, Register rs) {
+  emit(EXT2 | POPCNTD | rs.code() * B21 | ra.code() * B16);
+}
+
+
 void Assembler::mulld(Register dst, Register src1, Register src2, OEBit o,
                       RCBit r) {
   xo_form(EXT2 | MULLD, dst, src1, src2, o, r);
 }
 
 
 void Assembler::divd(Register dst, Register src1, Register src2, OEBit o,
                      RCBit r) {
   xo_form(EXT2 | DIVD, dst, src1, src2, o, r);
 }
@@ skipping 931 matching lines @@
 
     trampoline_ = Trampoline(pc_offset() - size, tracked_branch_count_);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC