Eliminate unused function KeyedStoreIC::GenerateExtendStorage, and unused par...

src/x64/ic-x64.cc

 // Copyright 2010 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 593 matching lines @@
   __ push(Operand(rsp, 1 * kPointerSize));  // receiver
   __ push(Operand(rsp, 1 * kPointerSize));  // key
   __ push(rax);  // value
   __ push(rcx);  // return address
 
   // Do tail-call to runtime routine.
   __ TailCallRuntime(ExternalReference(Runtime::kSetProperty), 3, 1);
 }
 
 
-void KeyedStoreIC::GenerateExtendStorage(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- rax     : value
-  //  -- rcx     : transition map
-  //  -- rsp[0]  : return address
-  //  -- rsp[8]  : key
-  //  -- rsp[16] : receiver
-  // -----------------------------------
-
-  __ pop(rbx);
-  __ push(Operand(rsp, 1 * kPointerSize));  // receiver
-  __ push(rcx);  // transition map
-  __ push(rax);  // value
-  __ push(rbx);  // return address
-
-  // Do tail-call to runtime routine.
-  __ TailCallRuntime(
-      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3, 1);
-}
-
-
 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rsp[0] : return address
   //  -- rsp[8] : key
   //  -- rsp[16] : receiver
   // -----------------------------------
   Label slow, fast, array, extra, check_pixel_array;
 
   // Get the receiver from the stack.
@@ skipping 656 matching lines @@
   Label miss;
 
   __ movq(rax, Operand(rsp, kPointerSize));
 
   StubCompiler::GenerateLoadStringLength(masm, rax, rdx, rbx, &miss);
   __ bind(&miss);
   StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC);
 }
 
 
-
 bool LoadIC::PatchInlinedLoad(Address address, Object* map, int offset) {
   // The address of the instruction following the call.
   Address test_instruction_address =
       address + Assembler::kCallTargetAddressOffset;
   // If the instruction following the call is not a test eax, nothing
   // was inlined.
   if (*test_instruction_address != kTestEaxByte) return false;
 
   Address delta_address = test_instruction_address + 1;
   // The delta to the start of the map check instruction.
   int delta = *reinterpret_cast<int*>(delta_address);
 
   // The map address is the last 8 bytes of the 10-byte
   // immediate move instruction, so we add 2 to get the
   // offset to the last 8 bytes.
   Address map_address = test_instruction_address + delta + 2;
   *(reinterpret_cast<Object**>(map_address)) = map;
 
   // The offset is in the 32-bit displacement of a seven byte
   // memory-to-register move instruction (REX.W 0x88 ModR/M disp32),
   // so we add 3 to get the offset of the displacement.
   Address offset_address =
       test_instruction_address + delta + kOffsetToLoadInstruction + 3;
   *reinterpret_cast<int*>(offset_address) = offset - kHeapObjectTag;
   return true;
 }
 
+
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rcx    : name
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
 
   __ pop(rbx);
   __ push(rdx);  // receiver
   __ push(rcx);  // name
   __ push(rax);  // value
   __ push(rbx);  // return address
 
   // Perform tail call to the entry.
   __ TailCallRuntime(ExternalReference(IC_Utility(kStoreIC_Miss)), 3, 1);
 }
 
-void StoreIC::GenerateExtendStorage(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- rax    : value
-  //  -- rcx    : Map (target of map transition)
-  //  -- rdx    : receiver
-  //  -- rsp[0] : return address
-  // -----------------------------------
-
-  __ pop(rbx);
-  __ push(rdx);  // receiver
-  __ push(rcx);  // transition map
-  __ push(rax);  // value
-  __ push(rbx);  // return address
-
-  // Perform tail call to the entry.
-  __ TailCallRuntime(
-      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3, 1);
-}
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rcx    : name
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
 
   // Get the receiver from the stack and probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(Code::STORE_IC,
                                          NOT_IN_LOOP,
                                          MONOMORPHIC);
   StubCache::GenerateProbe(masm, flags, rdx, rcx, rbx, no_reg);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal