[stubs] Drop StoreICStub and StoreICTrampolineStub (the non-TurboFan implementations of StoreIC dis…

src/x87/code-stubs-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 2989 matching lines @@
   // If the name comparison succeeded, we know we have a fixed array with
   // at least one map/handler pair.
   __ mov(feedback, FieldOperand(vector, slot, times_half_pointer_size,
                                 FixedArray::kHeaderSize + kPointerSize));
   HandleArrayCases(masm, receiver, key, vector, slot, feedback, false, &miss);
 
   __ bind(&miss);
   KeyedLoadIC::GenerateMiss(masm);
 }
 
-void StoreICTrampolineStub::Generate(MacroAssembler* masm) {
-  __ EmitLoadTypeFeedbackVector(StoreWithVectorDescriptor::VectorRegister());
-  StoreICStub stub(isolate(), state());
-  stub.GenerateForTrampoline(masm);
-}
-
 void KeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) {
   __ EmitLoadTypeFeedbackVector(StoreWithVectorDescriptor::VectorRegister());
   KeyedStoreICStub stub(isolate(), state());
   stub.GenerateForTrampoline(masm);
 }
 
-void StoreICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); }
-
-void StoreICStub::GenerateForTrampoline(MacroAssembler* masm) {
-  GenerateImpl(masm, true);
-}
-
-
 // value is on the stack already.
 static void HandlePolymorphicStoreCase(MacroAssembler* masm, Register receiver,
                                        Register key, Register vector,
                                        Register slot, Register feedback,
                                        bool is_polymorphic, Label* miss) {
   // feedback initially contains the feedback array
   Label next, next_loop, prepare_next;
   Label load_smi_map, compare_map;
   Label start_polymorphic;
   Label pop_and_miss;
@@ skipping 96 matching lines @@
   __ bind(&compare_smi_map);
   __ CompareRoot(ic_map, Heap::kHeapNumberMapRootIndex);
   __ j(not_equal, miss);
   __ mov(weak_cell, FieldOperand(vector, slot, times_half_pointer_size,
                                  FixedArray::kHeaderSize + kPointerSize));
   __ lea(weak_cell, FieldOperand(weak_cell, Code::kHeaderSize));
   // jump to the handler.
   __ jmp(weak_cell);
 }
 
-void StoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) {
-  Register receiver = StoreWithVectorDescriptor::ReceiverRegister();  // edx
-  Register key = StoreWithVectorDescriptor::NameRegister();           // ecx
-  Register value = StoreWithVectorDescriptor::ValueRegister();        // eax
-  Register vector = StoreWithVectorDescriptor::VectorRegister();      // ebx
-  Register slot = StoreWithVectorDescriptor::SlotRegister();          // edi
-  Label miss;
-
-  if (StoreWithVectorDescriptor::kPassLastArgsOnStack) {
-    // Current stack layout:
-    // - esp[8]    -- value
-    // - esp[4]    -- slot
-    // - esp[0]    -- return address
-    STATIC_ASSERT(StoreDescriptor::kStackArgumentsCount == 2);
-    STATIC_ASSERT(StoreWithVectorDescriptor::kStackArgumentsCount == 3);
-    if (in_frame) {
-      __ RecordComment("[ StoreDescriptor -> StoreWithVectorDescriptor");
-      // If the vector is not on the stack, then insert the vector beneath
-      // return address in order to prepare for calling handler with
-      // StoreWithVector calling convention.
-      __ push(Operand(esp, 0));
-      __ mov(Operand(esp, 4), StoreWithVectorDescriptor::VectorRegister());
-      __ RecordComment("]");
-    } else {
-      __ mov(vector, Operand(esp, 1 * kPointerSize));
-    }
-    __ mov(slot, Operand(esp, 2 * kPointerSize));
-  }
-
-  Register scratch = value;
-  __ mov(scratch, FieldOperand(vector, slot, times_half_pointer_size,
-                               FixedArray::kHeaderSize));
-
-  // Is it a weak cell?
-  Label try_array;
-  Label not_array, smi_key, key_okay;
-  __ CompareRoot(FieldOperand(scratch, 0), Heap::kWeakCellMapRootIndex);
-  __ j(not_equal, &try_array);
-  HandleMonomorphicStoreCase(masm, receiver, key, vector, slot, scratch, &miss);
-
-  // Is it a fixed array?
-  __ bind(&try_array);
-  __ CompareRoot(FieldOperand(scratch, 0), Heap::kFixedArrayMapRootIndex);
-  __ j(not_equal, &not_array);
-  HandlePolymorphicStoreCase(masm, receiver, key, vector, slot, scratch, true,
-                             &miss);
-
-  __ bind(&not_array);
-  __ CompareRoot(scratch, Heap::kmegamorphic_symbolRootIndex);
-  __ j(not_equal, &miss);
-
-  masm->isolate()->store_stub_cache()->GenerateProbe(masm, receiver, key, slot,
-                                                     no_reg);
-  __ bind(&miss);
-  StoreIC::GenerateMiss(masm);
-}
-
 void KeyedStoreICStub::Generate(MacroAssembler* masm) {
   GenerateImpl(masm, false);
 }
 
 void KeyedStoreICStub::GenerateForTrampoline(MacroAssembler* masm) {
   GenerateImpl(masm, true);
 }
 
 
 static void HandlePolymorphicKeyedStoreCase(MacroAssembler* masm,
@@ skipping 1730 matching lines @@
                            kStackUnwindSpace, nullptr, return_value_operand,
                            NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87