Removing FLAG_vector_ics.

src/x64/code-stubs-x64.cc

 // Copyright 2013 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 509 matching lines @@
     __ ret(0);
   }
 }
 
 
 void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
   Label miss;
   Register receiver = LoadDescriptor::ReceiverRegister();
   // Ensure that the vector and slot registers won't be clobbered before
   // calling the miss handler.
-  DCHECK(!FLAG_vector_ics ||
-         !AreAliased(r8, r9, VectorLoadICDescriptor::VectorRegister(),
+  DCHECK(!AreAliased(r8, r9, VectorLoadICDescriptor::VectorRegister(),
                      VectorLoadICDescriptor::SlotRegister()));
 
   NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, r8,
                                                           r9, &miss);
   __ bind(&miss);
   PropertyAccessCompiler::TailCallBuiltin(
       masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC));
 }
 
 
@@ skipping 364 matching lines @@
 
 void LoadIndexedStringStub::Generate(MacroAssembler* masm) {
   // Return address is on the stack.
   Label miss;
 
   Register receiver = LoadDescriptor::ReceiverRegister();
   Register index = LoadDescriptor::NameRegister();
   Register scratch = rdi;
   Register result = rax;
   DCHECK(!scratch.is(receiver) && !scratch.is(index));
-  DCHECK(!FLAG_vector_ics ||
-         (!scratch.is(VectorLoadICDescriptor::VectorRegister()) &&
-          result.is(VectorLoadICDescriptor::SlotRegister())));
+  DCHECK(!scratch.is(VectorLoadICDescriptor::VectorRegister()) &&
+         result.is(VectorLoadICDescriptor::SlotRegister()));
 
   // StringCharAtGenerator doesn't use the result register until it's passed
   // the different miss possibilities. If it did, we would have a conflict
   // when FLAG_vector_ics is true.
   StringCharAtGenerator char_at_generator(receiver, index, scratch, result,
                                           &miss,  // When not a string.
                                           &miss,  // When not a number.
                                           &miss,  // When index out of range.
                                           STRING_INDEX_IS_ARRAY_INDEX,
                                           RECEIVER_IS_STRING);
@@ skipping 1992 matching lines @@
 
   Factory* factory = masm->isolate()->factory();
   // Index is not a smi.
   __ bind(&index_not_smi_);
   // If index is a heap number, try converting it to an integer.
   __ CheckMap(index_,
               factory->heap_number_map(),
               index_not_number_,
               DONT_DO_SMI_CHECK);
   call_helper.BeforeCall(masm);
-  if (FLAG_vector_ics && embed_mode == PART_OF_IC_HANDLER) {
+  if (embed_mode == PART_OF_IC_HANDLER) {
     __ Push(VectorLoadICDescriptor::VectorRegister());
     __ Push(VectorLoadICDescriptor::SlotRegister());
   }
   __ Push(object_);
   __ Push(index_);  // Consumed by runtime conversion function.
   if (index_flags_ == STRING_INDEX_IS_NUMBER) {
     __ CallRuntime(Runtime::kNumberToIntegerMapMinusZero, 1);
   } else {
     DCHECK(index_flags_ == STRING_INDEX_IS_ARRAY_INDEX);
     // NumberToSmi discards numbers that are not exact integers.
     __ CallRuntime(Runtime::kNumberToSmi, 1);
   }
   if (!index_.is(rax)) {
     // Save the conversion result before the pop instructions below
     // have a chance to overwrite it.
     __ movp(index_, rax);
   }
   __ Pop(object_);
-  if (FLAG_vector_ics && embed_mode == PART_OF_IC_HANDLER) {
+  if (embed_mode == PART_OF_IC_HANDLER) {
     __ Pop(VectorLoadICDescriptor::SlotRegister());
     __ Pop(VectorLoadICDescriptor::VectorRegister());
   }
   // Reload the instance type.
   __ movp(result_, FieldOperand(object_, HeapObject::kMapOffset));
   __ movzxbl(result_, FieldOperand(result_, Map::kInstanceTypeOffset));
   call_helper.AfterCall(masm);
   // If index is still not a smi, it must be out of range.
   __ JumpIfNotSmi(index_, index_out_of_range_);
   // Otherwise, return to the fast path.
@@ skipping 2401 matching lines @@
   CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, getter_arg,
                            kStackSpace, nullptr, return_value_operand, NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64