A64: Synchronize with r18581.

src/x64/code-stubs-x64.cc

 // Copyright 2013 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 2332 matching lines @@
 }
 
 
 void CallFunctionStub::Generate(MacroAssembler* masm) {
   // rbx : cache cell for call target
   // rdi : the function to call
   Isolate* isolate = masm->isolate();
   Label slow, non_function;
   StackArgumentsAccessor args(rsp, argc_);
 
-  // The receiver might implicitly be the global object. This is
-  // indicated by passing the hole as the receiver to the call
-  // function stub.
-  if (ReceiverMightBeImplicit()) {
-    Label call;
-    // Get the receiver from the stack.
-    __ movq(rax, args.GetReceiverOperand());
-    // Call as function is indicated with the hole.
-    __ CompareRoot(rax, Heap::kTheHoleValueRootIndex);
-    __ j(not_equal, &call, Label::kNear);
-    // Patch the receiver on the stack with the global receiver object.
-    __ movq(rcx, GlobalObjectOperand());
-    __ movq(rcx, FieldOperand(rcx, GlobalObject::kGlobalReceiverOffset));
-    __ movq(args.GetReceiverOperand(), rcx);
-    __ bind(&call);
-  }
-
   // Check that the function really is a JavaScript function.
   __ JumpIfSmi(rdi, &non_function);
+
   // Goto slow case if we do not have a function.
   __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx);
   __ j(not_equal, &slow);
 
   if (RecordCallTarget()) {
     GenerateRecordCallTarget(masm);
   }
 
   // Fast-case: Just invoke the function.
   ParameterCount actual(argc_);
 
-  if (ReceiverMightBeImplicit()) {
-    Label call_as_function;
-    __ CompareRoot(rax, Heap::kTheHoleValueRootIndex);
-    __ j(equal, &call_as_function);
-    __ InvokeFunction(rdi,
-                      actual,
-                      JUMP_FUNCTION,
-                      NullCallWrapper(),
-                      CALL_AS_METHOD);
-    __ bind(&call_as_function);
-  }
   __ InvokeFunction(rdi,
                     actual,
                     JUMP_FUNCTION,
                     NullCallWrapper(),
                     CALL_AS_FUNCTION);
 
   // Slow-case: Non-function called.
   __ bind(&slow);
   if (RecordCallTarget()) {
     // If there is a call target cache, mark it megamorphic in the
     // non-function case.  MegamorphicSentinel is an immortal immovable
     // object (undefined) so no write barrier is needed.
     __ Move(FieldOperand(rbx, Cell::kValueOffset),
             TypeFeedbackCells::MegamorphicSentinel(isolate));
   }
   // Check for function proxy.
   __ CmpInstanceType(rcx, JS_FUNCTION_PROXY_TYPE);
   __ j(not_equal, &non_function);
   __ PopReturnAddressTo(rcx);
   __ push(rdi);  // put proxy as additional argument under return address
   __ PushReturnAddressFrom(rcx);
   __ Set(rax, argc_ + 1);
   __ Set(rbx, 0);
-  __ SetCallKind(rcx, CALL_AS_METHOD);
+  __ SetCallKind(rcx, CALL_AS_FUNCTION);
   __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY);
   {
     Handle<Code> adaptor =
       masm->isolate()->builtins()->ArgumentsAdaptorTrampoline();
     __ jmp(adaptor, RelocInfo::CODE_TARGET);
   }
 
   // CALL_NON_FUNCTION expects the non-function callee as receiver (instead
   // of the original receiver from the call site).
   __ bind(&non_function);
   __ movq(args.GetReceiverOperand(), rdi);
   __ Set(rax, argc_);
   __ Set(rbx, 0);
-  __ SetCallKind(rcx, CALL_AS_METHOD);
+  __ SetCallKind(rcx, CALL_AS_FUNCTION);
   __ GetBuiltinEntry(rdx, Builtins::CALL_NON_FUNCTION);
   Handle<Code> adaptor =
       isolate->builtins()->ArgumentsAdaptorTrampoline();
   __ Jump(adaptor, RelocInfo::CODE_TARGET);
 }
 
 
 void CallConstructStub::Generate(MacroAssembler* masm) {
   // rax : number of arguments
   // rbx : cache cell for call target
@@ skipping 272 matching lines @@
   // Do space-specific GC and retry runtime call.
   GenerateCore(masm,
                &throw_normal_exception,
                &throw_termination_exception,
                &throw_out_of_memory_exception,
                true,
                false);
 
   // Do full GC and retry runtime call one final time.
   Failure* failure = Failure::InternalError();
-  __ movq(rax, failure, RelocInfo::NONE64);
+  __ Move(rax, failure, RelocInfo::NONE64);
   GenerateCore(masm,
                &throw_normal_exception,
                &throw_termination_exception,
                &throw_out_of_memory_exception,
                true,
                true);
 
   __ bind(&throw_out_of_memory_exception);
   // Set external caught exception to false.
   Isolate* isolate = masm->isolate();
   ExternalReference external_caught(Isolate::kExternalCaughtExceptionAddress,
                                     isolate);
   __ Set(rax, static_cast<int64_t>(false));
   __ Store(external_caught, rax);
 
   // Set pending exception and rax to out of memory exception.
   ExternalReference pending_exception(Isolate::kPendingExceptionAddress,
                                       isolate);
   Label already_have_failure;
   JumpIfOOM(masm, rax, kScratchRegister, &already_have_failure);
-  __ movq(rax, Failure::OutOfMemoryException(0x1), RelocInfo::NONE64);
+  __ Move(rax, Failure::OutOfMemoryException(0x1), RelocInfo::NONE64);
   __ bind(&already_have_failure);
   __ Store(pending_exception, rax);
   // Fall through to the next label.
 
   __ bind(&throw_termination_exception);
   __ ThrowUncatchable(rax);
 
   __ bind(&throw_normal_exception);
   __ Throw(rax);
 }
 
 
 void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   Label invoke, handler_entry, exit;
   Label not_outermost_js, not_outermost_js_2;
 
   ProfileEntryHookStub::MaybeCallEntryHook(masm);
 
   {  // NOLINT. Scope block confuses linter.
     MacroAssembler::NoRootArrayScope uninitialized_root_register(masm);
     // Set up frame.
     __ push(rbp);
     __ movq(rbp, rsp);
 
     // Push the stack frame type marker twice.
     int marker = is_construct ? StackFrame::ENTRY_CONSTRUCT : StackFrame::ENTRY;
     // Scratch register is neither callee-save, nor an argument register on any
     // platform. It's free to use at this point.
     // Cannot use smi-register for loading yet.
-    __ movq(kScratchRegister, Smi::FromInt(marker), RelocInfo::NONE64);
+    __ Move(kScratchRegister, Smi::FromInt(marker), RelocInfo::NONE64);
     __ push(kScratchRegister);  // context slot
     __ push(kScratchRegister);  // function slot
     // Save callee-saved registers (X64/Win64 calling conventions).
     __ push(r12);
     __ push(r13);
     __ push(r14);
     __ push(r15);
 #ifdef _WIN64
     __ push(rdi);  // Only callee save in Win64 ABI, argument in AMD64 ABI.
     __ push(rsi);  // Only callee save in Win64 ABI, argument in AMD64 ABI.
@@ skipping 47 matching lines @@
   // Jump to a faked try block that does the invoke, with a faked catch
   // block that sets the pending exception.
   __ jmp(&invoke);
   __ bind(&handler_entry);
   handler_offset_ = handler_entry.pos();
   // Caught exception: Store result (exception) in the pending exception
   // field in the JSEnv and return a failure sentinel.
   ExternalReference pending_exception(Isolate::kPendingExceptionAddress,
                                       isolate);
   __ Store(pending_exception, rax);
-  __ movq(rax, Failure::Exception(), RelocInfo::NONE64);
+  __ Move(rax, Failure::Exception(), RelocInfo::NONE64);
   __ jmp(&exit);
 
   // Invoke: Link this frame into the handler chain.  There's only one
   // handler block in this code object, so its index is 0.
   __ bind(&invoke);
   __ PushTryHandler(StackHandler::JS_ENTRY, 0);
 
   // Clear any pending exceptions.
   __ LoadRoot(rax, Heap::kTheHoleValueRootIndex);
   __ Store(pending_exception, rax);
@@ skipping 1396 matching lines @@
   Isolate* isolate = masm->isolate();
 
   // Load rcx with the allocation site.  We stick an undefined dummy value here
   // and replace it with the real allocation site later when we instantiate this
   // stub in BinaryOpICWithAllocationSiteStub::GetCodeCopyFromTemplate().
   __ Move(rcx, handle(isolate->heap()->undefined_value()));
 
   // Make sure that we actually patched the allocation site.
   if (FLAG_debug_code) {
     __ testb(rcx, Immediate(kSmiTagMask));
-    __ Assert(zero, kExpectedAllocationSite);
+    __ Assert(not_equal, kExpectedAllocationSite);
     __ Cmp(FieldOperand(rcx, HeapObject::kMapOffset),
            isolate->factory()->allocation_site_map());
     __ Assert(equal, kExpectedAllocationSite);
   }
 
   // Tail call into the stub that handles binary operations with allocation
   // sites.
   BinaryOpWithAllocationSiteStub stub(state_);
   __ TailCallStub(&stub);
 }
@@ skipping 891 matching lines @@
   __ lea(arg_reg_2, Operand(rsp, (kNumSavedRegisters + 1) * kPointerSize));
 
   // Calculate the function address to the first arg.
   __ movq(arg_reg_1, Operand(rsp, kNumSavedRegisters * kPointerSize));
   __ subq(arg_reg_1, Immediate(Assembler::kShortCallInstructionLength));
 
   // Save the remainder of the volatile registers.
   masm->PushCallerSaved(kSaveFPRegs, arg_reg_1, arg_reg_2);
 
   // Call the entry hook function.
-  __ movq(rax, FUNCTION_ADDR(masm->isolate()->function_entry_hook()),
+  __ Move(rax, FUNCTION_ADDR(masm->isolate()->function_entry_hook()),
           RelocInfo::NONE64);
 
   AllowExternalCallThatCantCauseGC scope(masm);
 
   const int kArgumentCount = 2;
   __ PrepareCallCFunction(kArgumentCount);
   __ CallCFunction(rax, kArgumentCount);
 
   // Restore volatile regs.
   masm->PopCallerSaved(kSaveFPRegs, arg_reg_1, arg_reg_2);
   __ pop(arg_reg_2);
   __ pop(arg_reg_1);
 
   __ Ret();
 }
 
 
 template<class T>
 static void CreateArrayDispatch(MacroAssembler* masm,
                                 AllocationSiteOverrideMode mode) {
   if (mode == DISABLE_ALLOCATION_SITES) {
-    T stub(GetInitialFastElementsKind(),
-           CONTEXT_CHECK_REQUIRED,
-           mode);
+    T stub(GetInitialFastElementsKind(), mode);
     __ TailCallStub(&stub);
   } else if (mode == DONT_OVERRIDE) {
     int last_index = GetSequenceIndexFromFastElementsKind(
         TERMINAL_FAST_ELEMENTS_KIND);
     for (int i = 0; i <= last_index; ++i) {
       Label next;
       ElementsKind kind = GetFastElementsKindFromSequenceIndex(i);
       __ cmpl(rdx, Immediate(kind));
       __ j(not_equal, &next);
       T stub(kind);
@@ skipping 39 matching lines @@
   StackArgumentsAccessor args(rsp, 1, ARGUMENTS_DONT_CONTAIN_RECEIVER);
   __ movq(rcx, args.GetArgumentOperand(0));
   __ testq(rcx, rcx);
   __ j(zero, &normal_sequence);
 
   if (mode == DISABLE_ALLOCATION_SITES) {
     ElementsKind initial = GetInitialFastElementsKind();
     ElementsKind holey_initial = GetHoleyElementsKind(initial);
 
     ArraySingleArgumentConstructorStub stub_holey(holey_initial,
-                                                  CONTEXT_CHECK_REQUIRED,
                                                   DISABLE_ALLOCATION_SITES);
     __ TailCallStub(&stub_holey);
 
     __ bind(&normal_sequence);
     ArraySingleArgumentConstructorStub stub(initial,
-                                            CONTEXT_CHECK_REQUIRED,
                                             DISABLE_ALLOCATION_SITES);
     __ TailCallStub(&stub);
   } else if (mode == DONT_OVERRIDE) {
     // We are going to create a holey array, but our kind is non-holey.
     // Fix kind and retry (only if we have an allocation site in the cell).
     __ incl(rdx);
     __ movq(rcx, FieldOperand(rbx, Cell::kValueOffset));
     if (FLAG_debug_code) {
       Handle<Map> allocation_site_map =
           masm->isolate()->factory()->allocation_site_map();
@@ skipping 24 matching lines @@
     // If we reached this point there is a problem.
     __ Abort(kUnexpectedElementsKindInArrayConstructor);
   } else {
     UNREACHABLE();
   }
 }
 
 
 template<class T>
 static void ArrayConstructorStubAheadOfTimeHelper(Isolate* isolate) {
-  ElementsKind initial_kind = GetInitialFastElementsKind();
-  ElementsKind initial_holey_kind = GetHoleyElementsKind(initial_kind);
-
   int to_index = GetSequenceIndexFromFastElementsKind(
       TERMINAL_FAST_ELEMENTS_KIND);
   for (int i = 0; i <= to_index; ++i) {
     ElementsKind kind = GetFastElementsKindFromSequenceIndex(i);
     T stub(kind);
     stub.GetCode(isolate);
-    if (AllocationSite::GetMode(kind) != DONT_TRACK_ALLOCATION_SITE ||
-        (!FLAG_track_allocation_sites &&
-         (kind == initial_kind || kind == initial_holey_kind))) {
-      T stub1(kind, CONTEXT_CHECK_REQUIRED, DISABLE_ALLOCATION_SITES);
+    if (AllocationSite::GetMode(kind) != DONT_TRACK_ALLOCATION_SITE) {
+      T stub1(kind, DISABLE_ALLOCATION_SITES);
       stub1.GetCode(isolate);
     }
   }
 }
 
 
 void ArrayConstructorStubBase::GenerateStubsAheadOfTime(Isolate* isolate) {
   ArrayConstructorStubAheadOfTimeHelper<ArrayNoArgumentConstructorStub>(
       isolate);
   ArrayConstructorStubAheadOfTimeHelper<ArraySingleArgumentConstructorStub>(
@@ skipping 191 matching lines @@
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64