Remove CallICs

src/x64/ic-x64.cc

 // Copyright 2012 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 810 matching lines @@
   __ SmiCompareInteger32(FieldOperand(rdx, JSArray::kLengthOffset), rcx);
   __ j(below_equal, &extra);
 
   KeyedStoreGenerateGenericHelper(masm, &fast_object, &fast_double,
                                   &slow, kCheckMap, kDontIncrementLength);
   KeyedStoreGenerateGenericHelper(masm, &fast_object_grow, &fast_double_grow,
                                   &slow, kDontCheckMap, kIncrementLength);
 }
 
 
-// The generated code does not accept smi keys.
-// The generated code falls through if both probes miss.
-void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm,
-                                               int argc,
-                                               Code::Kind kind,
-                                               ExtraICState extra_state) {
-  // ----------- S t a t e -------------
-  // rcx                      : function name
-  // rdx                      : receiver
-  // -----------------------------------
-  Label number, non_number, non_string, boolean, probe, miss;
-
-  // Probe the stub cache.
-  Code::Flags flags = Code::ComputeFlags(kind,
-                                         MONOMORPHIC,
-                                         extra_state,
-                                         Code::NORMAL,
-                                         argc);
-  masm->isolate()->stub_cache()->GenerateProbe(
-      masm, flags, rdx, rcx, rbx, rax);
-
-  // If the stub cache probing failed, the receiver might be a value.
-  // For value objects, we use the map of the prototype objects for
-  // the corresponding JSValue for the cache and that is what we need
-  // to probe.
-  //
-  // Check for number.
-  __ JumpIfSmi(rdx, &number);
-  __ CmpObjectType(rdx, HEAP_NUMBER_TYPE, rbx);
-  __ j(not_equal, &non_number);
-  __ bind(&number);
-  StubCompiler::GenerateLoadGlobalFunctionPrototype(
-      masm, Context::NUMBER_FUNCTION_INDEX, rdx);
-  __ jmp(&probe);
-
-  // Check for string.
-  __ bind(&non_number);
-  __ CmpInstanceType(rbx, FIRST_NONSTRING_TYPE);
-  __ j(above_equal, &non_string);
-  StubCompiler::GenerateLoadGlobalFunctionPrototype(
-      masm, Context::STRING_FUNCTION_INDEX, rdx);
-  __ jmp(&probe);
-
-  // Check for boolean.
-  __ bind(&non_string);
-  __ CompareRoot(rdx, Heap::kTrueValueRootIndex);
-  __ j(equal, &boolean);
-  __ CompareRoot(rdx, Heap::kFalseValueRootIndex);
-  __ j(not_equal, &miss);
-  __ bind(&boolean);
-  StubCompiler::GenerateLoadGlobalFunctionPrototype(
-      masm, Context::BOOLEAN_FUNCTION_INDEX, rdx);
-
-  // Probe the stub cache for the value object.
-  __ bind(&probe);
-  masm->isolate()->stub_cache()->GenerateProbe(
-      masm, flags, rdx, rcx, rbx, no_reg);
-
-  __ bind(&miss);
-}
-
-
-static void GenerateFunctionTailCall(MacroAssembler* masm,
-                                     int argc,
-                                     Label* miss) {
-  // ----------- S t a t e -------------
-  // rcx                 : function name
-  // rdi                 : function
-  // rsp[0]              : return address
-  // rsp[8]              : argument argc
-  // rsp[16]             : argument argc - 1
-  // ...
-  // rsp[argc * 8]       : argument 1
-  // rsp[(argc + 1) * 8] : argument 0 = receiver
-  // -----------------------------------
-  __ JumpIfSmi(rdi, miss);
-  // Check that the value is a JavaScript function.
-  __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rdx);
-  __ j(not_equal, miss);
-
-  // Invoke the function.
-  ParameterCount actual(argc);
-  __ InvokeFunction(rdi, actual, JUMP_FUNCTION, NullCallWrapper());
-}
-
-
-// The generated code falls through if the call should be handled by runtime.
-void CallICBase::GenerateNormal(MacroAssembler* masm, int argc) {
-  // ----------- S t a t e -------------
-  // rcx                 : function name
-  // rsp[0]              : return address
-  // rsp[8]              : argument argc
-  // rsp[16]             : argument argc - 1
-  // ...
-  // rsp[argc * 8]       : argument 1
-  // rsp[(argc + 1) * 8] : argument 0 = receiver
-  // -----------------------------------
-  Label miss;
-
-  StackArgumentsAccessor args(rsp, argc);
-  __ movp(rdx, args.GetReceiverOperand());
-
-  GenerateNameDictionaryReceiverCheck(masm, rdx, rax, rbx, &miss);
-
-  // rax: elements
-  // Search the dictionary placing the result in rdi.
-  GenerateDictionaryLoad(masm, &miss, rax, rcx, rbx, rdi, rdi);
-
-  GenerateFunctionTailCall(masm, argc, &miss);
-
-  __ bind(&miss);
-}
-
-
-void CallICBase::GenerateMiss(MacroAssembler* masm,
-                              int argc,
-                              IC::UtilityId id,
-                              ExtraICState extra_state) {
-  // ----------- S t a t e -------------
-  // rcx                 : function name
-  // rsp[0]              : return address
-  // rsp[8]              : argument argc
-  // rsp[16]             : argument argc - 1
-  // ...
-  // rsp[argc * 8]       : argument 1
-  // rsp[(argc + 1) * 8] : argument 0 = receiver
-  // -----------------------------------
-
-  Counters* counters = masm->isolate()->counters();
-  if (id == IC::kCallIC_Miss) {
-    __ IncrementCounter(counters->call_miss(), 1);
-  } else {
-    __ IncrementCounter(counters->keyed_call_miss(), 1);
-  }
-
-  StackArgumentsAccessor args(rsp, argc);
-  __ movp(rdx, args.GetReceiverOperand());
-
-  // Enter an internal frame.
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-
-    // Push the receiver and the name of the function.
-    __ push(rdx);
-    __ push(rcx);
-
-    // Call the entry.
-    CEntryStub stub(1);
-    __ Set(rax, 2);
-    __ LoadAddress(rbx, ExternalReference(IC_Utility(id), masm->isolate()));
-    __ CallStub(&stub);
-
-    // Move result to rdi and exit the internal frame.
-    __ movp(rdi, rax);
-  }
-
-  // Check if the receiver is a global object of some sort.
-  // This can happen only for regular CallIC but not KeyedCallIC.
-  if (id == IC::kCallIC_Miss) {
-    Label invoke, global;
-    __ movp(rdx, args.GetReceiverOperand());
-    __ JumpIfSmi(rdx, &invoke);
-    __ CmpObjectType(rdx, JS_GLOBAL_OBJECT_TYPE, rcx);
-    __ j(equal, &global);
-    __ CmpInstanceType(rcx, JS_BUILTINS_OBJECT_TYPE);
-    __ j(not_equal, &invoke);
-
-    // Patch the receiver on the stack.
-    __ bind(&global);
-    __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
-    __ movp(args.GetReceiverOperand(), rdx);
-    __ bind(&invoke);
-  }
-
-  // Invoke the function.
-  ParameterCount actual(argc);
-  __ InvokeFunction(rdi, actual, JUMP_FUNCTION, NullCallWrapper());
-}
-
-
-void CallIC::GenerateMegamorphic(MacroAssembler* masm,
-                                 int argc,
-                                 ExtraICState extra_ic_state) {
-  // ----------- S t a t e -------------
-  // rcx                 : function name
-  // rsp[0]              : return address
-  // rsp[8]              : argument argc
-  // rsp[16]             : argument argc - 1
-  // ...
-  // rsp[argc * 8]       : argument 1
-  // rsp[(argc + 1) * 8] : argument 0 = receiver
-  // -----------------------------------
-
-  StackArgumentsAccessor args(rsp, argc);
-  __ movp(rdx, args.GetReceiverOperand());
-  GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, extra_ic_state);
-  GenerateMiss(masm, argc, extra_ic_state);
-}
-
-
-void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
-  // ----------- S t a t e -------------
-  // rcx                 : function name
-  // rsp[0]              : return address
-  // rsp[8]              : argument argc
-  // rsp[16]             : argument argc - 1
-  // ...
-  // rsp[argc * 8]       : argument 1
-  // rsp[(argc + 1) * 8] : argument 0 = receiver
-  // -----------------------------------
-
-  StackArgumentsAccessor args(rsp, argc);
-  __ movp(rdx, args.GetReceiverOperand());
-
-  Label do_call, slow_call, slow_load;
-  Label check_number_dictionary, check_name, lookup_monomorphic_cache;
-  Label index_smi, index_name;
-
-  // Check that the key is a smi.
-  __ JumpIfNotSmi(rcx, &check_name);
-
-  __ bind(&index_smi);
-  // Now the key is known to be a smi. This place is also jumped to from below
-  // where a numeric string is converted to a smi.
-
-  GenerateKeyedLoadReceiverCheck(
-      masm, rdx, rax, Map::kHasIndexedInterceptor, &slow_call);
-
-  GenerateFastArrayLoad(
-      masm, rdx, rcx, rax, rbx, rdi, &check_number_dictionary, &slow_load);
-  Counters* counters = masm->isolate()->counters();
-  __ IncrementCounter(counters->keyed_call_generic_smi_fast(), 1);
-
-  __ bind(&do_call);
-  // receiver in rdx is not used after this point.
-  // rcx: key
-  // rdi: function
-  GenerateFunctionTailCall(masm, argc, &slow_call);
-
-  __ bind(&check_number_dictionary);
-  // rax: elements
-  // rcx: smi key
-  // Check whether the elements is a number dictionary.
-  __ CompareRoot(FieldOperand(rax, HeapObject::kMapOffset),
-                 Heap::kHashTableMapRootIndex);
-  __ j(not_equal, &slow_load);
-  __ SmiToInteger32(rbx, rcx);
-  // ebx: untagged index
-  __ LoadFromNumberDictionary(&slow_load, rax, rcx, rbx, r9, rdi, rdi);
-  __ IncrementCounter(counters->keyed_call_generic_smi_dict(), 1);
-  __ jmp(&do_call);
-
-  __ bind(&slow_load);
-  // This branch is taken when calling KeyedCallIC_Miss is neither required
-  // nor beneficial.
-  __ IncrementCounter(counters->keyed_call_generic_slow_load(), 1);
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ push(rcx);  // save the key
-    __ push(rdx);  // pass the receiver
-    __ push(rcx);  // pass the key
-    __ CallRuntime(Runtime::kKeyedGetProperty, 2);
-    __ pop(rcx);  // restore the key
-  }
-  __ movp(rdi, rax);
-  __ jmp(&do_call);
-
-  __ bind(&check_name);
-  GenerateKeyNameCheck(masm, rcx, rax, rbx, &index_name, &slow_call);
-
-  // The key is known to be a unique name.
-  // If the receiver is a regular JS object with slow properties then do
-  // a quick inline probe of the receiver's dictionary.
-  // Otherwise do the monomorphic cache probe.
-  GenerateKeyedLoadReceiverCheck(
-      masm, rdx, rax, Map::kHasNamedInterceptor, &lookup_monomorphic_cache);
-
-  __ movp(rbx, FieldOperand(rdx, JSObject::kPropertiesOffset));
-  __ CompareRoot(FieldOperand(rbx, HeapObject::kMapOffset),
-                 Heap::kHashTableMapRootIndex);
-  __ j(not_equal, &lookup_monomorphic_cache);
-
-  GenerateDictionaryLoad(masm, &slow_load, rbx, rcx, rax, rdi, rdi);
-  __ IncrementCounter(counters->keyed_call_generic_lookup_dict(), 1);
-  __ jmp(&do_call);
-
-  __ bind(&lookup_monomorphic_cache);
-  __ IncrementCounter(counters->keyed_call_generic_lookup_cache(), 1);
-  GenerateMonomorphicCacheProbe(masm,
-                                argc,
-                                Code::KEYED_CALL_IC,
-                                kNoExtraICState);
-  // Fall through on miss.
-
-  __ bind(&slow_call);
-  // This branch is taken if:
-  // - the receiver requires boxing or access check,
-  // - the key is neither smi nor a unique name,
-  // - the value loaded is not a function,
-  // - there is hope that the runtime will create a monomorphic call stub
-  //   that will get fetched next time.
-  __ IncrementCounter(counters->keyed_call_generic_slow(), 1);
-  GenerateMiss(masm, argc);
-
-  __ bind(&index_name);
-  __ IndexFromHash(rbx, rcx);
-  // Now jump to the place where smi keys are handled.
-  __ jmp(&index_smi);
-}
-
-
-void KeyedCallIC::GenerateNormal(MacroAssembler* masm, int argc) {
-  // ----------- S t a t e -------------
-  // rcx                 : function name
-  // rsp[0]              : return address
-  // rsp[8]              : argument argc
-  // rsp[16]             : argument argc - 1
-  // ...
-  // rsp[argc * 8]       : argument 1
-  // rsp[(argc + 1) * 8] : argument 0 = receiver
-  // -----------------------------------
-
-  // Check if the name is really a name.
-  Label miss;
-  __ JumpIfSmi(rcx, &miss);
-  Condition cond = masm->IsObjectNameType(rcx, rax, rax);
-  __ j(NegateCondition(cond), &miss);
-  CallICBase::GenerateNormal(masm, argc);
-  __ bind(&miss);
-  GenerateMiss(masm, argc);
-}
-
-
 static Operand GenerateMappedArgumentsLookup(MacroAssembler* masm,
                                              Register object,
                                              Register key,
                                              Register scratch1,
                                              Register scratch2,
                                              Register scratch3,
                                              Label* unmapped_case,
                                              Label* slow_case) {
   Heap* heap = masm->isolate()->heap();
 
@@ skipping 125 matching lines @@
                  r8,
                  kDontSaveFPRegs,
                  EMIT_REMEMBERED_SET,
                  INLINE_SMI_CHECK);
   __ Ret();
   __ bind(&slow);
   GenerateMiss(masm);
 }
 
 
-void KeyedCallIC::GenerateNonStrictArguments(MacroAssembler* masm,
-                                             int argc) {
-  // ----------- S t a t e -------------
-  // rcx                 : function name
-  // rsp[0]              : return address
-  // rsp[8]              : argument argc
-  // rsp[16]             : argument argc - 1
-  // ...
-  // rsp[argc * 8]       : argument 1
-  // rsp[(argc + 1) * 8] : argument 0 = receiver
-  // -----------------------------------
-  Label slow, notin;
-  StackArgumentsAccessor args(rsp, argc);
-  __ movp(rdx, args.GetReceiverOperand());
-  Operand mapped_location = GenerateMappedArgumentsLookup(
-      masm, rdx, rcx, rbx, rax, r8, &notin, &slow);
-  __ movp(rdi, mapped_location);
-  GenerateFunctionTailCall(masm, argc, &slow);
-  __ bind(&notin);
-  // The unmapped lookup expects that the parameter map is in rbx.
-  Operand unmapped_location =
-      GenerateUnmappedArgumentsLookup(masm, rcx, rbx, rax, &slow);
-  __ CompareRoot(unmapped_location, Heap::kTheHoleValueRootIndex);
-  __ j(equal, &slow);
-  __ movp(rdi, unmapped_location);
-  GenerateFunctionTailCall(masm, argc, &slow);
-  __ bind(&slow);
-  GenerateMiss(masm, argc);
-}
-
-
-void LoadIC::GenerateMegamorphic(MacroAssembler* masm, ContextualMode mode) {
+void LoadIC::GenerateMegamorphic(MacroAssembler* masm,
+                                 ExtraICState extra_state) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
   //  -- rsp[0] : return address
   // -----------------------------------
 
   // Probe the stub cache.
-  ExtraICState extra_ic_state = LoadIC::ComputeExtraICState(mode);
   Code::Flags flags = Code::ComputeFlags(
-      Code::HANDLER, MONOMORPHIC, extra_ic_state,
+      Code::HANDLER, MONOMORPHIC, extra_state,
       Code::NORMAL, Code::LOAD_IC);
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, rax, rcx, rbx, rdx);
 
   GenerateMiss(masm);
 }
 
 
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   // ----------- S t a t e -------------
@@ skipping 330 matching lines @@
   Condition cc = (check == ENABLE_INLINED_SMI_CHECK)
       ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero)
       : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry);
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64