static Handle<Code> ComputeCallInitialize(int argc, InLoopFlag in_loop);
+ static Handle<Code> ComputeKeyedCallInitialize(int argc, InLoopFlag in_loop);
+
// Declare global variables and functions in the given array of
// name/value pairs.
void DeclareGlobals(Handle<FixedArray> pairs);
}
+void KeyedCallIC::GenerateMiss(MacroAssembler* masm, int argc) {
+ UNREACHABLE();
+}
+
+
+void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
+ UNREACHABLE();
+}
+
+
+void KeyedCallIC::GenerateNormal(MacroAssembler* masm, int argc) {
+ UNREACHABLE();
+}
+
+
// Defined in ic.cc.
Object* LoadIC_Miss(Arguments args);
}
+void CallStubCompiler::GenerateMissBranch() {
+ Handle<Code> ic = ComputeCallMiss(arguments().immediate(), kind_);
+ __ Jump(ic, RelocInfo::CODE_TARGET);
+}
+
+
Object* CallStubCompiler::CompileCallField(JSObject* object,
JSObject* holder,
int index,
// Handle call cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(FIELD, name);
// Handle call cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
// Handle call cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
}
__ bind(&miss_in_smi_check);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
// Handle call cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(INTERCEPTOR, name);
// Handle call cache miss.
__ bind(&miss);
__ IncrementCounter(&Counters::call_global_inline_miss, 1, r1, r3);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(NORMAL, name);
// that it needs so we need to ensure it is generated already.
ComputeCallInitialize(argc, NOT_IN_LOOP);
}
- CALL_HEAP_FUNCTION(StubCache::ComputeCallInitialize(argc, in_loop), Code);
+ CALL_HEAP_FUNCTION(
+ StubCache::ComputeCallInitialize(argc, in_loop, Code::CALL_IC),
+ Code);
}
+Handle<Code> CodeGenerator::ComputeKeyedCallInitialize(
+ int argc,
+ InLoopFlag in_loop) {
+ if (in_loop == IN_LOOP) {
+ // Force the creation of the corresponding stub outside loops,
+ // because it may be used when clearing the ICs later - it is
+ // possible for a series of IC transitions to lose the in-loop
+ // information, and the IC clearing code can't generate a stub
+ // that it needs so we need to ensure it is generated already.
+ ComputeKeyedCallInitialize(argc, NOT_IN_LOOP);
+ }
+ CALL_HEAP_FUNCTION(
+ StubCache::ComputeCallInitialize(argc, in_loop, Code::KEYED_CALL_IC),
+ Code);
+}
+
void CodeGenerator::ProcessDeclarations(ZoneList<Declaration*>* declarations) {
int length = declarations->length();
int globals = 0;
}
-static Handle<Code> ComputeCallDebugBreak(int argc) {
- CALL_HEAP_FUNCTION(StubCache::ComputeCallDebugBreak(argc), Code);
+static Handle<Code> ComputeCallDebugBreak(int argc, Code::Kind kind) {
+ CALL_HEAP_FUNCTION(StubCache::ComputeCallDebugBreak(argc, kind), Code);
}
-static Handle<Code> ComputeCallDebugPrepareStepIn(int argc) {
- CALL_HEAP_FUNCTION(StubCache::ComputeCallDebugPrepareStepIn(argc), Code);
+static Handle<Code> ComputeCallDebugPrepareStepIn(int argc, Code::Kind kind) {
+ CALL_HEAP_FUNCTION(
+ StubCache::ComputeCallDebugPrepareStepIn(argc, kind), Code);
}
// construct call or CallFunction stub call.
Address target = rinfo()->target_address();
Handle<Code> code(Code::GetCodeFromTargetAddress(target));
- if (code->is_call_stub()) {
+ if (code->is_call_stub() || code->is_keyed_call_stub()) {
// Step in through IC call is handled by the runtime system. Therefore make
// sure that the any current IC is cleared and the runtime system is
// called. If the executing code has a debug break at the location change
// the call in the original code as it is the code there that will be
// executed in place of the debug break call.
- Handle<Code> stub = ComputeCallDebugPrepareStepIn(code->arguments_count());
+ Handle<Code> stub = ComputeCallDebugPrepareStepIn(code->arguments_count(),
+ code->kind());
if (IsDebugBreak()) {
original_rinfo()->set_target_address(stub->entry());
} else {
if (RelocInfo::IsCodeTarget(it.rinfo()->rmode())) {
Address target = it.rinfo()->target_address();
Code* code = Code::GetCodeFromTargetAddress(target);
- if (code->is_call_stub()) {
+ if (code->is_call_stub() || code->is_keyed_call_stub()) {
is_call_target = true;
}
if (code->is_inline_cache_stub()) {
if (code->is_inline_cache_stub()) {
switch (code->kind()) {
case Code::CALL_IC:
- return ComputeCallDebugBreak(code->arguments_count());
+ case Code::KEYED_CALL_IC:
+ return ComputeCallDebugBreak(code->arguments_count(), code->kind());
case Code::LOAD_IC:
return Handle<Code>(Builtins::builtin(Builtins::LoadIC_DebugBreak));
if (code->ic_in_loop() == IN_LOOP) {
out.AddFormatted(", in_loop");
}
- if (kind == Code::CALL_IC) {
+ if (kind == Code::CALL_IC || kind == Code::KEYED_CALL_IC) {
out.AddFormatted(", argc = %d", code->arguments_count());
}
} else if (kind == Code::STUB) {
// Platform-specific code sequences for calls
void EmitCallWithStub(Call* expr);
void EmitCallWithIC(Call* expr, Handle<Object> name, RelocInfo::Mode mode);
+ void EmitKeyedCallWithIC(Call* expr, Expression* key, RelocInfo::Mode mode);
// Platform-specific code for inline runtime calls.
ref.GetValue();
// Use global object as receiver.
LoadGlobalReceiver();
+ // Call the function.
+ CallWithArguments(args, RECEIVER_MIGHT_BE_VALUE, node->position());
} else {
+ // Push the receiver onto the frame.
Load(property->obj());
- frame()->Dup();
+
+ // Load the arguments.
+ int arg_count = args->length();
+ for (int i = 0; i < arg_count; i++) {
+ Load(args->at(i));
+ frame_->SpillTop();
+ }
+
+ // Load the name of the function.
Load(property->key());
- Result function = EmitKeyedLoad();
- Result receiver = frame_->Pop();
- frame_->Push(&function);
- frame_->Push(&receiver);
- }
- // Call the function.
- CallWithArguments(args, RECEIVER_MIGHT_BE_VALUE, node->position());
+ // Call the IC initialization code.
+ CodeForSourcePosition(node->position());
+ Result result =
+ frame_->CallKeyedCallIC(RelocInfo::CODE_TARGET,
+ arg_count,
+ loop_nesting());
+ frame_->RestoreContextRegister();
+ frame_->Push(&result);
+ }
}
} else {
static Handle<Code> ComputeCallInitialize(int argc, InLoopFlag in_loop);
+ static Handle<Code> ComputeKeyedCallInitialize(int argc, InLoopFlag in_loop);
+
// Declare global variables and functions in the given array of
// name/value pairs.
void DeclareGlobals(Handle<FixedArray> pairs);
}
+void FullCodeGenerator::EmitKeyedCallWithIC(Call* expr,
+ Expression* key,
+ RelocInfo::Mode mode) {
+ // Code common for calls using the IC.
+ ZoneList<Expression*>* args = expr->arguments();
+ int arg_count = args->length();
+ for (int i = 0; i < arg_count; i++) {
+ VisitForValue(args->at(i), kStack);
+ }
+ VisitForValue(key, kAccumulator);
+ __ mov(ecx, eax);
+ // Record source position of the IC call.
+ SetSourcePosition(expr->position());
+ InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP;
+ Handle<Code> ic = CodeGenerator::ComputeKeyedCallInitialize(
+ arg_count, in_loop);
+ __ call(ic, mode);
+ // Restore context register.
+ __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
+ Apply(context_, eax);
+}
+
+
void FullCodeGenerator::EmitCallWithStub(Call* expr) {
// Code common for calls using the call stub.
ZoneList<Expression*>* args = expr->arguments();
VisitForValue(prop->obj(), kStack);
EmitCallWithIC(expr, key->handle(), RelocInfo::CODE_TARGET);
} else {
- // Call to a keyed property, use keyed load IC followed by function
- // call.
+ // Call to a keyed property.
+ // For a synthetic property use keyed load IC followed by function call,
+ // for a regular property use keyed CallIC.
VisitForValue(prop->obj(), kStack);
- VisitForValue(prop->key(), kAccumulator);
- // Record source code position for IC call.
- SetSourcePosition(prop->position());
if (prop->is_synthetic()) {
+ VisitForValue(prop->key(), kAccumulator);
+ // Record source code position for IC call.
+ SetSourcePosition(prop->position());
__ pop(edx); // We do not need to keep the receiver.
- } else {
- __ mov(edx, Operand(esp, 0)); // Keep receiver, to call function on.
- }
- Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
- __ call(ic, RelocInfo::CODE_TARGET);
- // By emitting a nop we make sure that we do not have a "test eax,..."
- // instruction after the call it is treated specially by the LoadIC code.
- __ nop();
- if (prop->is_synthetic()) {
+ Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
+ __ call(ic, RelocInfo::CODE_TARGET);
+ // By emitting a nop we make sure that we do not have a "test eax,..."
+ // instruction after the call as it is treated specially
+ // by the LoadIC code.
+ __ nop();
// Push result (function).
__ push(eax);
// Push Global receiver.
__ mov(ecx, CodeGenerator::GlobalObject());
__ push(FieldOperand(ecx, GlobalObject::kGlobalReceiverOffset));
+ EmitCallWithStub(expr);
} else {
- // Pop receiver.
- __ pop(ebx);
- // Push result (function).
- __ push(eax);
- __ push(ebx);
+ EmitKeyedCallWithIC(expr, prop->key(), RelocInfo::CODE_TARGET);
}
- EmitCallWithStub(expr);
}
} else {
// Call to some other expression. If the expression is an anonymous
// Defined in ic.cc.
Object* CallIC_Miss(Arguments args);
-void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
+// The generated code does not accept smi keys.
+// The generated code falls through if both probes miss.
+static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
+ int argc,
+ Code::Kind kind,
+ Label* miss) {
// ----------- S t a t e -------------
// -- ecx : name
- // -- esp[0] : return address
- // -- esp[(argc - n) * 4] : arg[n] (zero-based)
- // -- ...
- // -- esp[(argc + 1) * 4] : receiver
+ // -- edx : receiver
// -----------------------------------
- Label number, non_number, non_string, boolean, probe, miss;
-
- // Get the receiver of the function from the stack; 1 ~ return address.
- __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
+ Label number, non_number, non_string, boolean, probe;
// Probe the stub cache.
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, NOT_IN_LOOP, MONOMORPHIC, NORMAL, argc);
+ Code::ComputeFlags(kind, NOT_IN_LOOP, MONOMORPHIC, NORMAL, argc);
StubCache::GenerateProbe(masm, flags, edx, ecx, ebx, eax);
// If the stub cache probing failed, the receiver might be a value.
// Check for string.
__ bind(&non_number);
- __ cmp(ebx, FIRST_NONSTRING_TYPE);
+ __ CmpInstanceType(ebx, FIRST_NONSTRING_TYPE);
__ j(above_equal, &non_string, taken);
StubCompiler::GenerateLoadGlobalFunctionPrototype(
masm, Context::STRING_FUNCTION_INDEX, edx);
__ cmp(edx, Factory::true_value());
__ j(equal, &boolean, not_taken);
__ cmp(edx, Factory::false_value());
- __ j(not_equal, &miss, taken);
+ __ j(not_equal, miss, taken);
__ bind(&boolean);
StubCompiler::GenerateLoadGlobalFunctionPrototype(
masm, Context::BOOLEAN_FUNCTION_INDEX, edx);
// Probe the stub cache for the value object.
__ bind(&probe);
StubCache::GenerateProbe(masm, flags, edx, ecx, ebx, no_reg);
-
- // Cache miss: Jump to runtime.
- __ bind(&miss);
- GenerateMiss(masm, argc);
}
__ InvokeFunction(edi, actual, JUMP_FUNCTION);
}
-
-void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
+// The generated code never falls through.
+static void GenerateCallNormal(MacroAssembler* masm, int argc, Label* miss) {
// ----------- S t a t e -------------
// -- ecx : name
// -- esp[0] : return address
// -- ...
// -- esp[(argc + 1) * 4] : receiver
// -----------------------------------
- Label miss, global_object, non_global_object;
+ Label global_object, non_global_object;
// Get the receiver of the function from the stack; 1 ~ return address.
__ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
// Check that the receiver isn't a smi.
__ test(edx, Immediate(kSmiTagMask));
- __ j(zero, &miss, not_taken);
+ __ j(zero, miss, not_taken);
// Check that the receiver is a valid JS object.
__ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset));
__ movzx_b(eax, FieldOperand(ebx, Map::kInstanceTypeOffset));
__ cmp(eax, FIRST_JS_OBJECT_TYPE);
- __ j(below, &miss, not_taken);
+ __ j(below, miss, not_taken);
// If this assert fails, we have to check upper bound too.
ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
// Check that the global object does not require access checks.
__ test_b(FieldOperand(ebx, Map::kBitFieldOffset),
1 << Map::kIsAccessCheckNeeded);
- __ j(not_equal, &miss, not_taken);
- GenerateNormalHelper(masm, argc, true, &miss);
+ __ j(not_equal, miss, not_taken);
+ GenerateNormalHelper(masm, argc, true, miss);
// Accessing non-global object: Check for access to global proxy.
Label global_proxy, invoke;
// require access checks.
__ test_b(FieldOperand(ebx, Map::kBitFieldOffset),
1 << Map::kIsAccessCheckNeeded);
- __ j(not_equal, &miss, not_taken);
+ __ j(not_equal, miss, not_taken);
__ bind(&invoke);
- GenerateNormalHelper(masm, argc, false, &miss);
+ GenerateNormalHelper(masm, argc, false, miss);
// Global object proxy access: Check access rights.
__ bind(&global_proxy);
- __ CheckAccessGlobalProxy(edx, eax, &miss);
+ __ CheckAccessGlobalProxy(edx, eax, miss);
__ jmp(&invoke);
-
- // Cache miss: Jump to runtime.
- __ bind(&miss);
- GenerateMiss(masm, argc);
}
-void CallIC::GenerateMiss(MacroAssembler* masm, int argc) {
+static void GenerateCallMiss(MacroAssembler* masm, int argc, IC::UtilityId id) {
// ----------- S t a t e -------------
// -- ecx : name
// -- esp[0] : return address
// Call the entry.
CEntryStub stub(1);
__ mov(eax, Immediate(2));
- __ mov(ebx, Immediate(ExternalReference(IC_Utility(kCallIC_Miss))));
+ __ mov(ebx, Immediate(ExternalReference(IC_Utility(id))));
__ CallStub(&stub);
// Move result to edi and exit the internal frame.
}
+void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
+ // ----------- S t a t e -------------
+ // -- ecx : name
+ // -- esp[0] : return address
+ // -- esp[(argc - n) * 4] : arg[n] (zero-based)
+ // -- ...
+ // -- esp[(argc + 1) * 4] : receiver
+ // -----------------------------------
+
+ Label miss;
+ // Get the receiver of the function from the stack; 1 ~ return address.
+ __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
+ GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, &miss);
+ __ bind(&miss);
+ GenerateMiss(masm, argc);
+}
+
+
+void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
+ Label miss;
+ GenerateCallNormal(masm, argc, &miss);
+ __ bind(&miss);
+ GenerateMiss(masm, argc);
+}
+
+
+void CallIC::GenerateMiss(MacroAssembler* masm, int argc) {
+ GenerateCallMiss(masm, argc, IC::kCallIC_Miss);
+}
+
+
+void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
+ // ----------- S t a t e -------------
+ // -- ecx : name
+ // -- esp[0] : return address
+ // -- esp[(argc - n) * 4] : arg[n] (zero-based)
+ // -- ...
+ // -- esp[(argc + 1) * 4] : receiver
+ // -----------------------------------
+
+ // Get the receiver of the function from the stack; 1 ~ return address.
+ __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
+
+ Label miss, skip_probe;
+
+ // Do not probe monomorphic cache if a key is a smi.
+ __ test(ecx, Immediate(kSmiTagMask));
+ __ j(equal, &skip_probe, taken);
+
+ GenerateMonomorphicCacheProbe(masm, argc, Code::KEYED_CALL_IC, &skip_probe);
+
+ __ bind(&skip_probe);
+
+ __ mov(eax, ecx);
+ __ EnterInternalFrame();
+ __ push(ecx);
+ __ call(Handle<Code>(Builtins::builtin(Builtins::KeyedLoadIC_Generic)),
+ RelocInfo::CODE_TARGET);
+ __ pop(ecx);
+ __ LeaveInternalFrame();
+ __ mov(edi, eax);
+
+ __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
+
+ // Check that the receiver isn't a smi.
+ __ test(edx, Immediate(kSmiTagMask));
+ __ j(zero, &miss, not_taken);
+
+ // Check that the receiver is a valid JS object.
+ __ CmpObjectType(edx, FIRST_JS_OBJECT_TYPE, eax);
+ __ j(below, &miss, not_taken);
+
+ // Check that the value is a JavaScript function.
+ __ test(edi, Immediate(kSmiTagMask));
+ __ j(zero, &miss, not_taken);
+ __ CmpObjectType(edi, JS_FUNCTION_TYPE, eax);
+ __ j(not_equal, &miss, not_taken);
+
+ // Invoke the function.
+ ParameterCount actual(argc);
+ __ InvokeFunction(edi, actual, JUMP_FUNCTION);
+
+ __ bind(&miss);
+ GenerateMiss(masm, argc);
+}
+
+
+void KeyedCallIC::GenerateNormal(MacroAssembler* masm, int argc) {
+ Label miss;
+ GenerateCallNormal(masm, argc, &miss);
+ __ bind(&miss);
+ GenerateMiss(masm, argc);
+}
+
+
+void KeyedCallIC::GenerateMiss(MacroAssembler* masm, int argc) {
+ GenerateCallMiss(masm, argc, IC::kKeyedCallIC_Miss);
+}
+
+
// Defined in ic.cc.
Object* LoadIC_Miss(Arguments args);
}
+void CallStubCompiler::GenerateNameCheck(String* name, Label* miss) {
+ if (kind_ == Code::KEYED_CALL_IC) {
+ __ cmp(Operand(ecx), Immediate(Handle<String>(name)));
+ __ j(not_equal, miss, not_taken);
+ }
+}
+
+
+void CallStubCompiler::GenerateMissBranch() {
+ Handle<Code> ic = ComputeCallMiss(arguments().immediate(), kind_);
+ __ jmp(ic, RelocInfo::CODE_TARGET);
+}
+
+
Object* CallStubCompiler::CompileCallField(JSObject* object,
JSObject* holder,
int index,
// -----------------------------------
Label miss;
+ GenerateNameCheck(name, &miss);
+
// Get the receiver from the stack.
const int argc = arguments().immediate();
__ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
// Handle call cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(FIELD, name);
Label miss;
+ GenerateNameCheck(name, &miss);
+
// Get the receiver from the stack.
const int argc = arguments().immediate();
__ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
}
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
Label miss, return_undefined, call_builtin;
+ GenerateNameCheck(name, &miss);
+
// Get the receiver from the stack.
const int argc = arguments().immediate();
__ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
1);
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
Label miss;
Label index_out_of_range;
+ GenerateNameCheck(name, &miss);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
ebx, edx, name, &miss);
Register receiver = ebx;
- Register index = ecx;
+ Register index = edi;
Register scratch = edx;
Register result = eax;
__ mov(receiver, Operand(esp, (argc + 1) * kPointerSize));
__ ret((argc + 1) * kPointerSize);
__ bind(&miss);
- // Restore function name in ecx.
- __ Set(ecx, Immediate(Handle<String>(name)));
- Handle<Code> ic = ComputeCallMiss(argc);
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
Label miss;
Label index_out_of_range;
+ GenerateNameCheck(name, &miss);
+
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
Context::STRING_FUNCTION_INDEX,
ebx, edx, name, &miss);
Register receiver = eax;
- Register index = ecx;
+ Register index = edi;
Register scratch1 = ebx;
Register scratch2 = edx;
Register result = eax;
__ bind(&miss);
// Restore function name in ecx.
- __ Set(ecx, Immediate(Handle<String>(name)));
- Handle<Code> ic = ComputeCallMiss(argc);
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
Label miss_in_smi_check;
+ GenerateNameCheck(name, &miss_in_smi_check);
+
// Get the receiver from the stack.
const int argc = arguments().immediate();
__ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
FreeSpaceForFastApiCall(masm(), eax);
}
__ bind(&miss_in_smi_check);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
// -----------------------------------
Label miss;
+ GenerateNameCheck(name, &miss);
+
// Get the number of arguments.
const int argc = arguments().immediate();
// Handle load cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(argc);
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(INTERCEPTOR, name);
// -----------------------------------
Label miss;
+ GenerateNameCheck(name, &miss);
+
// Get the number of arguments.
const int argc = arguments().immediate();
// Handle call cache miss.
__ bind(&miss);
__ IncrementCounter(&Counters::call_global_inline_miss, 1);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(NORMAL, name);
}
+Result VirtualFrame::CallKeyedCallIC(RelocInfo::Mode mode,
+ int arg_count,
+ int loop_nesting) {
+ // Function name, arguments, and receiver are on top of the frame.
+ // The IC expects the name in ecx and the rest on the stack and
+ // drops them all.
+ InLoopFlag in_loop = loop_nesting > 0 ? IN_LOOP : NOT_IN_LOOP;
+ Handle<Code> ic = cgen()->ComputeKeyedCallInitialize(arg_count, in_loop);
+ // Spill args, receiver, and function. The call will drop args and
+ // receiver.
+ Result name = Pop();
+ PrepareForCall(arg_count + 1, arg_count + 1); // Arguments + receiver.
+ name.ToRegister(ecx);
+ name.Unuse();
+ return RawCallCodeObject(ic, mode);
+}
+
+
Result VirtualFrame::CallConstructor(int arg_count) {
// Arguments, receiver, and function are on top of the frame. The
// IC expects arg count in eax, function in edi, and the arguments
// include the receiver.
Result CallCallIC(RelocInfo::Mode mode, int arg_count, int loop_nesting);
+ // Call keyed call IC. Same calling convention as CallCallIC.
+ Result CallKeyedCallIC(RelocInfo::Mode mode, int arg_count, int loop_nesting);
+
// Allocate and call JS function as constructor. Arguments,
// receiver (global object), and function are found on top of the
// frame. Function is not dropped. The argument count does not
// to prototype check failure.
int index = map->IndexInCodeCache(name, target);
if (index >= 0) {
- // For keyed load/store, the most likely cause of cache failure is
+ // For keyed load/store/call, the most likely cause of cache failure is
// that the key has changed. We do not distinguish between
// prototype and non-prototype failures for keyed access.
Code::Kind kind = target->kind();
- if (kind == Code::KEYED_LOAD_IC || kind == Code::KEYED_STORE_IC) {
+ if (kind == Code::KEYED_LOAD_IC ||
+ kind == Code::KEYED_STORE_IC ||
+ kind == Code::KEYED_CALL_IC) {
return MONOMORPHIC;
}
Failure* IC::TypeError(const char* type,
Handle<Object> object,
- Handle<String> name) {
+ Handle<Object> key) {
HandleScope scope;
- Handle<Object> args[2] = { name, object };
+ Handle<Object> args[2] = { key, object };
Handle<Object> error = Factory::NewTypeError(type, HandleVector(args, 2));
return Top::Throw(*error);
}
case Code::STORE_IC: return StoreIC::Clear(address, target);
case Code::KEYED_STORE_IC: return KeyedStoreIC::Clear(address, target);
case Code::CALL_IC: return CallIC::Clear(address, target);
+ case Code::KEYED_CALL_IC: return KeyedCallIC::Clear(address, target);
case Code::BINARY_OP_IC: return; // Clearing these is tricky and does not
// make any performance difference.
default: UNREACHABLE();
}
-void CallIC::Clear(Address address, Code* target) {
+void CallICBase::Clear(Address address, Code* target) {
State state = target->ic_state();
- InLoopFlag in_loop = target->ic_in_loop();
if (state == UNINITIALIZED) return;
Code* code =
- StubCache::FindCallInitialize(target->arguments_count(), in_loop);
+ StubCache::FindCallInitialize(target->arguments_count(),
+ target->ic_in_loop(),
+ target->kind());
SetTargetAtAddress(address, code);
}
}
-Object* CallIC::TryCallAsFunction(Object* object) {
+Object* CallICBase::TryCallAsFunction(Object* object) {
HandleScope scope;
Handle<Object> target(object);
Handle<Object> delegate = Execution::GetFunctionDelegate(target);
return *delegate;
}
-void CallIC::ReceiverToObject(Handle<Object> object) {
+void CallICBase::ReceiverToObject(Handle<Object> object) {
HandleScope scope;
Handle<Object> receiver(object);
}
-Object* CallIC::LoadFunction(State state,
- Handle<Object> object,
- Handle<String> name) {
+Object* CallICBase::LoadFunction(State state,
+ Handle<Object> object,
+ Handle<String> name) {
// If the object is undefined or null it's illegal to try to get any
// of its properties; throw a TypeError in that case.
if (object->IsUndefined() || object->IsNull()) {
}
-void CallIC::UpdateCaches(LookupResult* lookup,
+void CallICBase::UpdateCaches(LookupResult* lookup,
State state,
Handle<Object> object,
Handle<String> name) {
// This is the first time we execute this inline cache.
// Set the target to the pre monomorphic stub to delay
// setting the monomorphic state.
- code = StubCache::ComputeCallPreMonomorphic(argc, in_loop);
+ code = StubCache::ComputeCallPreMonomorphic(argc, in_loop, kind_);
} else if (state == MONOMORPHIC) {
- code = StubCache::ComputeCallMegamorphic(argc, in_loop);
+ code = StubCache::ComputeCallMegamorphic(argc, in_loop, kind_);
} else {
// Compute monomorphic stub.
switch (lookup->type()) {
case FIELD: {
int index = lookup->GetFieldIndex();
- code = StubCache::ComputeCallField(argc, in_loop, *name, *object,
- lookup->holder(), index);
+ code = StubCache::ComputeCallField(argc,
+ in_loop,
+ kind_,
+ *name,
+ *object,
+ lookup->holder(),
+ index);
break;
}
case CONSTANT_FUNCTION: {
// call; used for rewriting to monomorphic state and making sure
// that the code stub is in the stub cache.
JSFunction* function = lookup->GetConstantFunction();
- code = StubCache::ComputeCallConstant(argc, in_loop, *name, *object,
- lookup->holder(), function);
+ code = StubCache::ComputeCallConstant(argc,
+ in_loop,
+ kind_,
+ *name,
+ *object,
+ lookup->holder(),
+ function);
break;
}
case NORMAL: {
JSFunction* function = JSFunction::cast(cell->value());
code = StubCache::ComputeCallGlobal(argc,
in_loop,
+ kind_,
*name,
*receiver,
global,
// property must be found in the receiver for the stub to be
// applicable.
if (lookup->holder() != *receiver) return;
- code = StubCache::ComputeCallNormal(argc, in_loop, *name, *receiver);
+ code = StubCache::ComputeCallNormal(argc,
+ in_loop,
+ kind_,
+ *name,
+ *receiver);
}
break;
}
case INTERCEPTOR: {
ASSERT(HasInterceptorGetter(lookup->holder()));
- code = StubCache::ComputeCallInterceptor(argc, *name, *object,
+ code = StubCache::ComputeCallInterceptor(argc,
+ kind_,
+ *name,
+ *object,
lookup->holder());
break;
}
}
#ifdef DEBUG
- TraceIC("CallIC", name, state, target(), in_loop ? " (in-loop)" : "");
+ TraceIC(kind_ == Code::CALL_IC ? "CallIC" : "KeyedCallIC",
+ name, state, target(), in_loop ? " (in-loop)" : "");
#endif
}
+Object* KeyedCallIC::LoadFunction(State state,
+ Handle<Object> object,
+ Handle<Object> key) {
+ if (key->IsSymbol()) {
+ return CallICBase::LoadFunction(state, object, Handle<String>::cast(key));
+ }
+
+ if (object->IsUndefined() || object->IsNull()) {
+ return TypeError("non_object_property_call", object, key);
+ }
+
+ if (object->IsString() || object->IsNumber() || object->IsBoolean()) {
+ ReceiverToObject(object);
+ } else {
+ if (FLAG_use_ic && state != MEGAMORPHIC && !object->IsAccessCheckNeeded()) {
+ int argc = target()->arguments_count();
+ InLoopFlag in_loop = target()->ic_in_loop();
+ Object* code = StubCache::ComputeCallMegamorphic(
+ argc, in_loop, Code::KEYED_CALL_IC);
+ if (!code->IsFailure()) {
+ set_target(Code::cast(code));
+ }
+ }
+ }
+ Object* result = Runtime::GetObjectProperty(object, key);
+ if (result->IsJSFunction()) return result;
+ result = TryCallAsFunction(result);
+ return result->IsJSFunction() ?
+ result : TypeError("property_not_function", object, key);
+}
+
+
Object* LoadIC::Load(State state, Handle<Object> object, Handle<String> name) {
// If the object is undefined or null it's illegal to try to get any
// of its properties; throw a TypeError in that case.
// Static IC stub generators.
//
-// Used from ic_<arch>.cc.
+static Object* CompileFunction(Object* result,
+ Handle<Object> object,
+ InLoopFlag in_loop) {
+ // Compile now with optimization.
+ HandleScope scope;
+ Handle<JSFunction> function = Handle<JSFunction>(JSFunction::cast(result));
+ if (in_loop == IN_LOOP) {
+ CompileLazyInLoop(function, object, CLEAR_EXCEPTION);
+ } else {
+ CompileLazy(function, object, CLEAR_EXCEPTION);
+ }
+ return *function;
+}
+
+
+// Used from ic-<arch>.cc.
Object* CallIC_Miss(Arguments args) {
NoHandleAllocation na;
ASSERT(args.length() == 2);
if (!result->IsJSFunction() || JSFunction::cast(result)->is_compiled()) {
return result;
}
+ return CompileFunction(result, args.at<Object>(0), ic.target()->ic_in_loop());
+}
- // Compile now with optimization.
- HandleScope scope;
- Handle<JSFunction> function = Handle<JSFunction>(JSFunction::cast(result));
- InLoopFlag in_loop = ic.target()->ic_in_loop();
- if (in_loop == IN_LOOP) {
- CompileLazyInLoop(function, args.at<Object>(0), CLEAR_EXCEPTION);
- } else {
- CompileLazy(function, args.at<Object>(0), CLEAR_EXCEPTION);
+
+// Used from ic-<arch>.cc.
+Object* KeyedCallIC_Miss(Arguments args) {
+ NoHandleAllocation na;
+ ASSERT(args.length() == 2);
+ KeyedCallIC ic;
+ IC::State state = IC::StateFrom(ic.target(), args[0], args[1]);
+ Object* result =
+ ic.LoadFunction(state, args.at<Object>(0), args.at<Object>(1));
+
+ if (!result->IsJSFunction() || JSFunction::cast(result)->is_compiled()) {
+ return result;
}
- return *function;
+ return CompileFunction(result, args.at<Object>(0), ic.target()->ic_in_loop());
}
-// Used from ic
_<arch>.cc.
+// Used from ic
-<arch>.cc.
Object* LoadIC_Miss(Arguments args) {
NoHandleAllocation na;
ASSERT(args.length() == 2);
}
-// Used from ic
_<arch>.cc
+// Used from ic
-<arch>.cc
Object* KeyedLoadIC_Miss(Arguments args) {
NoHandleAllocation na;
ASSERT(args.length() == 2);
}
-// Used from ic
_<arch>.cc.
+// Used from ic
-<arch>.cc.
Object* StoreIC_Miss(Arguments args) {
NoHandleAllocation na;
ASSERT(args.length() == 3);
}
-// Used from ic
_<arch>.cc.
+// Used from ic
-<arch>.cc.
Object* KeyedStoreIC_Miss(Arguments args) {
NoHandleAllocation na;
ASSERT(args.length() == 3);
ICU(LoadIC_Miss) \
ICU(KeyedLoadIC_Miss) \
ICU(CallIC_Miss) \
+ ICU(KeyedCallIC_Miss) \
ICU(StoreIC_Miss) \
ICU(StoreIC_ArrayLength) \
ICU(SharedStoreIC_ExtendStorage) \
static Failure* TypeError(const char* type,
Handle<Object> object,
- Handle<String> name);
+ Handle<Object> key);
static Failure* ReferenceError(const char* type, Handle<String> name);
// Access the target code for the given IC address.
};
-class CallIC: public IC {
- public:
- CallIC() : IC(EXTRA_CALL_FRAME) { ASSERT(target()->is_call_stub()); }
+class CallICBase: public IC {
+ protected:
+ explicit CallICBase(Code::Kind kind) : IC(EXTRA_CALL_FRAME), kind_(kind) {}
+ public:
Object* LoadFunction(State state, Handle<Object> object, Handle<String> name);
+ protected:
+ Code::Kind kind_;
- // Code generator routines.
- static void GenerateInitialize(MacroAssembler* masm, int argc) {
- GenerateMiss(masm, argc);
- }
- static void GenerateMiss(MacroAssembler* masm, int argc);
- static void GenerateMegamorphic(MacroAssembler* masm, int argc);
- static void GenerateNormal(MacroAssembler* masm, int argc);
-
- private:
// Update the inline cache and the global stub cache based on the
// lookup result.
void UpdateCaches(LookupResult* lookup,
};
+class CallIC: public CallICBase {
+ public:
+ CallIC() : CallICBase(Code::CALL_IC) { ASSERT(target()->is_call_stub()); }
+
+ // Code generator routines.
+ static void GenerateInitialize(MacroAssembler* masm, int argc) {
+ GenerateMiss(masm, argc);
+ }
+ static void GenerateMiss(MacroAssembler* masm, int argc);
+ static void GenerateMegamorphic(MacroAssembler* masm, int argc);
+ static void GenerateNormal(MacroAssembler* masm, int argc);
+};
+
+
+class KeyedCallIC: public CallICBase {
+ public:
+ KeyedCallIC() : CallICBase(Code::KEYED_CALL_IC) {
+ ASSERT(target()->is_keyed_call_stub());
+ }
+
+ Object* LoadFunction(State state, Handle<Object> object, Handle<Object> key);
+
+ // Code generator routines.
+ static void GenerateInitialize(MacroAssembler* masm, int argc) {
+ GenerateMiss(masm, argc);
+ }
+ static void GenerateMiss(MacroAssembler* masm, int argc);
+ static void GenerateMegamorphic(MacroAssembler* masm, int argc);
+ static void GenerateNormal(MacroAssembler* masm, int argc);
+};
+
+
class LoadIC: public IC {
public:
LoadIC() : IC(NO_EXTRA_FRAME) { ASSERT(target()->is_load_stub()); }
description = "A call IC from the snapshot";
tag = Logger::CALL_IC_TAG;
break;
+ case Code::KEYED_CALL_IC:
+ description = "A keyed call IC from the snapshot";
+ tag = Logger::KEYED_CALL_IC_TAG;
+ break;
}
PROFILE(CodeCreateEvent(tag, code_object, description));
}
V(CALL_MISS_TAG, "CallMiss", "cm") \
V(CALL_NORMAL_TAG, "CallNormal", "cn") \
V(CALL_PRE_MONOMORPHIC_TAG, "CallPreMonomorphic", "cpm") \
+ V(KEYED_CALL_DEBUG_BREAK_TAG, "KeyedCallDebugBreak", "kcdb") \
+ V(KEYED_CALL_DEBUG_PREPARE_STEP_IN_TAG, \
+ "KeyedCallDebugPrepareStepIn", \
+ "kcdbsi") \
+ V(KEYED_CALL_IC_TAG, "KeyedCallIC", "kcic") \
+ V(KEYED_CALL_INITIALIZE_TAG, "KeyedCallInitialize", "kci") \
+ V(KEYED_CALL_MEGAMORPHIC_TAG, "KeyedCallMegamorphic", "kcmm") \
+ V(KEYED_CALL_MISS_TAG, "KeyedCallMiss", "kcm") \
+ V(KEYED_CALL_NORMAL_TAG, "KeyedCallNormal", "kcn") \
+ V(KEYED_CALL_PRE_MONOMORPHIC_TAG, \
+ "KeyedCallPreMonomorphic", \
+ "kcpm") \
V(CALLBACK_TAG, "Callback", "cb") \
V(EVAL_TAG, "Eval", "e") \
V(FUNCTION_TAG, "Function", "f") \
void Code::set_flags(Code::Flags flags) {
STATIC_ASSERT(Code::NUMBER_OF_KINDS <= (kFlagsKindMask >> kFlagsKindShift)+1);
// Make sure that all call stubs have an arguments count.
- ASSERT(ExtractKindFromFlags(flags) != CALL_IC ||
+ ASSERT((ExtractKindFromFlags(flags) != CALL_IC &&
+ ExtractKindFromFlags(flags) != KEYED_CALL_IC) ||
ExtractArgumentsCountFromFlags(flags) >= 0);
WRITE_INT_FIELD(this, kFlagsOffset, flags);
}
int Code::arguments_count() {
- ASSERT(is_call_stub() || kind() == STUB);
+ ASSERT(is_call_stub() || is_keyed_call_stub() || kind() == STUB);
return ExtractArgumentsCountFromFlags(flags());
}
case STORE_IC: return "STORE_IC";
case KEYED_STORE_IC: return "KEYED_STORE_IC";
case CALL_IC: return "CALL_IC";
+ case KEYED_CALL_IC: return "KEYED_CALL_IC";
case BINARY_OP_IC: return "BINARY_OP_IC";
}
UNREACHABLE();
LOAD_IC,
KEYED_LOAD_IC,
CALL_IC,
+ KEYED_CALL_IC,
STORE_IC,
KEYED_STORE_IC,
BINARY_OP_IC,
inline bool is_store_stub() { return kind() == STORE_IC; }
inline bool is_keyed_store_stub() { return kind() == KEYED_STORE_IC; }
inline bool is_call_stub() { return kind() == CALL_IC; }
+ inline bool is_keyed_call_stub() { return kind() == KEYED_CALL_IC; }
// [major_key]: For kind STUB or BINARY_OP_IC, the major key.
inline CodeStub::Major major_key();
CASE(STORE_IC);
CASE(KEYED_STORE_IC);
CASE(CALL_IC);
+ CASE(KEYED_CALL_IC);
CASE(BINARY_OP_IC);
}
}
return code;
}
+#define CALL_LOGGER_TAG(kind, type) \
+ (kind == Code::CALL_IC ? Logger::type : Logger::KEYED_##type)
Object* StubCache::ComputeCallConstant(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
Object* object,
JSObject* holder,
}
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::ComputeMonomorphicFlags(kind,
CONSTANT_FUNCTION,
in_loop,
argc);
// caches.
if (!function->is_compiled()) return Failure::InternalError();
// Compile the stub - only create stubs for fully compiled functions.
- CallStubCompiler compiler(argc, in_loop);
+ CallStubCompiler compiler(argc, in_loop, kind);
code = compiler.CompileCallConstant(object, holder, function, name, check);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = map->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
Object* StubCache::ComputeCallField(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
Object* object,
JSObject* holder,
object = holder;
}
- Code::Flags flags = Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::Flags flags = Code::ComputeMonomorphicFlags(kind,
FIELD,
in_loop,
argc);
Object* code = map->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- CallStubCompiler compiler(argc, in_loop);
+ CallStubCompiler compiler(argc, in_loop, kind);
code = compiler.CompileCallField(JSObject::cast(object),
holder,
index,
name);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = map->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
Object* StubCache::ComputeCallInterceptor(int argc,
+ Code::Kind kind,
String* name,
Object* object,
JSObject* holder) {
}
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::ComputeMonomorphicFlags(kind,
INTERCEPTOR,
NOT_IN_LOOP,
argc);
Object* code = map->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- CallStubCompiler compiler(argc, NOT_IN_LOOP);
+ CallStubCompiler compiler(argc, NOT_IN_LOOP, kind);
code = compiler.CompileCallInterceptor(JSObject::cast(object),
holder,
name);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = map->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
Object* StubCache::ComputeCallNormal(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
JSObject* receiver) {
- Object* code = ComputeCallNormal(argc, in_loop);
+ Object* code = ComputeCallNormal(argc, in_loop, kind);
if (code->IsFailure()) return code;
return Set(name, receiver->map(), Code::cast(code));
}
Object* StubCache::ComputeCallGlobal(int argc,
InLoopFlag in_loop,
+ Code::Kind kind,
String* name,
JSObject* receiver,
GlobalObject* holder,
JSGlobalPropertyCell* cell,
JSFunction* function) {
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::CALL_IC, NORMAL, in_loop, argc);
+ Code::ComputeMonomorphicFlags(kind,
+ NORMAL,
+ in_loop,
+ argc);
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
// If the function hasn't been compiled yet, we cannot do it now
// internal error which will make sure we do not update any
// caches.
if (!function->is_compiled()) return Failure::InternalError();
- CallStubCompiler compiler(argc, in_loop);
+ CallStubCompiler compiler(argc, in_loop, kind);
code = compiler.CompileCallGlobal(receiver, holder, cell, function, name);
if (code->IsFailure()) return code;
ASSERT_EQ(flags, Code::cast(code)->flags());
- PROFILE(CodeCreateEvent(Logger::CALL_IC_TAG, Code::cast(code), name));
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
+ Code::cast(code), name));
Object* result = receiver->map()->UpdateCodeCache(name, Code::cast(code));
if (result->IsFailure()) return result;
}
}
-Code* StubCache::FindCallInitialize(int argc, InLoopFlag in_loop) {
+Code* StubCache::FindCallInitialize(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, UNINITIALIZED, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, UNINITIALIZED, NORMAL, argc);
Object* result = ProbeCache(flags);
ASSERT(!result->IsUndefined());
// This might be called during the marking phase of the collector
}
-Object* StubCache::ComputeCallInitialize(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallInitialize(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, UNINITIALIZED, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, UNINITIALIZED, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
}
-Object* StubCache::ComputeCallPreMonomorphic(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallPreMonomorphic(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, PREMONOMORPHIC, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, PREMONOMORPHIC, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
}
-Object* StubCache::ComputeCallNormal(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallNormal(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, MONOMORPHIC, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, MONOMORPHIC, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
}
-Object* StubCache::ComputeCallMegamorphic(int argc, InLoopFlag in_loop) {
+Object* StubCache::ComputeCallMegamorphic(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, in_loop, MEGAMORPHIC, NORMAL, argc);
+ Code::ComputeFlags(kind, in_loop, MEGAMORPHIC, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
}
-Object* StubCache::ComputeCallMiss(int argc) {
- Code::Flags flags =
- Code::ComputeFlags(Code::STUB, NOT_IN_LOOP, MEGAMORPHIC, NORMAL, argc);
+Object* StubCache::ComputeCallMiss(int argc, Code::Kind kind) {
+ // MONOMORPHIC_PROTOTYPE_FAILURE state is used to make sure that miss stubs
+ // and monomorphic stubs are not mixed up together in the stub cache.
+ Code::Flags flags = Code::ComputeFlags(
+ kind, NOT_IN_LOOP, MONOMORPHIC_PROTOTYPE_FAILURE, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
#ifdef ENABLE_DEBUGGER_SUPPORT
-Object* StubCache::ComputeCallDebugBreak(int argc) {
+Object* StubCache::ComputeCallDebugBreak(int argc, Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC, NOT_IN_LOOP, DEBUG_BREAK, NORMAL, argc);
+ Code::ComputeFlags(kind, NOT_IN_LOOP, DEBUG_BREAK, NORMAL, argc);
Object* probe = ProbeCache(flags);
if (!probe->IsUndefined()) return probe;
StubCompiler compiler;
}
-Object* StubCache::ComputeCallDebugPrepareStepIn(int argc) {
+Object* StubCache::ComputeCallDebugPrepareStepIn(int argc, Code::Kind kind) {
Code::Flags flags =
- Code::ComputeFlags(Code::CALL_IC,
+ Code::ComputeFlags(kind,
NOT_IN_LOOP,
DEBUG_PREPARE_STEP_IN,
NORMAL,
// Support function for computing call IC miss stubs.
-Handle<Code> ComputeCallMiss(int argc) {
- CALL_HEAP_FUNCTION(StubCache::ComputeCallMiss(argc), Code);
+Handle<Code> ComputeCallMiss(int argc, Code::Kind kind) {
+ CALL_HEAP_FUNCTION(StubCache::ComputeCallMiss(argc, kind), Code);
}
Object* StubCompiler::CompileCallInitialize(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateInitialize(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateInitialize(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateInitialize(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallInitialize");
if (!result->IsFailure()) {
Counters::call_initialize_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_INITIALIZE_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_INITIALIZE_TAG),
code, code->arguments_count()));
}
return result;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
// The code of the PreMonomorphic stub is the same as the code
// of the Initialized stub. They just differ on the code object flags.
- CallIC::GenerateInitialize(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateInitialize(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateInitialize(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallPreMonomorphic");
if (!result->IsFailure()) {
Counters::call_premonomorphic_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_PRE_MONOMORPHIC_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_PRE_MONOMORPHIC_TAG),
code, code->arguments_count()));
}
return result;
Object* StubCompiler::CompileCallNormal(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateNormal(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateNormal(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateNormal(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallNormal");
if (!result->IsFailure()) {
Counters::call_normal_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_NORMAL_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_NORMAL_TAG),
code, code->arguments_count()));
}
return result;
Object* StubCompiler::CompileCallMegamorphic(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateMegamorphic(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateMegamorphic(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateMegamorphic(masm(), argc);
+ }
+
Object* result = GetCodeWithFlags(flags, "CompileCallMegamorphic");
if (!result->IsFailure()) {
Counters::call_megamorphic_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_MEGAMORPHIC_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG),
code, code->arguments_count()));
}
return result;
Object* StubCompiler::CompileCallMiss(Code::Flags flags) {
HandleScope scope;
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateMiss(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateMiss(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateMiss(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallMiss");
if (!result->IsFailure()) {
Counters::call_megamorphic_stubs.Increment();
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_MISS_TAG,
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MISS_TAG),
code, code->arguments_count()));
}
return result;
if (!result->IsFailure()) {
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_DEBUG_BREAK_TAG,
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_DEBUG_BREAK_TAG),
code, code->arguments_count()));
}
return result;
// Use the same code for the the step in preparations as we do for
// the miss case.
int argc = Code::ExtractArgumentsCountFromFlags(flags);
- CallIC::GenerateMiss(masm(), argc);
+ Code::Kind kind = Code::ExtractKindFromFlags(flags);
+ if (kind == Code::CALL_IC) {
+ CallIC::GenerateMiss(masm(), argc);
+ } else {
+ KeyedCallIC::GenerateMiss(masm(), argc);
+ }
Object* result = GetCodeWithFlags(flags, "CompileCallDebugPrepareStepIn");
if (!result->IsFailure()) {
Code* code = Code::cast(result);
USE(code);
- PROFILE(CodeCreateEvent(Logger::CALL_DEBUG_PREPARE_STEP_IN_TAG,
- code, code->arguments_count()));
+ PROFILE(CodeCreateEvent(
+ CALL_LOGGER_TAG(kind, CALL_DEBUG_PREPARE_STEP_IN_TAG),
+ code,
+ code->arguments_count()));
}
return result;
}
#endif
+#undef CALL_LOGGER_TAG
Object* StubCompiler::GetCodeWithFlags(Code::Flags flags, const char* name) {
// Check for allocation failures during stub compilation.
Object* CallStubCompiler::GetCode(PropertyType type, String* name) {
int argc = arguments_.immediate();
- Code::Flags flags = Code::ComputeMonomorphicFlags(Code::CALL_IC,
+ Code::Flags flags = Code::ComputeMonomorphicFlags(kind_,
type,
in_loop_,
argc);
static Object* ComputeCallField(int argc,
InLoopFlag in_loop,
+ Code::Kind,
String* name,
Object* object,
JSObject* holder,
static Object* ComputeCallConstant(int argc,
InLoopFlag in_loop,
+ Code::Kind,
String* name,
Object* object,
JSObject* holder,
static Object* ComputeCallNormal(int argc,
InLoopFlag in_loop,
+ Code::Kind,
String* name,
JSObject* receiver);
static Object* ComputeCallInterceptor(int argc,
+ Code::Kind,
String* name,
Object* object,
JSObject* holder);
static Object* ComputeCallGlobal(int argc,
InLoopFlag in_loop,
+ Code::Kind,
String* name,
JSObject* receiver,
GlobalObject* holder,
// ---
- static Object* ComputeCallInitialize(int argc, InLoopFlag in_loop);
- static Object* ComputeCallPreMonomorphic(int argc, InLoopFlag in_loop);
- static Object* ComputeCallNormal(int argc, InLoopFlag in_loop);
- static Object* ComputeCallMegamorphic(int argc, InLoopFlag in_loop);
- static Object* ComputeCallMiss(int argc);
+ static Object* ComputeCallInitialize(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind);
+
+ static Object* ComputeCallPreMonomorphic(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind);
+
+ static Object* ComputeCallNormal(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind);
+
+ static Object* ComputeCallMegamorphic(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind);
+
+ static Object* ComputeCallMiss(int argc, Code::Kind kind);
// Finds the Code object stored in the Heap::non_monomorphic_cache().
- static Code* FindCallInitialize(int argc, InLoopFlag in_loop);
+ static Code* FindCallInitialize(int argc,
+ InLoopFlag in_loop,
+ Code::Kind kind);
#ifdef ENABLE_DEBUGGER_SUPPORT
- static Object* ComputeCallDebugBreak(int argc);
- static Object* ComputeCallDebugPrepareStepIn(int argc);
+ static Object* ComputeCallDebugBreak(int argc, Code::Kind kind);
+
+ static Object* ComputeCallDebugPrepareStepIn(int argc, Code::Kind kind);
#endif
static Object* ComputeLazyCompile(int argc);
// Clear the lookup table (@ mark compact collection).
static void Clear();
- // Functions for generating stubs at startup.
- static void GenerateMiss(MacroAssembler* masm);
-
// Generate code for probing the stub cache table.
// If extra != no_reg it might be used as am extra scratch register.
static void GenerateProbe(MacroAssembler* masm,
// Support function for computing call IC miss stubs.
-Handle<Code> ComputeCallMiss(int argc);
+Handle<Code> ComputeCallMiss(int argc, Code::Kind kind);
// The stub compiler compiles stubs for the stub cache.
kNumCallGenerators
};
- CallStubCompiler(int argc, InLoopFlag in_loop)
- : arguments_(argc), in_loop_(in_loop) { }
+ CallStubCompiler(int argc, InLoopFlag in_loop, Code::Kind kind)
+ : arguments_(argc), in_loop_(in_loop), kind_(kind) { }
Object* CompileCallField(JSObject* object,
JSObject* holder,
private:
const ParameterCount arguments_;
const InLoopFlag in_loop_;
+ const Code::Kind kind_;
const ParameterCount& arguments() { return arguments_; }
// Convenience function. Calls GetCode above passing
// CONSTANT_FUNCTION type and the name of the given function.
Object* GetCode(JSFunction* function);
+
+ void GenerateNameCheck(String* name, Label* miss);
+
+ void GenerateMissBranch();
};
static Handle<Code> ComputeCallInitialize(int argc, InLoopFlag in_loop);
+ static Handle<Code> ComputeKeyedCallInitialize(int argc, InLoopFlag in_loop);
+
// Declare global variables and functions in the given array of
// name/value pairs.
void DeclareGlobals(Handle<FixedArray> pairs);
}
+void KeyedCallIC::GenerateMiss(MacroAssembler* masm, int argc) {
+ UNREACHABLE();
+}
+
+
+void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
+ UNREACHABLE();
+}
+
+
+void KeyedCallIC::GenerateNormal(MacroAssembler* masm, int argc) {
+ UNREACHABLE();
+}
+
+
// The offset from the inlined patch site to the start of the
// inlined load instruction.
const int LoadIC::kOffsetToLoadInstruction = 20;
#define __ ACCESS_MASM((masm()))
+void CallStubCompiler::GenerateMissBranch() {
+ Handle<Code> ic = ComputeCallMiss(arguments().immediate(), kind_);
+ __ Jump(ic, RelocInfo::CODE_TARGET);
+}
+
+
Object* CallStubCompiler::CompileCallConstant(Object* object,
JSObject* holder,
JSFunction* function,
// Handle call cache miss.
__ bind(&miss_in_smi_check);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
// Handle call cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(FIELD, name);
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
1);
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ jmp(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(function);
// Handle load cache miss.
__ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(argc);
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(INTERCEPTOR, name);
// Handle call cache miss.
__ bind(&miss);
__ IncrementCounter(&Counters::call_global_inline_miss, 1);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(ic, RelocInfo::CODE_TARGET);
+ GenerateMissBranch();
// Return the generated code.
return GetCode(NORMAL, name);
}
+v8::Handle<Value> keyed_call_ic_function;
+
+static v8::Handle<Value> InterceptorKeyedCallICGetter(
+ Local<String> name, const AccessorInfo& info) {
+ ApiTestFuzzer::Fuzz();
+ if (v8_str("x")->Equals(name)) {
+ return keyed_call_ic_function;
+ }
+ return v8::Handle<Value>();
+}
+
+
+// Test the case when we stored cacheable lookup into
+// a stub, but the function name changed (to another cacheable function).
+THREADED_TEST(InterceptorKeyedCallICKeyChange1) {
+ v8::HandleScope scope;
+ v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
+ templ->SetNamedPropertyHandler(NoBlockGetterX);
+ LocalContext context;
+ context->Global()->Set(v8_str("o"), templ->NewInstance());
+ v8::Handle<Value> value = CompileRun(
+ "proto = new Object();"
+ "proto.y = function(x) { return x + 1; };"
+ "proto.z = function(x) { return x - 1; };"
+ "o.__proto__ = proto;"
+ "var result = 0;"
+ "var method = 'y';"
+ "for (var i = 0; i < 10; i++) {"
+ " if (i == 5) { method = 'z'; };"
+ " result += o[method](41);"
+ "}");
+ CHECK_EQ(42*5 + 40*5, context->Global()->Get(v8_str("result"))->Int32Value());
+}
+
+
+// Test the case when we stored cacheable lookup into
+// a stub, but the function name changed (and the new function is present
+// both before and after the interceptor in the prototype chain).
+THREADED_TEST(InterceptorKeyedCallICKeyChange2) {
+ v8::HandleScope scope;
+ v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
+ templ->SetNamedPropertyHandler(InterceptorKeyedCallICGetter);
+ LocalContext context;
+ context->Global()->Set(v8_str("proto1"), templ->NewInstance());
+ keyed_call_ic_function =
+ v8_compile("function f(x) { return x - 1; }; f")->Run();
+ v8::Handle<Value> value = CompileRun(
+ "o = new Object();"
+ "proto2 = new Object();"
+ "o.y = function(x) { return x + 1; };"
+ "proto2.y = function(x) { return x + 2; };"
+ "o.__proto__ = proto1;"
+ "proto1.__proto__ = proto2;"
+ "var result = 0;"
+ "var method = 'x';"
+ "for (var i = 0; i < 10; i++) {"
+ " if (i == 5) { method = 'y'; };"
+ " result += o[method](41);"
+ "}");
+ CHECK_EQ(42*5 + 40*5, context->Global()->Get(v8_str("result"))->Int32Value());
+}
+
+
+// Same as InterceptorKeyedCallICKeyChange1 only the cacheable function sit
+// on the global object.
+THREADED_TEST(InterceptorKeyedCallICKeyChangeOnGlobal) {
+ v8::HandleScope scope;
+ v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
+ templ->SetNamedPropertyHandler(NoBlockGetterX);
+ LocalContext context;
+ context->Global()->Set(v8_str("o"), templ->NewInstance());
+ v8::Handle<Value> value = CompileRun(
+ "function inc(x) { return x + 1; };"
+ "inc(1);"
+ "function dec(x) { return x - 1; };"
+ "dec(1);"
+ "o.__proto__ = this;"
+ "this.__proto__.x = inc;"
+ "this.__proto__.y = dec;"
+ "var result = 0;"
+ "var method = 'x';"
+ "for (var i = 0; i < 10; i++) {"
+ " if (i == 5) { method = 'y'; };"
+ " result += o[method](41);"
+ "}");
+ CHECK_EQ(42*5 + 40*5, context->Global()->Get(v8_str("result"))->Int32Value());
+}
+
+
+// Test the case when actual function to call sits on global object.
+THREADED_TEST(InterceptorKeyedCallICFromGlobal) {
+ v8::HandleScope scope;
+ v8::Handle<v8::ObjectTemplate> templ_o = ObjectTemplate::New();
+ templ_o->SetNamedPropertyHandler(NoBlockGetterX);
+ LocalContext context;
+ context->Global()->Set(v8_str("o"), templ_o->NewInstance());
+
+ v8::Handle<Value> value = CompileRun(
+ "function len(x) { return x.length; };"
+ "o.__proto__ = this;"
+ "var m = 'parseFloat';"
+ "var result = 0;"
+ "for (var i = 0; i < 10; i++) {"
+ " if (i == 5) {"
+ " m = 'len';"
+ " saved_result = result;"
+ " };"
+ " result = o[m]('239');"
+ "}");
+ CHECK_EQ(3, context->Global()->Get(v8_str("result"))->Int32Value());
+ CHECK_EQ(239, context->Global()->Get(v8_str("saved_result"))->Int32Value());
+}
+
+// Test the map transition before the interceptor.
+THREADED_TEST(InterceptorKeyedCallICMapChangeBefore) {
+ v8::HandleScope scope;
+ v8::Handle<v8::ObjectTemplate> templ_o = ObjectTemplate::New();
+ templ_o->SetNamedPropertyHandler(NoBlockGetterX);
+ LocalContext context;
+ context->Global()->Set(v8_str("proto"), templ_o->NewInstance());
+
+ v8::Handle<Value> value = CompileRun(
+ "var o = new Object();"
+ "o.__proto__ = proto;"
+ "o.method = function(x) { return x + 1; };"
+ "var m = 'method';"
+ "var result = 0;"
+ "for (var i = 0; i < 10; i++) {"
+ " if (i == 5) { o.method = function(x) { return x - 1; }; };"
+ " result += o[m](41);"
+ "}");
+ CHECK_EQ(42*5 + 40*5, context->Global()->Get(v8_str("result"))->Int32Value());
+}
+
+
+// Test the map transition after the interceptor.
+THREADED_TEST(InterceptorKeyedCallICMapChangeAfter) {
+ v8::HandleScope scope;
+ v8::Handle<v8::ObjectTemplate> templ_o = ObjectTemplate::New();
+ templ_o->SetNamedPropertyHandler(NoBlockGetterX);
+ LocalContext context;
+ context->Global()->Set(v8_str("o"), templ_o->NewInstance());
+
+ v8::Handle<Value> value = CompileRun(
+ "var proto = new Object();"
+ "o.__proto__ = proto;"
+ "proto.method = function(x) { return x + 1; };"
+ "var m = 'method';"
+ "var result = 0;"
+ "for (var i = 0; i < 10; i++) {"
+ " if (i == 5) { proto.method = function(x) { return x - 1; }; };"
+ " result += o[m](41);"
+ "}");
+ CHECK_EQ(42*5 + 40*5, context->Global()->Get(v8_str("result"))->Int32Value());
+}
+
+
static int interceptor_call_count = 0;
static v8::Handle<Value> InterceptorICRefErrorGetter(Local<String> name,
static Handle<Code> ComputeCallDebugBreak(int argc) {
- CALL_HEAP_FUNCTION(v8::internal::StubCache::ComputeCallDebugBreak(argc),
- Code);
+ CALL_HEAP_FUNCTION(
+ v8::internal::StubCache::ComputeCallDebugBreak(argc, Code::CALL_IC),
+ Code);
}
--- /dev/null
+// 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
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// A test for keyed call ICs.
+
+var toStringName = 'toString';
+var global = this;
+
+function globalFunction1() {
+ return 'function1';
+}
+
+function globalFunction2() {
+ return 'function2';
+}
+
+assertEquals("[object global]", this[toStringName]());
+assertEquals("[object global]", global[toStringName]());
+
+function testGlobals() {
+ assertEquals("[object global]", this[toStringName]());
+ assertEquals("[object global]", global[toStringName]());
+}
+
+testGlobals();
+
+
+function F() {}
+
+F.prototype.one = function() {return 'one'; }
+F.prototype.two = function() {return 'two'; }
+F.prototype.three = function() {return 'three'; }
+
+var keys =
+ ['one', 'one', 'one', 'one', 'two', 'two', 'one', 'three', 'one', 'two'];
+
+function testKeyTransitions() {
+ var i, key, result, message;
+
+ var f = new F();
+
+ // Custom call generators
+ var array = [];
+ for (i = 0; i != 10; i++) {
+ key = (i < 8) ? 'push' : 'pop';
+ array[key](i);
+ }
+
+ assertEquals(6, array.length);
+ for (i = 0; i != array.length; i++) {
+ assertEquals(i, array[i]);
+ }
+
+ for (i = 0; i != 10; i++) {
+ key = (i < 3) ? 'pop' : 'push';
+ array[key](i);
+ }
+
+ assertEquals(10, array.length);
+ for (i = 0; i != array.length; i++) {
+ assertEquals(i, array[i]);
+ }
+
+ var string = 'ABCDEFGHIJ';
+ for (i = 0; i != 10; i++) {
+ key = ((i < 5) ? 'charAt' : 'charCodeAt');
+ result = string[key](i);
+ message = '\'' + string + '\'[\'' + key + '\'](' + i + ')';
+ if (i < 5) {
+ assertEquals(string.charAt(i), result, message);
+ } else {
+ assertEquals(string.charCodeAt(i), result, message);
+ }
+ }
+
+ for (i = 0; i != 10; i++) {
+ key = ((i < 5) ? 'charCodeAt' : 'charAt');
+ result = string[key](i);
+ message = '\'' + string + '\'[\'' + key + '\'](' + i + ')';
+ if (i < 5) {
+ assertEquals(string.charCodeAt(i), result, message);
+ } else {
+ assertEquals(string.charAt(i), result, message);
+ }
+ }
+
+ // Function is a constant property
+ key = 'one';
+ for (i = 0; i != 10; i++) {
+ assertEquals(key, f[key]());
+ if (i == 5) {
+ key = 'two'; // the name change should case a miss
+ }
+ }
+
+ // Function is a fast property
+ f.field = function() { return 'field'; }
+ key = 'field';
+ for (i = 0; i != 10; i++) {
+ assertEquals(key, f[key]());
+ if (i == 5) {
+ key = 'two'; // the name change should case a miss
+ }
+ }
+
+ // Calling on slow case object
+ f.prop = 0;
+ delete f.prop; // force the object to the slow case
+ f.four = function() { return 'four'; }
+ f.five = function() { return 'five'; }
+
+ key = 'four';
+ for (i = 0; i != 10; i++) {
+ assertEquals(key, f[key]());
+ if (i == 5) {
+ key = 'five';
+ }
+ }
+
+ // Calling on global object
+ key = 'globalFunction1';
+ var expect = 'function1';
+ for (i = 0; i != 10; i++) {
+ assertEquals(expect, global[key]());
+ if (i == 5) {
+ key = 'globalFunction2';
+ expect = 'function2';
+ }
+ }
+}
+
+testKeyTransitions();
+
+function testTypeTransitions() {
+ var f = new F();
+ var s = '';
+ var m = 'one';
+ var i;
+
+ s = '';
+ for (i = 0; i != 10; i++) {
+ if (i == 5) { F.prototype.one = function() { return '1'; } }
+ s += f[m]();
+ }
+ assertEquals("oneoneoneoneone11111", s);
+
+ s = '';
+ for (i = 0; i != 10; i++) {
+ if (i == 5) { f.__proto__ = { one: function() { return 'I'; } } }
+ s += f[m]();
+ }
+ assertEquals("11111IIIII", s);
+
+ s = '';
+ for (i = 0; i != 10; i++) {
+ if (i == 5) { f.one = function() { return 'ONE'; } }
+ s += f[m]();
+ }
+ assertEquals("IIIIIONEONEONEONEONE", s);
+
+ m = 'toString';
+
+ s = '';
+ var obj = { toString: function() { return '2'; } };
+ for (i = 0; i != 10; i++) {
+ if (i == 5) { obj = "TWO"; }
+ s += obj[m]();
+ }
+ assertEquals("22222TWOTWOTWOTWOTWO", s);
+
+ s = '';
+ obj = { toString: function() { return 'ONE'; } };
+ m = 'toString';
+ for (i = 0; i != 10; i++) {
+ if (i == 5) { obj = 1; }
+ s += obj[m]();
+ }
+ assertEquals("ONEONEONEONEONE11111", s);
+}
+
+testTypeTransitions();
projects / platform / upstream / v8.git / commitdiff