}
-class CallFunctionStub: public CodeStub {
- public:
- CallFunctionStub(int argc, InLoopFlag in_loop)
- : argc_(argc), in_loop_(in_loop) {}
-
- void Generate(MacroAssembler* masm);
-
- private:
- int argc_;
- InLoopFlag in_loop_;
-
-#if defined(DEBUG)
- void Print() { PrintF("CallFunctionStub (argc %d)\n", argc_); }
-#endif // defined(DEBUG)
-
- Major MajorKey() { return CallFunction; }
- int MinorKey() { return argc_; }
- InLoopFlag InLoop() { return in_loop_; }
-};
-
-
// Call the function on the stack with the given arguments.
void CodeGenerator::CallWithArguments(ZoneList<Expression*>* args,
int position) {
};
+class CallFunctionStub: public CodeStub {
+ public:
+ CallFunctionStub(int argc, InLoopFlag in_loop)
+ : argc_(argc), in_loop_(in_loop) {}
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ int argc_;
+ InLoopFlag in_loop_;
+
+#if defined(DEBUG)
+ void Print() { PrintF("CallFunctionStub (argc %d)\n", argc_); }
+#endif // defined(DEBUG)
+
+ Major MajorKey() { return CallFunction; }
+ int MinorKey() { return argc_; }
+ InLoopFlag InLoop() { return in_loop_; }
+};
+
+
class GenericBinaryOpStub : public CodeStub {
public:
GenericBinaryOpStub(Token::Value op,
// Emit a 'return undefined' in case control fell off the end of the
// body.
__ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
- SetReturnPosition(fun);
- if (FLAG_trace) {
- // Push the return value on the stack as the parameter.
- // Runtime::TraceExit returns its parameter in r0.
- __ push(r0);
- __ CallRuntime(Runtime::kTraceExit, 1);
+ }
+ { Comment cmnt(masm_, "Return sequence");
+ if (return_label_.is_bound()) {
+ __ b(&return_label_);
+ } else {
+ __ bind(&return_label_);
+ SetReturnPosition(fun);
+ if (FLAG_trace) {
+ // Push the return value on the stack as the parameter.
+ // Runtime::TraceExit returns its parameter in r0.
+ __ push(r0);
+ __ CallRuntime(Runtime::kTraceExit, 1);
+ }
+ __ RecordJSReturn();
+ __ mov(sp, fp);
+ __ ldm(ia_w, sp, fp.bit() | lr.bit());
+ int num_parameters = function_->scope()->num_parameters();
+ __ add(sp, sp, Operand((num_parameters + 1) * kPointerSize));
+ __ Jump(lr);
}
-
- __ RecordJSReturn();
- __ mov(sp, fp);
- __ ldm(ia_w, sp, fp.bit() | lr.bit());
- int num_parameters = function_->scope()->num_parameters();
- __ add(sp, sp, Operand((num_parameters + 1) * kPointerSize));
- __ Jump(lr);
}
}
Visit(expr);
__ pop(r0);
}
-
- if (FLAG_trace) {
- __ push(r0);
- __ CallRuntime(Runtime::kTraceExit, 1);
+ if (return_label_.is_bound()) {
+ __ b(&return_label_);
+ } else {
+ __ bind(&return_label_);
+ if (FLAG_trace) {
+ __ push(r0);
+ __ CallRuntime(Runtime::kTraceExit, 1);
+ }
+ __ RecordJSReturn();
+ __ mov(sp, fp);
+ __ ldm(ia_w, sp, fp.bit() | lr.bit());
+ int num_parameters = function_->scope()->num_parameters();
+ __ add(sp, sp, Operand((num_parameters + 1) * kPointerSize));
+ __ Jump(lr);
}
-
- __ RecordJSReturn();
- __ mov(sp, fp);
- __ ldm(ia_w, sp, fp.bit() | lr.bit());
- int num_parameters = function_->scope()->num_parameters();
- __ add(sp, sp, Operand((num_parameters + 1) * kPointerSize));
- __ Jump(lr);
}
DropAndMove(expr->context(), r0);
}
-
-void FastCodeGenerator::VisitCall(Call* expr) {
- Comment cmnt(masm_, "[ Call");
- Expression* fun = expr->expression();
+void FastCodeGenerator::EmitCallWithIC(Call* expr, RelocInfo::Mode reloc_info) {
+ // Code common for calls using the IC.
ZoneList<Expression*>* args = expr->arguments();
- Variable* var = fun->AsVariableProxy()->AsVariable();
- ASSERT(var != NULL && !var->is_this() && var->is_global());
- ASSERT(!var->is_possibly_eval());
-
- __ mov(r1, Operand(var->name()));
- // Push global object as receiver.
- __ ldr(r0, CodeGenerator::GlobalObject());
- __ stm(db_w, sp, r1.bit() | r0.bit());
int arg_count = args->length();
for (int i = 0; i < arg_count; i++) {
Visit(args->at(i));
ASSERT_EQ(Expression::kValue, args->at(i)->context());
}
- // Record source position for debugger
+ // Record source position for debugger.
SetSourcePosition(expr->position());
// Call the IC initialization code.
Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count,
NOT_IN_LOOP);
- __ Call(ic, RelocInfo::CODE_TARGET_CONTEXT);
+ __ Call(ic, reloc_info);
+ // Restore context register.
+ __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ // Discard the function left on TOS.
+ DropAndMove(expr->context(), r0);
+}
+
+
+void FastCodeGenerator::EmitCallWithStub(Call* expr) {
+ // Code common for calls using the call stub.
+ ZoneList<Expression*>* args = expr->arguments();
+ int arg_count = args->length();
+ for (int i = 0; i < arg_count; i++) {
+ Visit(args->at(i));
+ }
+ // Record source position for debugger.
+ SetSourcePosition(expr->position());
+ CallFunctionStub stub(arg_count, NOT_IN_LOOP);
+ __ CallStub(&stub);
// Restore context register.
__ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ // Discard the function left on TOS.
DropAndMove(expr->context(), r0);
}
+void FastCodeGenerator::VisitCall(Call* expr) {
+ Expression* fun = expr->expression();
+
+ if (fun->AsProperty() != NULL) {
+ // Call on a property.
+ Property* prop = fun->AsProperty();
+ Literal* key = prop->key()->AsLiteral();
+ if (key != NULL && key->handle()->IsSymbol()) {
+ // Call on a named property: foo.x(1,2,3)
+ __ mov(r0, Operand(key->handle()));
+ __ push(r0);
+ Visit(prop->obj());
+ // Use call IC.
+ EmitCallWithIC(expr, RelocInfo::CODE_TARGET);
+ } else {
+ // Call on a keyed property : foo[key](1,2,3)
+ // Use a keyed load IC followed by a call IC.
+ Visit(prop->obj());
+ Visit(prop->key());
+ // Record source position of property.
+ SetSourcePosition(prop->position());
+ Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
+ __ Call(ic, RelocInfo::CODE_TARGET);
+ // Load receiver object into r1.
+ if (prop->is_synthetic()) {
+ __ ldr(r1, CodeGenerator::GlobalObject());
+ } else {
+ __ ldr(r1, MemOperand(sp, kPointerSize));
+ }
+ // Overwrite (object, key) with (function, receiver).
+ __ str(r0, MemOperand(sp, kPointerSize));
+ __ str(r1, MemOperand(sp));
+ EmitCallWithStub(expr);
+ }
+ } else if (fun->AsVariableProxy()->AsVariable() != NULL) {
+ // Call on a global variable
+ Variable* var = fun->AsVariableProxy()->AsVariable();
+ ASSERT(var != NULL && !var->is_this() && var->is_global());
+ ASSERT(!var->is_possibly_eval());
+ __ mov(r1, Operand(var->name()));
+ // Push global object as receiver.
+ __ ldr(r0, CodeGenerator::GlobalObject());
+ __ stm(db_w, sp, r1.bit() | r0.bit());
+ EmitCallWithIC(expr, RelocInfo::CODE_TARGET_CONTEXT);
+ } else {
+ // Calls we cannot handle right now.
+ // Should bailout in the CodeGenSelector.
+ UNREACHABLE();
+ }
+}
+
+
void FastCodeGenerator::VisitCallNew(CallNew* expr) {
Comment cmnt(masm_, "[ CallNew");
// According to ECMA-262, section 11.2.2, page 44, the function
// ----------------------------------
// JavaScript example: 'foo(1, 2, 3)' // foo is global
// ----------------------------------
+ } else if (fun->AsProperty() != NULL) {
+ // ------------------------------------------------------------------
+ // JavaScript example: 'object.foo(1, 2, 3)' or 'map["key"](1, 2, 3)'
+ // ------------------------------------------------------------------
+ Property* prop = fun->AsProperty();
+ Literal* literal_key = prop->key()->AsLiteral();
+ if (literal_key != NULL && literal_key->handle()->IsSymbol()) {
+ ProcessExpression(prop->obj(), Expression::kValue);
+ CHECK_BAILOUT;
+ } else {
+ ProcessExpression(prop->obj(), Expression::kValue);
+ CHECK_BAILOUT;
+ ProcessExpression(prop->key(), Expression::kValue);
+ CHECK_BAILOUT;
+ }
} else {
- BAILOUT("Call to a non-global function");
+ BAILOUT("Unsupported call to a function");
}
// Check all arguments to the call. (Relies on TEMP meaning STACK.)
for (int i = 0; i < args->length(); i++) {
Handle<JSFunction> BuildBoilerplate(FunctionLiteral* fun);
void DeclareGlobals(Handle<FixedArray> pairs);
+ void EmitCallWithStub(Call* expr);
+ void EmitCallWithIC(Call* expr, RelocInfo::Mode reloc_info);
+
void SetFunctionPosition(FunctionLiteral* fun);
void SetReturnPosition(FunctionLiteral* fun);
void SetStatementPosition(Statement* stmt);
FunctionLiteral* function_;
Handle<Script> script_;
bool is_eval_;
+ Label return_label_;
DISALLOW_COPY_AND_ASSIGN(FastCodeGenerator);
};
}
-class CallFunctionStub: public CodeStub {
- public:
- CallFunctionStub(int argc, InLoopFlag in_loop)
- : argc_(argc), in_loop_(in_loop) { }
-
- void Generate(MacroAssembler* masm);
-
- private:
- int argc_;
- InLoopFlag in_loop_;
-
-#ifdef DEBUG
- void Print() { PrintF("CallFunctionStub (args %d)\n", argc_); }
-#endif
-
- Major MajorKey() { return CallFunction; }
- int MinorKey() { return argc_; }
- InLoopFlag InLoop() { return in_loop_; }
-};
-
-
// Call the function just below TOS on the stack with the given
// arguments. The receiver is the TOS.
void CodeGenerator::CallWithArguments(ZoneList<Expression*>* args,
};
+class CallFunctionStub: public CodeStub {
+ public:
+ CallFunctionStub(int argc, InLoopFlag in_loop)
+ : argc_(argc), in_loop_(in_loop) { }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ int argc_;
+ InLoopFlag in_loop_;
+
+#ifdef DEBUG
+ void Print() { PrintF("CallFunctionStub (args %d)\n", argc_); }
+#endif
+
+ Major MajorKey() { return CallFunction; }
+ int MinorKey() { return argc_; }
+ InLoopFlag InLoop() { return in_loop_; }
+};
+
+
class ToBooleanStub: public CodeStub {
public:
ToBooleanStub() { }
}
}
+ { Comment cmnt(masm_, "[ Declarations");
+ VisitDeclarations(fun->scope()->declarations());
+ }
+
{ Comment cmnt(masm_, "[ Stack check");
Label ok;
ExternalReference stack_guard_limit =
__ bind(&ok);
}
- { Comment cmnt(masm_, "[ Declarations");
- VisitDeclarations(fun->scope()->declarations());
- }
-
if (FLAG_trace) {
__ CallRuntime(Runtime::kTraceEnter, 0);
}
// Emit a 'return undefined' in case control fell off the end of the
// body.
__ mov(eax, Factory::undefined_value());
+ }
+ { Comment cmnt(masm_, "[ Return sequence");
SetReturnPosition(fun);
- if (FLAG_trace) {
- __ push(eax);
- __ CallRuntime(Runtime::kTraceExit, 1);
+ if (return_label_.is_bound()) {
+ __ jmp(&return_label_);
+ } else {
+ // Common return label
+ __ bind(&return_label_);
+
+ if (FLAG_trace) {
+ __ push(eax);
+ __ CallRuntime(Runtime::kTraceExit, 1);
+ }
+ __ RecordJSReturn();
+ // Do not use the leave instruction here because it is too short to
+ // patch with the code required by the debugger.
+ __ mov(esp, ebp);
+ __ pop(ebp);
+ __ ret((fun->scope()->num_parameters() + 1) * kPointerSize);
}
- __ RecordJSReturn();
- // Do not use the leave instruction here because it is too short to
- // patch with the code required by the debugger.
- __ mov(esp, ebp);
- __ pop(ebp);
- __ ret((fun->scope()->num_parameters() + 1) * kPointerSize);
}
}
__ pop(eax);
}
- if (FLAG_trace) {
- __ push(eax);
- __ CallRuntime(Runtime::kTraceExit, 1);
- }
- __ RecordJSReturn();
+ if (return_label_.is_bound()) {
+ __ jmp(&return_label_);
+ } else {
+ __ bind(&return_label_);
- // Do not use the leave instruction here because it is too short to
- // patch with the code required by the debugger.
- __ mov(esp, ebp);
- __ pop(ebp);
- __ ret((function_->scope()->num_parameters() + 1) * kPointerSize);
+ if (FLAG_trace) {
+ __ push(eax);
+ __ CallRuntime(Runtime::kTraceExit, 1);
+ }
+
+ __ RecordJSReturn();
+
+ // Do not use the leave instruction here because it is too short to
+ // patch with the code required by the debugger.
+ __ mov(esp, ebp);
+ __ pop(ebp);
+ __ ret((function_->scope()->num_parameters() + 1) * kPointerSize);
+ }
}
Visit(rhs);
__ pop(eax);
}
+ // Record position for debugger.
+ SetSourcePosition(expr->position());
__ mov(ecx, var->name());
__ push(CodeGenerator::GlobalObject());
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
// Evaluate receiver.
Visit(expr->obj());
+
if (key->AsLiteral() != NULL && key->AsLiteral()->handle()->IsSymbol() &&
!String::cast(*(key->AsLiteral()->handle()))->AsArrayIndex(&dummy)) {
// Do a NAMED property load.
}
-void FastCodeGenerator::VisitCall(Call* expr) {
- Expression* fun = expr->expression();
+void FastCodeGenerator::EmitCallWithIC(Call* expr, RelocInfo::Mode reloc_info) {
+ // Code common for calls using the IC.
ZoneList<Expression*>* args = expr->arguments();
- Variable* var = fun->AsVariableProxy()->AsVariable();
- ASSERT(var != NULL && !var->is_this() && var->is_global());
- ASSERT(!var->is_possibly_eval());
-
- __ push(Immediate(var->name()));
- // Push global object (receiver).
- __ push(CodeGenerator::GlobalObject());
int arg_count = args->length();
for (int i = 0; i < arg_count; i++) {
Visit(args->at(i));
ASSERT_EQ(Expression::kValue, args->at(i)->context());
}
- // Record source position for debugger
+ // Record source position for debugger.
SetSourcePosition(expr->position());
// Call the IC initialization code.
Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count,
NOT_IN_LOOP);
- __ call(ic, RelocInfo::CODE_TARGET_CONTEXT);
+ __ call(ic, reloc_info);
+ // Restore context register.
+ __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
+ // Discard the function left on TOS.
+ DropAndMove(expr->context(), eax);
+}
+
+
+void FastCodeGenerator::EmitCallWithStub(Call* expr) {
+ // Code common for calls using the call stub.
+ ZoneList<Expression*>* args = expr->arguments();
+ int arg_count = args->length();
+ for (int i = 0; i < arg_count; i++) {
+ Visit(args->at(i));
+ }
+ // Record source position for debugger.
+ SetSourcePosition(expr->position());
+ CallFunctionStub stub(arg_count, NOT_IN_LOOP);
+ __ CallStub(&stub);
// Restore context register.
__ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
// Discard the function left on TOS.
}
+void FastCodeGenerator::VisitCall(Call* expr) {
+ Expression* fun = expr->expression();
+
+ if (fun->AsProperty() != NULL) {
+ // Call on a property.
+ Property* prop = fun->AsProperty();
+ Literal* key = prop->key()->AsLiteral();
+ if (key != NULL && key->handle()->IsSymbol()) {
+ // Call on a named property: foo.x(1,2,3)
+ __ push(Immediate(key->handle()));
+ Visit(prop->obj());
+ // Use call IC.
+ EmitCallWithIC(expr, RelocInfo::CODE_TARGET);
+ } else {
+ // Call on a keyed property: foo[key](1,2,3)
+ // Use a keyed load IC followed by a call IC.
+ Visit(prop->obj());
+ Visit(prop->key());
+ // Record source position of property.
+ SetSourcePosition(prop->position());
+ 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();
+ // Drop key left on the stack by IC.
+ __ add(Operand(esp), Immediate(kPointerSize));
+ // Pop receiver.
+ __ pop(ebx);
+ // Push result (function).
+ __ push(eax);
+ // Push receiver object on stack.
+ if (prop->is_synthetic()) {
+ __ push(CodeGenerator::GlobalObject());
+ } else {
+ __ push(ebx);
+ }
+ EmitCallWithStub(expr);
+ }
+ } else if (fun->AsVariableProxy()->AsVariable() != NULL) {
+ // Call on a global variable
+ Variable* var = fun->AsVariableProxy()->AsVariable();
+ ASSERT(var != NULL && !var->is_this() && var->is_global());
+ ASSERT(!var->is_possibly_eval());
+ __ push(Immediate(var->name()));
+ // Push global object (receiver).
+ __ push(CodeGenerator::GlobalObject());
+ EmitCallWithIC(expr, RelocInfo::CODE_TARGET_CONTEXT);
+ } else {
+ // Calls we cannot handle right now.
+ // Should bailout in the CodeGenSelector.
+ UNREACHABLE();
+ }
+}
+
void FastCodeGenerator::VisitCallNew(CallNew* expr) {
Comment cmnt(masm_, "[ CallNew");
// According to ECMA-262, section 11.2.2, page 44, the function
}
-class CallFunctionStub: public CodeStub {
- public:
- CallFunctionStub(int argc, InLoopFlag in_loop)
- : argc_(argc), in_loop_(in_loop) { }
-
- void Generate(MacroAssembler* masm);
-
- private:
- int argc_;
- InLoopFlag in_loop_;
-
-#ifdef DEBUG
- void Print() { PrintF("CallFunctionStub (args %d)\n", argc_); }
-#endif
-
- Major MajorKey() { return CallFunction; }
- int MinorKey() { return argc_; }
- InLoopFlag InLoop() { return in_loop_; }
-};
-
-
void CodeGenerator::CallApplyLazy(Property* apply,
Expression* receiver,
VariableProxy* arguments,
// times by generated code to perform common tasks, often the slow
// case of a JavaScript operation. They are all subclasses of CodeStub,
// which is declared in code-stubs.h.
+class CallFunctionStub: public CodeStub {
+ public:
+ CallFunctionStub(int argc, InLoopFlag in_loop)
+ : argc_(argc), in_loop_(in_loop) { }
+
+ void Generate(MacroAssembler* masm);
+
+ private:
+ int argc_;
+ InLoopFlag in_loop_;
+
+#ifdef DEBUG
+ void Print() { PrintF("CallFunctionStub (args %d)\n", argc_); }
+#endif
+
+ Major MajorKey() { return CallFunction; }
+ int MinorKey() { return argc_; }
+ InLoopFlag InLoop() { return in_loop_; }
+};
class ToBooleanStub: public CodeStub {
// Emit a 'return undefined' in case control fell off the end of the
// body.
__ LoadRoot(rax, Heap::kUndefinedValueRootIndex);
+ }
+ { Comment cmnt(masm_, "Return sequence");
SetReturnPosition(fun);
- if (FLAG_trace) {
- __ push(rax);
- __ CallRuntime(Runtime::kTraceExit, 1);
- }
- __ RecordJSReturn();
- // Do not use the leave instruction here because it is too short to
- // patch with the code required by the debugger.
- __ movq(rsp, rbp);
- __ pop(rbp);
- __ ret((fun->scope()->num_parameters() + 1) * kPointerSize);
+ if (return_label_.is_bound()) {
+ __ jmp(&return_label_);
+ } else {
+ __ bind(&return_label_);
+
+ if (FLAG_trace) {
+ __ push(rax);
+ __ CallRuntime(Runtime::kTraceExit, 1);
+ }
+ __ RecordJSReturn();
+
+ // Do not use the leave instruction here because it is too short to
+ // patch with the code required by the debugger.
+ __ movq(rsp, rbp);
+ __ pop(rbp);
+ __ ret((fun->scope()->num_parameters() + 1) * kPointerSize);
#ifdef ENABLE_DEBUGGER_SUPPORT
- // Add padding that will be overwritten by a debugger breakpoint. We
- // have just generated "movq rsp, rbp; pop rbp; ret k" with length 7
- // (3 + 1 + 3).
- const int kPadding = Debug::kX64JSReturnSequenceLength - 7;
- for (int i = 0; i < kPadding; ++i) {
- masm_->int3();
- }
+ // Add padding that will be overwritten by a debugger breakpoint. We
+ // have just generated "movq rsp, rbp; pop rbp; ret k" with length 7
+ // (3 + 1 + 3).
+ const int kPadding = Debug::kX64JSReturnSequenceLength - 7;
+ for (int i = 0; i < kPadding; ++i) {
+ masm_->int3();
+ }
#endif
+ }
}
}
__ pop(rax);
}
- if (FLAG_trace) {
- __ push(rax);
- __ CallRuntime(Runtime::kTraceExit, 1);
- }
+ if (return_label_.is_bound()) {
+ __ jmp(&return_label_);
+ } else {
+ __ bind(&return_label_);
+
+ if (FLAG_trace) {
+ __ push(rax);
+ __ CallRuntime(Runtime::kTraceExit, 1);
+ }
- __ RecordJSReturn();
- // Do not use the leave instruction here because it is too short to
- // patch with the code required by the debugger.
- __ movq(rsp, rbp);
- __ pop(rbp);
- __ ret((function_->scope()->num_parameters() + 1) * kPointerSize);
+ __ RecordJSReturn();
+ // Do not use the leave instruction here because it is too short to
+ // patch with the code required by the debugger.
+ __ movq(rsp, rbp);
+ __ pop(rbp);
+ __ ret((function_->scope()->num_parameters() + 1) * kPointerSize);
#ifdef ENABLE_DEBUGGER_SUPPORT
- // Add padding that will be overwritten by a debugger breakpoint. We
- // have just generated "movq rsp, rbp; pop rbp; ret k" with length 7
- // (3 + 1 + 3).
- const int kPadding = Debug::kX64JSReturnSequenceLength - 7;
- for (int i = 0; i < kPadding; ++i) {
- masm_->int3();
- }
+ // Add padding that will be overwritten by a debugger breakpoint. We
+ // have just generated "movq rsp, rbp; pop rbp; ret k" with length 7
+ // (3 + 1 + 3).
+ const int kPadding = Debug::kX64JSReturnSequenceLength - 7;
+ for (int i = 0; i < kPadding; ++i) {
+ masm_->int3();
+ }
#endif
+ }
}
Visit(rhs);
__ pop(rax);
}
+ // Record position for debugger.
+ SetSourcePosition(expr->position());
__ Move(rcx, var->name());
__ push(CodeGenerator::GlobalObject());
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
// Evaluate receiver.
Visit(expr->obj());
+
if (key->AsLiteral() != NULL && key->AsLiteral()->handle()->IsSymbol() &&
!String::cast(*(key->AsLiteral()->handle()))->AsArrayIndex(&dummy)) {
// Do a NAMED property load.
}
-void FastCodeGenerator::VisitCall(Call* expr) {
- Expression* fun = expr->expression();
+void FastCodeGenerator::EmitCallWithIC(Call* expr, RelocInfo::Mode reloc_info) {
+ // Code common for calls using the IC.
ZoneList<Expression*>* args = expr->arguments();
- Variable* var = fun->AsVariableProxy()->AsVariable();
- ASSERT(var != NULL && !var->is_this() && var->is_global());
- ASSERT(!var->is_possibly_eval());
-
- __ Push(var->name());
- // Push global object (receiver).
- __ push(CodeGenerator::GlobalObject());
int arg_count = args->length();
for (int i = 0; i < arg_count; i++) {
Visit(args->at(i));
ASSERT_EQ(Expression::kValue, args->at(i)->context());
}
- // Record source position for debugger
+ // Record source position for debugger.
SetSourcePosition(expr->position());
// Call the IC initialization code.
Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count,
NOT_IN_LOOP);
- __ call(ic, RelocInfo::CODE_TARGET_CONTEXT);
+ __ call(ic, reloc_info);
// Restore context register.
__ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
// Discard the function left on TOS.
}
+void FastCodeGenerator::EmitCallWithStub(Call* expr) {
+ // Code common for calls using the call stub.
+ ZoneList<Expression*>* args = expr->arguments();
+ int arg_count = args->length();
+ for (int i = 0; i < arg_count; i++) {
+ Visit(args->at(i));
+ }
+ // Record source position for debugger.
+ SetSourcePosition(expr->position());
+ CallFunctionStub stub(arg_count, NOT_IN_LOOP);
+ __ CallStub(&stub);
+ // Restore context register.
+ __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+ // Discard the function left on TOS.
+ DropAndMove(expr->context(), rax);
+}
+
+
+void FastCodeGenerator::VisitCall(Call* expr) {
+ Expression* fun = expr->expression();
+
+ if (fun->AsProperty() != NULL) {
+ // Call on a property.
+ Property* prop = fun->AsProperty();
+ Literal* key = prop->key()->AsLiteral();
+ if (key != NULL && key->handle()->IsSymbol()) {
+ // Call on a named property: foo.x(1,2,3)
+ __ Push(key->handle());
+ Visit(prop->obj());
+ // Use call IC
+ EmitCallWithIC(expr, RelocInfo::CODE_TARGET);
+ } else {
+ // Call on a keyed property: foo[key](1,2,3)
+ // Use a keyed load IC followed by a call IC.
+ Visit(prop->obj());
+ Visit(prop->key());
+ // Record source position of property.
+ SetSourcePosition(prop->position());
+ 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();
+ // Drop key left on the stack by IC.
+ __ addq(rsp, Immediate(kPointerSize));
+ // Pop receiver.
+ __ pop(rbx);
+ // Push result (function).
+ __ push(rax);
+ // Push receiver object on stack.
+ if (prop->is_synthetic()) {
+ __ push(CodeGenerator::GlobalObject());
+ } else {
+ __ push(rbx);
+ }
+ EmitCallWithStub(expr);
+ }
+ } else if (fun->AsVariableProxy()->AsVariable() != NULL) {
+ // Call on a global variable
+ Variable* var = fun->AsVariableProxy()->AsVariable();
+ ASSERT(var != NULL && !var->is_this() && var->is_global());
+ ASSERT(!var->is_possibly_eval());
+ __ Push(var->name());
+ // Push global object (receiver).
+ __ push(CodeGenerator::GlobalObject());
+ EmitCallWithIC(expr, RelocInfo::CODE_TARGET_CONTEXT);
+ } else {
+ // Calls we cannot handle right now.
+ // Should bailout in the CodeGenSelector.
+ UNREACHABLE();
+ }
+}
+
+
void FastCodeGenerator::VisitCallNew(CallNew* expr) {
Comment cmnt(masm_, "[ CallNew");
// According to ECMA-262, section 11.2.2, page 44, the function
--- /dev/null
+// Copyright 2009 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.
+
+// Test of function calls.
+
+function f(x) { return x; }
+
+var a;
+
+// Call on global object.
+a = f(8);
+assertEquals(8, a);
+
+// Call on a named property.
+var b;
+b = {x:f};
+a = b.x(9);
+assertEquals(9, a);
+
+// Call on a keyed property.
+c = "x";
+a = b[c](10);
+assertEquals(10, a);
+