[builtins] Introduce specialized Call/CallFunction builtins.

src/full-codegen/x64/full-codegen-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
@@ skipping 2047 matching lines @@
       __ movp(load_receiver, Operand(rsp, kPointerSize));
       __ Move(LoadDescriptor::SlotRegister(),
               SmiFromSlot(expr->KeyedLoadFeedbackSlot()));
       Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
       CallIC(ic, TypeFeedbackId::None());
       __ movp(rdi, rax);
       __ movp(Operand(rsp, 2 * kPointerSize), rdi);
 
       SetCallPosition(expr, 1);
       __ Set(rax, 1);
-      __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
+      __ Call(
+          isolate()->builtins()->Call(ConvertReceiverMode::kNotNullOrUndefined),
+          RelocInfo::CODE_TARGET);
 
       __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
       __ Drop(1);  // The function is still on the stack; drop it.
 
       // if (!result.done) goto l_try;
       __ bind(&l_loop);
       __ Move(load_receiver, rax);
       __ Push(load_receiver);                               // save result
       __ LoadRoot(load_name, Heap::kdone_stringRootIndex);  // "done"
       __ Move(LoadDescriptor::SlotRegister(),
@@ skipping 611 matching lines @@
   ic_total_count_++;
   __ call(code, RelocInfo::CODE_TARGET, ast_id);
 }
 
 
 // Code common for calls using the IC.
 void FullCodeGenerator::EmitCallWithLoadIC(Call* expr) {
   Expression* callee = expr->expression();
 
   // Get the target function.
+  ConvertReceiverMode convert_mode;
   if (callee->IsVariableProxy()) {
     { StackValueContext context(this);
       EmitVariableLoad(callee->AsVariableProxy());
       PrepareForBailout(callee, NO_REGISTERS);
     }
-    // Push undefined as receiver. This is patched in the method prologue if it
+    // Push undefined as receiver. This is patched in the Call builtin if it
     // is a sloppy mode method.
     __ Push(isolate()->factory()->undefined_value());
+    convert_mode = ConvertReceiverMode::kNullOrUndefined;
   } else {
     // Load the function from the receiver.
     DCHECK(callee->IsProperty());
     DCHECK(!callee->AsProperty()->IsSuperAccess());
     __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0));
     EmitNamedPropertyLoad(callee->AsProperty());
     PrepareForBailoutForId(callee->AsProperty()->LoadId(), TOS_REG);
     // Push the target function under the receiver.
     __ Push(Operand(rsp, 0));
     __ movp(Operand(rsp, kPointerSize), rax);
+    convert_mode = ConvertReceiverMode::kNotNullOrUndefined;
   }
 
-  EmitCall(expr);
+  EmitCall(expr, convert_mode);
 }
 
 
 void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
   Expression* callee = expr->expression();
   DCHECK(callee->IsProperty());
   Property* prop = callee->AsProperty();
   DCHECK(prop->IsSuperAccess());
   SetExpressionPosition(prop);
 
@@ skipping 40 matching lines @@
   DCHECK(callee->IsProperty());
   __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0));
   __ Move(LoadDescriptor::NameRegister(), rax);
   EmitKeyedPropertyLoad(callee->AsProperty());
   PrepareForBailoutForId(callee->AsProperty()->LoadId(), TOS_REG);
 
   // Push the target function under the receiver.
   __ Push(Operand(rsp, 0));
   __ movp(Operand(rsp, kPointerSize), rax);
 
-  EmitCall(expr);
+  EmitCall(expr, ConvertReceiverMode::kNotNullOrUndefined);
 }
 
 
 void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) {
   Expression* callee = expr->expression();
   DCHECK(callee->IsProperty());
   Property* prop = callee->AsProperty();
   DCHECK(prop->IsSuperAccess());
 
   SetExpressionPosition(prop);
@@ skipping 19 matching lines @@
   // Replace home_object with target function.
   __ movp(Operand(rsp, kPointerSize), rax);
 
   // Stack here:
   // - target function
   // - this (receiver)
   EmitCall(expr);
 }
 
 
-void FullCodeGenerator::EmitCall(Call* expr) {
+void FullCodeGenerator::EmitCall(Call* expr, ConvertReceiverMode mode) {
   // Load the arguments.
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
   for (int i = 0; i < arg_count; i++) {
     VisitForStackValue(args->at(i));
   }
 
   PrepareForBailoutForId(expr->CallId(), NO_REGISTERS);
   SetCallPosition(expr, arg_count);
-  Handle<Code> ic = CodeFactory::CallIC(isolate(), arg_count).code();
+  Handle<Code> ic = CodeFactory::CallIC(isolate(), arg_count, mode).code();
   __ Move(rdx, SmiFromSlot(expr->CallFeedbackICSlot()));
   __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize));
   // Don't assign a type feedback id to the IC, since type feedback is provided
   // by the vector above.
   CallIC(ic);
 
   RecordJSReturnSite(expr);
 
   // Restore context register.
   __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
@@ skipping 1319 matching lines @@
 }
 
 
 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
 
   SetCallPosition(expr, arg_count);
   __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize));
   __ Set(rax, arg_count);
-  __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
+  __ Call(isolate()->builtins()->Call(ConvertReceiverMode::kNullOrUndefined),
+          RelocInfo::CODE_TARGET);
 }
 
 
 void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
 
   if (expr->is_jsruntime()) {
     Comment cmnt(masm_, "[ CallRuntime");
 
@@ skipping 788 matching lines @@
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64