Implement target cache for constructor calls.

src/arm/builtins-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 649 matching lines @@
   __ IncrementCounter(counters->string_ctor_gc_required(), 1, r3, r4);
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     __ push(argument);
     __ CallRuntime(Runtime::kNewStringWrapper, 1);
   }
   __ Ret();
 }
 
 
-void Builtins::Generate_JSConstructCall(MacroAssembler* masm) {
+static void Generate_JSConstructStubHelper(MacroAssembler* masm,
+                                           bool is_api_function,
+                                           bool count_constructions) {
   // ----------- S t a t e -------------
   //  -- r0     : number of arguments
   //  -- r1     : constructor function
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
 
-  Label slow, non_function_call;
-  // Check that the function is not a smi.
-  __ JumpIfSmi(r1, &non_function_call);
-  // Check that the function is a JSFunction.
-  __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);
-  __ b(ne, &slow);
-
-  // Jump to the function-specific construct stub.
-  __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kConstructStubOffset));
-  __ add(pc, r2, Operand(Code::kHeaderSize - kHeapObjectTag));
-
-  // r0: number of arguments
-  // r1: called object
-  // r2: object type
-  Label do_call;
-  __ bind(&slow);
-  __ cmp(r2, Operand(JS_FUNCTION_PROXY_TYPE));
-  __ b(ne, &non_function_call);
-  __ GetBuiltinEntry(r3, Builtins::CALL_FUNCTION_PROXY_AS_CONSTRUCTOR);
-  __ jmp(&do_call);
-
-  __ bind(&non_function_call);
-  __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR);
-  __ bind(&do_call);
-  // Set expected number of arguments to zero (not changing r0).
-  __ mov(r2, Operand(0, RelocInfo::NONE));
-  __ SetCallKind(r5, CALL_AS_METHOD);
-  __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
-          RelocInfo::CODE_TARGET);
-}
-
-
-static void Generate_JSConstructStubHelper(MacroAssembler* masm,
-                                           bool is_api_function,
-                                           bool count_constructions) {
   // Should never count constructions for api objects.
   ASSERT(!is_api_function || !count_constructions);
 
   Isolate* isolate = masm->isolate();
 
   // Enter a construct frame.
   {
     FrameScope scope(masm, StackFrame::CONSTRUCT);
 
     // Preserve the two incoming parameters on the stack.
@@ skipping 386 matching lines @@
     __ mov(r5, Operand(r4));
     __ mov(r6, Operand(r4));
     __ mov(r7, Operand(r4));
     if (kR9Available == 1) {
       __ mov(r9, Operand(r4));
     }
 
     // Invoke the code and pass argc as r0.
     __ mov(r0, Operand(r3));
     if (is_construct) {
-      __ Call(masm->isolate()->builtins()->JSConstructCall());
+      CallConstructStub stub(NO_CALL_FUNCTION_FLAGS);
+      __ CallStub(&stub);
     } else {
       ParameterCount actual(r0);
       __ InvokeFunction(r1, actual, CALL_FUNCTION,
                         NullCallWrapper(), CALL_AS_METHOD);
     }
     // Exit the JS frame and remove the parameters (except function), and
     // return.
     // Respect ABI stack constraint.
   }
   __ Jump(lr);
@@ skipping 640 matching lines @@
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM