[Interpreter] Collect allocation site feedback in call bytecode handler.

src/builtins/arm/builtins-arm.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_ARM
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 1231 matching lines @@
     // Jump to the construct function.
     __ add(pc, r4, Operand(Code::kHeaderSize - kHeapObjectTag));
 
   } else {
     DCHECK_EQ(construct_type, CallableType::kAny);
     // Call the constructor with r0, r1, and r3 unmodified.
     __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
   }
 }
 
+// static
+void Builtins::Generate_InterpreterPushArgsAndConstructArray(
+    MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  // -- r0 : argument count (not including receiver)
+  // -- r1 : target to call verified to be Array function
+  // -- r2 : allocation site feedback if available, undefined otherwise.
+  // -- r3 : address of the first argument
+  // -----------------------------------
+
+  // Find the address of the last argument.
+  __ add(r4, r0, Operand(1));  // Add one for receiver.
+  __ mov(r4, Operand(r4, LSL, kPointerSizeLog2));
+  __ sub(r4, r3, r4);
+
+  // TODO(mythria): Add a stack check before pushing arguments.
+  // Push the arguments.
+  Generate_InterpreterPushArgs(masm, r3, r4, r5);
+
+  // Array constructor expects constructor in r3. It is same as r1 here.
+  __ mov(r3, r1);
+
+  ArrayConstructorStub stub(masm->isolate());
+  __ TailCallStub(&stub);
+}
+
 void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) {
   // Set the return address to the correct point in the interpreter entry
   // trampoline.
   Smi* interpreter_entry_return_pc_offset(
       masm->isolate()->heap()->interpreter_entry_return_pc_offset());
   DCHECK_NE(interpreter_entry_return_pc_offset, Smi::FromInt(0));
   __ Move(r2, masm->isolate()->builtins()->InterpreterEntryTrampoline());
   __ add(lr, r2, Operand(interpreter_entry_return_pc_offset->value() +
                          Code::kHeaderSize - kHeapObjectTag));
 
@@ skipping 1689 matching lines @@
     __ bkpt(0);
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM