[Interpreter] Add bytecode aging and use it enable CompilationCache for bytecode

src/builtins/mips/builtins-mips.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_MIPS
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 1011 matching lines @@
   // Check function data field is actually a BytecodeArray object.
   if (FLAG_debug_code) {
     __ SmiTst(kInterpreterBytecodeArrayRegister, t0);
     __ Assert(ne, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry, t0,
               Operand(zero_reg));
     __ GetObjectType(kInterpreterBytecodeArrayRegister, t0, t0);
     __ Assert(eq, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry, t0,
               Operand(BYTECODE_ARRAY_TYPE));
   }
 
+  // Reset code age.
+  DCHECK_EQ(0, BytecodeArray::kNoAgeBytecodeAge);
+  __ sb(zero_reg, FieldMemOperand(kInterpreterBytecodeArrayRegister,
+                                  BytecodeArray::kBytecodeAgeOffset));
+
   // Load initial bytecode offset.
   __ li(kInterpreterBytecodeOffsetRegister,
         Operand(BytecodeArray::kHeaderSize - kHeapObjectTag));
 
   // Push new.target, bytecode array and Smi tagged bytecode array offset.
   __ SmiTag(t0, kInterpreterBytecodeOffsetRegister);
   __ Push(a3, kInterpreterBytecodeArrayRegister, t0);
 
   // Allocate the local and temporary register file on the stack.
   {
@@ skipping 1897 matching lines @@
     __ break_(0xCC);
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS