First steps toward a two stages new compiler.

runtime/vm/stub_code_ia32.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/object_store.h"
@@ skipping 1506 matching lines @@
 // - Match found -> jump to target.
 // - Match not found -> jump to IC miss.
 void StubCode::GenerateNArgsCheckInlineCacheStub(Assembler* assembler,
                                                  intptr_t num_args) {
   __ movl(EBX, FieldAddress(ECX, ICData::function_offset()));
   __ incl(FieldAddress(EBX, Function::usage_counter_offset()));
   if (CodeGenerator::CanOptimize()) {
     __ cmpl(FieldAddress(EBX, Function::usage_counter_offset()),
         Immediate(FLAG_optimization_counter_threshold));
     Label not_yet_hot;
-    __ j(LESS_EQUAL, &not_yet_hot);
+    __ j(LESS_EQUAL, &not_yet_hot, Assembler::kNearJump);
     __ EnterFrame(0);
     __ pushl(ECX);  // Preserve inline cache data object.
     __ pushl(EDX);  // Preserve arguments array.
     __ pushl(EBX);  // Argument for runtime: function object.
     __ CallRuntime(kOptimizeInvokedFunctionRuntimeEntry);
     __ popl(EBX);  // Remove argument.
     __ popl(EDX);  // Restore arguments array.
     __ popl(ECX);  // Restore inline cache data object.
     __ LeaveFrame();
     __ Bind(&not_yet_hot);
@@ skipping 316 matching lines @@
 // TOS + 2: instance.
 // TOS + 3: cache array.
 // Result in ECX: null -> not found, otherwise result (true or false).
 void StubCode::GenerateSubtype3TestCacheStub(Assembler* assembler) {
   GenerateSubtypeNTestCacheStub(assembler, 3);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32