Make array allocation stub shared between isolates.

runtime/vm/intermediate_language_mips.cc

Index: runtime/vm/intermediate_language_mips.cc
diff --git a/runtime/vm/intermediate_language_mips.cc b/runtime/vm/intermediate_language_mips.cc
index 07a8242612860fe3b0fe32b70f5cb15f36687814..34fac2812e1efccd0c656190dbbe4134883a8f25 100644
--- a/runtime/vm/intermediate_language_mips.cc
+++ b/runtime/vm/intermediate_language_mips.cc
@@ -993,10 +993,9 @@ void NativeCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const intptr_t argc_tag = NativeArguments::ComputeArgcTag(function());
   const bool is_leaf_call =
     (argc_tag & NativeArguments::AutoSetupScopeMask()) == 0;
-  StubCode* stub_code = compiler->isolate()->stub_code();
   const ExternalLabel* stub_entry;
   if (is_bootstrap_native() || is_leaf_call) {
-    stub_entry = &stub_code->CallBootstrapCFunctionLabel();
+    stub_entry = &StubCode::CallBootstrapCFunctionLabel();
 #if defined(USING_SIMULATOR)
     entry = Simulator::RedirectExternalReference(
         entry, Simulator::kBootstrapNativeCall, function().NumParameters());
@@ -1005,7 +1004,7 @@ void NativeCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
     // In the case of non bootstrap native methods the CallNativeCFunction
     // stub generates the redirection address when running under the simulator
     // and hence we do not change 'entry' here.
-    stub_entry = &stub_code->CallNativeCFunctionLabel();
+    stub_entry = &StubCode::CallNativeCFunctionLabel();
 #if defined(USING_SIMULATOR)
     if (!function().IsNativeAutoSetupScope()) {
       entry = Simulator::RedirectExternalReference(
@@ -1838,7 +1837,6 @@ class BoxAllocationSlowPath : public SlowPathCode {
 
   virtual void EmitNativeCode(FlowGraphCompiler* compiler) {
     Isolate* isolate = compiler->isolate();
-    StubCode* stub_code = isolate->stub_code();
 
     if (Assembler::EmittingComments()) {
       __ Comment("%s slow path allocation of %s",
@@ -1847,7 +1845,7 @@ class BoxAllocationSlowPath : public SlowPathCode {
     }
     __ Bind(entry_label());
     const Code& stub =
-        Code::Handle(isolate, stub_code->GetAllocationStubForClass(cls_));
+        Code::Handle(isolate, StubCode::GetAllocationStubForClass(cls_));
     const ExternalLabel label(stub.EntryPoint());
 
     LocationSummary* locs = instruction_->locs();
@@ -2246,15 +2244,11 @@ void CreateArrayInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   }
 
   __ Bind(&slow_path);
-  Isolate* isolate = compiler->isolate();
-  const Code& stub = Code::Handle(
-      isolate, isolate->stub_code()->GetAllocateArrayStub());
-  const ExternalLabel label(stub.EntryPoint());
+  const ExternalLabel label(StubCode::AllocateArrayEntryPoint());
   compiler->GenerateCall(token_pos(),
                          &label,
                          RawPcDescriptors::kOther,
                          locs());
-  compiler->AddStubCallTarget(stub);
   __ Bind(&done);
   ASSERT(locs()->out(0).reg() == kResultReg);
 }
@@ -2500,8 +2494,7 @@ class AllocateContextSlowPath : public SlowPathCode {
     compiler->SaveLiveRegisters(locs);
 
     __ LoadImmediate(T1, instruction_->num_context_variables());
-    StubCode* stub_code = compiler->isolate()->stub_code();
-    const ExternalLabel label(stub_code->AllocateContextEntryPoint());
+    const ExternalLabel label(StubCode::AllocateContextEntryPoint());
     compiler->GenerateCall(instruction_->token_pos(),
                            &label,
                            RawPcDescriptors::kOther,
@@ -2559,8 +2552,7 @@ void AllocateContextInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
 
   __ Comment("AllocateContextInstr");
   __ LoadImmediate(T1, num_context_variables());
-  StubCode* stub_code = compiler->isolate()->stub_code();
-  const ExternalLabel label(stub_code->AllocateContextEntryPoint());
+  const ExternalLabel label(StubCode::AllocateContextEntryPoint());
   compiler->GenerateCall(token_pos(),
                          &label,
                          RawPcDescriptors::kOther,
@@ -5544,9 +5536,8 @@ LocationSummary* AllocateObjectInstr::MakeLocationSummary(Zone* zone,
 void AllocateObjectInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   __ Comment("AllocateObjectInstr");
   Isolate* isolate = compiler->isolate();
-  StubCode* stub_code = isolate->stub_code();
   const Code& stub = Code::Handle(isolate,
-                                  stub_code->GetAllocationStubForClass(cls()));
+                                  StubCode::GetAllocationStubForClass(cls()));
   const ExternalLabel label(stub.EntryPoint());
   compiler->GenerateCall(token_pos(),
                          &label,
@@ -5559,8 +5550,7 @@ void AllocateObjectInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
 
 void DebugStepCheckInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(!compiler->is_optimizing());
-  StubCode* stub_code = compiler->isolate()->stub_code();
-  const ExternalLabel label(stub_code->DebugStepCheckEntryPoint());
+  const ExternalLabel label(StubCode::DebugStepCheckEntryPoint());
   compiler->GenerateCall(token_pos(), &label, stub_kind_, locs());
 }