A64: Synchronize with r15922.

src/a64/deoptimizer-a64.cc

Index: src/a64/deoptimizer-a64.cc
diff --git a/src/a64/deoptimizer-a64.cc b/src/a64/deoptimizer-a64.cc
index be57f21cd0ba37076de13a1749fb90f3f66d4046..95c5d3b1adde2fa1e50aed8b2b88b3c45a70e883 100644
--- a/src/a64/deoptimizer-a64.cc
+++ b/src/a64/deoptimizer-a64.cc
@@ -44,21 +44,8 @@ int Deoptimizer::patch_size() {
 }
 
 
-void Deoptimizer::DeoptimizeFunctionWithPreparedFunctionList(
-    JSFunction* function) {
-  Isolate* isolate = function->GetIsolate();
-  HandleScope scope(isolate);
-  DisallowHeapAllocation no_allocation;
-
-  ASSERT(function->IsOptimized());
-  ASSERT(function->FunctionsInFunctionListShareSameCode());
-
-  // Get the optimized code.
-  Code* code = function->code();
-
-  // The optimized code is going to be patched, so we cannot use it any more.
-  function->shared()->EvictFromOptimizedCodeMap(code, "deoptimized function");
 
+void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
   // Invalidate the relocation information, as it will become invalid by the
   // code patching below, and is not needed any more.
   code->InvalidateRelocation();
@@ -90,25 +77,6 @@ void Deoptimizer::DeoptimizeFunctionWithPreparedFunctionList(
     prev_call_address = call_address;
 #endif
   }
-
-  // Add the deoptimizing code to the list.
-  DeoptimizingCodeListNode* node = new DeoptimizingCodeListNode(code);
-  DeoptimizerData* data = isolate->deoptimizer_data();
-  node->set_next(data->deoptimizing_code_list_);
-  data->deoptimizing_code_list_ = node;
-
-  // We might be in the middle of incremental marking with compaction.
-  // Tell collector to treat this code object in a special way and
-  // ignore all slots that might have been recorded on it.
-  isolate->heap()->mark_compact_collector()->InvalidateCode(code);
-
-  ReplaceCodeForRelatedFunctions(function, code);
-
-  if (FLAG_trace_deopt) {
-    PrintF("[forced deoptimization: ");
-    function->PrintName();
-    PrintF(" / %" V8PRIxPTR "]\n", reinterpret_cast<intptr_t>(function));
-  }
 }
 
 
@@ -619,6 +587,17 @@ void Deoptimizer::TableEntryGenerator::GeneratePrologue() {
   __ Push(masm()->Tmp0());
 }
 
+
+void FrameDescription::SetCallerPc(unsigned offset, intptr_t value) {
+  SetFrameSlot(offset, value);
+}
+
+
+void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) {
+  SetFrameSlot(offset, value);
+}
+
+
 #undef __
 
 } }  // namespace v8::internal