Refactor emitting of deoptimization descriptors for calls.

runtime/vm/intermediate_language_arm64.cc

 // Copyright (c) 2014, 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"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
@@ skipping 5228 matching lines @@
 }
 
 
 void GraphEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (!compiler->CanFallThroughTo(normal_entry())) {
     __ b(compiler->GetJumpLabel(normal_entry()));
   }
 }
 
 
-void TargetEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
-  __ Bind(compiler->GetJumpLabel(this));
-  if (!compiler->is_optimizing()) {
-    if (compiler->NeedsEdgeCounter(this)) {
-      compiler->EmitEdgeCounter();
-    }
-    // Add an edge counter.
-    // On ARM64 the deoptimization descriptor points after the edge counter
-    // code so that we can reuse the same pattern matching code as at call
-    // sites, which matches backwards from the end of the pattern.
-    compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt,
-                                   deopt_id_,
-                                   Scanner::kNoSourcePos);
-  }
-  if (HasParallelMove()) {
-    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
-  }
-}
-
-
 LocationSummary* GotoInstr::MakeLocationSummary(Isolate* isolate,
                                                 bool opt) const {
   return new(isolate) LocationSummary(isolate, 0, 0, LocationSummary::kNoCall);
 }
 
 
 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (!compiler->is_optimizing()) {
     if (FLAG_emit_edge_counters) {
       compiler->EmitEdgeCounter();
@@ skipping 161 matching lines @@
   compiler->GenerateCall(token_pos(), &label, stub_kind_, locs());
 #if defined(DEBUG)
   __ LoadImmediate(R4, kInvalidObjectPointer, kNoPP);
   __ LoadImmediate(R5, kInvalidObjectPointer, kNoPP);
 #endif
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64