[turbofan] Explicitly mark call sites as patchable.

src/compiler/code-generator.cc

 // Copyright 2013 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.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/pipeline.h"
 
@@ skipping 222 matching lines @@
         i, Smi::FromInt(deoptimization_states_[i]->translation_id_));
     data->SetArgumentsStackHeight(i, Smi::FromInt(0));
     data->SetPc(i, Smi::FromInt(-1));
   }
 
   code_object->set_deoptimization_data(*data);
 }
 
 
 void CodeGenerator::AddSafepointAndDeopt(Instruction* instr) {
-  CallDescriptor::DeoptimizationSupport deopt =
-      static_cast<CallDescriptor::DeoptimizationSupport>(
-          MiscField::decode(instr->opcode()));
+  CallDescriptor::Flags flags(MiscField::decode(instr->opcode()));
 
-  bool needs_frame_state = (deopt & CallDescriptor::kNeedsFrameState) != 0;
+  bool needs_frame_state = (flags & CallDescriptor::kNeedsFrameState);
 
   Safepoint::Id safepoint_id = RecordSafepoint(
       instr->pointer_map(), Safepoint::kSimple, 0,
       needs_frame_state ? Safepoint::kLazyDeopt : Safepoint::kNoLazyDeopt);
 
-  if ((deopt & CallDescriptor::kLazyDeoptimization) != 0) {
+  if (flags & CallDescriptor::kLazyDeoptimization) {
     RecordLazyDeoptimizationEntry(instr, safepoint_id);
   }
 
   if (needs_frame_state) {
     // If the frame state is present, it starts at argument 1
     // (just after the code address).
     InstructionOperandConverter converter(this, instr);
     // Argument 1 is deoptimization id.
     int deoptimization_id = converter.ToConstant(instr->InputAt(1)).ToInt32();
     // The actual frame state values start with argument 2.
     int first_state_value_offset = 2;
 #if DEBUG
     // Make sure all the values live in stack slots or they are immediates.
     // (The values should not live in register because registers are clobbered
     // by calls.)
     FrameStateDescriptor* descriptor =
         code()->GetDeoptimizationEntry(deoptimization_id);
     for (int i = 0; i < descriptor->size(); i++) {
       InstructionOperand* op = instr->InputAt(first_state_value_offset + i);
       CHECK(op->IsStackSlot() || op->IsImmediate());
     }
 #endif
     BuildTranslation(instr, first_state_value_offset, deoptimization_id);
     safepoints()->RecordLazyDeoptimizationIndex(deoptimization_id);
   }
+
+  if (flags & CallDescriptor::kNeedsNopAfterCall) {
+    AddNopForSmiCodeInlining();
+  }
 }
 
 
 void CodeGenerator::RecordLazyDeoptimizationEntry(Instruction* instr,
                                                   Safepoint::Id safepoint_id) {
   InstructionOperandConverter i(this, instr);
 
   Label after_call;
   masm()->bind(&after_call);
 
@@ skipping 120 matching lines @@
 }
 
 
 void CodeGenerator::AddNopForSmiCodeInlining() { UNIMPLEMENTED(); }
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8