[turbofan] don't call out to c

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index c8d5f26d0dc6b3303623a9343a0cab8d69dd5405..ffadd35c78cdd914363f09af42a2bbe9aeb9bfcf 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -131,11 +131,6 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
   Arm64OperandConverter i(this, instr);
   InstructionCode opcode = instr->opcode();
   switch (ArchOpcodeField::decode(opcode)) {
-    case kArchCallAddress: {
-      DirectCEntryStub stub(isolate());
-      stub.GenerateCall(masm(), i.InputRegister(0));
-      break;
-    }
     case kArchCallCodeObject: {
       if (instr->InputAt(0)->IsImmediate()) {
         __ Call(Handle<Code>::cast(i.InputHeapObject(0)),
@@ -163,11 +158,6 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       AddSafepointAndDeopt(instr);
       break;
     }
-    case kArchDrop: {
-      int words = MiscField::decode(instr->opcode());
-      __ Drop(words);
-      break;
-    }
     case kArchJmp:
       __ B(code_->GetLabel(i.InputBlock(0)));
       break;