[turbofan] don't call out to c

src/compiler/x64/code-generator-x64.cc

Index: src/compiler/x64/code-generator-x64.cc
diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc
index cb10477a3691ecf23a149f3570e28498de8d9259..0de838698bd75c081db0e3cb7dd26ee45a87882d 100644
--- a/src/compiler/x64/code-generator-x64.cc
+++ b/src/compiler/x64/code-generator-x64.cc
@@ -216,15 +216,6 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       AddSafepointAndDeopt(instr);
       break;
     }
-    case kArchCallAddress:
-      if (HasImmediateInput(instr, 0)) {
-        Immediate64 imm = i.InputImmediate64(0);
-        DCHECK_EQ(kImm64Value, imm.type);
-        __ Call(reinterpret_cast<byte*>(imm.value), RelocInfo::NONE64);
-      } else {
-        __ call(i.InputRegister(0));
-      }
-      break;
     case kArchCallJSFunction: {
       Register func = i.InputRegister(0);
       if (FLAG_debug_code) {
@@ -236,11 +227,6 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       AddSafepointAndDeopt(instr);
       break;
     }
-    case kArchDrop: {
-      int words = MiscField::decode(instr->opcode());
-      __ addq(rsp, Immediate(kPointerSize * words));
-      break;
-    }
     case kArchJmp:
       __ jmp(code_->GetLabel(i.InputBlock(0)));
       break;