[gardening] Revert "Eliminate dependencies on assemblers and code stubs in precompiled runtime."

runtime/vm/flow_graph_compiler.cc

 // Copyright (c) 2013, 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.
 
-#if !defined(DART_PRECOMPILED_RUNTIME)
-
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #include "vm/deopt_instructions.h"
@@ skipping 30 matching lines @@
             "The scale of invocation count, by size of the function.");
 DEFINE_FLAG(bool, source_lines, false, "Emit source line as assembly comment.");
 DEFINE_FLAG(bool,
             trace_inlining_intervals,
             false,
             "Inlining interval diagnostics");
 
 DECLARE_FLAG(bool, code_comments);
 DECLARE_FLAG(charp, deoptimize_filter);
 DECLARE_FLAG(bool, intrinsify);
+DECLARE_FLAG(bool, propagate_ic_data);
 DECLARE_FLAG(int, regexp_optimization_counter_threshold);
 DECLARE_FLAG(int, reoptimization_counter_threshold);
 DECLARE_FLAG(int, stacktrace_every);
 DECLARE_FLAG(charp, stacktrace_filter);
 DECLARE_FLAG(bool, trace_compiler);
+DECLARE_FLAG(int, reload_every);
+DECLARE_FLAG(bool, unbox_numeric_fields);
+
+static void PrecompilationModeHandler(bool value) {
+  if (value) {
+#if defined(TARGET_ARCH_IA32)
+    FATAL("Precompilation not supported on IA32");
+#endif
+
+    FLAG_background_compilation = false;
+    FLAG_fields_may_be_reset = true;
+    FLAG_interpret_irregexp = true;
+    FLAG_lazy_dispatchers = false;
+    FLAG_link_natives_lazily = true;
+    FLAG_optimization_counter_threshold = -1;
+    FLAG_polymorphic_with_deopt = false;
+    FLAG_precompiled_mode = true;
+    FLAG_reorder_basic_blocks = false;
+    FLAG_use_field_guards = false;
+    FLAG_use_cha_deopt = false;
+    FLAG_unbox_numeric_fields = false;
+    FLAG_enable_mirrors = false;
+
+#if !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME)
+    // Set flags affecting runtime accordingly for dart_bootstrap.
+    // These flags are constants with PRODUCT and DART_PRECOMPILED_RUNTIME.
+    FLAG_collect_code = false;
+    FLAG_deoptimize_alot = false;  // Used in some tests.
+    FLAG_deoptimize_every = 0;     // Used in some tests.
+    FLAG_load_deferred_eagerly = true;
+    FLAG_print_stop_message = false;
+    FLAG_use_osr = false;
+#endif
+  }
+}
+
+DEFINE_FLAG_HANDLER(PrecompilationModeHandler,
+                    precompilation,
+                    "Precompilation mode");
 
 #ifdef DART_PRECOMPILED_RUNTIME
 
 COMPILE_ASSERT(!FLAG_collect_code);
 COMPILE_ASSERT(!FLAG_deoptimize_alot);  // Used in some tests.
+COMPILE_ASSERT(FLAG_precompiled_runtime);
 COMPILE_ASSERT(!FLAG_print_stop_message);
 COMPILE_ASSERT(!FLAG_use_osr);
 COMPILE_ASSERT(FLAG_deoptimize_every == 0);  // Used in some tests.
 COMPILE_ASSERT(FLAG_load_deferred_eagerly);
 
 #endif  // DART_PRECOMPILED_RUNTIME
 
 // Assign locations to incoming arguments, i.e., values pushed above spill slots
 // with PushArgument.  Recursively allocates from outermost to innermost
 // environment.
@@ skipping 1829 matching lines @@
   return true;
 }
 
 void FlowGraphCompiler::FrameStateClear() {
   ASSERT(!is_optimizing());
   frame_state_.TruncateTo(0);
 }
 #endif  // defined(DEBUG) && !defined(TARGET_ARCH_DBC)
 
 }  // namespace dart
-
-#endif  // !defined(DART_PRECOMPILED_RUNTIME)