A64: Synchronize with r18444.

src/flag-definitions.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 51 matching lines @@
   { Flag::TYPE_##ftype, #nam, &FLAG_##nam, &FLAGDEFAULT_##nam, cmt, false },
 #define FLAG_ALIAS(ftype, ctype, alias, nam) \
   { Flag::TYPE_##ftype, #alias, &FLAG_##nam, &FLAGDEFAULT_##nam, \
     "alias for --"#nam, false },
 
 // We produce the code to set flags when it is implied by another flag.
 #elif defined(FLAG_MODE_DEFINE_IMPLICATIONS)
 #define DEFINE_implication(whenflag, thenflag) \
   if (FLAG_##whenflag) FLAG_##thenflag = true;
 
+#define DEFINE_neg_implication(whenflag, thenflag) \
+  if (FLAG_##whenflag) FLAG_##thenflag = false;
+
 #else
 #error No mode supplied when including flags.defs
 #endif
 
 // Dummy defines for modes where it is not relevant.
 #ifndef FLAG_FULL
 #define FLAG_FULL(ftype, ctype, nam, def, cmt)
 #endif
 
 #ifndef FLAG_READONLY
 #define FLAG_READONLY(ftype, ctype, nam, def, cmt)
 #endif
 
 #ifndef FLAG_ALIAS
 #define FLAG_ALIAS(ftype, ctype, alias, nam)
 #endif
 
 #ifndef DEFINE_implication
 #define DEFINE_implication(whenflag, thenflag)
 #endif
 
+#ifndef DEFINE_neg_implication
+#define DEFINE_neg_implication(whenflag, thenflag)
+#endif
+
 #define COMMA ,
 
 #ifdef FLAG_MODE_DECLARE
 // Structure used to hold a collection of arguments to the JavaScript code.
 struct JSArguments {
 public:
   inline const char*& operator[] (int idx) const {
     return argv[idx];
   }
   static JSArguments Create(int argc, const char** argv) {
@@ skipping 237 matching lines @@
 DEFINE_bool(concurrent_osr, false,
             "concurrent on-stack replacement")
 DEFINE_implication(concurrent_osr, concurrent_recompilation)
 
 DEFINE_bool(omit_map_checks_for_leaf_maps, true,
             "do not emit check maps for constant values that have a leaf map, "
             "deoptimize the optimized code if the layout of the maps changes.")
 
 DEFINE_bool(new_string_add, true, "enable new string addition")
 
-// Experimental profiler changes.
-DEFINE_bool(experimental_profiler, true, "enable all profiler experiments")
-DEFINE_bool(watch_ic_patching, false, "profiler considers IC stability")
+// Profiler flags.
 DEFINE_int(frame_count, 1, "number of stack frames inspected by the profiler")
-DEFINE_bool(self_optimization, false,
-            "primitive functions trigger their own optimization")
-DEFINE_bool(direct_self_opt, false,
-            "call recompile stub directly when self-optimizing")
-DEFINE_bool(retry_self_opt, false, "re-try self-optimization if it failed")
-DEFINE_bool(interrupt_at_exit, false,
-            "insert an interrupt check at function exit")
-DEFINE_bool(weighted_back_edges, false,
-            "weight back edges by jump distance for interrupt triggering")
            // 0x1700 fits in the immediate field of an ARM instruction.
 DEFINE_int(interrupt_budget, 0x1700,
            "execution budget before interrupt is triggered")
 DEFINE_int(type_info_threshold, 25,
            "percentage of ICs that must have type info to allow optimization")
 DEFINE_int(self_opt_count, 130, "call count before self-optimization")
 
-DEFINE_implication(experimental_profiler, watch_ic_patching)
-DEFINE_implication(experimental_profiler, self_optimization)
-// Not implying direct_self_opt here because it seems to be a bad idea.
-DEFINE_implication(experimental_profiler, retry_self_opt)
-DEFINE_implication(experimental_profiler, interrupt_at_exit)
-DEFINE_implication(experimental_profiler, weighted_back_edges)
-
 DEFINE_bool(trace_opt_verbose, false, "extra verbose compilation tracing")
 DEFINE_implication(trace_opt_verbose, trace_opt)
 
 // assembler-ia32.cc / assembler-arm.cc / assembler-x64.cc
 DEFINE_bool(debug_code, false,
             "generate extra code (assertions) for debugging")
 DEFINE_bool(code_comments, false, "emit comments in code disassembly")
 DEFINE_bool(enable_sse2, true,
             "enable use of SSE2 instructions if available")
 DEFINE_bool(enable_sse3, true,
@@ skipping 27 matching lines @@
 DEFINE_string(expose_debug_as, NULL, "expose debug in global object")
 #ifdef ADDRESS_SANITIZER
 DEFINE_bool(expose_free_buffer, false, "expose freeBuffer extension")
 #endif
 DEFINE_bool(expose_gc, false, "expose gc extension")
 DEFINE_string(expose_gc_as, NULL,
               "expose gc extension under the specified name")
 DEFINE_implication(expose_gc_as, expose_gc)
 DEFINE_bool(expose_externalize_string, false,
             "expose externalize string extension")
+DEFINE_bool(expose_trigger_failure, false, "expose trigger-failure extension")
 DEFINE_int(stack_trace_limit, 10, "number of stack frames to capture")
 DEFINE_bool(builtins_in_stack_traces, false,
             "show built-in functions in stack traces")
 DEFINE_bool(disable_native_files, false, "disable builtin natives files")
 
 // builtins-ia32.cc
 DEFINE_bool(inline_new, true, "use fast inline allocation")
 
 // checks.cc
 DEFINE_bool(stack_trace_on_abort, true,
@@ skipping 220 matching lines @@
 #endif
 
 // mksnapshot.cc
 DEFINE_string(extra_code, NULL, "A filename with extra code to be included in"
                   " the snapshot (mksnapshot only)")
 
 // code-stubs-hydrogen.cc
 DEFINE_bool(profile_hydrogen_code_stub_compilation, false,
             "Print the time it takes to lazily compile hydrogen code stubs.")
 
+DEFINE_bool(predictable, false, "enable predictable mode")
+DEFINE_neg_implication(predictable, randomize_hashes)
+DEFINE_neg_implication(predictable, concurrent_recompilation)
+DEFINE_neg_implication(predictable, concurrent_osr)
+DEFINE_neg_implication(predictable, concurrent_sweeping)
+DEFINE_neg_implication(predictable, parallel_sweeping)
+
+
 //
 // Dev shell flags
 //
 
 DEFINE_bool(help, false, "Print usage message, including flags, on console")
 DEFINE_bool(dump_counters, false, "Dump counters on exit")
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
 DEFINE_bool(debugger, false, "Enable JavaScript debugger")
 DEFINE_bool(remote_debugger, false, "Connect JavaScript debugger to the "
@@ skipping 232 matching lines @@
 #undef FLAG
 #undef FLAG_ALIAS
 
 #undef DEFINE_bool
 #undef DEFINE_maybe_bool
 #undef DEFINE_int
 #undef DEFINE_string
 #undef DEFINE_float
 #undef DEFINE_args
 #undef DEFINE_implication
+#undef DEFINE_neg_implication
 #undef DEFINE_ALIAS_bool
 #undef DEFINE_ALIAS_int
 #undef DEFINE_ALIAS_string
 #undef DEFINE_ALIAS_float
 #undef DEFINE_ALIAS_args
 
 #undef FLAG_MODE_DECLARE
 #undef FLAG_MODE_DEFINE
 #undef FLAG_MODE_DEFINE_DEFAULTS
 #undef FLAG_MODE_META
 #undef FLAG_MODE_DEFINE_IMPLICATIONS
 
 #undef COMMA