diff options
Diffstat (limited to 'deps/v8/src/flag-definitions.h')
| -rw-r--r-- | deps/v8/src/flag-definitions.h | 121 |
1 files changed, 68 insertions, 53 deletions
diff --git a/deps/v8/src/flag-definitions.h b/deps/v8/src/flag-definitions.h index a52cebb64a..85ee27ee6e 100644 --- a/deps/v8/src/flag-definitions.h +++ b/deps/v8/src/flag-definitions.h @@ -193,39 +193,43 @@ DEFINE_BOOL(harmony_shipping, true, "enable all shipped harmony features") DEFINE_IMPLICATION(es_staging, harmony) // Features that are still work in progress (behind individual flags). -#define HARMONY_INPROGRESS(V) \ - V(harmony_array_prototype_values, "harmony Array.prototype.values") \ - V(harmony_function_sent, "harmony function.sent") \ - V(harmony_tailcalls, "harmony tail calls") \ - V(harmony_sharedarraybuffer, "harmony sharedarraybuffer") \ - V(harmony_do_expressions, "harmony do-expressions") \ - V(harmony_class_fields, "harmony public fields in class literals") \ - V(harmony_async_iteration, "harmony async iteration") \ - V(harmony_dynamic_import, "harmony dynamic import") \ +#define HARMONY_INPROGRESS(V) \ + V(harmony_array_prototype_values, "harmony Array.prototype.values") \ + V(harmony_function_sent, "harmony function.sent") \ + V(harmony_tailcalls, "harmony tail calls") \ + V(harmony_sharedarraybuffer, "harmony sharedarraybuffer") \ + V(harmony_do_expressions, "harmony do-expressions") \ + V(harmony_class_fields, "harmony public fields in class literals") \ + V(harmony_async_iteration, "harmony async iteration") \ + V(harmony_dynamic_import, "harmony dynamic import") \ V(harmony_promise_finally, "harmony Promise.prototype.finally") // Features that are complete (but still behind --harmony/es-staging flag). -#define HARMONY_STAGED(V) \ - V(harmony_function_tostring, "harmony Function.prototype.toString") \ - V(harmony_regexp_dotall, "harmony regexp dotall flag") \ - V(harmony_regexp_lookbehind, "harmony regexp lookbehind") \ - V(harmony_regexp_named_captures, "harmony regexp named captures") \ - V(harmony_regexp_property, "harmony unicode regexp property classes") \ - V(harmony_restrictive_generators, \ - "harmony restrictions on generator declarations") \ - V(harmony_object_rest_spread, "harmony object rest spread properties") \ - V(harmony_template_escapes, \ - "harmony invalid escapes in tagged template literals") +#define HARMONY_STAGED(V) \ + V(harmony_function_tostring, "harmony Function.prototype.toString") \ + V(harmony_regexp_dotall, "harmony regexp dotall flag") \ + V(harmony_regexp_lookbehind, "harmony regexp lookbehind") \ + V(harmony_regexp_named_captures, "harmony regexp named captures") \ + V(harmony_regexp_property, "harmony unicode regexp property classes") \ + V(harmony_strict_legacy_accessor_builtins, \ + "treat __defineGetter__ and related functions as strict") \ + V(harmony_template_escapes, \ + "harmony invalid escapes in tagged template literals") \ + V(harmony_restrict_constructor_return, \ + "harmony disallow non undefined primitive return value from class " \ + "constructor") // Features that are shipping (turned on by default, but internal flag remains). -#define HARMONY_SHIPPING_BASE(V) \ - V(harmony_trailing_commas, \ - "harmony trailing commas in function parameter lists") - -#ifdef V8_I18N_SUPPORT +#define HARMONY_SHIPPING_BASE(V) \ + V(harmony_restrictive_generators, \ + "harmony restrictions on generator declarations") \ + V(harmony_trailing_commas, \ + "harmony trailing commas in function parameter lists") \ + V(harmony_object_rest_spread, "harmony object rest spread properties") + +#ifdef V8_INTL_SUPPORT #define HARMONY_SHIPPING(V) \ HARMONY_SHIPPING_BASE(V) \ - V(datetime_format_to_parts, "Intl.DateTimeFormat.formatToParts") \ V(icu_case_mapping, "case mapping with ICU rather than Unibrow") #else #define HARMONY_SHIPPING(V) HARMONY_SHIPPING_BASE(V) @@ -254,7 +258,7 @@ HARMONY_STAGED(FLAG_STAGED_FEATURES) HARMONY_SHIPPING(FLAG_SHIPPING_FEATURES) #undef FLAG_SHIPPING_FEATURES -#ifdef V8_I18N_SUPPORT +#ifdef V8_INTL_SUPPORT DEFINE_BOOL(icu_timezone_data, false, "get information about timezones from ICU") #endif @@ -300,6 +304,9 @@ DEFINE_IMPLICATION(track_field_types, track_heap_object_fields) DEFINE_BOOL(type_profile, false, "collect type information") DEFINE_BOOL(feedback_normalization, false, "feed back normalization to constructors") +// TODO(jkummerow): This currently adds too much load on the stub cache. +DEFINE_BOOL_READONLY(internalize_on_the_fly, false, + "internalize string keys for generic keyed ICs on the fly") // Flags for optimization types. DEFINE_BOOL(optimize_for_size, false, @@ -324,8 +331,10 @@ DEFINE_BOOL(print_bytecode, false, "print bytecode generated by ignition interpreter") DEFINE_STRING(print_bytecode_filter, "*", "filter for selecting which functions to print bytecode") +#ifdef V8_TRACE_IGNITION DEFINE_BOOL(trace_ignition, false, "trace the bytecodes executed by the ignition interpreter") +#endif DEFINE_BOOL(trace_ignition_codegen, false, "trace the codegen of ignition interpreter bytecode handlers") DEFINE_BOOL(trace_ignition_dispatches, false, @@ -336,7 +345,6 @@ DEFINE_STRING(trace_ignition_dispatches_output_file, nullptr, "written (by default, the table is not written to a file)") // Flags for Crankshaft. -DEFINE_BOOL(crankshaft, true, "use crankshaft") DEFINE_STRING(hydrogen_filter, "*", "optimization filter") DEFINE_BOOL(use_gvn, true, "use hydrogen global value numbering") DEFINE_INT(gvn_iterations, 3, "maximum number of GVN fix-point iterations") @@ -352,12 +360,16 @@ DEFINE_INT(max_inlined_source_size, 600, "maximum source size in bytes considered for a single inlining") DEFINE_INT(max_inlined_nodes, 200, "maximum number of AST nodes considered for a single inlining") +DEFINE_INT(max_inlined_nodes_absolute, 1600, + "maximum absolute number of AST nodes considered for inlining " + "(incl. small functions)") DEFINE_INT(max_inlined_nodes_cumulative, 400, "maximum cumulative number of AST nodes considered for inlining") +DEFINE_INT(max_inlined_nodes_small, 10, + "maximum number of AST nodes considered for small function inlining") +DEFINE_FLOAT(min_inlining_frequency, 0.15, "minimum frequency for inlining") DEFINE_BOOL(loop_invariant_code_motion, true, "loop invariant code motion") DEFINE_BOOL(fast_math, true, "faster (but maybe less accurate) math functions") -DEFINE_BOOL(collect_megamorphic_maps_from_stub_cache, false, - "crankshaft harvests type feedback from stub cache") DEFINE_BOOL(hydrogen_stats, false, "print statistics for hydrogen") DEFINE_BOOL(trace_check_elimination, false, "trace check elimination phase") DEFINE_BOOL(trace_environment_liveness, false, @@ -517,7 +529,7 @@ DEFINE_BOOL(minimal, false, "simplifies execution model to make porting " "easier (e.g. always use Ignition, never use Crankshaft") DEFINE_IMPLICATION(minimal, ignition) -DEFINE_NEG_IMPLICATION(minimal, crankshaft) +DEFINE_NEG_IMPLICATION(minimal, opt) DEFINE_NEG_IMPLICATION(minimal, use_ic) // Flags for native WebAssembly. @@ -536,7 +548,6 @@ DEFINE_UINT(wasm_max_mem_pages, v8::internal::wasm::kV8MaxWasmMemoryPages, "maximum memory size of a wasm instance") DEFINE_UINT(wasm_max_table_size, v8::internal::wasm::kV8MaxWasmTableSize, "maximum table size of a wasm instance") -DEFINE_BOOL(trace_wasm_encoder, false, "trace encoding of wasm code") DEFINE_BOOL(trace_wasm_decoder, false, "trace decoding of wasm code") DEFINE_BOOL(trace_wasm_decode_time, false, "trace decoding time of wasm code") DEFINE_BOOL(trace_wasm_compiler, false, "trace compiling of wasm code") @@ -549,8 +560,6 @@ DEFINE_BOOL(wasm_break_on_decoder_error, false, "debug break when wasm decoder encounters an error") DEFINE_BOOL(validate_asm, false, "validate asm.js modules before compiling") -DEFINE_BOOL(fast_validate_asm, false, - "validate asm.js modules before compiling") DEFINE_BOOL(suppress_asm_messages, false, "don't emit asm.js related messages (for golden file testing)") DEFINE_BOOL(trace_asm_time, false, "log asm.js timing info to the console") @@ -597,6 +606,9 @@ DEFINE_BOOL(asm_wasm_lazy_compilation, false, DEFINE_IMPLICATION(validate_asm, asm_wasm_lazy_compilation) DEFINE_BOOL(wasm_lazy_compilation, false, "enable lazy compilation for all wasm modules") +// wasm-interpret-all resets {asm-,}wasm-lazy-compilation. +DEFINE_NEG_IMPLICATION(wasm_interpret_all, asm_wasm_lazy_compilation) +DEFINE_NEG_IMPLICATION(wasm_interpret_all, wasm_lazy_compilation) // Profiler flags. DEFINE_INT(frame_count, 1, "number of stack frames inspected by the profiler") @@ -625,7 +637,6 @@ DEFINE_BOOL(experimental_new_space_growth_heuristic, false, "of their absolute value.") DEFINE_INT(max_old_space_size, 0, "max size of the old space (in Mbytes)") DEFINE_INT(initial_old_space_size, 0, "initial old space size (in Mbytes)") -DEFINE_INT(max_executable_size, 0, "max size of executable memory (in Mbytes)") DEFINE_BOOL(gc_global, false, "always perform global GCs") DEFINE_INT(gc_interval, -1, "garbage collect after <n> allocations") DEFINE_INT(retain_maps_for_n_gc, 2, @@ -651,7 +662,7 @@ DEFINE_BOOL(trace_fragmentation_verbose, false, DEFINE_BOOL(trace_evacuation, false, "report evacuation statistics") DEFINE_BOOL(trace_mutator_utilization, false, "print mutator utilization, allocation speed, gc speed") -DEFINE_BOOL(flush_code, true, "flush code that we expect not to use again") +DEFINE_BOOL(flush_code, false, "flush code that we expect not to use again") DEFINE_BOOL(trace_code_flushing, false, "trace code flushing progress") DEFINE_BOOL(age_code, true, "track un-executed functions to age code and flush only " @@ -659,15 +670,24 @@ DEFINE_BOOL(age_code, true, DEFINE_BOOL(incremental_marking, true, "use incremental marking") DEFINE_BOOL(incremental_marking_wrappers, true, "use incremental marking for marking wrappers") -DEFINE_BOOL(concurrent_marking, false, "use concurrent marking") +#ifdef V8_CONCURRENT_MARKING +#define V8_CONCURRENT_MARKING_BOOL true +#else +#define V8_CONCURRENT_MARKING_BOOL false +#endif +DEFINE_BOOL(concurrent_marking, V8_CONCURRENT_MARKING_BOOL, + "use concurrent marking") DEFINE_BOOL(trace_concurrent_marking, false, "trace concurrent marking") +DEFINE_BOOL(minor_mc_parallel_marking, true, + "use parallel marking for the young generation") +DEFINE_BOOL(trace_minor_mc_parallel_marking, false, + "trace parallel marking for the young generation") DEFINE_INT(min_progress_during_incremental_marking_finalization, 32, "keep finalizing incremental marking as long as we discover at " "least this many unmarked objects") DEFINE_INT(max_incremental_marking_finalization_rounds, 3, "at most try this many times to finalize incremental marking") DEFINE_BOOL(minor_mc, false, "perform young generation mark compact GCs") -DEFINE_NEG_IMPLICATION(minor_mc, page_promotion) DEFINE_NEG_IMPLICATION(minor_mc, flush_code) DEFINE_BOOL(black_allocation, true, "use black allocation") DEFINE_BOOL(concurrent_store_buffer, true, @@ -694,6 +714,8 @@ DEFINE_BOOL(trace_detached_contexts, false, DEFINE_IMPLICATION(trace_detached_contexts, track_detached_contexts) #ifdef VERIFY_HEAP DEFINE_BOOL(verify_heap, false, "verify heap pointers before and after GC") +DEFINE_BOOL(verify_heap_skip_remembered_set, false, + "disable remembered set verification") #endif DEFINE_BOOL(move_object_start, true, "enable moving of object starts") DEFINE_BOOL(memory_reducer, true, "use memory reducer") @@ -709,8 +731,6 @@ DEFINE_BOOL(cleanup_code_caches_at_gc, true, DEFINE_BOOL(use_marking_progress_bar, true, "Use a progress bar to scan large objects in increments when " "incremental marking is active.") -DEFINE_BOOL(zap_code_space, DEBUG_BOOL, - "Zap free memory in code space with 0xCC while sweeping.") DEFINE_BOOL(force_marking_deque_overflows, false, "force overflows of marking deque by reducing it's size " "to 64 words") @@ -782,8 +802,6 @@ DEFINE_BOOL(builtins_in_stack_traces, false, "show built-in functions in stack traces") // builtins.cc -DEFINE_BOOL(experimental_fast_array_builtins, false, - "use experimental array builtins") DEFINE_BOOL(allow_unsafe_function_constructor, false, "allow invoking the function constructor without security checks") @@ -890,10 +908,6 @@ DEFINE_BOOL(clear_exceptions_on_js_entry, false, DEFINE_INT(histogram_interval, 600000, "time interval in ms for aggregating memory histograms") -// global-handles.cc -DEFINE_BOOL(trace_object_groups, false, - "print object groups detected during each garbage collection") - // heap-snapshot-generator.cc DEFINE_BOOL(heap_profiler_trace_objects, false, "Dump heap object allocations/movements/size_updates") @@ -909,7 +923,8 @@ DEFINE_BOOL(use_idle_notification, true, "Use idle notification to reduce memory footprint.") // ic.cc DEFINE_BOOL(use_ic, true, "use inline caching") -DEFINE_BOOL(trace_ic, false, "trace inline cache state transitions") +DEFINE_BOOL(trace_ic, false, + "trace inline cache state transitions for tools/ic-processor") DEFINE_IMPLICATION(trace_ic, log_code) DEFINE_INT(ic_stats, 0, "inline cache state transitions statistics") DEFINE_VALUE_IMPLICATION(trace_ic, ic_stats, 1) @@ -928,7 +943,7 @@ DEFINE_BOOL(trace_prototype_users, false, "Trace updates to prototype user tracking") DEFINE_BOOL(use_verbose_printer, true, "allows verbose printing") DEFINE_BOOL(trace_for_in_enumerate, false, "Trace for-in enumerate slow-paths") -#if TRACE_MAPS +#if V8_TRACE_MAPS DEFINE_BOOL(trace_maps, false, "trace map creation") #endif @@ -944,9 +959,9 @@ DEFINE_BOOL(lazy_inner_functions, true, "enable lazy parsing inner functions") DEFINE_BOOL(aggressive_lazy_inner_functions, false, "even lazier inner function parsing") DEFINE_IMPLICATION(aggressive_lazy_inner_functions, lazy_inner_functions) -DEFINE_BOOL(preparser_scope_analysis, false, +DEFINE_BOOL(experimental_preparser_scope_analysis, false, "perform scope analysis for preparsed inner functions") -DEFINE_IMPLICATION(preparser_scope_analysis, lazy_inner_functions) +DEFINE_IMPLICATION(experimental_preparser_scope_analysis, lazy_inner_functions) // simulator-arm.cc, simulator-arm64.cc and simulator-mips.cc DEFINE_BOOL(trace_sim, false, "Trace simulator execution") @@ -987,8 +1002,6 @@ DEFINE_BOOL(abort_on_stack_overflow, false, DEFINE_BOOL(randomize_hashes, true, "randomize hashes to avoid predictable hash collisions " "(with snapshots this option cannot override the baked-in seed)") -DEFINE_BOOL(rehash_snapshot, true, - "rehash strings from the snapshot to override the baked-in seed") DEFINE_INT(hash_seed, 0, "Fixed seed to use to hash property keys (0 means random)" "(with snapshots this option cannot override the baked-in seed)") @@ -1040,6 +1053,7 @@ DEFINE_BOOL(help, false, "Print usage message, including flags, on console") DEFINE_BOOL(dump_counters, false, "Dump counters on exit") DEFINE_BOOL(dump_counters_nvp, false, "Dump counters as name-value pairs on exit") +DEFINE_BOOL(use_external_strings, false, "Use external strings for source code") DEFINE_STRING(map_counters, "", "Map counters to a file") DEFINE_ARGS(js_arguments, @@ -1295,6 +1309,7 @@ DEFINE_BOOL(single_threaded, false, "disable the use of background tasks") DEFINE_NEG_IMPLICATION(single_threaded, concurrent_recompilation) DEFINE_NEG_IMPLICATION(single_threaded, concurrent_marking) DEFINE_NEG_IMPLICATION(single_threaded, concurrent_sweeping) +DEFINE_NEG_IMPLICATION(single_threaded, minor_mc_parallel_marking) DEFINE_NEG_IMPLICATION(single_threaded, parallel_compaction) DEFINE_NEG_IMPLICATION(single_threaded, parallel_pointer_update) DEFINE_NEG_IMPLICATION(single_threaded, concurrent_store_buffer) @@ -1321,7 +1336,7 @@ DEFINE_INT(dump_allocations_digest_at_alloc, -1, // assembler.h DEFINE_BOOL(enable_embedded_constant_pool, V8_EMBEDDED_CONSTANT_POOL, - "enable use of embedded constant pools (ARM/PPC only)") + "enable use of embedded constant pools (PPC only)") DEFINE_BOOL(unbox_double_fields, V8_DOUBLE_FIELDS_UNBOXING, "enable in-object double fields unboxing (64-bit only)") |