diff options
Diffstat (limited to 'deps/v8/src/flag-definitions.h')
| -rw-r--r-- | deps/v8/src/flag-definitions.h | 79 |
1 files changed, 51 insertions, 28 deletions
diff --git a/deps/v8/src/flag-definitions.h b/deps/v8/src/flag-definitions.h index c0eaf16da..b93d03b59 100644 --- a/deps/v8/src/flag-definitions.h +++ b/deps/v8/src/flag-definitions.h @@ -167,10 +167,7 @@ struct MaybeBoolFlag { // Flags for language modes and experimental language features. DEFINE_bool(use_strict, false, "enforce strict mode") -DEFINE_bool(es5_readonly, true, - "activate correct semantics for inheriting readonliness") -DEFINE_bool(es52_globals, true, - "activate new semantics for global var declarations") +DEFINE_bool(es_staging, false, "enable upcoming ES6+ features") DEFINE_bool(harmony_typeof, false, "enable harmony semantics for typeof") DEFINE_bool(harmony_scoping, false, "enable harmony block scoping") @@ -178,12 +175,9 @@ DEFINE_bool(harmony_modules, false, "enable harmony modules (implies block scoping)") DEFINE_bool(harmony_symbols, false, "enable harmony symbols (a.k.a. private names)") -DEFINE_bool(harmony_promises, false, "enable harmony promises") DEFINE_bool(harmony_proxies, false, "enable harmony proxies") DEFINE_bool(harmony_collections, false, - "enable harmony collections (sets, maps, and weak maps)") -DEFINE_bool(harmony_observation, false, - "enable harmony object observation (implies harmony collections") + "enable harmony collections (sets, maps)") DEFINE_bool(harmony_generators, false, "enable harmony generators") DEFINE_bool(harmony_iteration, false, "enable harmony iteration (for-of)") DEFINE_bool(harmony_numeric_literals, false, @@ -192,22 +186,21 @@ DEFINE_bool(harmony_strings, false, "enable harmony string") DEFINE_bool(harmony_arrays, false, "enable harmony arrays") DEFINE_bool(harmony_maths, false, "enable harmony math functions") DEFINE_bool(harmony, false, "enable all harmony features (except typeof)") + DEFINE_implication(harmony, harmony_scoping) DEFINE_implication(harmony, harmony_modules) DEFINE_implication(harmony, harmony_symbols) -DEFINE_implication(harmony, harmony_promises) DEFINE_implication(harmony, harmony_proxies) DEFINE_implication(harmony, harmony_collections) -DEFINE_implication(harmony, harmony_observation) DEFINE_implication(harmony, harmony_generators) DEFINE_implication(harmony, harmony_iteration) DEFINE_implication(harmony, harmony_numeric_literals) DEFINE_implication(harmony, harmony_strings) DEFINE_implication(harmony, harmony_arrays) -DEFINE_implication(harmony, harmony_maths) -DEFINE_implication(harmony_promises, harmony_collections) DEFINE_implication(harmony_modules, harmony_scoping) -DEFINE_implication(harmony_observation, harmony_collections) + +DEFINE_implication(harmony, es_staging) +DEFINE_implication(es_staging, harmony_maths) // Flags for experimental implementation features. DEFINE_bool(packed_arrays, true, "optimizes arrays that have no holes") @@ -234,7 +227,6 @@ DEFINE_implication(track_double_fields, track_fields) DEFINE_implication(track_heap_object_fields, track_fields) DEFINE_implication(track_computed_fields, track_fields) DEFINE_bool(smi_binop, true, "support smi representation in binary operations") -DEFINE_bool(smi_x64_store_opt, false, "optimized stores of smi on x64") // Flags for optimization types. DEFINE_bool(optimize_for_size, false, @@ -248,13 +240,15 @@ DEFINE_bool(string_slices, true, "use string slices") // Flags for Crankshaft. DEFINE_bool(crankshaft, true, "use crankshaft") DEFINE_string(hydrogen_filter, "*", "optimization filter") -DEFINE_bool(use_range, true, "use hydrogen range analysis") DEFINE_bool(use_gvn, true, "use hydrogen global value numbering") DEFINE_int(gvn_iterations, 3, "maximum number of GVN fix-point iterations") DEFINE_bool(use_canonicalizing, true, "use hydrogen instruction canonicalizing") DEFINE_bool(use_inlining, true, "use function inlining") DEFINE_bool(use_escape_analysis, true, "use hydrogen escape analysis") DEFINE_bool(use_allocation_folding, true, "use allocation folding") +DEFINE_bool(use_local_allocation_folding, false, "only fold in basic blocks") +DEFINE_bool(use_write_barrier_elimination, true, + "eliminate write barriers targeting allocations in optimized code") DEFINE_int(max_inlining_levels, 5, "maximum number of inlining levels") DEFINE_int(max_inlined_source_size, 600, "maximum source size in bytes considered for a single inlining") @@ -275,6 +269,7 @@ DEFINE_string(trace_hydrogen_file, NULL, "trace hydrogen to given file name") DEFINE_string(trace_phase, "HLZ", "trace generated IR for specified phases") DEFINE_bool(trace_inlining, false, "trace inlining decisions") DEFINE_bool(trace_load_elimination, false, "trace load elimination") +DEFINE_bool(trace_store_elimination, false, "trace store elimination") DEFINE_bool(trace_alloc, false, "trace register allocator") DEFINE_bool(trace_all_uses, false, "trace all use positions") DEFINE_bool(trace_range, false, "trace range analysis") @@ -301,6 +296,7 @@ DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining") DEFINE_bool(use_osr, true, "use on-stack replacement") DEFINE_bool(array_bounds_checks_elimination, true, "perform array bounds checks elimination") +DEFINE_bool(trace_bce, false, "trace array bounds check elimination") DEFINE_bool(array_bounds_checks_hoisting, false, "perform array bounds checks hoisting") DEFINE_bool(array_index_dehoisting, true, @@ -309,6 +305,7 @@ DEFINE_bool(analyze_environment_liveness, true, "analyze liveness of environment slots and zap dead values") DEFINE_bool(load_elimination, true, "use load elimination") DEFINE_bool(check_elimination, true, "use check elimination") +DEFINE_bool(store_elimination, false, "use store elimination") DEFINE_bool(dead_code_elimination, true, "use dead code elimination") DEFINE_bool(fold_constants, true, "use constant folding") DEFINE_bool(trace_dead_code_elimination, false, "trace dead code elimination") @@ -353,6 +350,9 @@ 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_int(typed_array_max_size_in_heap, 64, + "threshold for in-heap typed array") + // Profiler flags. DEFINE_int(frame_count, 1, "number of stack frames inspected by the profiler") // 0x1800 fits in the immediate field of an ARM instruction. @@ -396,6 +396,8 @@ DEFINE_bool(enable_32dregs, ENABLE_32DREGS_DEFAULT, "enable use of d16-d31 registers on ARM - this requires VFP3") DEFINE_bool(enable_vldr_imm, false, "enable use of constant pools for double immediate (ARM only)") +DEFINE_bool(force_long_branches, false, + "force all emitted branches to be in long mode (MIPS only)") // bootstrapper.cc DEFINE_string(expose_natives_as, NULL, "expose natives in global object") @@ -416,10 +418,6 @@ 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, - "print a stack trace if an assertion failure occurs") - // codegen-ia32.cc / codegen-arm.cc DEFINE_bool(trace_codegen, false, "print name of functions for which code is generated") @@ -470,7 +468,7 @@ DEFINE_bool(debugger_auto_break, true, "automatically set the debug break flag when debugger commands are " "in the queue") DEFINE_bool(enable_liveedit, true, "enable liveedit experimental feature") -DEFINE_bool(break_on_abort, true, "always cause a debug break before aborting") +DEFINE_bool(hard_abort, true, "abort by crashing") // execution.cc // Slightly less than 1MB on 64-bit, since Windows' default stack size for @@ -535,6 +533,7 @@ DEFINE_bool(parallel_sweeping, true, "enable parallel sweeping") DEFINE_bool(concurrent_sweeping, false, "enable concurrent sweeping") DEFINE_int(sweeper_threads, 0, "number of parallel and concurrent sweeping threads") +DEFINE_bool(job_based_sweeping, false, "enable job based sweeping") #ifdef VERIFY_HEAP DEFINE_bool(verify_heap, false, "verify heap pointers before and after GC") #endif @@ -571,6 +570,8 @@ 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, true, + "Zap free memory in code space with 0xCC while sweeping.") DEFINE_int(random_seed, 0, "Default seed for initializing random generator " "(0, the default, means to use system random).") @@ -582,19 +583,36 @@ DEFINE_bool(use_verbose_printer, true, "allows verbose printing") DEFINE_bool(allow_natives_syntax, false, "allow natives syntax") DEFINE_bool(trace_parse, false, "trace parsing and preparsing") -// simulator-arm.cc and simulator-mips.cc +// simulator-arm.cc, simulator-arm64.cc and simulator-mips.cc DEFINE_bool(trace_sim, false, "Trace simulator execution") +DEFINE_bool(debug_sim, false, "Enable debugging the simulator") DEFINE_bool(check_icache, false, "Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions") +#ifdef V8_TARGET_ARCH_ARM64 +DEFINE_int(sim_stack_alignment, 16, + "Stack alignment in bytes in simulator. This must be a power of two " + "and it must be at least 16. 16 is default.") +#else DEFINE_int(sim_stack_alignment, 8, "Stack alingment in bytes in simulator (4 or 8, 8 is default)") +#endif +DEFINE_int(sim_stack_size, 2 * MB / KB, + "Stack size of the ARM64 simulator in kBytes (default is 2 MB)") +DEFINE_bool(log_regs_modified, true, + "When logging register values, only print modified registers.") +DEFINE_bool(log_colour, true, + "When logging, try to use coloured output.") +DEFINE_bool(ignore_asm_unimplemented_break, false, + "Don't break for ASM_UNIMPLEMENTED_BREAK macros.") +DEFINE_bool(trace_sim_messages, false, + "Trace simulator debug messages. Implied by --trace-sim.") // isolate.cc +DEFINE_bool(stack_trace_on_illegal, false, + "print stack trace when an illegal exception is thrown") DEFINE_bool(abort_on_uncaught_exception, false, "abort program (dump core) when an uncaught exception is thrown") -DEFINE_bool(trace_exception, false, - "print stack trace when throwing exceptions") DEFINE_bool(randomize_hashes, true, "randomize hashes to avoid predictable hash collisions " "(with snapshots this option cannot override the baked-in seed)") @@ -633,7 +651,6 @@ 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) @@ -799,6 +816,11 @@ DEFINE_bool(log_timer_events, false, "Time events including external callbacks.") DEFINE_implication(log_timer_events, log_internal_timer_events) DEFINE_implication(log_internal_timer_events, prof) +DEFINE_bool(log_instruction_stats, false, "Log AArch64 instruction statistics.") +DEFINE_string(log_instruction_file, "arm64_inst.csv", + "AArch64 instruction statistics log file.") +DEFINE_int(log_instruction_period, 1 << 22, + "AArch64 instruction statistics logging period.") DEFINE_bool(redirect_code_traces, false, "output deopt information and disassembly into file " @@ -806,6 +828,9 @@ DEFINE_bool(redirect_code_traces, false, DEFINE_string(redirect_code_traces_to, NULL, "output deopt information and disassembly into the given file") +DEFINE_bool(hydrogen_track_positions, false, + "track source code positions when building IR") + // // Disassembler only flags // @@ -838,8 +863,6 @@ DEFINE_bool(print_unopt_code, false, "print unoptimized code before " "printing optimized code based on it") DEFINE_bool(print_code_verbose, false, "print more information for code") DEFINE_bool(print_builtin_code, false, "print generated code for builtins") -DEFINE_bool(emit_opt_code_positions, false, - "annotate optimize code with source code positions") #ifdef ENABLE_DISASSEMBLER DEFINE_bool(sodium, false, "print generated code output suitable for use with " @@ -848,7 +871,7 @@ DEFINE_bool(sodium, false, "print generated code output suitable for use with " DEFINE_implication(sodium, print_code_stubs) DEFINE_implication(sodium, print_code) DEFINE_implication(sodium, print_opt_code) -DEFINE_implication(sodium, emit_opt_code_positions) +DEFINE_implication(sodium, hydrogen_track_positions) DEFINE_implication(sodium, code_comments) DEFINE_bool(print_all_code, false, "enable all flags related to printing code") @@ -871,7 +894,7 @@ DEFINE_implication(print_all_code, trace_codegen) #define FLAG FLAG_READONLY // assembler-arm.h -DEFINE_bool(enable_ool_constant_pool, false, +DEFINE_bool(enable_ool_constant_pool, V8_OOL_CONSTANT_POOL, "enable use of out-of-line constant pools (ARM only)") // Cleanup... |