Upgrade to V8 3.4
Merge 3.4.14.35
Simple merge required updates to makefiles only.
Bug: 568872
Change-Id: I403a38452c547e06fcfa951c12eca12a1bc40978
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index a85f5fe..2db44c3 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -99,6 +99,9 @@
// Flags for experimental language features.
DEFINE_bool(harmony_proxies, false, "enable harmony proxies")
+// Flags for experimental implementation features.
+DEFINE_bool(unbox_double_arrays, false, "automatically unbox arrays of doubles")
+
// Flags for Crankshaft.
#ifdef V8_TARGET_ARCH_MIPS
DEFINE_bool(crankshaft, false, "use crankshaft")
@@ -131,12 +134,9 @@
DEFINE_int(deopt_every_n_times,
0,
"deoptimize every n times a deopt point is passed")
-DEFINE_bool(process_arguments_object, true, "try to deal with arguments object")
DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing")
DEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases")
DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining")
-DEFINE_bool(aggressive_loop_invariant_motion, true,
- "aggressive motion of instructions out of loops")
DEFINE_bool(use_osr, true, "use on-stack replacement")
DEFINE_bool(trace_osr, false, "trace on-stack replacement")
@@ -149,8 +149,6 @@
DEFINE_bool(code_comments, false, "emit comments in code disassembly")
DEFINE_bool(peephole_optimization, true,
"perform peephole optimizations in assembly code")
-DEFINE_bool(print_peephole_optimization, false,
- "print peephole optimizations in assembly code")
DEFINE_bool(enable_sse2, true,
"enable use of SSE2 instructions if available")
DEFINE_bool(enable_sse3, true,
@@ -189,7 +187,6 @@
// codegen-ia32.cc / codegen-arm.cc
DEFINE_bool(trace, false, "trace function calls")
-DEFINE_bool(defer_negation, true, "defer negation operation")
DEFINE_bool(mask_constants_with_cookie,
true,
"use random jit cookie to mask large constants")
@@ -202,33 +199,23 @@
DEFINE_bool(opt_eagerly, false, "be more eager when adaptively optimizing")
DEFINE_bool(always_opt, false, "always try to optimize functions")
DEFINE_bool(prepare_always_opt, false, "prepare for turning on always opt")
-DEFINE_bool(debug_info, true, "add debug information to compiled functions")
DEFINE_bool(deopt, true, "support deoptimization")
DEFINE_bool(trace_deopt, false, "trace deoptimization")
// compiler.cc
-DEFINE_bool(strict, false, "strict error checking")
DEFINE_int(min_preparse_length, 1024,
"minimum length for automatic enable preparsing")
-DEFINE_bool(full_compiler, true, "enable dedicated backend for run-once code")
DEFINE_bool(always_full_compiler, false,
"try to use the dedicated run-once backend for all code")
DEFINE_bool(trace_bailout, false,
"print reasons for falling back to using the classic V8 backend")
-DEFINE_bool(safe_int32_compiler, true,
- "enable optimized side-effect-free int32 expressions.")
-DEFINE_bool(use_flow_graph, false, "perform flow-graph based optimizations")
// compilation-cache.cc
DEFINE_bool(compilation_cache, true, "enable compilation cache")
DEFINE_bool(cache_prototype_transitions, true, "cache prototype transitions")
-// data-flow.cc
-DEFINE_bool(loop_peeling, false, "Peel off the first iteration of loops.")
-
// debug.cc
-DEFINE_bool(remote_debugging, false, "enable remote debugging")
DEFINE_bool(trace_debug_json, false, "trace debugging JSON request/response")
DEFINE_bool(debugger_auto_break, true,
"automatically set the debug break flag when debugger commands are "
@@ -316,9 +303,6 @@
DEFINE_bool(allow_natives_syntax, false, "allow natives syntax")
DEFINE_bool(strict_mode, true, "allow strict mode directives")
-// rewriter.cc
-DEFINE_bool(optimize_ast, true, "optimize the ast")
-
// simulator-arm.cc and simulator-mips.cc
DEFINE_bool(trace_sim, false, "Trace simulator execution")
DEFINE_bool(check_icache, false, "Check icache flushes in ARM simulator")
@@ -337,7 +321,6 @@
"activate a 100ms timer that switches between V8 threads")
// Regexp
-DEFINE_bool(trace_regexps, false, "trace regexp execution")
DEFINE_bool(regexp_optimization, true, "generate optimized regexp code")
DEFINE_bool(regexp_entry_native, true, "use native code to enter regexp")
@@ -388,6 +371,8 @@
DEFINE_bool(gdbjit, false, "enable GDBJIT interface (disables compacting GC)")
DEFINE_bool(gdbjit_full, false, "enable GDBJIT interface for all code objects")
DEFINE_bool(gdbjit_dump, false, "dump elf objects with debug info to disk")
+DEFINE_string(gdbjit_dump_filter, "",
+ "dump only objects containing this substring")
//
// Debug only flags
@@ -414,16 +399,11 @@
DEFINE_bool(print_json_ast, false, "print source AST as JSON")
DEFINE_bool(print_builtin_json_ast, false,
"print source AST for builtins as JSON")
-DEFINE_bool(trace_calls, false, "trace calls")
-DEFINE_bool(trace_builtin_calls, false, "trace builtins calls")
DEFINE_string(stop_at, "", "function name where to insert a breakpoint")
// compiler.cc
DEFINE_bool(print_builtin_scopes, false, "print scopes for builtins")
DEFINE_bool(print_scopes, false, "print scopes")
-DEFINE_bool(print_ir, false, "print the AST as seen by the backend")
-DEFINE_bool(print_graph_text, false,
- "print a text representation of the flow graph")
// contexts.cc
DEFINE_bool(trace_contexts, false, "trace contexts operations")
@@ -472,14 +452,10 @@
"trace regexp macro assembler calls.")
//
-// Logging and profiling only flags
+// Logging and profiling flags
//
#undef FLAG
-#ifdef ENABLE_LOGGING_AND_PROFILING
#define FLAG FLAG_FULL
-#else
-#define FLAG FLAG_READONLY
-#endif
// log.cc
DEFINE_bool(log, false,
@@ -495,7 +471,6 @@
DEFINE_bool(log_snapshot_positions, false,
"log positions of (de)serialized objects in the snapshot.")
DEFINE_bool(log_suspect, false, "Log suspect operations.")
-DEFINE_bool(log_producers, false, "Log stack traces of JS objects allocations.")
DEFINE_bool(prof, false,
"Log statistical profiling information (implies --log-code).")
DEFINE_bool(prof_auto, true,
@@ -512,19 +487,6 @@
DEFINE_bool(ll_prof, false, "Enable low-level linux profiler.")
//
-// Heap protection flags
-// Using heap protection requires ENABLE_LOGGING_AND_PROFILING as well.
-//
-#ifdef ENABLE_HEAP_PROTECTION
-#undef FLAG
-#define FLAG FLAG_FULL
-
-DEFINE_bool(protect_heap, false,
- "Protect/unprotect V8's heap when leaving/entring the VM.")
-
-#endif
-
-//
// Disassembler only flags
//
#undef FLAG