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Ulan Degenbaev 1ad0cd560e Separate DescriptorArray from WeakFixedArray 
This patch gives DescriptorArray its own visitor id and its
own layout that is independent from the layout of WeakFixedArray.
This allows us to use raw 16-bit integers for keeping track of
the number of descriptors (total, non-slack, and marked).

As a side-effect, we save one word per descriptor array on 64-bit.

v8:8486

Change-Id: If8389dde446319e5b3491abc948b52539dba235c
Reviewed-on: https://chromium-review.googlesource.com/c/1349245
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57845}
2018-11-26 16:41:20 +00:00
..
blink_tests [test] Skip some layout tests on V8 side 2018-08-31 16:17:14 +00:00
cfi [CFI] Expand blacklisted entries 2018-04-11 09:00:31 +00:00
clusterfuzz [foozzie] Add Big*64Array to mock file 2018-10-17 06:24:06 +00:00
dev [gm.py] Allow arbitrary mode suffixes 2018-11-07 20:02:58 +00:00
gcmole Revert GC scheduling for external backing stores 2018-08-30 14:24:38 +00:00
generate_shim_headers Add dependency to ICU 4.6 2013-07-01 08:32:41 +00:00
heap-stats [tools] Fix V8 heap-stats loading spinner 2018-11-21 11:20:19 +00:00
ignition [Interpreter] Replace --ignition flag with a --stress-fullcodegen 2017-07-13 13:05:00 +00:00
jsfunfuzz Reland "[build] Remove legacy isolate configurations" 2018-03-28 12:36:55 +00:00
link_clicker.extension [tools] Add link_click chrome extension 2017-05-09 15:25:21 +00:00
mb Use gn from PATH on aix 2018-08-09 21:01:15 +00:00
memory [build] Fix win-asan compilation 2017-10-16 08:37:15 +00:00
msan [gn] Add missing dep and blacklist for msan 2016-07-29 09:01:24 +00:00
ninja [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
node [tools] Remove node backport script and leave a readme 2018-11-09 14:08:43 +00:00
perf [tools] Refactor patch/no-patch terminology in run_perf.py 2017-11-22 07:19:50 +00:00
profview [profview] Fix the source indexing with ids. 2018-10-09 07:05:50 +00:00
profviz [log] Improve log parsing 2018-06-20 13:40:22 +00:00
release [tools] Update builder name as old builder is deprecated 2018-11-21 13:03:05 +00:00
sanitizers Drop the two ICU entries from Tsan suppresion list 2018-11-04 06:11:51 +00:00
snapshot [builtins] Emit builtins as inline assembly on windows clang builds 2018-11-22 11:08:36 +00:00
sodium Add tool to visualize machine code/lithium. 2013-10-21 13:35:48 +00:00
testrunner [tools] Add FAIL_PHASE_ONLY status file modifier for test262 tests 2018-11-22 12:43:05 +00:00
toolchain [build] Add support for the other MIPS architectures 2018-03-19 10:43:07 +00:00
torque Reland "[torque] Implement intrinsics support" 2018-11-22 08:59:39 +00:00
turbolizer [turbolizer] Add comment about deployment 2018-11-22 13:16:09 +00:00
ubsan [build] Add ubsan blacklist file 2018-06-19 10:46:53 +00:00
unittests [test] Add feature to keep running skipped tests. 2018-11-22 08:12:21 +00:00
v8.xcodeproj Add support for building Xcode project files from GYP files 2011-06-09 09:07:17 +00:00
valgrind/asan [build] Add testrunner data deps 2018-03-26 12:17:08 +00:00
vim [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
visual_studio Remove the Visual Studio project files 2011-05-02 13:43:13 +00:00
wasm [wasm/tools] Add import profiler 2018-11-22 15:36:21 +00:00
adb-d8.py [tools] Various small adb-d8.py enhancements 2017-08-24 14:20:55 +00:00
android-build.sh Rewrite Makefile rules for Android to allow parallel execution 2012-07-27 11:14:44 +00:00
android-ll-prof.sh Change default ARCH version in android low-level profiler script to 4.6 2012-10-08 11:11:30 +00:00
android-run.py Bug fix: android-run.py 2016-07-18 09:45:23 +00:00
android-sync.sh [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
arguments.js [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
avg.py [tools] Add an averaging script 2018-07-09 14:45:42 +00:00
bash-completion.sh [tools] Fix tools/bash-completion.sh for bool flags and harmony features 2015-12-10 10:01:39 +00:00
bigint-tester.py Remove always-true --harmony-bigint runtime flag 2018-10-01 11:31:13 +00:00
BUILD.gn [test] Fix predictable builder after swarming switch 2018-10-23 13:24:53 +00:00
callstats.html [RCS / TurboFan] Enable basic off-thread RCS for Concurrent Optimization. 2018-09-07 10:02:27 +00:00
callstats.py [tools] Always set --data-path for content_shell 2018-10-22 14:19:35 +00:00
callstats.py.vpython [tools] Fix platform specification for scipi 2018-08-17 18:49:49 +00:00
check-inline-includes.sh [iwyu] Extend inline include checking to tests. 2017-09-08 09:31:32 +00:00
check-static-initializers.sh Reland^3 r22105 "Remove static initializer from isolate" 2014-07-07 10:56:36 +00:00
check-unused-bailouts.sh [tools] Speed-up check-unused-bailouts.sh 2017-08-02 11:11:19 +00:00
check-unused-symbols.sh [cleanup] Remove unused heap-symbols and add tool. 2018-11-08 17:57:05 +00:00
codemap.js [builtins] Add kind specific flag for off-heap trampolines 2018-06-22 09:43:25 +00:00
collect_deprecation_stats.sh [objects] Deprecate GetIsolate/Heap behind a flag 2018-06-01 15:19:21 +00:00
compare-table-gen.js Add more exhaustive tests for Math.min and Math.max. 2015-04-10 12:35:16 +00:00
concatenate-files.py Fix common misspellings 2017-08-02 09:35:28 +00:00
consarray.js Make sure files end with exactly one new line and police this in presubmit. 2013-11-22 13:50:39 +00:00
cpu.sh [tools] Allow specifying cores for cpu.sh script. 2015-11-18 10:53:30 +00:00
cross_build_gcc.sh Fix tools/cross_build_gcc.sh. 2014-02-20 16:37:40 +00:00
csvparser.js Escape backslashes when logging. 2018-08-10 09:09:19 +00:00
DEPS Add DEPS files and run checkdeps in presubmit check 2014-06-03 13:39:42 +00:00
detect-builtins.js [tools] Fix detect-builtins.js 2016-06-09 10:17:32 +00:00
disasm.py [grokdump] Include -z flag to make objdump disassemble all-zero sections 2017-04-21 13:35:37 +00:00
draw_instruction_graph.sh Rename A64 port to ARM64 port 2014-03-21 09:28:26 +00:00
dump-cpp.py [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
dumpcpp-driver.js [prof] Add slide offset in dumpcpp script 2016-05-30 08:56:59 +00:00
dumpcpp.js [log] Improve log parsing 2018-06-20 13:40:22 +00:00
eval_gc_nvp.py [tools] Compute percentiles for GC NVP 2016-04-08 12:05:59 +00:00
eval_gc_time.sh [in-place weak refs] Remove WeakCell 2018-08-14 08:05:05 +00:00
find_depot_tools.py Prototype for a client-side performance trybot script. 2014-11-18 14:40:00 +00:00
find-commit-for-patch.py Add tools/find-commit-for-patch.py 2014-12-16 14:25:00 +00:00
freebsd-tick-processor * Fix build errors on FreeBSD 8.2 2011-03-16 11:15:43 +00:00
fuzz-harness.sh [compiler] Make --debug-code the default in debug builds. 2016-12-02 11:36:55 +00:00
gc_nvp_common.py Clean up mark-compact phases and GC counter names. 2015-12-11 11:26:21 +00:00
gc-nvp-to-csv.py [tools] Add gc-nvp-to-csv.py script. 2015-06-19 10:40:47 +00:00
gc-nvp-trace-processor.py [tools] Add gc-nvp-to-csv.py script. 2015-06-19 10:40:47 +00:00
gdb-v8-support.py [tools] Add redirect gdb helper 2017-11-24 16:55:16 +00:00
gdbinit [gdb] Add jh macro for printing objects inside handles 2018-11-12 22:08:21 +00:00
gen-inlining-tests.py [turbofan] Remove --turbo shorthand for --turbo-filter. 2017-06-23 11:19:19 +00:00
gen-keywords-gen-h.py Reland "[parser] Perfect hash for keywords" 2018-11-26 14:10:24 +00:00
gen-postmortem-metadata.py Separate DescriptorArray from WeakFixedArray 2018-11-26 16:41:20 +00:00
generate-builtins-tests.py Add a script that can generate simple test cases for user-exposed JS builtins 2014-09-11 09:58:58 +00:00
generate-header-include-checks.py [wasm] Implement trap handler on Windows 2018-10-30 10:25:37 +00:00
generate-ten-powers.scm Fast double-to-ascii conversion. 2010-03-11 14:49:35 +00:00
get_landmines.py [build] Prepare removal of gyp-defines from landmine 2018-02-16 23:28:14 +00:00
grokdump.py Rename ShortExternalString to UncachedExternalString. 2018-08-27 16:54:03 +00:00
ic-explorer.html [tools] Fix IC-Explorer drilldown and format file 2017-10-30 11:17:43 +00:00
ic-processor [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
ic-processor-driver.js [tools] Fix IC-Explorer drilldown and format file 2017-10-30 11:17:43 +00:00
ic-processor.js Delete dead/debug code in (tick|ic|map)processor.js. 2018-08-16 12:31:02 +00:00
js2c.py Move MessageTemplate enum into its own header file 2018-10-11 23:01:32 +00:00
jsmin.py jsmin.py: Fix issue with escaping of back ticks 2015-06-24 22:29:46 +00:00
linux-tick-processor [tools] Make tick processor report error to stderr. 2018-11-06 14:25:55 +00:00
ll_prof.py Fix annotated disassembly in ll_prof.py 2016-04-06 12:38:44 +00:00
lldb_commands.py Reland "Fix and extend lldbinit" 2018-07-13 07:40:19 +00:00
locs.py [tools] Add script to count lines of code 2018-11-26 13:57:39 +00:00
logreader.js [log] Improve log parsing 2018-06-20 13:40:22 +00:00
mac-nm [profiler] Graphical front-end for tick processor. 2017-03-04 13:04:58 +00:00
mac-tick-processor Implement shared libraries logging on Mac OS X, added required support in Tick Processor. 2009-07-14 05:01:06 +00:00
Makefile.tags [Makefile] Move tags generation to standalone Makefile 2018-01-26 12:03:32 +00:00
map-processor tick processor: fix arguments and comments 2018-10-29 09:48:23 +00:00
map-processor-driver.js [tools] All new shiny maptracer.html 2017-12-18 12:48:00 +00:00
map-processor.html [tools] Improve and clean up map procesor 2018-11-21 11:21:59 +00:00
map-processor.js [tools] Improve and clean up map procesor 2018-11-21 11:21:59 +00:00
mips_toolchain.tar.gz.sha1 [build] Enable downloading mips toolchain via runhooks 2018-01-31 14:38:43 +00:00
objdump-v8 [disasm] Make jump target printing perf friendly 2017-03-20 14:47:04 +00:00
OWNERS Add initial set of sub directory OWNERS file 2015-04-02 08:46:24 +00:00
parse-processor tick processor: fix arguments and comments 2018-10-29 09:48:23 +00:00
parse-processor-driver.js [tools] New parse processor tool 2017-12-20 13:07:17 +00:00
parse-processor.html [tools] Improve function event logging and parse processor 2018-07-16 14:05:14 +00:00
parse-processor.js [tools] Improve function event logging and parse processor 2018-07-16 14:05:14 +00:00
perf-compare.py Reland "Reland "[test] Creating command before execution phase."" 2017-12-04 13:40:29 +00:00
plot-timer-events tick processor: fix arguments and comments 2018-10-29 09:48:23 +00:00
predictable_wrapper.py Reland "[test] Add logic to run tests on Android" 2018-08-10 17:56:12 +00:00
PRESUBMIT.py [tools] Remove tools/presubmit.py and move unittests/PRESUBMIT.py into its place 2018-10-30 17:12:35 +00:00
profile_view.js Tick processor: improved [Summary] section 2014-08-04 08:31:49 +00:00
profile.js [profview] Avoid treating embedded builtins as CPP code. 2018-09-27 12:14:15 +00:00
run_perf.py [tools] Correctly identify and report test crashes and infra failures 2018-10-30 15:05:40 +00:00
run-clang-tidy.py [clang-tidy] Suppress compiler flag 2018-10-26 13:44:19 +00:00
run-llprof.sh Fix tools/run-llprof.sh to work with newer perf. 2014-10-09 06:01:41 +00:00
run-num-fuzzer.py [test] Implement gc fuzzer with test processors 2018-01-19 16:58:49 +00:00
run-perf.sh [tools] run-perf: ensure command line arguments are prepended 2016-10-05 15:15:38 +00:00
run-tests.py TestRunner initial refactor 2017-10-13 08:52:28 +00:00
run-tests.py.vpython [tools] Add vpython config for run-tests.py 2018-06-20 11:27:39 +00:00
run.py First cut at run_mksnapshot action for gn 2014-06-03 06:50:46 +00:00
shell-utils.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
SourceMap.js Add source map support to tick processor. 2013-08-23 17:20:54 +00:00
splaytree.js Remove support for logging into a memory buffer. 2011-07-13 11:31:22 +00:00
stats-viewer.py Fix common misspellings 2017-08-02 09:35:28 +00:00
test262-results-parser.js test262 roll 2018-08-28 21:18:23 +00:00
tick-processor.html [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
tickprocessor-driver.js [d8] pass --no-arguments to omit top-level arguments 2018-10-31 07:42:22 +00:00
tickprocessor.js Delete dead/debug code in (tick|ic|map)processor.js. 2018-08-16 12:31:02 +00:00
trace-maps-processor.py Add FLAG_trace_maps 2014-11-07 16:03:44 +00:00
try_perf.py [tools] Trigger linux32 perf trybot on swarming 2018-11-21 14:07:44 +00:00
turbolizer-perf.py [turbolizer] Fixed naming of turbolizer perf script. 2016-07-28 12:38:00 +00:00
update-object-macros-undef.py Add script to auto-generate object-macros-undef.h 2018-11-22 11:32:36 +00:00
v8_presubmit.py reland: inspector: move injected script source to native 2018-10-31 17:47:58 +00:00
v8heapconst.py Separate DescriptorArray from WeakFixedArray 2018-11-26 16:41:20 +00:00
whitespace.txt [tools] Whitespace CL 2018-11-22 16:05:24 +00:00
windows-tick-processor.bat [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00