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Patrick Thier 6612943010 [regexp] Bytecode peephole optimization 
Bytecodes used by the regular expression interpreter often occur in
specific sequences. The number of dispatches in the interpreter can be
reduced if those sequences are combined into a single bytecode.

This CL adds a peephole optimization pass for regexp bytecodes.
This pass checks the generated bytecode for pre-defined sequences that
can be merged into a single bytecode.

With the currently implemented bytecode sequences a speedup of 1.12x on
regex-dna and octane-regexp is achieved.

Bug: v8:9330
Change-Id: I827f93273a5848e5963c7e3329daeb898995d151
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1813743
Commit-Queue: Patrick Thier <pthier@google.com>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63992}
2019-09-26 14:57:37 +00:00
..
blink_tests [test] Remove obsolete blink test skips 2019-01-18 12:30:23 +00:00
cfi Reland "Move API-related files" 2019-05-17 12:52:27 +00:00
clusterfuzz [foozzie] Enable wasm staging on correctness fuzzer 2019-09-02 13:41:34 +00:00
debug_helper [tools] Use instance types of known Maps in v8_debug_helper 2019-09-20 16:00:59 +00:00
dev [test][cleanup] Revive --time, speed up some tests 2019-09-16 11:24:11 +00:00
gcmole [gcmole] Propagate errors during test run 2019-09-09 11:33:52 +00:00
generate_shim_headers Add dependency to ICU 4.6 2013-07-01 08:32:41 +00:00
heap-stats [object] Remove MutableHeapNumber 2019-08-20 19:04:04 +00:00
ignition Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
jsfunfuzz [test] update the jsfunfuzz archive in Google Storage 2018-12-18 15:00:35 +00:00
link_clicker.extension [tools] Add link_click chrome extension 2017-05-09 15:25:21 +00:00
mb Add json output arg to mg gen and analyze. 2019-07-22 19:33:20 +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 Remove android_tools deps for v8 repo 2019-07-03 17:59:11 +00:00
perf [tools] Refactor patch/no-patch terminology in run_perf.py 2017-11-22 07:19:50 +00:00
profview [profview] Use requestAnimationFrame to schedule a render 2019-01-15 13:08:46 +00:00
profviz [Tools] Add support to tickprocessor to symbolize libraries embedded in APKs 2019-05-28 16:18:47 +00:00
release [tools] Remove cctest from non-ref official archives 2019-04-12 09:17:52 +00:00
sanitizers Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
snapshot [Builtins] Infrastructure for source positions in stubs/builtins 2019-01-22 19:09:36 +00:00
sodium Add tool to visualize machine code/lithium. 2013-10-21 13:35:48 +00:00
testrunner [d8] Terminate execution instead of omitting quit in d8 asan 2019-09-20 16:38:19 +00:00
toolchain [build] Add support for the other MIPS architectures 2018-03-19 10:43:07 +00:00
torque Reland "[torque] introduce JSAny type for user-accessible JavaScript values" 2019-08-26 13:25:12 +00:00
tracing/proto-converter [tracing] Add the proto to json converter for trace events 2019-03-25 08:56:18 +00:00
turbolizer [turbolizer] Highlight gap instructions in the disassembly view 2019-08-23 15:24:51 +00:00
ubsan [ubsan] Make ARM and ARM64 UBSan-clean 2019-09-16 15:03:45 +00:00
unittests Check that function was prepared before optimizing using manually 2019-07-11 14:57:49 +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 [vim] Update CrBuild to use autoninja. 2019-05-27 06:27:29 +00:00
visual_studio Remove the Visual Studio project files 2011-05-02 13:43:13 +00:00
wasm Reland [wasm] Stage wasm-bigint 2019-09-05 12:02:19 +00:00
wasm-compilation-hints Rename clemensh to clemensb in OWNERS 2019-09-26 08:44:44 +00:00
__init__.py [test] make python recognize tools and tools/unittests as packages 2018-12-17 12:12:43 +00:00
adb-d8.py Migrate android SDK path to third_party/android_sdk/public for v8 repo 2019-03-21 12:43:39 +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 Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +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 Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
bash-completion.sh Move remaining files in src/ 2019-05-24 18:24:36 +00:00
bigint-tester.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
BUILD.gn Reland "Add postmortem debugging helper library" 2019-07-31 14:30:19 +00:00
callstats.html [tools] Clean up HTML for tools 2019-01-06 14:20:33 +00:00
callstats.py [browser-stories] refactor reading logs 2019-07-17 13:42:32 +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 [logging] Systematically emit CodeCreateEvents for builtins 2019-05-23 11:55:36 +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 Revert "[prof] Attribute ticks in embedded builtins correctly" 2019-05-27 10:11:14 +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 Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +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
deprecation_stats.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +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 Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
dumpcpp-driver.js [Tools] Add support to tickprocessor to symbolize libraries embedded in APKs 2019-05-28 16:18:47 +00:00
dumpcpp.js [log] Improve log parsing 2018-06-20 13:40:22 +00:00
eval_gc_nvp.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
eval_gc_time.sh [in-place weak refs] Remove WeakCell 2018-08-14 08:05:05 +00:00
find_depot_tools.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
find-commit-for-patch.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +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 Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
gc-nvp-trace-processor.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
gdb-v8-support.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
gdbinit [gdb] Add gdb macro 'pn' that prints TurboFan nodes 2019-06-27 13:29:08 +00:00
gen-inlining-tests.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
gen-keywords-gen-h.py [parser] Remove #line directives from keywords-gen.h 2018-11-28 15:22:05 +00:00
gen-postmortem-metadata.py [build] update gen-postmortem-metadata for Python 3 2019-08-14 12:53:01 +00:00
generate-builtins-tests.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
generate-header-include-checks.py Change all TODOs from clemensh to clemensb 2019-09-26 10:25:27 +00:00
generate-ten-powers.scm Fast double-to-ascii conversion. 2010-03-11 14:49:35 +00:00
get_landmines.py [landmines] Force clean build to fix Misc V8 Linux gcc 2019-06-06 21:52:11 +00:00
grokdump.py [grokdump] Fix outdated arm64 identifier value 2019-06-07 08:30:56 +00:00
ic-explorer.html [tools] Clean up HTML for tools 2019-01-06 14:20:33 +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 [tools] Make ic-processor print global loads/stores. 2019-01-18 12:35:43 +00:00
js2c.py [snapshot] Allow an empty v8_extra_library_files 2019-09-18 12:49:19 +00:00
linux-tick-processor [tools] Make tick processor report error to stderr. 2018-11-06 14:25:55 +00:00
ll_prof.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
lldb_commands.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
locs.py [tools] Use ThreadPoolExecutor with reasonable job count default 2019-04-08 10:41:46 +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] Clean up HTML for tools 2019-01-06 14:20:33 +00:00
map-processor.js [tools] Add file positions to map-explorer 2018-11-29 11:42:25 +00:00
objdump-v8 [disasm] Make jump target printing perf friendly 2017-03-20 14:47:04 +00:00
OWNERS Use relative paths to OWNERS files 2019-08-12 13:52:52 +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] Clean up HTML for tools 2019-01-06 14:20:33 +00:00
parse-processor.js [tools] Improve function event logging and parse processor 2018-07-16 14:05:14 +00:00
perf-compare.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
plot-timer-events tick processor: fix arguments and comments 2018-10-29 09:48:23 +00:00
predictable_wrapper.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
PRESUBMIT.py [tools] Clean up presubmit and run all unittests 2019-02-01 10:27:29 +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
regexp-sequences.py [regexp] Bytecode peephole optimization 2019-09-26 14:57:37 +00:00
run_perf.py [perf] mask timeout failures if they succeed after retries 2019-07-16 09:38:40 +00:00
run-clang-tidy.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +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 [cleanup] Replace underscore by minus in d8 flags 2019-04-03 12:32:08 +00:00
run-tests.py TestRunner initial refactor 2017-10-13 08:52:28 +00:00
run-wasm-api-tests.py [wasm-c-api] Roll 7865f7d: Expose possible traps during Instance::make 2019-08-23 09:46:29 +00:00
run.py First cut at run_mksnapshot action for gn 2014-06-03 06:50:46 +00:00
shell-utils.h Move remaining files in src/ 2019-05-24 18:24:36 +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 Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
test262-results-parser.js test262 roll 2018-08-28 21:18:23 +00:00
tick-processor.html [Tools] Add support to tickprocessor to symbolize libraries embedded in APKs 2019-05-28 16:18:47 +00:00
tickprocessor-driver.js [Tools] Add support to tickprocessor to symbolize libraries embedded in APKs 2019-05-28 16:18:47 +00:00
tickprocessor.js [tools] Strip path from library when applying targetRootFS in tickprocessor 2019-06-28 15:07:24 +00:00
trace-maps-processor.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
try_perf.py [tools] Add support for --confidence-level flag to tools/try_perf.py 2019-06-14 12:33:49 +00:00
turbolizer-perf.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
update-object-macros-undef.py Preparing v8 to use with python3 /tools 2019-02-19 09:12:07 +00:00
v8_presubmit.py Enable cpplint 'runtime/references' warning 2019-07-08 09:59:36 +00:00
v8heapconst.py [Intl] Implement ECMA402 PR 349 and 351 2019-09-25 19:53:48 +00:00
whitespace.txt Whitespace change to test bots 2019-09-11 07:42:25 +00:00
windbg.js [tools] Add !rs command to print remembered sets. 2019-09-20 16:33:09 +00:00
windows-tick-processor.bat [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00