0637f5f64c
If we deoptimize from TurboFan or Crankshaft into the body of a for-in loop and that for-in mode then switches to slow mode (i.e. has to call %ForInFilter), we have to record that feedback, because otherwise we might actually OSR into that loop assuming that it's fast mode still, or even worse recompile the function later when we call it again w/o having rerun the for-in loop in fullcodegen from the beginning (where was previously the only place we could learn). R=mstarzinger@chromium.org BUG=v8:3650 LOG=n Review URL: https://codereview.chromium.org/1638303008 Cr-Commit-Position: refs/heads/master@{#33612} |
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benchmarks | ||
build | ||
docs | ||
include | ||
infra | ||
samples | ||
src | ||
test | ||
testing | ||
third_party/binutils | ||
tools | ||
.clang-format | ||
.gitignore | ||
.ycm_extra_conf.py | ||
AUTHORS | ||
BUILD.gn | ||
ChangeLog | ||
codereview.settings | ||
DEPS | ||
LICENSE | ||
LICENSE.strongtalk | ||
LICENSE.v8 | ||
LICENSE.valgrind | ||
Makefile | ||
Makefile.android | ||
Makefile.nacl | ||
OWNERS | ||
PRESUBMIT.py | ||
README.md | ||
snapshot_toolchain.gni | ||
WATCHLISTS |
V8 JavaScript Engine
V8 is Google's open source JavaScript engine.
V8 implements ECMAScript as specified in ECMA-262.
V8 is written in C++ and is used in Google Chrome, the open source browser from Google.
V8 can run standalone, or can be embedded into any C++ application.
V8 Project page: https://github.com/v8/v8/wiki
Getting the Code
Checkout depot tools, and run
fetch v8
This will checkout V8 into the directory v8
and fetch all of its dependencies.
To stay up to date, run
git pull origin
gclient sync
For fetching all branches, add the following into your remote
configuration in .git/config
:
fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
fetch = +refs/tags/*:refs/tags/*
Contributing
Please follow the instructions mentioned on the V8 wiki.