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zhengxing.li 512d8286c9 X87: [for-in] Sanitize for-in optimizations and fix bailout points. 
port f48bf12f5e (r33426)

  original commit message:
  The PrepareId bailout location was used incorrectly in Crankshaft and,
  as it turns out, is not required anyway (once you do it right). Also
  there was some premature optimization going on with the CheckEnumCache
  (trying to load null from roots only once), plus we can be smarter about
  the null/undefined check anyway.

  The idea behind this changes is to prepare unification of the two
  different ForInPrepare implementations that we now have, with the end
  result being that we only use the new implementation that was recently
  added for the interpreter.

BUG=

Review URL: https://codereview.chromium.org/1611113002

Cr-Commit-Position: refs/heads/master@{#33428}
2016-01-21 10:20:35 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build S390: Makefile + Build Toolchain Updates 2016-01-14 17:17:11 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
include [runtime] remove left-over distinction between AccessorInfo and ExecutableAccessorInfo 2016-01-18 15:09:08 +00:00
infra [cq] Use more next gen trybots. 2016-01-13 14:05:42 +00:00
samples Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
src X87: [for-in] Sanitize for-in optimizations and fix bailout points. 2016-01-21 10:20:35 +00:00
test Add function tables to asm to wasm 2016-01-20 23:37:41 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils Update binutils version. 2015-08-07 08:09:49 +00:00
tools [interpreter] Deprecate the --ignition-fake-try-catch flag. 2016-01-20 11:35:59 +00:00
.clang-format
.gitignore Update DEPS entry for tracing to point at correct location 2015-12-16 12:17:06 +00:00
.ycm_extra_conf.py [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
AUTHORS Add Isolate::DiscardThreadSpecificMetadata method to embedder API. 2015-12-16 15:49:49 +00:00
BUILD.gn [interpreter] Implement exception handler table building. 2016-01-20 10:47:19 +00:00
ChangeLog Update change log to match roll branch. 2015-05-18 15:03:50 +00:00
codereview.settings Use v8-reviews@ for review mail, so v8-dev@ is free for dev discussions 2015-09-09 08:14:11 +00:00
DEPS Update V8 DEPS. 2016-01-21 04:20:45 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +00:00
LICENSE.strongtalk
LICENSE.v8
LICENSE.valgrind
Makefile S390: Makefile + Build Toolchain Updates 2016-01-14 17:17:11 +00:00
Makefile.android Reland [android] Migrate more configs to gyp. 2015-06-26 12:04:09 +00:00
Makefile.nacl Use the pnacl-clang toolchain for (P)NaCL builds 2014-10-06 08:10:50 +00:00
OWNERS Update OWNERS file. 2015-07-16 11:37:51 +00:00
PRESUBMIT.py [cq] Automatically use the same bots for git cl try. 2016-01-14 11:15:16 +00:00
README.md [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
snapshot_toolchain.gni Map arm64 and mips64el -> x64 for mksnapshot 2015-12-16 15:17:37 +00:00
WATCHLISTS [WATCHLISTS] CC v8-$arch-ports automatically on platform-specific CLs 2016-01-19 09:18:41 +00:00

README.md

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.