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zhengxing.li 35e0f01fb9 X87: Revert of [turbofan] Take the immediate size in account when narrowing ia32/x64 word comparison operators. (patchset #1 id:1 of https://codereview.chromium.org/1968453002/ ). 
port 767c34dfae (r36413)

  original commit message:
  Reason for revert:
  Breaks a KCS demo:

  BUG=chromium:611976

  Original issue's description:
  > [turbofan] Take the immediate size in account when narrowing ia32/x64 word comparison operators.
  >
  > Trying to re-land http://crrev.com/1948453002 after fixing assembler-x64.cc in http://crrev.com/1962563003.
  >
  > Before this patch, we would emit a cmp or test with a memory operand only if both of the operands in the IR were loads. Now if either of them is a load and the other one is an immediate, we can use
  >
  > Committed: https://crrev.com/2da70f853d7f680d491c37c72d5ef04a85497ba9
  > Cr-Commit-Position: refs/heads/master@{#36136}

Review-Url: https://codereview.chromium.org/2003273002
Cr-Commit-Position: refs/heads/master@{#36456}
2016-05-24 04:18:58 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build_overrides Do not define use_icu_data_file_flag. 2016-05-19 15:50:32 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gypfiles Reland of move v8_toolset_for_d8 flag (patchset #2 id:80001 of https://codereview.chromium.org/1974773002/ ) 2016-05-13 16:13:12 +00:00
include [heap] Fine-grained JSArrayBuffer tracking 2016-05-23 11:21:49 +00:00
infra [CQ] Raise blink trybot percentage to 100 2016-04-29 09:05:06 +00:00
samples Rename shell to v8_shell 2016-05-10 12:32:25 +00:00
src X87: Revert of [turbofan] Take the immediate size in account when narrowing ia32/x64 word comparison operators. (patchset #1 id:1 of https://codereview.chromium.org/1968453002/ ). 2016-05-24 04:18:58 +00:00
test Mark regexp regression test as failing on noi18n 2016-05-23 23:25:59 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
tools tools: Fix a syntax error in plot-timer-events 2016-05-23 10:19:47 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore Add v8.ignition_dispatches_table.json to .gitignore 2016-05-03 18:12:11 +00:00
.gn Add posix/BUILD.gn to exec_script_whitelist 2016-05-18 15:02:12 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS tools: Fix a syntax error in plot-timer-events 2016-05-23 10:19:47 +00:00
BUILD.gn [heap] Fine-grained JSArrayBuffer tracking 2016-05-23 11:21:49 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +00:00
CODE_OF_CONDUCT.md Explicitly state that the Chromium Code of Conduct also applies to V8 2016-03-02 09:51:24 +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. 2016-05-24 03:34:42 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
Makefile [build] Fix Makefile based (native) build. 2016-05-23 09:16:24 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
Makefile.nacl [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
OWNERS [owners] adding more toplevel owners (but mainly me) 2016-03-16 15:54:42 +00:00
PRESUBMIT.py Remove LOG line checking from presubmit 2016-05-10 17:21:56 +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 Try to reland v8_snapshot GN build changes, take #3 2016-05-20 07:00:09 +00:00
WATCHLISTS [GN] Watchlist upadate to track gyp changes. 2016-05-17 08:14:26 +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.