Go to file
epertoso b79d7b0486 [x64] Zero/sign-extend loads to 64-bit registers.
Before this change we would first load an 8/16/32-bit value from memory into a 32-bit register, then zero/sign-extend from that register to a 64-bit one. Now we replace that pattern with a single movsx/movzx.

Ported from http://crrev.com/2183923003

R=bmeurer@chromium.org

Committed: https://crrev.com/4abecb7a27bd5fa073d0ff5fadb0c2bb248ef9f4
Review-Url: https://codereview.chromium.org/2220483003
Cr-Original-Commit-Position: refs/heads/master@{#38388}
Cr-Commit-Position: refs/heads/master@{#38428}
2016-08-08 10:00:45 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build_overrides [gn] Switch off java targets for v8 standalone 2016-07-26 14:15:31 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [swarming] Remove hard-coded shared library configs 2016-07-28 07:18:15 +00:00
gypfiles [inspector] suppress build warnings on windows/clang 2016-08-04 15:43:13 +00:00
include Mark Local::As and Persistent::As as const 2016-08-05 13:00:24 +00:00
infra [gn] Switch tsan to gn 2016-08-05 11:55:23 +00:00
samples Provide a convenience array buffer allocator 2016-06-29 07:42:40 +00:00
src [x64] Zero/sign-extend loads to 64-bit registers. 2016-08-08 10:00:45 +00:00
test [x64] Zero/sign-extend loads to 64-bit registers. 2016-08-08 10:00:45 +00:00
testing Use GTEST_LANG_CXX11 in V8 2016-07-25 13:06:42 +00:00
third_party/binutils Update binutils version to match Chromium. 2016-07-08 07:03:29 +00:00
tools [test] Remove deprecated test-runner flag 2016-08-08 09:37:50 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore Reland [inspector] add inspector protocol parser test build target. 2016-08-01 05:42:37 +00:00
.gn Remove NaCl support. 2016-07-27 07:50:31 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS Updating the code example in FunctionTemplate class documentation 2016-07-14 06:34:26 +00:00
BUILD.gn Move ErrorToString to runtime 2016-08-03 13:53:43 +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. 2016-08-08 03:30:22 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +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 Remove NaCl support. 2016-07-27 07:50:31 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
OWNERS Adding some wasm committers to top level OWNERS. 2016-06-28 16:28:06 +00:00
PRESUBMIT.py Enable check for non-gender neutral pronouns 2016-06-23 07:15:18 +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 Attempt #4 to land "Fix double-building of v8 in GN builds." 2016-07-25 09:30:17 +00:00
WATCHLISTS Remove myself from v8 WATCHLISTS 2016-07-04 14:45:04 +00:00

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.