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Zhi An Ng 2808167b6f Revert "[wasm-simd][x64][ia32] Do not overwrite input register" 
This reverts commit 7d955faa76.

Reason for revert: Bad change, modified wrong test file https://ci.chromium.org/p/v8/builders/ci/V8%20Linux/36416

Original change's description:
> [wasm-simd][x64][ia32] Do not overwrite input register
> 
> We are ovewriting input register (contains the shift) when we are
> masking it, instead, move to a temporary,then mask it.
> 
> Bug: chromium:1065599
> Change-Id: Iab72b94581239447e444746681387350b576e24a
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2125941
> Commit-Queue: Zhi An Ng <zhin@chromium.org>
> Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#66997}

TBR=gdeepti@chromium.org,zhin@chromium.org

Change-Id: I50c57906d6eb49758584b477c971179ea3c6e5d3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:1065599
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2134655
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67000}
2020-04-03 19:23:31 +00:00
build_overrides Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
custom_deps Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni [build] Disable -ftrivial-auto-var-init in Release mode 2020-03-09 12:03:17 +00:00
include [turbofan] Fixes for integrating the fast C API 2020-04-03 15:40:25 +00:00
infra Update builders config for previous branch coverage 2020-03-18 14:15:44 +00:00
samples [api] Create v8::String::NewFromLiteral that returns Local<String> 2020-03-09 12:02:07 +00:00
src Revert "[wasm-simd][x64][ia32] Do not overwrite input register" 2020-04-03 19:23:31 +00:00
test Revert "[wasm-simd][x64][ia32] Do not overwrite input register" 2020-04-03 19:23:31 +00:00
testing Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
third_party [DevTools] Roll inspector_protocol (V8) 2020-03-21 01:38:12 +00:00
tools [tools] Harden and speed up map-processor 2020-04-01 10:34:04 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.flake8 Add .flake8 to allow for python style checking. 2019-07-19 21:44:03 +00:00
.git-blame-ignore-revs [infra] Update .git-blame-ignore-revs 2020-03-03 12:59:13 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore [git] Ignore jit-*.dump files 2020-01-07 12:14:15 +00:00
.gn [build] Dynamically decide if to use system xcode 2019-07-29 08:20:24 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py Fix ycm config for headers without source 2019-12-09 11:59:21 +00:00
AUTHORS fix: failing ThreadTicks DCHECK on Windows on Arm 2020-04-01 10:15:24 +00:00
BUILD.gn cppgc: Conservative stack for ia32 Windows using clang 2020-04-03 06:48:03 +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 Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
COMMON_OWNERS [common owners] added victorgomes@ 2020-02-28 10:50:17 +00:00
DEPS Roll test262 2020-04-02 18:34:16 +00:00
ENG_REVIEW_OWNERS Add eng review owners as escalation path 2019-05-15 19:12:10 +00:00
INFRA_OWNERS Remove myself from owners 2019-12-12 14:22:32 +00:00
INTL_OWNERS Add missing owners files 2019-05-31 07:21:01 +00:00
LICENSE [wasm] Draft version of C/C++ Wasm API 2019-04-17 16:00:26 +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
MIPS_OWNERS Move architecture dependent files 2019-05-28 14:02:15 +00:00
OWNERS Add syg@chromium.org as DEPS owner for test262 rolls 2019-09-17 19:29:11 +00:00
PPC_OWNERS Move architecture dependent files 2019-05-28 14:02:15 +00:00
PRESUBMIT.py Remove the #undef check from the Presubmit for .cc files 2020-01-24 15:24:51 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
S390_OWNERS Move architecture dependent files 2019-05-28 14:02:15 +00:00
WATCHLISTS Remove myself from WATCHLISTS 2020-01-18 00:34:32 +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://v8.dev/docs

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 at v8.dev/docs/contribute.