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Deepti Gandluri f6a05ec845 [wasm-simd] SIMD shifts should use register instead of immediates 
- Add new instruction variants for psllq, psrlq (x64), vshl (ARM)
 - Add instruction selection, code generation for register shifts
 - Remove implicit immediate for shift operators
 - Fix interpreter, tests

Bug:v8:8934, v8:8460

Change-Id: I3481d7ba34a34f7792ff1a61d4a726a1a9abab8d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1722198
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62995}
2019-07-30 19:51:55 +00:00
benchmarks Add missing owners files 2019-05-31 07:21:01 +00:00
build_overrides [build] Dynamically decide if to use system xcode 2019-07-29 08:20:24 +00:00
custom_deps Clean up infra owners 2019-05-15 11:18:43 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni Revert "Add postmortem debugging helper library" 2019-07-24 16:31:54 +00:00
include [WeakRefs] Make cleanup callback run as a task 2019-07-30 12:19:39 +00:00
infra [test] Add bytecode-expectation test 2019-07-22 08:48:36 +00:00
samples [cleanup] Drop some occurrences of Isolate::Current 2019-06-26 19:39:21 +00:00
src [wasm-simd] SIMD shifts should use register instead of immediates 2019-07-30 19:51:55 +00:00
test [wasm-simd] SIMD shifts should use register instead of immediates 2019-07-30 19:51:55 +00:00
testing Add missing owners files 2019-05-31 07:21:01 +00:00
third_party [DevTools] Roll inspector_protocol (V8). 2019-07-03 10:41:47 +00:00
tools [WeakRefs] Make cleanup callback run as a task 2019-07-30 12:19:39 +00:00
.clang-format
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +00:00
.editorconfig
.flake8 Add .flake8 to allow for python style checking. 2019-07-19 21:44:03 +00:00
.git-blame-ignore-revs Add recent code rewrite to .git-blame-ignore-revs 2019-05-23 10:38:45 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore [wasm-c-api] Un-.gitignore third_party/wasm-api/ 2019-06-17 08:52:37 +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
AUTHORS random number generator seeding update for macOS 2019-07-26 11:55:01 +00:00
BUILD.gn [WeakRefs] Make cleanup callback run as a task 2019-07-30 12:19:39 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +00:00
CODE_OF_CONDUCT.md
codereview.settings
COMMON_OWNERS [OWNERS] Add solanes@ to COMMON_OWNERS 2019-05-22 13:50:51 +00:00
DEPS [build] Don't attempt to use hermetic toolchain on iOS 2019-07-30 13:52:11 +00:00
ENG_REVIEW_OWNERS Add eng review owners as escalation path 2019-05-15 19:12:10 +00:00
INFRA_OWNERS Clean up infra owners 2019-05-15 11:18:43 +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
LICENSE.strongtalk
LICENSE.v8
LICENSE.valgrind
MIPS_OWNERS Move architecture dependent files 2019-05-28 14:02:15 +00:00
OWNERS Add .flake8 to allow for python style checking. 2019-07-19 21:44:03 +00:00
PPC_OWNERS Move architecture dependent files 2019-05-28 14:02:15 +00:00
PRESUBMIT.py Reland "Move logging and diagnostics related source files" 2019-05-20 09:54:57 +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 Move remaining files in src/ 2019-05-24 18:24:36 +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.