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Milad Fa 20a44ed447 Reland "PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline." 
This reverts commit d8c6b2ec39.

Reason for revert: original cl has relanded

Original change's description:
> Revert "PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline."
>
> This reverts commit 94272ea54a.
>
> Reason for revert: original port was reverted
>
> Original change's description:
> > PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline.
> >
> > Port bdcd7d79d3
> >
> > Original Commit Message:
> >
> >     If we have baseline code, deoptimize to baseline instead of the
> >     interpreter. The process is similar to deopting to the interpreter.
> >     We just use different builtins
> >     (BaselineEnterAtBytecode/BaselineEnterAtNextBytecode) instead of
> >     InterpreterEnterBytecodeDispatch/InterpreterEnterBytecodeAdvance, that
> >     patch an interpreter frame to a baseline frame and continue execution in
> >     baseline code (based on the deopt type, at the current or next
> >     bytecode).
> >
> > R=​pthier@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
> > BUG=
> > LOG=N
> >
> > Change-Id: I3230f3f3c6506230b2751a3389f10b022dec61a3
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783022
> > Reviewed-by: Junliang Yan <junyan@redhat.com>
> > Commit-Queue: Milad Fa <mfarazma@redhat.com>
> > Cr-Commit-Position: refs/heads/master@{#73618}
>
> Change-Id: I903ad90099c4dc5f153d28aea9246933ac69972b
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784002
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Commit-Queue: Milad Fa <mfarazma@redhat.com>
> Cr-Commit-Position: refs/heads/master@{#73630}

Change-Id: I7746f42472ae63e49770f491ae6b8ef7b596cfce
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785380
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73661}
2021-03-25 13:13:53 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
build_overrides [build] Remove obsolete gn flag 2021-01-11 15:50:59 +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] Support Linux-arm64 builds hosts 2021-03-10 17:06:06 +00:00
include [api] Add callback to set up conditional features 2021-03-23 09:03:34 +00:00
infra [test] Add configs for mac-arm64 debug builders 2021-03-22 16:30:15 +00:00
samples cppgc: Avoid initializing cppgc platform through V8 2021-02-09 08:26:11 +00:00
src Reland "PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline." 2021-03-25 13:13:53 +00:00
test Revert "[api] Assign serial numbers when template infos are added to cache" 2021-03-25 12:15:07 +00:00
testing build: Remove no-op calls to set_sources_assignment_filter 2020-10-08 14:44:01 +00:00
third_party [language] Fix Array.prototype.sort 2021-03-24 11:20:58 +00:00
tools [bash-completion] Support some gm.py completion 2021-03-24 16:24:25 +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 [build] Remove legacy binutils 2021-01-08 12:33:31 +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 for Proxy leaking in toString 2021-03-24 10:55:32 +00:00
BUILD.gn Revert "[sparkplug] Enable short builtin calls by default" 2021-03-25 09:27:17 +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 Update COMMON_OWNERS. 2021-02-25 14:17:01 +00:00
DEPS Update V8 DEPS. 2021-03-25 04:36:31 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
ENG_REVIEW_OWNERS Update ENG_REVIEW_OWNERS 2021-02-25 14:28:32 +00:00
INFRA_OWNERS Add team members as owners 2020-08-18 08:29:04 +00:00
INTL_OWNERS add ftang as owner 2020-04-24 19:19:36 +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
MIPS_OWNERS [mips] Request to be an owner of MIPS files 2020-11-23 09:43:49 +00:00
OWNERS Add RISC-V backend 2021-02-09 17:06:36 +00:00
PPC_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
PRESUBMIT.py cppgc: Add testing API structure 2021-02-03 16:00:37 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
RISCV_OWNERS Add RISC-V backend 2021-02-09 17:06:36 +00:00
S390_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
WATCHLISTS Add a watchlist for ieee754.(cc|h) changes. 2021-01-11 18:10:19 +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.