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Victor Gomes 721cd23b3d Reland "[maglev] Do not use LoadPolymorphicDoubleField if only Smis" 
This is a reland of commit 193db1b453

Original change's description:
> [maglev] Do not use LoadPolymorphicDoubleField if only Smis
>
> Bug: v8:7700
> Change-Id: I25eceaa6a926c17bdba882145d073afbdf71e091
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4198149
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@chromium.org>
> Commit-Queue: Toon Verwaest <verwaest@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#85516}

Bug: v8:7700
Change-Id: If6c1ed90bb614c95d1718ef87fc6ea06c747706c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4200117
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Auto-Submit: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#85522}
2023-01-27 14:46:09 +00:00
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bazel [turbofan] Add the v8_enable_turbofan build option 2023-01-11 10:57:54 +00:00
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gni [gn] Provide explicit name in component builds 2023-01-26 12:05:07 +00:00
include cppgc: Introduce subtle::UncompressedMember 2023-01-26 23:51:28 +00:00
infra Configure PGO builders 2023-01-27 13:54:32 +00:00
samples
src Reland "[maglev] Do not use LoadPolymorphicDoubleField if only Smis" 2023-01-27 14:46:09 +00:00
test Configure PGO builders 2023-01-27 13:54:32 +00:00
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third_party [reland] adds the ability for v8 to use sin/cos from libm 2022-12-02 21:59:04 +00:00
tools Configure PGO builders 2023-01-27 13:54:32 +00:00
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.git-blame-ignore-revs [git blame] Add a few old refactors to .git-blame-ignore-revs 2023-01-04 15:43:38 +00:00
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.gn [fuchsia] Add API target level default value 2022-08-29 14:46:45 +00:00
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.vpython3 Reland "[resultdb] Add ResultDB indicator" 2022-10-14 11:05:59 +00:00
.ycm_extra_conf.py [ycm] Fix YouCompleteMe config 2022-11-02 15:59:48 +00:00
AUTHORS Revert "[turbofan] Optimize access to the length property of functions" 2023-01-23 08:58:42 +00:00
BUILD.bazel [bazel] Force code-generator to use Python3 2023-01-26 15:24:06 +00:00
BUILD.gn [turboshaft] Build skeleton for EffectControlLinearizer port 2023-01-26 12:37:28 +00:00
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COMMON_OWNERS [owners] Add mliedtke to COMMON_OWNERS 2022-09-16 14:12:27 +00:00
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OWNERS Make .ycm_extra_conf owned by COMMON_OWNERS 2022-11-07 09:51:53 +00:00
PPC_OWNERS PPC/S390: cleanup owner files 2023-01-23 17:07:21 +00:00
PRESUBMIT.py [presubmit] Handle Windows path for header guard check 2022-12-13 17:30:02 +00:00
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WATCHLISTS Add a WATCHLIST entry for trap-handler 2023-01-18 09:00:37 +00:00
WORKSPACE [bazel] Remove zlib dependency 2022-08-17 15:30:25 +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.