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Nico Hartmann 1d693043bd Revert "[turbofan] Rematerialize BigInt64 in deopt" 
This reverts commit 80fb281561.

Reason for revert: https://bugs.chromium.org/p/chromium/issues/detail?id=1364400

Original change's description:
> [turbofan] Rematerialize BigInt64 in deopt
>
> This CL introduces two MachineTypes - SignedBigInt64 and UnsignedBigInt64, which are represented as Word64 but will be rematerialized to BigInt in deoptimization. This will avoid unnecessary conversions for BigInt64s when they are passed to StateValues.
>
> Bug: v8:9407
> Change-Id: I65fdee3e028ed8f9920b1c20ff78993c7784de48
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3858238
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
> Commit-Queue: Qifan Pan <panq@google.com>
> Cr-Commit-Position: refs/heads/main@{#83230}

Bug: v8:9407
Change-Id: I77d278ce302621db03b787318641709780348cc8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3901814
Auto-Submit: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#83245}
2022-09-16 07:33:08 +00:00
.github
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gni [mips32] Delete mips32 from v8 2022-09-13 07:54:54 +00:00
include cppgc: Avoid IsMarking() calls in the write-barrier 2022-09-15 22:49:08 +00:00
infra Revert "[heap] Remove MinorMC variant from bots" 2022-09-14 13:23:28 +00:00
samples
src Revert "[turbofan] Rematerialize BigInt64 in deopt" 2022-09-16 07:33:08 +00:00
test Revert "[turbofan] Rematerialize BigInt64 in deopt" 2022-09-16 07:33:08 +00:00
testing
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tools [test] Fix analysis-based numfuzz instances 2022-09-16 07:24:59 +00:00
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.gitignore [cleanup] Add .idea to .gitignore 2022-08-22 19:54:38 +00:00
.gn [fuchsia] Add API target level default value 2022-08-29 14:46:45 +00:00
.mailmap
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.ycm_extra_conf.py
AUTHORS [riscv] Separate single and double precision zero to different registers to avoid misuse. 2022-09-01 08:49:52 +00:00
BUILD.bazel [wasm] Enable --wasm-type-canonicalization, remove old code 2022-09-15 16:22:18 +00:00
BUILD.gn [wasm] Enable --wasm-type-canonicalization, remove old code 2022-09-15 16:22:18 +00:00
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DEPS Update V8 DEPS (trusted) 2022-09-16 03:52:39 +00:00
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LICENSE [mips32] Delete mips32 from v8 2022-09-13 07:54:54 +00:00
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WATCHLISTS Reland "[WATCHLISTS] Add riscv watch" 2022-08-19 07:33:57 +00:00
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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.