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Patrick Thier 4c5ac8e049 [ia32] Save used FP-regs before calling RecordWrite 
xmm0 and xmm1 are used to save/restore values in asm builtins, but they
were not saved before calling RecordWrite, which calls C++ code.
Instead of passing SaveFPRegsMode::kSave to RecordWriteField, which
would save/restore all FP-regs, this CL explicitly saves/restores the
FP-regs we rely on beyond the C-Call.

Bug: chromium:1216295
Change-Id: Ifcc7ce4e8819303ffb79576a88304df2e3a6cc4c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2944427
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Patrick Thier <pthier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74991}
2021-06-07 16:17:19 +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 Make Google benchmark dependency a default 2021-04-21 12:19:40 +00:00
include Add exception metadata handling to V8 inspector 2021-06-02 09:33:58 +00:00
infra Revert "[infra] Switch back to Xenial on some bots" 2021-06-07 13:09:34 +00:00
samples Reland "[api] Add v8::Isolate::ThrowError helper" 2021-04-16 11:48:05 +00:00
src [ia32] Save used FP-regs before calling RecordWrite 2021-06-07 16:17:19 +00:00
test [sparkplug] Fix NumFuzz issues with batch-compilation test 2021-06-07 16:16:14 +00:00
testing build: Remove no-op calls to set_sources_assignment_filter 2020-10-08 14:44:01 +00:00
third_party Manually update google_benchmark 2021-05-27 10:42:13 +00:00
tools [tools][system-analyzer] Switch to SVG rendering + various improvements 2021-06-07 15:44:30 +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 [infra] Force Python 3 to be used in build. 2021-05-11 12:04:34 +00:00
.mailmap Add placeholder .mailmap file 2021-05-26 22:56:59 +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 GCC: make VRegister::from_code() constexpr on aarch64 2021-06-02 16:45:53 +00:00
BUILD.gn Reland^2 "[bigint] Karatsuba multiplication" 2021-06-07 11:01:14 +00:00
CODE_OF_CONDUCT.md
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
COMMON_OWNERS Remove petermarshall from OWNERS 2021-03-31 11:00:22 +00:00
DEPS Update V8 DEPS. 2021-06-07 03:26:53 +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
LICENSE.strongtalk
LICENSE.v8
MIPS_OWNERS [mips] Request to be an owner of MIPS files 2020-11-23 09:43:49 +00:00
OWNERS [WATCHLISTS] Add a watchlist for regexp 2021-05-18 19:00:57 +00:00
PPC_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
PRESUBMIT.py [bigint] Move multiplication to src/bigint/ 2021-04-19 15:40:43 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
RISCV_OWNERS [riscv64] Change one of the owners for RISCV. 2021-04-20 14:39:26 +00:00
S390_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
WATCHLISTS [WATCHLISTS] Add a watchlist for regexp 2021-05-18 19:00:57 +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.