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Mythri A 3e90eee96b [turbofan] Allow polymorphic inlining for Array push / pop / shift 
Array push / pop / shift were inlined if the elements kind of the
receiver maps is the same. This cl extends it by inlining these
builtins even when the receiver maps have different elements kinds.
It still limits it to only fast elements kinds. This is required to
prevent regressions in deltablue when lazy feedback allocation is
enabled. With lazy feedback allocation we may see polymorphic
feedback more often, since we don't have allocation site feedback
till the feedback vectors are allocated.

Bug: v8:9078
Change-Id: Id4a7b84be6305b125913b6ce0fb4f3eb3e3b15ec
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1632239
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61949}
2019-05-31 14:35:08 +00:00
benchmarks Add missing owners files 2019-05-31 07:21:01 +00:00
build_overrides Clean up infra owners 2019-05-15 11:18:43 +00:00
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docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni [tracing] Fix perfetto build on windows 2019-05-28 13:39:00 +00:00
include Add OWNERS files for src and test 2019-05-30 04:51:21 +00:00
infra Revert "Reland "[ptr-compr][x64] Temporarily enable pointer compression on x64"" 2019-05-22 12:51:53 +00:00
samples Add OWNERS file for samples/ 2019-05-14 16:55:03 +00:00
src [turbofan] Allow polymorphic inlining for Array push / pop / shift 2019-05-31 14:35:08 +00:00
test [turbofan] Allow polymorphic inlining for Array push / pop / shift 2019-05-31 14:35:08 +00:00
testing Add missing owners files 2019-05-31 07:21:01 +00:00
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tools [test] Switch off detect_stack_use_after_return on windows asan 2019-05-31 12:27:27 +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
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.gn v8: Stop setting secondary_source. 2019-05-13 16:06:53 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS Improve toString(radix) for doubles near zero 2019-05-29 20:45:02 +00:00
BUILD.gn [roheap] Inform lsan of leaked objects during read-only space set up 2019-05-31 11:14:17 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +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 [OWNERS] Add solanes@ to COMMON_OWNERS 2019-05-22 13:50:51 +00:00
DEPS Update wasm-spec. 2019-05-31 04:38:40 +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.