| commit | 596c292af67c7cc7f0bb7e580703369880c3fca2 | [log] [tgz] |
|---|---|---|
| author | Mythri <mythria@chromium.org> | Mon Feb 11 10:59:57 2019 |
| committer | Commit Bot <commit-bot@chromium.org> | Thu Feb 14 10:38:24 2019 |
| tree | 8b7324d8b8628cf384a35b0a639aab182fa66147 | |
| parent | 3b4cadedee8e45a56771ed861b68a8ac8e5db285 [diff] |
[ic] Update KeyedStoreIC to handle no feedback vector case The megamorphic case in the KeyedStoreIC doesn't use/update any feedback. We could use this path to fast path some of the keyed stores instead of misssing to the runtime when the feedback vector is not available. This cl, moves the check for feedback vector from the bytecode handler to the KeyedStoreIC and calls the KeyedStoreIC_Megamorphic builtin when there is no valid feedback vector. This will help improve the performance of no feedback/jitless case. Bug: v8:8293 Change-Id: I71c128b355d47ac20e50fc836f4bc2cf0aab1154 Reviewed-on: https://chromium-review.googlesource.com/c/1460946 Commit-Queue: Mythri Alle <mythria@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Cr-Commit-Position: refs/heads/master@{#59590}
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://github.com/v8/v8/wiki
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
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fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
fetch = +refs/tags/*:refs/tags/*
Please follow the instructions mentioned on the V8 wiki.