commit | 69747e2658f1de973ba75c60fe31b402bd6031a5 | [log] [tgz] |
---|---|---|
author | bmeurer <bmeurer@chromium.org> | Thu Jan 26 09:29:56 2017 |
committer | Commit bot <commit-bot@chromium.org> | Thu Jan 26 09:29:56 2017 |
tree | 898eb62c1124b6218ca72e297c0df7c553d98101 | |
parent | 7376e12e00b89d7ba476addeb05058147f8dd91d [diff] |
[turbofan] Introduce JSCallForwardVarargs operator. We turn a JSCallFunction node for f.apply(receiver, arguments) into a JSCallForwardVarargs node, when the arguments refers to the arguments of the outermost optimized code object, i.e. not an inlined arguments, and the apply method refers to Function.prototype.apply, and there's no other user of arguments except in frame states. We also replace the arguments node in the graph with a marker for the Deoptimizer similar to Crankshaft to make sure we don't materialize unused arguments just for the sake of deoptimization. We plan to replace this with a saner EscapeAnalysis based solution soon. R=jarin@chromium.org BUG=v8:5267,v8:5726 Review-Url: https://codereview.chromium.org/2655233002 Cr-Commit-Position: refs/heads/master@{#42680}
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
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/*
Please follow the instructions mentioned on the V8 wiki.