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bmeurer a1b2c275b7 [x64] Match -0 - x with sign bit flip. 
We can use xorps/xorpd on Intel CPUs to flip the sign bit. Ideally we'd
use a RIP-relative 128-bit constant in the code object, as OCaml/GCC
does, however that requires 128-bit alignment for code objects, which is
not yet implemented. So for now we materialize the mask inline.

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/1046893002

Cr-Commit-Position: refs/heads/master@{#27611}
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include Updated version to 4.4 2015-04-06 21:32:13 +00:00
samples shell.cc race condition 2015-02-02 08:08:31 +00:00
src [x64] Match -0 - x with sign bit flip. 2015-04-07 07:35:03 +00:00
test [x64] Match -0 - x with sign bit flip. 2015-04-07 07:35:03 +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://code.google.com/p/v8/

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/*