AuroraMiddleware/v8
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bmeurer 0231a7efa2 [turbofan] Introduce TruncateTaggedToWord32 simplified operator. 
This allows us to get rid of the "push TruncateFloat64ToInt32 into Phi"
trick that was used in the MachineOperatorReducer to combine the
ChangeTaggedToFloat64 and TruncateFloat64ToInt32 operations. Instead of
doing that later, we can just introduce the proper operator during the
representation selection directly.

Also separate the TruncateFloat64ToInt32 machine operator, which had two
different meanings depending on a flag (either JavaScript truncation or
C++ style round to zero). Now there's a TruncateFloat64ToWord32 which
represents the JavaScript truncation (implemented via TruncateDoubleToI
macro + code stub) and the RoundFloat64ToInt32, which implements the C++
round towards zero operation (in the same style as the other WebAssembly
driven Round* machine operators).

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/1919513002

Cr-Commit-Position: refs/heads/master@{#35743}
2016-04-24 11:41:20 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build 32-bit linux: Force 16-byte stack alignment. 2016-04-20 14:29:57 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
include Remove isolate arg from EmbedderHeapTracer methods. 2016-04-19 12:55:01 +00:00
infra [CQ] Activate remaining next-gen trybots. 2016-04-12 09:32:11 +00:00
samples Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
src [turbofan] Introduce TruncateTaggedToWord32 simplified operator. 2016-04-24 11:41:20 +00:00
test [turbofan] Introduce TruncateTaggedToWord32 simplified operator. 2016-04-24 11:41:20 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils Update binutils version. 2015-08-07 08:09:49 +00:00
tools [test] Print how test runner is called on swarming. 2016-04-22 10:28:05 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore Add tags file to gitignore 2016-04-06 09:59:02 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS Fix testing of the VEX.L (128/256-bit) flag in the x64 disassembler 2016-04-15 06:24:29 +00:00
BUILD.gn Revert of [GN] Define USE_EABI_HARDFLOAT=1 when arm_float_abi=="hard". (patchset #1 id:1 of https://codereview.chromium.org/1839763003/ ) 2016-04-22 11:19:49 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +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 Use v8-reviews@ for review mail, so v8-dev@ is free for dev discussions 2015-09-09 08:14:11 +00:00
DEPS Update V8 DEPS. 2016-04-21 09:12:12 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
Makefile Fix android_arm build hosted on Mac 2016-04-13 23:13:35 +00:00
Makefile.android Fix android_arm build hosted on Mac 2016-04-13 23:13:35 +00:00
Makefile.nacl Use the pnacl-clang toolchain for (P)NaCL builds 2014-10-06 08:10:50 +00:00
OWNERS [owners] adding more toplevel owners (but mainly me) 2016-03-16 15:54:42 +00:00
PRESUBMIT.py [cq] Automatically use the same bots for git cl try. 2016-01-14 11:15:16 +00:00
README.md [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
snapshot_toolchain.gni Revert of Use GCC for snapshot_toolchain when is_clang=false. (patchset #1 id:1 of https://codereview.chromium.org/1809643003/ ) 2016-04-11 08:30:22 +00:00
WATCHLISTS [Interpreter] Make InterpreterAssembler a subclass of CodeStubAssembler. 2016-02-10 16:39:32 +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://github.com/v8/v8/wiki

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 on the V8 wiki.