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Karl Schimpf 0cdf348c5c [wasm] Remove some WASM conversion magic constants 
This CL removes some magic numbers used to convert floating values into
integer values, and the corresponding comments describing how they were
computed. It replaces these tests with template function is_inbounds()
that makes the compiler automatically generate the appropriate constants
and tests.

Note: This CL only changes the WASM interpreter to use is_inbounds(). Tests
have not yet been updated to guarantee that this change did not break anything.

Note: This change was initialed by a comment by @clemensh in
CL https://chromium-review.googlesource.com/c/v8/v8/+/834670.

Bug: v8:7226
Change-Id: I14c0962eb6ae20cf6647787c006924a208f7ce4a
Reviewed-on: https://chromium-review.googlesource.com/846280
Commit-Queue: Karl Schimpf <kschimpf@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50383}
2018-01-05 15:56:05 +00:00
benchmarks Fix common misspellings 2017-08-02 09:35:28 +00:00
build_overrides Remove build_override for macOS min SDK and deployment target. 2017-07-14 18:24:44 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [gn] Add v8_monolith static library target. 2017-11-27 10:07:51 +00:00
gypfiles [build] Add generic num fuzzer isolates 2017-11-10 14:26:48 +00:00
include [api] remove old deprecated APIs. 2018-01-04 20:48:45 +00:00
infra [test] Enable slow-path variant on a subset of bots 2017-12-21 22:05:09 +00:00
samples [cleanup] use unique_ptr for the DefaultPlatform 2017-11-14 09:57:18 +00:00
src [wasm] Remove some WASM conversion magic constants 2018-01-05 15:56:05 +00:00
test [turbofan] Kill transition-kind source map in load elimination. 2018-01-05 10:53:41 +00:00
testing Use GTEST_LANG_CXX11 in V8 2016-07-25 13:06:42 +00:00
third_party Update third_party/binutils version to match Chromium. 2017-12-08 07:28:26 +00:00
tools [foozzie] Add slow-path correctness fuzzing variants 2018-01-05 12:20:04 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.git-blame-ignore-revs [build] Add DEPS formatting to hyper-blame 2017-10-09 14:08:45 +00:00
.gitignore [test] Remove promises-aplus test suite 2017-12-19 09:29:26 +00:00
.gn For building v8 using gn on aix_ppc64, linux_s390x and linux_ppc64(both LE and BE). 2017-05-12 01:35:09 +00:00
.vpython Add a comment for the VPython dep 2017-10-25 12:23:35 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS Revert "[api] Prefer Descriptor interceptor over Getter in GetPropertyAttributes" 2018-01-04 15:12:20 +00:00
BUILD.gn Add gn flag to control mitigations for untrusted code 2018-01-05 11:05:11 +00:00
ChangeLog [tools] Merge ChangeLog from latest release 2017-12-19 12:30:56 +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
DEPS Update V8 DEPS. 2018-01-05 10:07:31 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +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 [test] Continued test support for make targets 2017-10-20 15:01:51 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
OWNERS Add myself to OWNERS to be able to approve/make infra-related changes 2017-11-09 22:52:19 +00:00
PRESUBMIT.py Replace all tryserver.v8 entries with corresponding LUCI bucket 2017-12-22 14:39:42 +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 MIPS[64]: Generate snapshots on MIPS big-endian targets 2017-11-24 19:00:32 +00:00
WATCHLISTS Add adamk to a few WATCHLISTS 2017-11-10 21:38:29 +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.