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weiliang.lin@intel.com 813b071b30 Set the FPU precision control to double-precision. 
The default double precision control of FPU is extended double-precision.
While the number definition for JavaScript is double-precision. We use
the FPU control word to set the doulbe precision and replace the original
solution which store the data to memory and load it again.

This patch also fixes the error that Sunspider 1.0.2 can not run with V8 if
sse2 support is disabled.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/700053003

Patch from Chunyang Dai <chunyang.dai@intel.com>.

Cr-Commit-Position: refs/heads/master@{#25125}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25125 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-11-05 06:21:50 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build Remove deprecated lexer-shell. 2014-10-23 11:42:30 +00:00
include Add debug mirror support for ES6 Map/Set iterators. 2014-11-04 10:02:43 +00:00
samples Reland 24052 - Require V8 to be explicitly initialized before an Isolate is created 2014-09-19 08:01:35 +00:00
src Set the FPU precision control to double-precision. 2014-11-05 06:21:50 +00:00
test [x64] 64-bit shift left by 32 or more covers sign/zero extend. 2014-11-05 05:58:15 +00:00
testing Remove v8stdint.h, it doesn't serve a purpose anymore. 2014-10-21 08:25:14 +00:00
tools Introduce Diamond, a helper for building diamond-shaped control patterns. 2014-11-04 14:37:44 +00:00
.clang-format Change clang-format config to allow for two empty lines between functions 2013-12-03 10:39:21 +00:00
.DEPS.git Add android tools to v8's deps. 2014-08-28 11:09:46 +00:00
.gitignore Make GIT ignore all turbo.cfg files. 2014-10-23 16:11:56 +00:00
AUTHORS Improve String.repeat. 2014-10-17 10:01:38 +00:00
BUILD.gn Introduce Diamond, a helper for building diamond-shaped control patterns. 2014-11-04 14:37:44 +00:00
ChangeLog Sync change log file with trunk. 2014-05-19 15:29:29 +00:00
codereview.settings Add PROJECT to v8 2014-06-23 15:33:19 +00:00
DEPS Add android tools to v8's deps. 2014-08-28 11:09:46 +00:00
LICENSE Update LICENSE date. 2014-02-18 10:50:22 +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 Add turbocheck Makefile target. 2014-10-31 08:39:43 +00:00
Makefile.android Update toolchain for Android mipsel, ia32, x87. 2014-08-19 11:20:42 +00:00
Makefile.nacl Use the pnacl-clang toolchain for (P)NaCL builds 2014-10-06 08:10:50 +00:00
OWNERS Revoke my own OWNERS bit. 2014-10-28 23:47:39 +00:00
PRESUBMIT.py Add a PRESUBMIT check that production code does not call test code 2014-09-23 08:14:06 +00:00
README.md Add README.md file 2014-10-20 11:37:06 +00:00
WATCHLISTS Add myself to a watchlist for the public API. 2013-10-10 11:37:48 +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://code.google.com/p/v8/

Getting the Code

V8 Git repository: https://chromium.googlesource.com/v8/v8.git GitHub mirror: https://github.com/v8/v8-git-mirror

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/*