platform/upstream/v8.git
13 years agoImplement ARM lithium support for ObjectLiteral.
danno@chromium.org [Wed, 5 Jan 2011 09:04:06 +0000 (09:04 +0000)]
Implement ARM lithium support for ObjectLiteral.
Review URL: http://codereview.chromium.org/6099006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6166 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoImplement Lithium ARM support for ArrayLiteral.
danno@chromium.org [Tue, 4 Jan 2011 14:48:25 +0000 (14:48 +0000)]
Implement Lithium ARM support for ArrayLiteral.

TBR=kasperl@chromium.org
Review URL: http://codereview.chromium.org/5988008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix presumbit error
sgjesse@chromium.org [Tue, 4 Jan 2011 14:35:34 +0000 (14:35 +0000)]
Fix presumbit error

TBR=karlklose@chromium.org
Review URL: http://codereview.chromium.org/6046012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6164 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoRemove unused policy from register allocator.
fschneider@chromium.org [Tue, 4 Jan 2011 14:35:01 +0000 (14:35 +0000)]
Remove unused policy from register allocator.

DefineSameAsAny is never used and currently does exactly the
same as DefineSameAsFirst.

Review URL: http://codereview.chromium.org/6025014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6163 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoSet a fixed scratch register for ARM code generation
sgjesse@chromium.org [Tue, 4 Jan 2011 14:32:54 +0000 (14:32 +0000)]
Set a fixed scratch register for ARM code generation

r9 is now set as a fixed scratch register for ARM code generation. removed some unneeded allocation of temporary registers and use the scratch register instead.
Review URL: http://codereview.chromium.org/5976014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6162 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAllow getters and setters on JSArray elements.
ricow@chromium.org [Tue, 4 Jan 2011 13:59:34 +0000 (13:59 +0000)]
Allow getters and setters on JSArray elements.

This fixes bug 900

Review URL: http://codereview.chromium.org/5959009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6158 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix the Mac OS debug build
sgjesse@chromium.org [Tue, 4 Jan 2011 13:23:33 +0000 (13:23 +0000)]
Fix the Mac OS debug build
Review URL: http://codereview.chromium.org/6046010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6157 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix tab in javascript file.
lrn@chromium.org [Tue, 4 Jan 2011 13:14:39 +0000 (13:14 +0000)]
Fix tab in javascript file.

Review URL: http://codereview.chromium.org/6004009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6156 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFirst part of lithium ARM port.
karlklose@chromium.org [Tue, 4 Jan 2011 13:02:51 +0000 (13:02 +0000)]
First part of lithium ARM port.

Implement LoadNamedField, CallConstantFunction, CmpMapAndBranch, JSArrayLength, BoundsCheck, IsNull, CallFunction, and CallStub in the ARM lithium codegenerator.

BUG=
TEST=

Review URL: http://codereview.chromium.org/6069010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6155 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoDon't let JSON parsed objects hit inherited setters.
lrn@chromium.org [Tue, 4 Jan 2011 12:19:55 +0000 (12:19 +0000)]
Don't let JSON parsed objects hit inherited setters.

Review URL: http://codereview.chromium.org/6101001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6154 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdd use_system_v8 option to gyp (off by default),
sgjesse@chromium.org [Tue, 4 Jan 2011 12:14:10 +0000 (12:14 +0000)]
Add use_system_v8 option to gyp (off by default),
as discussed in http://groups.google.com/group/v8-users/browse_thread/thread/33a69c51d8023ced

This will make it easier for Linux distributions
to ship with system-provided V8 library.

Patch by Pawel Hajdan, Jr. <phajdan.jr@chromium.org>

Review URL: http://codereview.chromium.org/6092006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6153 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix Windows compilation
sgjesse@chromium.org [Tue, 4 Jan 2011 12:11:01 +0000 (12:11 +0000)]
Fix Windows compilation

Use strncpy_s instaad of strncpy to avoid warning.
Review URL: http://codereview.chromium.org/6056006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6151 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix compile-problem in (currently) unused stand-alone preparser function.
lrn@chromium.org [Tue, 4 Jan 2011 12:07:16 +0000 (12:07 +0000)]
Fix compile-problem in (currently) unused stand-alone preparser function.
Allow object initializers to define getters using string and number literals.

Review URL: http://codereview.chromium.org/5985010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6150 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdd constraints verification to LAllocator::MarkAsCall().
vegorov@chromium.org [Tue, 4 Jan 2011 11:36:20 +0000 (11:36 +0000)]
Add constraints verification to LAllocator::MarkAsCall().

Review URL: http://codereview.chromium.org/6069012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6149 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix presubmit error
sgjesse@chromium.org [Tue, 4 Jan 2011 11:28:17 +0000 (11:28 +0000)]
Fix presubmit error

TBR=ricow@chromium.org
Review URL: http://codereview.chromium.org/6093006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix bug that happens when the first non-ASCII character of a literal is at a power...
lrn@chromium.org [Tue, 4 Jan 2011 11:25:59 +0000 (11:25 +0000)]
Fix bug that happens when the first non-ASCII character of a literal is at a power-of-two position.

Review URL: http://codereview.chromium.org/6044009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6147 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAddresses some performance regression in the GenericBinaryOpStub on ARM following...
sgjesse@chromium.org [Tue, 4 Jan 2011 11:02:58 +0000 (11:02 +0000)]
Addresses some performance regression in the GenericBinaryOpStub on ARM following Crankshaft introduction.

BUG=none
TEST=none

Patch by Rodolph Perfetta from ARM Ltd.

Review URL: http://codereview.chromium.org/5781010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6146 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAvoid using std::string in Max OS platform file.
sgjesse@chromium.org [Tue, 4 Jan 2011 11:02:39 +0000 (11:02 +0000)]
Avoid using std::string in Max OS platform file.
Review URL: http://codereview.chromium.org/6001012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6145 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix presubmit error
sgjesse@chromium.org [Tue, 4 Jan 2011 10:25:06 +0000 (10:25 +0000)]
Fix presubmit error

TBR=whesse@chromium.org
Review URL: http://codereview.chromium.org/6008010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6144 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoCleanup of x64 code. Rearrange functions in ic-x64.cc to match order in ic-ia32...
whesse@chromium.org [Tue, 4 Jan 2011 09:50:35 +0000 (09:50 +0000)]
Cleanup of x64 code.  Rearrange functions in ic-x64.cc to match order in ic-ia32.cc.  Remove unused declarations, and move a constant to assembler-x64.h.
Review URL: http://codereview.chromium.org/6020012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6143 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoExport external array data accessors.
ager@chromium.org [Tue, 4 Jan 2011 09:27:46 +0000 (09:27 +0000)]
Export external array data accessors.

BUG=v8:1016
Review URL: http://codereview.chromium.org/6013011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6142 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdded labelled thread names to help with some debugging activity. Right now,
sgjesse@chromium.org [Tue, 4 Jan 2011 09:09:50 +0000 (09:09 +0000)]
Added labelled thread names to help with some debugging activity. Right now,
the only platform that it works on is linux (using the prctl API to set the
names of the threads). Other platforms are setup to build properly if the
flag is set, but their thread names are not currently set.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/6070009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6141 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoReorder the functions in stub-cache-x64.cc, so they are in the same order as in stub...
whesse@chromium.org [Tue, 4 Jan 2011 09:02:53 +0000 (09:02 +0000)]
Reorder the functions in stub-cache-x64.cc, so they are in the same order as in stub-cache-ia32.cc.
Review URL: http://codereview.chromium.org/6085006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6140 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoMove first_artificial_register_ initialization to the right place.
vegorov@chromium.org [Mon, 3 Jan 2011 19:16:29 +0000 (19:16 +0000)]
Move first_artificial_register_ initialization to the right place.

Review URL: http://codereview.chromium.org/6009010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoRemember required register kind when creating artificial virtual register.
vegorov@chromium.org [Mon, 3 Jan 2011 17:02:15 +0000 (17:02 +0000)]
Remember required register kind when creating artificial virtual register.

Review URL: http://codereview.chromium.org/6065010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6138 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix a bug in deoptimization environments.
kmillikin@chromium.org [Mon, 3 Jan 2011 16:57:46 +0000 (16:57 +0000)]
Fix a bug in deoptimization environments.

The function HEnvironment::SetExpressionStackAt did not update the
environment's history.  This function is used to patch the bailout
environment for count operations and global function calls.

Reorganize class HEnvironment to make it fit V8's style a bit better
and to try to add some sanity to which C++ functions are intended to
be inlined.

Remove the flag --trace-environment which merely duplicated data in
the hydrogen.cfg file except without enough context to be useful.

BUG=1004

Review URL: http://codereview.chromium.org/5992011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6137 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoRemove RecordWriteStub from X64 and ARM platforms.
whesse@chromium.org [Mon, 3 Jan 2011 14:59:12 +0000 (14:59 +0000)]
Remove RecordWriteStub from X64 and ARM platforms.
Review URL: http://codereview.chromium.org/5986014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6136 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoUse the macro assembler Set instead of explicit xor for clearing registers.
sgjesse@chromium.org [Mon, 3 Jan 2011 11:39:22 +0000 (11:39 +0000)]
Use the macro assembler Set instead of explicit xor for clearing registers.
Review URL: http://codereview.chromium.org/6015011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6135 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoSimplify ScanJsonString.
sandholm@chromium.org [Mon, 3 Jan 2011 10:51:34 +0000 (10:51 +0000)]
Simplify ScanJsonString.
Review URL: http://codereview.chromium.org/6009009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoChanged uncast -1 in unsigned context to use constant kSentinel.
lrn@chromium.org [Mon, 3 Jan 2011 10:28:39 +0000 (10:28 +0000)]
Changed uncast -1 in unsigned context to use constant kSentinel.

Review URL: http://codereview.chromium.org/5993006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6133 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdd more documentation to Context::New in the API header file.
ager@chromium.org [Mon, 3 Jan 2011 10:17:08 +0000 (10:17 +0000)]
Add more documentation to Context::New in the API header file.

Review URL: http://codereview.chromium.org/6043005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6130 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoPrepare push to trunk. Now working on 3.0.6.
fschneider@chromium.org [Mon, 3 Jan 2011 10:02:17 +0000 (10:02 +0000)]
Prepare push to trunk. Now working on 3.0.6.

Review URL: http://codereview.chromium.org/6005011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6129 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoChanged #define symbols in test to OBJECT_PRINT from PRINT_OBJECT
sgjesse@chromium.org [Mon, 3 Jan 2011 09:32:42 +0000 (09:32 +0000)]
Changed #define symbols in test to OBJECT_PRINT from PRINT_OBJECT
because this is actually what is being used.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/6037015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoLanding for Martin Maly.
ager@chromium.org [Mon, 3 Jan 2011 08:13:37 +0000 (08:13 +0000)]
Landing for Martin Maly.

Fix Xcode project.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6127 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdded context sensitive prompt for remote debugger. It now shows "> "
sgjesse@chromium.org [Mon, 3 Jan 2011 07:56:30 +0000 (07:56 +0000)]
Added context sensitive prompt for remote debugger.  It now shows "> "
when the debuggee is running, and "dbg> " when the debuggee is stopped.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/5966004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6126 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoOptimize array-length and fast element loads.
fschneider@chromium.org [Thu, 30 Dec 2010 19:30:42 +0000 (19:30 +0000)]
Optimize array-length and fast element loads.

1. Separating out the instance-type check from the array-length operation.

2. I also changed the bounds-check on keyed loads to use the length property
for JS arrays (like we do for array stores).

The new pattern should use less registers and allow more checks to be eliminated.

Review URL: http://codereview.chromium.org/5961016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6125 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoDon't emit a write barrier when storing a known old space value.
vitalyr@chromium.org [Sat, 25 Dec 2010 14:14:16 +0000 (14:14 +0000)]
Don't emit a write barrier when storing a known old space value.

Review URL: http://codereview.chromium.org/6072009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6120 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoForce inlining of BodyVisitorBase::IteratePointers.
vitalyr@chromium.org [Fri, 24 Dec 2010 14:44:15 +0000 (14:44 +0000)]
Force inlining of BodyVisitorBase::IteratePointers.

Review URL: http://codereview.chromium.org/6042007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6119 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix variable conflict in nested for statement
peter.rybin@gmail.com [Fri, 24 Dec 2010 02:44:35 +0000 (02:44 +0000)]
Fix variable conflict in nested for statement

Review URL: http://codereview.chromium.org/5961011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6118 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix inlining of instanceof stub for ARM (r6093).
karlklose@chromium.org [Thu, 23 Dec 2010 16:33:30 +0000 (16:33 +0000)]
Fix inlining of instanceof stub for ARM (r6093).
Review URL: http://codereview.chromium.org/6055006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6117 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoChange scanner buffers to not use utf-8.
lrn@chromium.org [Wed, 22 Dec 2010 20:14:19 +0000 (20:14 +0000)]
Change scanner buffers to not use utf-8.
Make preparser keep its symbol text itself instead of relying on the scanner.

Review URL: http://codereview.chromium.org/6075005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6115 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix win64 build.
vitalyr@chromium.org [Wed, 22 Dec 2010 16:07:59 +0000 (16:07 +0000)]
Fix win64 build.

Review URL: http://codereview.chromium.org/6050005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6114 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoDo not turn source array elements into writable if doing Array.slice.
antonm@chromium.org [Wed, 22 Dec 2010 15:45:48 +0000 (15:45 +0000)]
Do not turn source array elements into writable if doing Array.slice.

Array.slice doesn't mutate original array, so it's fine with read only data.
Plus nuke unnecessary cast.

Review URL: http://codereview.chromium.org/5972004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6113 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoSupport load function prototype in hydrogen/lithium.
vitalyr@chromium.org [Wed, 22 Dec 2010 15:43:32 +0000 (15:43 +0000)]
Support load function prototype in hydrogen/lithium.

Review URL: http://codereview.chromium.org/6009005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6112 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoIntroduce NUMBER_IS_FINITE macro to avoid ToNumber() conversion.
sandholm@chromium.org [Wed, 22 Dec 2010 13:19:25 +0000 (13:19 +0000)]
Introduce NUMBER_IS_FINITE macro to avoid ToNumber() conversion.
Review URL: http://codereview.chromium.org/5977006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6111 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoRefactoring out object printing functions into objects-printer.cc.
sgjesse@chromium.org [Wed, 22 Dec 2010 13:04:47 +0000 (13:04 +0000)]
Refactoring out object printing functions into objects-printer.cc.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/6083001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6110 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoClean up is-ASCII checks.
vitalyr@chromium.org [Wed, 22 Dec 2010 11:31:18 +0000 (11:31 +0000)]
Clean up is-ASCII checks.

Review URL: http://codereview.chromium.org/5963003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6109 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoUse Assembler::Set() to assign constants to registers in more places. Commit of...
whesse@chromium.org [Wed, 22 Dec 2010 09:55:19 +0000 (09:55 +0000)]
Use Assembler::Set() to assign constants to registers in more places.  Commit of codereview.chromium.org/6016007/ .

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6104 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix a couple of cast errors for gcc-3.4.3. Patch by Ryan Dahl. http://codereview...
erik.corry@gmail.com [Wed, 22 Dec 2010 09:49:26 +0000 (09:49 +0000)]
Fix a couple of cast errors for gcc-3.4.3.  Patch by Ryan Dahl. codereview.chromium.org/5976006/

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6103 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix assert error in r6083 by allowing stub calls from TranscendentalCacheStub.
whesse@chromium.org [Tue, 21 Dec 2010 15:10:45 +0000 (15:10 +0000)]
Fix assert error in r6083 by allowing stub calls from TranscendentalCacheStub.
Review URL: http://codereview.chromium.org/6021004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6100 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAvoid decoding overhead when allocating ascii strings.
ager@chromium.org [Tue, 21 Dec 2010 13:24:23 +0000 (13:24 +0000)]
Avoid decoding overhead when allocating ascii strings.

The assumption is that most utf8 strings allocated are actually ascii
and that if they are not we will encounter a non-ascii char pretty
quickly.

Review URL: http://codereview.chromium.org/6072004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6099 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoPrepare push to trunk. Now working on version 3.0.5.
whesse@chromium.org [Tue, 21 Dec 2010 12:05:32 +0000 (12:05 +0000)]
Prepare push to trunk.  Now working on version 3.0.5.
Review URL: http://codereview.chromium.org/6056003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6095 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix for issue 1007.
kmillikin@chromium.org [Tue, 21 Dec 2010 11:21:04 +0000 (11:21 +0000)]
Fix for issue 1007.

The Hydrogen environment only tracks values for stack-allocated variables.
It is a precondition of HEnvironment::Lookup(variable) that variable is
stack-allocated.  The check was missing at one call site.

Review URL: http://codereview.chromium.org/6034004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6094 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoImplement inlining of instanceof tests on ARM.
karlklose@chromium.org [Tue, 21 Dec 2010 10:52:50 +0000 (10:52 +0000)]
Implement inlining of instanceof tests on ARM.

TBR=sgjesse

BUG=
TEST=

Review URL: http://codereview.chromium.org/6004005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6093 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix leak of a global handle in Debug::Load().
vegorov@chromium.org [Tue, 21 Dec 2010 10:51:50 +0000 (10:51 +0000)]
Fix leak of a global handle in Debug::Load().

Bootstrapper::CreateEnvironment() returns a global handle to the created context so there is no need to create another one explicitly.

BUG=v8:1006

Review URL: http://codereview.chromium.org/6048003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6092 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoImplement HeapIterator that skips over unreachable objects.
mikhail.naganov@gmail.com [Tue, 21 Dec 2010 10:49:40 +0000 (10:49 +0000)]
Implement HeapIterator that skips over unreachable objects.

I'm using it when creating heap snapshots. I decided that it will
be more convenient to have it as a separate piece of code, instead
of embedding into the snapshot generator.

Review URL: http://codereview.chromium.org/6014004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6091 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoEnsure that the SSE2 TranscendentalCache stub calls GC if it runs out of memory in...
whesse@chromium.org [Tue, 21 Dec 2010 10:25:51 +0000 (10:25 +0000)]
Ensure that the SSE2 TranscendentalCache stub calls GC if it runs out of memory in new space.  Previously, it would just use an alternate algorithm, that did not cache the result.
Review URL: http://codereview.chromium.org/5996001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6090 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoTweak quicksort loop to reduce number of compares slightly.
lrn@chromium.org [Mon, 20 Dec 2010 14:57:51 +0000 (14:57 +0000)]
Tweak quicksort loop to reduce number of compares slightly.

Review URL: http://codereview.chromium.org/6039002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6087 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix error in r6083
whesse@chromium.org [Mon, 20 Dec 2010 14:42:05 +0000 (14:42 +0000)]
Fix error in r6083
Review URL: http://codereview.chromium.org/6026004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6086 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoTeach C++ ArraySlice builtin to deal with arguments object.
antonm@chromium.org [Mon, 20 Dec 2010 14:41:41 +0000 (14:41 +0000)]
Teach C++ ArraySlice builtin to deal with arguments object.

Array.prototype.slice.call(arguments, ...) idiom is pretty common (up to 97% of invocations
in GMail), so we'd better handle it efficiently too.

Review URL: http://codereview.chromium.org/6034003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6085 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAllow 4 more fast properties for objects.
vitalyr@chromium.org [Mon, 20 Dec 2010 14:20:43 +0000 (14:20 +0000)]
Allow 4 more fast properties for objects.

Review URL: http://codereview.chromium.org/6016003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdd untagged double versions of Math.sin and Math.cos. Merge classes TranscendentalC...
whesse@chromium.org [Mon, 20 Dec 2010 13:52:14 +0000 (13:52 +0000)]
Add untagged double versions of Math.sin and Math.cos.  Merge classes TranscendentalCacheStub and TranscendentalCacheSSE2Stub.
Review URL: http://codereview.chromium.org/5996002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6083 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix GVN for polymorphic loads.
fschneider@chromium.org [Mon, 20 Dec 2010 13:18:47 +0000 (13:18 +0000)]
Fix GVN for polymorphic loads.

They must not be hoisted above the compare-map-and-branch.

Review URL: http://codereview.chromium.org/5971003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6082 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoMinor optimization in regexp parse.
sandholm@chromium.org [Mon, 20 Dec 2010 10:44:41 +0000 (10:44 +0000)]
Minor optimization in regexp parse.
Review URL: http://codereview.chromium.org/6014002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6081 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years ago1. Added support for object printing for release mode using the
sgjesse@chromium.org [Mon, 20 Dec 2010 10:38:19 +0000 (10:38 +0000)]
1. Added support for object printing for release mode using the
   objectprint=on (defaults to off) option (which defines OBJECT_PRINT).
2. Added the ability to print objects to a specified file instead of
   just stdout.
3. Added a use_verbose_printer flag (true by default) to allow some
   object printouts to be less verbose when the flag is false.
4. Fixed a bug in VSNPrintF() where it can potentially write into an
   empty char vector.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/5998001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6080 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix smi-comparison to use correct macros in X64-SwapElements.
lrn@chromium.org [Mon, 20 Dec 2010 09:38:56 +0000 (09:38 +0000)]
Fix smi-comparison to use correct macros in X64-SwapElements.

Review URL: http://codereview.chromium.org/5967002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6079 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoRemove the atomic/thread safe stuff from the chunk table, since we don't
erik.corry@gmail.com [Fri, 17 Dec 2010 14:50:24 +0000 (14:50 +0000)]
Remove the atomic/thread safe stuff from the chunk table, since we don't
use cross thread synchronization in Crankshaft.
Review URL: http://codereview.chromium.org/5979001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6075 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoExtend code printing:
vitalyr@chromium.org [Fri, 17 Dec 2010 14:16:00 +0000 (14:16 +0000)]
Extend code printing:

o Add --print-unopt-code to print unoptimized code before printing
  optimized code based on it. This is useful to see the states of ICs
  and the effects of code patching.

o Use debug function names in disassembly output.

Review URL: http://codereview.chromium.org/5959003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6074 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoMark map-transition stores as map-changing instructions.
fschneider@chromium.org [Fri, 17 Dec 2010 13:44:19 +0000 (13:44 +0000)]
Mark map-transition stores as map-changing instructions.

This prevents code motion from hoisting map-checks across such stores
which may result in unnecessary deoptimizations.

In the following example program we would move a map-check from the inner loop out before the outer loop which is not desirable:

function f() {
  var o = {};
  var j = 0;
  o.a = 1;
  do {
    o.b = 6;  // Map transition
    for (var i=0; i<10; i++) {
       o.a = o.b + i;
    }
  } while(++j < 1) {}
}

for (var i = 0; i < 1000000; i++) f();

Review URL: http://codereview.chromium.org/5991001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6071 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoWhen setting property on a context extension object do not inherit the
ager@chromium.org [Fri, 17 Dec 2010 13:04:53 +0000 (13:04 +0000)]
When setting property on a context extension object do not inherit the
attributes from an existing property on a prototype object.

Review URL: http://codereview.chromium.org/5995002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6068 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdding Date::ResetCache() API so that the cache values in the Date object
sgjesse@chromium.org [Fri, 17 Dec 2010 12:45:27 +0000 (12:45 +0000)]
Adding Date::ResetCache() API so that the cache values in the Date object
can be reset to allow DST / timezone changes to be re-cached and reflected
in the Date object.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/5978001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6067 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAllow rapid socket reuse on POSIX platforms.
vitalyr@chromium.org [Fri, 17 Dec 2010 12:31:42 +0000 (12:31 +0000)]
Allow rapid socket reuse on POSIX platforms.

Review URL: http://codereview.chromium.org/5990001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6066 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoImprove regexp split, replace and test.
sandholm@chromium.org [Fri, 17 Dec 2010 11:57:10 +0000 (11:57 +0000)]
Improve regexp split, replace and test.
Review URL: http://codereview.chromium.org/5959002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6065 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAvoid comparing a pointer-to-member to NULL, even though C++ is supposed to support it.
whesse@chromium.org [Fri, 17 Dec 2010 11:52:10 +0000 (11:52 +0000)]
Avoid comparing a pointer-to-member to NULL, even though C++ is supposed to support it.
Review URL: http://codereview.chromium.org/5988001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6064 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoChange quicksort pivot from random to median-of-three.
lrn@chromium.org [Fri, 17 Dec 2010 10:06:11 +0000 (10:06 +0000)]
Change quicksort pivot from random to median-of-three.

Tweak quicksort bailout parameter to minimize time.

Review URL: http://codereview.chromium.org/5962003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6063 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdd a couple of missing includes.
erik.corry@gmail.com [Fri, 17 Dec 2010 08:58:04 +0000 (08:58 +0000)]
Add a couple of missing includes.
Review URL: http://codereview.chromium.org/5899001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6062 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoPrepare push to trunk. Now working on version 3.0.4.
ager@chromium.org [Fri, 17 Dec 2010 08:24:54 +0000 (08:24 +0000)]
Prepare push to trunk. Now working on version 3.0.4.

Also fix files because of missing prepare for push of version 3.0.2
which was pushed directly.

Review URL: http://codereview.chromium.org/5962002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6060 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix 'Optimizations' typo in gyp file.
ager@chromium.org [Fri, 17 Dec 2010 07:52:20 +0000 (07:52 +0000)]
Fix 'Optimizations' typo in gyp file.

BUG=http://code.google.com/p/v8/issues/detail?id=998
Review URL: http://codereview.chromium.org/5970001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6059 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoReduce number of iterations in new regression test, this times out on arm and the...
ricow@chromium.org [Fri, 17 Dec 2010 07:23:06 +0000 (07:23 +0000)]
Reduce number of iterations in new regression test, this times out on arm and the regression is hit with an order of magnitude less iterations.

Review URL: http://codereview.chromium.org/5963001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6058 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoSupport loading constant functions in hydrogen.
vitalyr@chromium.org [Thu, 16 Dec 2010 22:30:53 +0000 (22:30 +0000)]
Support loading constant functions in hydrogen.

Review URL: http://codereview.chromium.org/5878004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6057 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix bugs in the range analysis for integers.
fschneider@chromium.org [Thu, 16 Dec 2010 18:01:36 +0000 (18:01 +0000)]
Fix bugs in the range analysis for integers.

The overflow conditions were not correctly detected for
certain add, sub and mul instructions.

I replaced the previous code by using 64-bit arithmetic
to correctly identify overflows for *, + and -.

Review URL: http://codereview.chromium.org/5860009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6055 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoUse near labels in write barrier code.
vitalyr@chromium.org [Thu, 16 Dec 2010 17:45:26 +0000 (17:45 +0000)]
Use near labels in write barrier code.

Review URL: http://codereview.chromium.org/5939003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6054 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoEmit better code when pushing a constant.
vitalyr@chromium.org [Thu, 16 Dec 2010 16:56:45 +0000 (16:56 +0000)]
Emit better code when pushing a constant.

Review URL: http://codereview.chromium.org/5884003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6053 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoA number of instructions use GVN but do not provide a comparison
ager@chromium.org [Thu, 16 Dec 2010 15:40:02 +0000 (15:40 +0000)]
A number of instructions use GVN but do not provide a comparison
function for the data. This leads to wrong results where operations
are wrongly assumed to have the same value as a previous (different)
operation.

Provide the data comparison functions.

BUG=995

Review URL: http://codereview.chromium.org/5898003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6052 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix an issue discovered in regress-969.
kmillikin@chromium.org [Thu, 16 Dec 2010 14:18:41 +0000 (14:18 +0000)]
Fix an issue discovered in regress-969.

When running with 10 stress runs we get polymorphic stores.  This revealed
an incorrect bailout ID for the state following a polymorphic store.  The ID
should be the internal ID of the assignment side-effect, not the ID of the
end of the expression.

Review URL: http://codereview.chromium.org/5885003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6051 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoAdd flag for running with a non standard number of stress-runs.
ricow@chromium.org [Thu, 16 Dec 2010 13:24:23 +0000 (13:24 +0000)]
Add flag for running with a non standard number of stress-runs.

This allows easy testing with more than 5/2 stress runs in
release/debug and will allow us to have a nightly run with e.g., 10
stress runs in debug mode.

Review URL: http://codereview.chromium.org/5903003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6050 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix issue 977, occasional failure of the DeltaBlue benchmark.
kmillikin@chromium.org [Thu, 16 Dec 2010 13:13:36 +0000 (13:13 +0000)]
Fix issue 977, occasional failure of the DeltaBlue benchmark.

Before, when we deoptimized after a branch we jumped to before the branch
was taken in the unoptimized code with a token value that indicated when
edge to take.  There was a lot of machinery to track this value through the
short-circuit logical operations and logical negation, and to handle it
properly at inline function return sites.  There was also machinery to
prevent incorrectly seeing this environment with the extra value never
actually materialized in the unoptimized code.

Instead, now we deoptimize directly to one of the targets of the branch.
Much but not yet all of the extra machinery has been removed or simplified.
The cost is that branching control structures (the looping statements, if
statements, conditional expressions, and the short-circuit binary logical
operations) need extra AST IDs to identify the branch targets.

Review URL: http://codereview.chromium.org/5908001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6049 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoPerform more aggressive time to NaN conversions. Our internal date
ager@chromium.org [Thu, 16 Dec 2010 13:02:09 +0000 (13:02 +0000)]
Perform more aggressive time to NaN conversions. Our internal date
methods rely on the time values passed in being within a certain range
- not significantly larger than the the ECMA 262 specified time
range. When creating a time, always make it NaN if there is no way
that it can be within range even after UTC conversion.

Review URL: http://codereview.chromium.org/5905003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6048 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoChange DefaultString and DefaultNumber to match the spec required behavior.
lrn@chromium.org [Thu, 16 Dec 2010 12:49:55 +0000 (12:49 +0000)]
Change DefaultString and DefaultNumber to match the spec required behavior.

Previously it did two reads of the .toString and .valueOf properties where
only one was allowed.

Review URL: http://codereview.chromium.org/5950001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6047 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix presubmit errors
mikhail.naganov@gmail.com [Thu, 16 Dec 2010 12:26:04 +0000 (12:26 +0000)]
Fix presubmit errors

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6046 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoChange Object.defineProperty to accept undefined as getters and setters and to correc...
ricow@chromium.org [Thu, 16 Dec 2010 12:21:08 +0000 (12:21 +0000)]
Change Object.defineProperty to accept undefined as getters and setters and to correctly accept overriding an accessor with a data property.

In the past we only accepted functions as argument for setting an
accessor. Since one should be able to set an accessor to undefined
this had to be changed to take either.

In addition, we did not lookup properties in the prototype chain,
causing us to call the setter of an existing accessor up the prototype
chain when trying to replace an existing accessor (that was not local)
with a data property.

Review URL: http://codereview.chromium.org/5861006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6045 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoMake V8 compilable with profiling support turned off.
mikhail.naganov@gmail.com [Thu, 16 Dec 2010 12:14:56 +0000 (12:14 +0000)]
Make V8 compilable with profiling support turned off.

BUG=990

Review URL: http://codereview.chromium.org/5890003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6044 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix a SEGV in the register allocator.
fschneider@chromium.org [Thu, 16 Dec 2010 12:01:22 +0000 (12:01 +0000)]
Fix a SEGV in the register allocator.

This occasionally caused the regress-806 unit test to crash.

Review URL: http://codereview.chromium.org/5913002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6043 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoIA32: Optimize instanceof
sgjesse@chromium.org [Thu, 16 Dec 2010 08:58:42 +0000 (08:58 +0000)]
IA32: Optimize instanceof

The instanceoff stub now supports arguments in registers and checks for null,
smi and string values without going to runtime.

Needs porting to X64 and ARM.
Review URL: http://codereview.chromium.org/5828004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6042 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix evaluate with context debug protocol
peter.rybin@gmail.com [Wed, 15 Dec 2010 19:55:51 +0000 (19:55 +0000)]
Fix evaluate with context debug protocol

Review URL: http://codereview.chromium.org/5866002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6039 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix several register allocation issues revealed by fuzzer:
vegorov@chromium.org [Wed, 15 Dec 2010 18:13:02 +0000 (18:13 +0000)]
Fix several register allocation issues revealed by fuzzer:

- LIsObject had incorrect contraint for value input;
- Temporaries had incorrect lifetime intervals;
- Live ranges for live_out values was not covering the whole block.

Review URL: http://codereview.chromium.org/5899002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6038 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoDeoptimize non-smi switch cases if they are reached.
vitalyr@chromium.org [Wed, 15 Dec 2010 17:11:11 +0000 (17:11 +0000)]
Deoptimize non-smi switch cases if they are reached.

This way if the type oracle says an unreachable clause has a non-smi
type, we can still emit optimized code instead of doing an early
bailout.

This change depends of Florian's r5970.

Review URL: http://codereview.chromium.org/5812005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6037 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix compilation on x64.
kmillikin@chromium.org [Wed, 15 Dec 2010 16:37:17 +0000 (16:37 +0000)]
Fix compilation on x64.

TBR=ager@chromium.org

Review URL: http://codereview.chromium.org/5873003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6036 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoFix issue 974.
kmillikin@chromium.org [Wed, 15 Dec 2010 16:14:29 +0000 (16:14 +0000)]
Fix issue 974.

When entering a finally block in unoptimized code, we unconditionally
save the accumulator register in the stack in case it holds a return
value or an exception.  In the case of a break, continue, or falling
off the end of the try or catch block, this value is unpredictable and
not necessarily safe for GC.

Review URL: http://codereview.chromium.org/5883003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

13 years agoEmit a load of the elements array only before the first store.
fschneider@chromium.org [Wed, 15 Dec 2010 16:12:55 +0000 (16:12 +0000)]
Emit a load of the elements array only before the first store.

This avoid emitting the load for empty and constant array literals.

Review URL: http://codereview.chromium.org/5697006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6034 ce2b1a6d-e550-0410-aec6-3dcde31c8c00