1. Avoid using SKIP_WRITE_BARRIER when we don't have to (smis).
  2. Check and document the remaining uses of SKIP_WRITE_BARRIER.
  3. Only allow GetWriteBarrierMode when in an AssertNoAllocation scope.

The only functional change should be in DeepCopyBoilerplate where we
no longer use the write barrier mode (because of allocations). I'm
running benchmarks to see if this has a measurable impact on performance.
Review URL: http://codereview.chromium.org/558041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=lrn@chromium.org
Review URL: http://codereview.chromium.org/555161

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3742 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=lrn@chromium.org

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3741 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Code tested on both Linux and Windows.

Added a bit more abstraction to calling a C function from generated code.

Minor tweaks to the ia32 version.
Review URL: http://codereview.chromium.org/548179

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3740 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

When doing lazy compilation of methods, allow the code generator to know the
(initial) receiver at the (initial) call site.

Review URL: http://codereview.chromium.org/551189

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3739 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This change adds a post-order numbering to AST nodes that
are relevant for the fast code generator. It is only invoked
together with the fast compiler. 

Also changed the ast printer to print the  numbering for 
testing purposes if it is present.

Review URL: http://codereview.chromium.org/553134

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3738 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/548181

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3737 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/558018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3736 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is a port to x64 of the following CLs:

http://codereview.chromium.org/554062 (use registers at all)
http://codereview.chromium.org/555098 (use registers for MUL, DIV and virtual frames)
http://codereview.chromium.org/556019 (optimize register order)

Review URL: http://codereview.chromium.org/555147

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/552210

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3734 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=ager@chromium.org
Review URL: http://codereview.chromium.org/554114

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3731 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=ager@chromium.org
Review URL: http://codereview.chromium.org/548178

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3730 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

memory blocks filling them out with recognizable non-zero
bit pattern in debug mode.
Review URL: http://codereview.chromium.org/558016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3729 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Add the new files for the fast compiler.

TBR=kmillikin@chromium.org
Review URL: http://codereview.chromium.org/557034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3728 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This change depends on landing the BIT_NOT unary op stub on arm. That
change is out for review.

Review URL: http://codereview.chromium.org/557016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3727 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/552188

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3726 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

created during bootstrapping. Without this change we 
risk having weird flags set on the map for the null
value (among others), which can lead to crashes.
Review URL: http://codereview.chromium.org/552195

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3725 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=kmillikin@chromium.org, 
Review URL: http://codereview.chromium.org/555132

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3724 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

I think it currently is defined on all platforms except Android.
Review URL: http://codereview.chromium.org/554101

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

64-bit version now builds on Windows again in both release and debug mode.

The Visual Studio project files have been updated so that all three configurations work (32-bit, 64-bit and 32-bit with ARM simulator). They all convert from Visual Studio 2005 to Visual Studio 2008.

TBR=lrn@chromium.org
Review URL: http://codereview.chromium.org/549174

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3722 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

simpler backend for non-toplevel code.

Review URL: http://codereview.chromium.org/549158

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3721 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/487017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3720 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

when an existing accessor is redefined (a configurable accessor can
potentially be redefined as a non-configurable (i.e., DONT_DELETE)).


Review URL: http://codereview.chromium.org/556040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3719 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/556041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3718 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

For now, this is a direct port from ia32, so there is probably still
stuff that can be improved here.
Review URL: http://codereview.chromium.org/555131

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3717 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

generator.

Review URL: http://codereview.chromium.org/553116

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3716 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/556020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3715 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/552184

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3714 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

objects in the startup heap from a partial snapshot.  This happens
through the partial snapshot cache.  A startup snapshot and a
partial snapshot are created together so that the startup snapshot
contains the partial snapshot cache entries needed.
Review URL: http://codereview.chromium.org/548149

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3713 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

on ia32.

1. Operate on the values in edx,eax when possible (all operations
except DIV and MOD).  This saves moving them on entry and when falling
out to the non-smi code.

2. Do not perform ADD and SUB before the smi check of their inputs.
This saves undoing the operation in the case that we fall through to
the non-smi case due to non-smi inputs (probably common?), and we can
avoid emitting the smi check code twice (code size reduction).

3. Don't perform OR twice (once to smi check the inputs and once to
smi check the result).

Review URL: http://codereview.chromium.org/556019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3712 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/555099

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3711 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This test have been timing out on ARM hardware from time to time.
Review URL: http://codereview.chromium.org/543206

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3710 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

As the start index is already passed it is easy to calculate the "at start" boolean in generated code. Also as direct entry has been implemented this needs to be done in generated code anyway, and therefore might as well be moved to the generated code for RegExp. The "at start" value is now calcualted as a local variable on the native RegExp frame based on the value of the start index argument.

The x64 version have been tested on both Linux and 64-bit Windows Vista.

For ARM I have tested cctest/test-regexp on ARM hardware, but the rest of the tests have only been run on the ARM simulator.
Review URL: http://codereview.chromium.org/554078

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3709 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

1. MUL and DIV on SMIs.
2. When calling GenericBinaryOpStub from a virtual frame.
3. When generating code for a loop counter.
Overall performance gain is about 0.6%.
Review URL: http://codereview.chromium.org/555098

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3708 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/556018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3705 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/549147

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3703 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/546147

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3700 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This reduces chances of improper usage, see http://code.google.com/p/v8/issues/detail?id=586
for more details.

BUG=586

Review URL: http://codereview.chromium.org/555072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3696 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

See Kevin's comments for http://codereview.chromium.org/554062.
Review URL: http://codereview.chromium.org/543193

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3695 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also fixing some formatting issues.
Review URL: http://codereview.chromium.org/556002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3694 ce2b1a6d-e550-0410-aec6-3dcde31c8c00