platform/upstream/v8.git
14 years agoReport code stubs to OProfile.
mikhail.naganov@gmail.com [Wed, 10 Feb 2010 17:50:16 +0000 (17:50 +0000)]
Report code stubs to OProfile.

Patch from Dineel D Sule <dsule@codeaurora.org>.
Original issue: http://codereview.chromium.org/600019

TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/593038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3831 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoChange StoreIC interface on ARM platform
whesse@chromium.org [Wed, 10 Feb 2010 15:06:08 +0000 (15:06 +0000)]
Change StoreIC interface on ARM platform
Review URL: http://codereview.chromium.org/554152

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3830 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRefactor prototype setting code and expose SetPrototype to public V8 API.
antonm@chromium.org [Wed, 10 Feb 2010 14:44:15 +0000 (14:44 +0000)]
Refactor prototype setting code and expose SetPrototype to public V8 API.

Review URL: http://codereview.chromium.org/598020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3829 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoHarden global variable accesses in the fast code generator.
kmillikin@chromium.org [Wed, 10 Feb 2010 13:46:15 +0000 (13:46 +0000)]
Harden global variable accesses in the fast code generator.

Explicitly check that global variables do not have accessors or
interceptors in the fast code generator syntax checker.

Review URL: http://codereview.chromium.org/595022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3828 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoMaking lint happy.
antonm@chromium.org [Wed, 10 Feb 2010 11:48:53 +0000 (11:48 +0000)]
Making lint happy.

Review URL: http://codereview.chromium.org/593014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3827 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRestrict the syntax that we aggressively optimize.
kmillikin@chromium.org [Wed, 10 Feb 2010 09:18:55 +0000 (09:18 +0000)]
Restrict the syntax that we aggressively optimize.

Do not use the speculative compiler for functions with other than one
statement in the body, and do not use it if subexpressions can have
side effects.  Bailing out to the beginning of the full code is not
sound if side effects have already occurred.

Add tests that would fail without the restrictions.

Review URL: http://codereview.chromium.org/598016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3826 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoia32: Fuse map and type checks in call ICs for API functions.
vitalyr@chromium.org [Tue, 9 Feb 2010 16:14:14 +0000 (16:14 +0000)]
ia32: Fuse map and type checks in call ICs for API functions.

This uses the fact that if a map stayed the same then the object
still passes the type check. A new builtin is added to handle the
API call in this case.

Review URL: http://codereview.chromium.org/573003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3825 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoEliminate unused function KeyedStoreIC::GenerateExtendStorage, and unused parameter...
whesse@chromium.org [Tue, 9 Feb 2010 15:18:37 +0000 (15:18 +0000)]
Eliminate unused function KeyedStoreIC::GenerateExtendStorage, and unused parameter from StubCompiler::GenerateStoreField.
Review URL: http://codereview.chromium.org/575022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3824 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix error introduced in version 3820. Add optimization suggested by the error.
whesse@chromium.org [Tue, 9 Feb 2010 14:19:23 +0000 (14:19 +0000)]
Fix error introduced in version 3820.  Add optimization suggested by the error.
Review URL: http://codereview.chromium.org/597006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3823 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoInitial implementation of fast path operation for bitwise OR.
kmillikin@chromium.org [Tue, 9 Feb 2010 13:44:43 +0000 (13:44 +0000)]
Initial implementation of fast path operation for bitwise OR.

Support a binary operation (bitwise OR) so long as it's not nested in
the left subexpression.  This ensures that the expression stack never
has height greater than two and so can be kept fully in registers.

The bounded expression stack height and the absence of any side
effects on the fast path allows us to still bailout out to the very
beginning of the function if any of our fast-path checks fail.

Review URL: http://codereview.chromium.org/594008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3822 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoPorted ia32 optimization of revision 3487 to x64.
lrn@chromium.org [Tue, 9 Feb 2010 13:10:32 +0000 (13:10 +0000)]
Ported ia32 optimization of revision 3487 to x64.

Review URL: http://codereview.chromium.org/597005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3821 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoChange GenerateLoadStringLength to have two scratch registers on all platforms. ...
whesse@chromium.org [Tue, 9 Feb 2010 13:06:37 +0000 (13:06 +0000)]
Change GenerateLoadStringLength to have two scratch registers on all platforms.  This is needed so that the LoadIC can pass the receiver in a register, and not have it overwritten, and also simplifies the code.
Review URL: http://codereview.chromium.org/596011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3820 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoChanged fuzzer to randomly remove half of the arguments when running
ricow@chromium.org [Tue, 9 Feb 2010 12:15:34 +0000 (12:15 +0000)]
Changed fuzzer to randomly remove half of the arguments when running
on functions that takes five or more arguments. Original version runs
for a long time when there is 5 arguments in a runtime function (45+
seconds). The fuzzer can be run with all arguments on all functions
regardless of the number of arguments by setting
RUN_WITH_ALL_ARGUMENT_ENTRIES to true in fuzz-natives.js

Review URL: http://codereview.chromium.org/598011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3819 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdded helper functions for fixed register allocation.
kmillikin@chromium.org [Tue, 9 Feb 2010 10:18:51 +0000 (10:18 +0000)]
Added helper functions for fixed register allocation.

Added helper functions to the fast code generator for temporary, ad hoc
fixed register allocation.  Also inlined some helper functions that had only
one call site to simplify the code generator API for now.

Review URL: http://codereview.chromium.org/586002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3818 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoEliminate *IC::Generate() function on all platforms.
whesse@chromium.org [Mon, 8 Feb 2010 16:08:26 +0000 (16:08 +0000)]
Eliminate *IC::Generate() function on all platforms.
Review URL: http://codereview.chromium.org/583008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3817 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoEliminate unnecessary depencencies in some header files.
fschneider@chromium.org [Mon, 8 Feb 2010 14:33:34 +0000 (14:33 +0000)]
Eliminate unnecessary depencencies in some header files.

1. Eliminate unnecessary include of register-allocator-inl.h in frame-element.h.
2. Move functions register-allocator.h to the -inl.h file if they use other inline functions.
3. Add missing includes that resulted from the above changes.

Review URL: http://codereview.chromium.org/585009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3816 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoOptimize concat for one argument (two if you count 'this').
erik.corry@gmail.com [Mon, 8 Feb 2010 14:00:50 +0000 (14:00 +0000)]
Optimize concat for one argument (two if you count 'this').
Review URL: http://codereview.chromium.org/584006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3815 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoReview URL: http://codereview.chromium.org/561049
serya@chromium.org [Mon, 8 Feb 2010 13:44:49 +0000 (13:44 +0000)]
Review URL: http://codereview.chromium.org/561049

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3814 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix tests after r3811.
mikhail.naganov@gmail.com [Mon, 8 Feb 2010 08:55:01 +0000 (08:55 +0000)]
Fix tests after r3811.

TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/574027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3813 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoMove class declaration of Comment from codegen-inl.h to codegen.h
fschneider@chromium.org [Mon, 8 Feb 2010 08:54:27 +0000 (08:54 +0000)]
Move class declaration of Comment from codegen-inl.h to codegen.h

-inl.h files should only contains small inline functions and
no class declarations. Implementation moved to codegen.cc since
it's not a performance critical class (only used in DEBUG mode).

Review URL: http://codereview.chromium.org/585004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3812 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoProfiler tick processor: exploit d8's readline to avoid reading
mikhail.naganov@gmail.com [Mon, 8 Feb 2010 08:15:18 +0000 (08:15 +0000)]
Profiler tick processor: exploit d8's readline to avoid reading
entire file prior to parsing it. This allows processing of huge
log files (over 200 MB.)

Review URL: http://codereview.chromium.org/574015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3811 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFast compiler: Load globals variables directly from property cells.
fschneider@chromium.org [Fri, 5 Feb 2010 13:57:18 +0000 (13:57 +0000)]
Fast compiler: Load globals variables directly from property cells.

This is a first step towards loading globals directly from property cells instead
of going through a load IC.

This change supports only properties with the DontDelete attribute since
we are only able to bailout into the generic code generated by the secondary
code generator the beginning of a function. The resulting fast-case code is
specialized for a specific context. When invoked with a different global object,
it will always bailout to the secondary code.

When loading a property that does not exist at compile-time or a property
that is deleteable we still generate the generic load IC.

Review URL: http://codereview.chromium.org/565034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3808 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix test failures in debug mode w/snapshots. It turns out that not
mikhail.naganov@gmail.com [Fri, 5 Feb 2010 13:07:00 +0000 (13:07 +0000)]
Fix test failures in debug mode w/snapshots. It turns out that not
all stubs have valid major_keys, and this is OK. So I've added
a check to avoid termination in debug mode.

Review URL: http://codereview.chromium.org/572034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3807 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoARM native string addition.
lrn@chromium.org [Fri, 5 Feb 2010 12:00:42 +0000 (12:00 +0000)]
ARM native string addition.

Review URL: http://codereview.chromium.org/571005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3806 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoARMv7 ubfx support
sgjesse@chromium.org [Fri, 5 Feb 2010 08:46:41 +0000 (08:46 +0000)]
ARMv7 ubfx support

Patch from Kun Zhang <zhangk@codeaurora.org>, see http://codereview.chromium.org/569015.
Review URL: http://codereview.chromium.org/573027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3804 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdded checked convert of object to DefineOrRedefineAccessorProperty.
ricow@chromium.org [Fri, 5 Feb 2010 07:19:09 +0000 (07:19 +0000)]
Added checked convert of object to DefineOrRedefineAccessorProperty.

Review URL: http://codereview.chromium.org/570040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3803 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix issue 597: builtins and stubs are missing in profiler log when using snapshots.
mikhail.naganov@gmail.com [Thu, 4 Feb 2010 21:34:03 +0000 (21:34 +0000)]
Fix issue 597: builtins and stubs are missing in profiler log when using snapshots.

After this fix, profiles of non-snapshotted VMs are now equivalent to
profiles of snapshotted VMs (having that --log-snapshot-positions is used,
and mksnapshot's log is given to the tick processor script.)

BUG=597

Review URL: http://codereview.chromium.org/574005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3802 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFixed random style violations.
sgjesse@chromium.org [Thu, 4 Feb 2010 21:32:02 +0000 (21:32 +0000)]
Fixed random style violations.
Review URL: http://codereview.chromium.org/574009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3801 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFixed another presubmit error
sgjesse@chromium.org [Thu, 4 Feb 2010 20:43:59 +0000 (20:43 +0000)]
Fixed another presubmit error

TBR=ager@chromium.org
Review URL: http://codereview.chromium.org/572011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3800 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoMIPS port initial commit
sgjesse@chromium.org [Thu, 4 Feb 2010 20:36:58 +0000 (20:36 +0000)]
MIPS port initial commit

This is the first step in the MIPS port of V8. It adds assembler, disassembler and simulator for the MIPS32 architecture.

Contains stubbed out implementation of all the compiler/code generator infrastructure to make it all build.

Patch by Alexandre Rames from Sigma Designs Inc.

This is the landing of http://codereview.chromium.org/543161.
Review URL: http://codereview.chromium.org/561072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3799 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdded extra tests to the DefineOrRedefineAccessorProperty and
ricow@chromium.org [Thu, 4 Feb 2010 19:43:56 +0000 (19:43 +0000)]
Added extra tests to the DefineOrRedefineAccessorProperty and
DefineOrRedefineDataProperty to avoid invalid input.

Added tests to object-define-property.js to test that it does not crash
on invalid input.

Review URL: http://codereview.chromium.org/572005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3798 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoApply r3795 to bleeding_edge.
mikhail.naganov@gmail.com [Thu, 4 Feb 2010 15:35:42 +0000 (15:35 +0000)]
Apply r3795 to bleeding_edge.

TBR=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/575004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3797 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix presubmit errors.
sgjesse@chromium.org [Thu, 4 Feb 2010 15:21:05 +0000 (15:21 +0000)]
Fix presubmit errors.

TBR=ager@chromium.org
Review URL: http://codereview.chromium.org/570024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3796 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdded IsProperty() check to result in DefineOrRedefineAccessor - if no check
ricow@chromium.org [Thu, 4 Feb 2010 11:28:03 +0000 (11:28 +0000)]
Added IsProperty() check to result in DefineOrRedefineAccessor - if no check
this causes the debug check to fails since type() asserts that the
lookup_type != NOT_FOUND. This does not change any functionality since we
explicitly checked if it was one of the three types that we need to delete.
Also changed defineProperties in v8natives to actually return the object
being defined (as specified by spec)

Review URL: http://codereview.chromium.org/572003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3794 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoARM: Implement native substring copying.
lrn@chromium.org [Thu, 4 Feb 2010 09:11:43 +0000 (09:11 +0000)]
ARM: Implement native substring copying.

Review URL: http://codereview.chromium.org/552186

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRevert last change (temporarily using only the full compiler).
erik.corry@gmail.com [Wed, 3 Feb 2010 20:39:34 +0000 (20:39 +0000)]
Revert last change (temporarily using only the full compiler).
TBR=ager

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3791 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoActivate full compiler. This is a test which will be reverted.
erik.corry@gmail.com [Wed, 3 Feb 2010 20:31:49 +0000 (20:31 +0000)]
Activate full compiler.  This is a test which will be reverted.
TBR=ager

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3790 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoIncorporate the arguments to the code generator constructors and their
kmillikin@chromium.org [Wed, 3 Feb 2010 16:12:55 +0000 (16:12 +0000)]
Incorporate the arguments to the code generator constructors and their
MakeCode functions in the CompilationInfo structure.  This makes it
easier to add new arguments and makes all arguments uniformly
available to the various backends.
Review URL: http://codereview.chromium.org/566008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3789 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoBad newline snuck in before commit.
lrn@chromium.org [Wed, 3 Feb 2010 13:29:42 +0000 (13:29 +0000)]
Bad newline snuck in before commit.

Review URL: http://codereview.chromium.org/560032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3788 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoUpdated JSON.stringify to newest version of ES5.
lrn@chromium.org [Wed, 3 Feb 2010 13:17:39 +0000 (13:17 +0000)]
Updated JSON.stringify to newest version of ES5.

Review URL: http://codereview.chromium.org/562034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3787 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdded Object.defineProperty + needed internal functionality:
ricow@chromium.org [Wed, 3 Feb 2010 13:10:03 +0000 (13:10 +0000)]
Added Object.defineProperty + needed internal functionality:
  DefineOwnProperty (changed to allow for redefinition of existing property)
  SameValue
  Extra info on propertydescriptor
  GetProperty
  HasProperty

Currently the DefineOrRedefineAccessorProperty deletes the existing
property on the object if it is a dataproperty (FIELD or NORMAL) and
adds a new one. This can potentially be optimized.

Review URL: http://codereview.chromium.org/555149

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3786 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoDebugBreak shouldn't be used when ENABLE_DEBUGGER_SUPPORT isn't defined.
leonclarke@gmail.com [Wed, 3 Feb 2010 11:54:57 +0000 (11:54 +0000)]
DebugBreak shouldn't be used when ENABLE_DEBUGGER_SUPPORT isn't defined.
Review URL: http://codereview.chromium.org/568017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3784 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoUse MemOperand directly to load argv on arm.
ager@chromium.org [Wed, 3 Feb 2010 11:43:54 +0000 (11:43 +0000)]
Use MemOperand directly to load argv on arm.
Review URL: http://codereview.chromium.org/570003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3783 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoPrepare to push to trunk. We are now vorking on version 2.1.1.
sgjesse@chromium.org [Wed, 3 Feb 2010 09:15:58 +0000 (09:15 +0000)]
Prepare to push to trunk. We are now vorking on version 2.1.1.
Review URL: http://codereview.chromium.org/564033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3779 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix build error on Win32, fix spelling of DebugerStatementStub.
whesse@chromium.org [Wed, 3 Feb 2010 08:33:19 +0000 (08:33 +0000)]
Fix build error on Win32, fix spelling of DebugerStatementStub.
Review URL: http://codereview.chromium.org/570001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3778 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoUse the virtual-frame based optimizing compiler for split-compilation
ager@chromium.org [Wed, 3 Feb 2010 07:58:47 +0000 (07:58 +0000)]
Use the virtual-frame based optimizing compiler for split-compilation
bailouts.  For now the virtual-frame state at entry of a function is
hard-coded when using the virtual-frame based compiler as the
secondary compiler.

Setup frame pointer correctly on function entry on ARM in
fast-codegen-arm.

Review URL: http://codereview.chromium.org/569010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3776 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoReview URL: http://codereview.chromium.org/555164
serya@chromium.org [Tue, 2 Feb 2010 18:35:53 +0000 (18:35 +0000)]
Review URL: http://codereview.chromium.org/555164

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3775 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdd missing access checks to Object.getOwnPropertyNames.
ager@chromium.org [Tue, 2 Feb 2010 13:48:54 +0000 (13:48 +0000)]
Add missing access checks to Object.getOwnPropertyNames.

Makes webkit layout test: http/tests/security/cross-frame-access-enumeration.html fail.
Review URL: http://codereview.chromium.org/561019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3771 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRemove explicit Result arguments to IC calls on ARM.
whesse@chromium.org [Tue, 2 Feb 2010 13:40:53 +0000 (13:40 +0000)]
Remove explicit Result arguments to IC calls on ARM.
Review URL: http://codereview.chromium.org/568016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoHandle insertion order for simple constructors
sgjesse@chromium.org [Tue, 2 Feb 2010 13:33:29 +0000 (13:33 +0000)]
Handle insertion order for simple constructors

When functions only have simple assignments of the form this.x = ... the object is created in generated code without actually calling the constructor. In this case the initial map for the function already contains the properties assigned in the constructor. The field descriptors in this initial map now has an enumeration index assigned to make property enumeration order the insertion order. The insertion order here is the order of the this.x assignments in the code.

BUG=http://crbug.com/3867
TEST=test/mjsunit/regress/regress-crbug-3867.js

Review URL: http://codereview.chromium.org/566016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3768 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRemove some unused code on ARM
sgjesse@chromium.org [Tue, 2 Feb 2010 11:36:37 +0000 (11:36 +0000)]
Remove some unused code on ARM
Review URL: http://codereview.chromium.org/563008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3767 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoPort caching of lookup followups for interceptors to ARM
antonm@chromium.org [Tue, 2 Feb 2010 11:32:17 +0000 (11:32 +0000)]
Port caching of lookup followups for interceptors to ARM

Review URL: http://codereview.chromium.org/551191

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3766 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoChange StoreIC interface on x64 to pass receiver in rdx, not on stack.
whesse@chromium.org [Tue, 2 Feb 2010 09:20:19 +0000 (09:20 +0000)]
Change StoreIC interface on x64 to pass receiver in rdx, not on stack.
Review URL: http://codereview.chromium.org/558069

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3765 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix a bug that Math.round() returns incorrect results for huge integers.
lrn@chromium.org [Tue, 2 Feb 2010 09:14:22 +0000 (09:14 +0000)]
Fix a bug that Math.round() returns incorrect results for huge integers.

Review URL: http://codereview.chromium.org/567011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3764 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRemember to update the write barrier when storing into
kasperl@chromium.org [Tue, 2 Feb 2010 07:58:09 +0000 (07:58 +0000)]
Remember to update the write barrier when storing into
the context in the full compiler.

Clobber all input registers in the RecordWrite code
when the debug-code flag is set.
Review URL: http://codereview.chromium.org/569008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3761 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoImplement simple fast-path code for functions containing this property stores and...
kmillikin@chromium.org [Mon, 1 Feb 2010 17:01:58 +0000 (17:01 +0000)]
Implement simple fast-path code for functions containing this property stores and global variables.

Code is specialized to the initial receiver.

Review URL: http://codereview.chromium.org/553149

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3760 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRevert r3758.
kasperl@chromium.org [Mon, 1 Feb 2010 15:27:51 +0000 (15:27 +0000)]
Revert r3758.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3759 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoTemporarily allocate all function contexts in old space and
kasperl@chromium.org [Mon, 1 Feb 2010 15:16:26 +0000 (15:16 +0000)]
Temporarily allocate all function contexts in old space and
force the system to use the full compiler to momentarily get
better test coverage.

This change will be reverted once the unit tests have finished
running.
Review URL: http://codereview.chromium.org/552257

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3758 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAvoid using RecordWrite with the context (esi, rsi, cp) as
kasperl@chromium.org [Mon, 1 Feb 2010 13:20:43 +0000 (13:20 +0000)]
Avoid using RecordWrite with the context (esi, rsi, cp) as
one of the arguments since this may clobber the register.
Review URL: http://codereview.chromium.org/556101

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3757 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAllow the optimizing compiler to use an existing macro assembler.
ager@chromium.org [Mon, 1 Feb 2010 13:07:53 +0000 (13:07 +0000)]
Allow the optimizing compiler to use an existing macro assembler.

This is the first towards using the optimizing compiler for split
compilation bailouts.
Review URL: http://codereview.chromium.org/557079

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoCorrectly set eval_from_shared value when new function is created by "new Function...
yurys@chromium.org [Mon, 1 Feb 2010 12:56:56 +0000 (12:56 +0000)]
Correctly set eval_from_shared value when new function is created by "new Function(...)". At the moment it's set to the native script where the Function is defined(v8natives.js) which doesn't make much sense for the user when he tries to debug his code. Moreover, it causes an exception in JSONProtocolSerializer.prototype.serialize_.

Related Chromium bug: http://crbug.com/29062
Review URL: http://codereview.chromium.org/551227

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3755 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRemove StoreIC::Generate, and inline StoreIC::GenerateInitialize.
whesse@chromium.org [Mon, 1 Feb 2010 11:07:41 +0000 (11:07 +0000)]
Remove StoreIC::Generate, and inline StoreIC::GenerateInitialize.
Review URL: http://codereview.chromium.org/558067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3754 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoShow user script source line that caused exception intead of a line in a native scrip...
yurys@chromium.org [Mon, 1 Feb 2010 10:34:57 +0000 (10:34 +0000)]
Show user script source line that caused exception intead of a line in a native script. When an error is reported as one happened in a native script it's hard to track the original cause. See chromium issue: crbug.com/25305
Review URL: http://codereview.chromium.org/555170

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3753 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdded validating JSON parser mode to parser.
lrn@chromium.org [Mon, 1 Feb 2010 10:31:55 +0000 (10:31 +0000)]
Added validating JSON parser mode to parser.

Review URL: http://codereview.chromium.org/549207

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3752 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoStoreIC interface changed on ia32 to take receiver in edx, not on stack.
whesse@chromium.org [Mon, 1 Feb 2010 08:35:38 +0000 (08:35 +0000)]
StoreIC interface changed on ia32 to take receiver in edx, not on stack.
Review URL: http://codereview.chromium.org/555162

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3750 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoFix stack overflow in cctest/test-api/Threadin2 after r3613.
vitalyr@chromium.org [Fri, 29 Jan 2010 18:01:46 +0000 (18:01 +0000)]
Fix stack overflow in cctest/test-api/Threadin2 after r3613.

r3613 started wrapping all builtins in extra call in debug mode so it
became easier to cause stack overflow especially in 64-bit build.

Review URL: http://codereview.chromium.org/546129

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3749 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoAdd fast code generator visitor.
kmillikin@chromium.org [Fri, 29 Jan 2010 15:29:33 +0000 (15:29 +0000)]
Add fast code generator visitor.

It does not yet emit code so there is a flag --print-ir to print the
AST as seen by the code generator.

Review URL: http://codereview.chromium.org/558042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3748 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRewrite CsvParser.parseLine to make it simpler and gain some performance improvement.
mikhail.naganov@gmail.com [Fri, 29 Jan 2010 13:32:32 +0000 (13:32 +0000)]
Rewrite CsvParser.parseLine to make it simpler and gain some performance improvement.

Review URL: http://codereview.chromium.org/548198

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRemoving redundant stub for runtime native calls.
serya@chromium.org [Fri, 29 Jan 2010 12:41:11 +0000 (12:41 +0000)]
Removing redundant stub for runtime native calls.
Review URL: http://codereview.chromium.org/543207

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoIntroduce a stack-allocated structure to encapsulate compile-time information.
kmillikin@chromium.org [Fri, 29 Jan 2010 11:55:40 +0000 (11:55 +0000)]
Introduce a stack-allocated structure to encapsulate compile-time information.

Use it to hold the possible shared function info, the possible
receiver, and the compilation loop nesting depth.  Remove loop nesting
from FunctionLiteral AST nodes.

Review URL: http://codereview.chromium.org/552232

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3744 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

14 years agoRFC: Try to be much more careful with where we skip the write barrier by:
kasperl@chromium.org [Fri, 29 Jan 2010 11:46:55 +0000 (11:46 +0000)]
RFC: Try to be much more careful with where we skip the write barrier by:

  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

14 years agoFix debug build breakage from r3740
sgjesse@chromium.org [Fri, 29 Jan 2010 11:34:37 +0000 (11:34 +0000)]
Fix debug build breakage from r3740

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

14 years agoChange to src/x64/assembler-x64.h missing from r3740
sgjesse@chromium.org [Fri, 29 Jan 2010 10:56:26 +0000 (10:56 +0000)]
Change to src/x64/assembler-x64.h missing from r3740

TBR=lrn@chromium.org

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

14 years agoPort direct call from JavaScript to native RegExp to x64
sgjesse@chromium.org [Fri, 29 Jan 2010 10:33:27 +0000 (10:33 +0000)]
Port direct call from JavaScript to native RegExp to x64

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

14 years agoPropagate receiver from initial call site to code generator.
kmillikin@chromium.org [Fri, 29 Jan 2010 09:52:51 +0000 (09:52 +0000)]
Propagate receiver from initial call site to code generator.

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

14 years agoAdd a pass for the fast compiler to label expression nodes.
fschneider@chromium.org [Fri, 29 Jan 2010 09:42:13 +0000 (09:42 +0000)]
Add a pass for the fast compiler to label expression nodes.

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

14 years agoRemove some unneeded restorations of a register in StoreIC.
whesse@chromium.org [Thu, 28 Jan 2010 14:01:14 +0000 (14:01 +0000)]
Remove some unneeded restorations of a register in StoreIC.
Review URL: http://codereview.chromium.org/548181

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

14 years agoRemove unsafe and unneeded logging during deserialization.
ager@chromium.org [Thu, 28 Jan 2010 13:05:29 +0000 (13:05 +0000)]
Remove unsafe and unneeded logging during deserialization.

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

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

14 years agoUse registers to pass arguments to GenericBinaryOpStub (x64).
kaznacheev@chromium.org [Thu, 28 Jan 2010 12:45:14 +0000 (12:45 +0000)]
Use registers to pass arguments to GenericBinaryOpStub (x64).

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

14 years agoMove a line, in codegen-*.cc. Make formatting of ic-*.cc uniform.
whesse@chromium.org [Thu, 28 Jan 2010 12:41:27 +0000 (12:41 +0000)]
Move a line, in codegen-*.cc.  Make formatting of ic-*.cc uniform.
Review URL: http://codereview.chromium.org/552210

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

14 years agoFix typo.
sgjesse@chromium.org [Thu, 28 Jan 2010 10:46:58 +0000 (10:46 +0000)]
Fix typo.

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

14 years agoAdd missing break.
kasperl@chromium.org [Thu, 28 Jan 2010 09:08:01 +0000 (09:08 +0000)]
Add missing break.

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

14 years agoStrengthen a few assertions and add zapping of allocated
kasperl@chromium.org [Thu, 28 Jan 2010 08:46:56 +0000 (08:46 +0000)]
Strengthen a few assertions and add zapping of allocated
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

14 years agoUpdage Visual Studio project files
sgjesse@chromium.org [Thu, 28 Jan 2010 08:41:31 +0000 (08:41 +0000)]
Updage Visual Studio project files

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

14 years agoImplement SUB and BIT_NOT unary operations in full codegenerator.
ager@chromium.org [Thu, 28 Jan 2010 08:15:00 +0000 (08:15 +0000)]
Implement SUB and BIT_NOT unary operations in full codegenerator.

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

14 years agoPort bit not unary op stub to ARM.
ager@chromium.org [Thu, 28 Jan 2010 08:14:19 +0000 (08:14 +0000)]
Port bit not unary op stub to ARM.

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

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

14 years agoMake sure to initialize all fields in the special maps
kasperl@chromium.org [Wed, 27 Jan 2010 20:14:46 +0000 (20:14 +0000)]
Make sure to initialize all fields in the special maps
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

14 years agoRename flags in unit tests to match the new flag definitions.
fschneider@chromium.org [Wed, 27 Jan 2010 17:21:48 +0000 (17:21 +0000)]
Rename flags in unit tests to match the new flag definitions.

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

14 years agoGet it to compile when ENABLE_LOGGING_AND_PROFILING isn't defined.
leonclarke@gmail.com [Wed, 27 Jan 2010 17:10:28 +0000 (17:10 +0000)]
Get it to compile when ENABLE_LOGGING_AND_PROFILING isn't defined.
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

14 years agoFix 64-bit build on Windows and Visual Studio project files
sgjesse@chromium.org [Wed, 27 Jan 2010 16:18:58 +0000 (16:18 +0000)]
Fix 64-bit build on Windows and Visual Studio project files

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

14 years agoRefactor the selection of code generator and add the possibility of a
kmillikin@chromium.org [Wed, 27 Jan 2010 15:23:48 +0000 (15:23 +0000)]
Refactor the selection of code generator and add the possibility of a
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

14 years agoRefactor Reference so that SetValue and GetValue pop the reference state.
whesse@chromium.org [Wed, 27 Jan 2010 14:07:12 +0000 (14:07 +0000)]
Refactor Reference so that SetValue and GetValue pop the reference state.
Review URL: http://codereview.chromium.org/487017

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

14 years agoChanged JSObject::DefineGetterSetter to also set the right attributes
ricow@chromium.org [Wed, 27 Jan 2010 13:53:19 +0000 (13:53 +0000)]
Changed JSObject::DefineGetterSetter to also set the right attributes
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

14 years agoSet iIsExtensible to true as default in the map.
ricow@chromium.org [Wed, 27 Jan 2010 13:51:04 +0000 (13:51 +0000)]
Set iIsExtensible to true as default in the map.

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

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

14 years agoPort code to load an integer directly from a heap number from ia32 to x64.
ager@chromium.org [Wed, 27 Jan 2010 13:34:29 +0000 (13:34 +0000)]
Port code to load an integer directly from a heap number from ia32 to x64.

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

14 years agoEnable references and assignments to lookup slots in the toplevel code
kmillikin@chromium.org [Wed, 27 Jan 2010 12:14:26 +0000 (12:14 +0000)]
Enable references and assignments to lookup slots in the toplevel code
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

14 years agoMove heap numbers directly to VFP3 registers in comparison stub.
whesse@chromium.org [Wed, 27 Jan 2010 12:13:32 +0000 (12:13 +0000)]
Move heap numbers directly to VFP3 registers in comparison stub.
Review URL: http://codereview.chromium.org/556020

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

14 years agoAdd counters for the different code generators.
erik.corry@gmail.com [Wed, 27 Jan 2010 11:08:32 +0000 (11:08 +0000)]
Add counters for the different code generators.
Review URL: http://codereview.chromium.org/552184

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

14 years agoAnother step on the way to context snapshots. We can now refer to
erik.corry@gmail.com [Wed, 27 Jan 2010 08:25:48 +0000 (08:25 +0000)]
Another step on the way to context snapshots.  We can now refer to
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

14 years agoRefactoring and small optimization of the smi code for binary op stubs
kmillikin@chromium.org [Tue, 26 Jan 2010 14:43:40 +0000 (14:43 +0000)]
Refactoring and small optimization of the smi code for binary op stubs
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