Avoid visiting the subexpressions of a variable that rewrites to a property
when occurring as the 'left-hand side' of for/in.

BUG=v8:1149

Review URL: http://codereview.chromium.org/6475009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6772 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

x64: Implement DoArgumentsElements, DoNumberUntagD, DoArgumentsLength,
DoAccessArgumentsAt, DoStringLength in lithium x64 backend.

Fix a bug in DoConstantD where only 32-bits of a double was loaded to
an xmm register.

Review URL: http://codereview.chromium.org/6474039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6771 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Remove a failing test expectation from mjsunit.status.

Review URL: http://codereview.chromium.org/6410029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6770 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6515010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6767 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

The current version uses SetObjectProperty which will not set the
value in case this is a readonly property. The spec explictly says
that a configurable but non writable property can have its value
changed with Object.defineProperty (because the same thing can be
accomplished by doing 3 calls (set writable to true, update the value,
set writable to false).


Review URL: http://codereview.chromium.org/6518004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6766 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6518003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6765 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6484030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6764 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6513008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6763 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

We do not currently handle the case where the JSGlobalProxy is passed
as argument to LocalKeys in runtime.cc.

Review URL: http://codereview.chromium.org/6516008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=sgjesse@chromium.org
Review URL: http://codereview.chromium.org/6484025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6761 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Strict mode assignment to undefined reference.
Simple assignments (x = <value>) use CODE_TARGET_CONTEXT.
StoreIC stores its own strictness in extra_ic_state.
The strcitness is propagated as further ic stubs are generated.

Details:
* ReferenceError on assignment to non-resolvable reference in strict mode.
* Fix es5conform test expectation file.
* Add es5conform test suite into .gitignore.
* Fix Xcode project.
* Change implemented in virtual frame code generator, as well as full-codegen
  for all architectures.
* Fix debugger test.
* Fix comment for CODE_TARGET_CONTEXT
* Implement remaining StoreIC stubs to be strict mode aware.
* Trace extra_ic_state() for ic code stubs.

Code Review URL: http://codereview.chromium.org/6474026/

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6760 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This patch also adds platform independent CPU instruction cache flushing.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6410029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6759 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6460034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6758 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Need to investigate.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6757 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Strict mode assignment to undefined reference.
Simple assignments (x = <value>) use CODE_TARGET_CONTEXT.
StoreIC stores its own strictness in extra_ic_state.
The strcitness is propagated as further ic stubs are generated.

Details:
* ReferenceError on assignment to non-resolvable reference in strict mode.
* Fix es5conform test expectation file.
* Add es5conform test suite into .gitignore.
* Fix Xcode project.
* Change implemented in virtual frame code generator, as well as full-codegen
  for all architectures.
* Fix debugger test.
* Fix comment for CODE_TARGET_CONTEXT
* Implement remaining StoreIC stubs to be strict mode aware.
* Trace extra_ic_state() for ic code stubs.

Code Review URL: http://codereview.chromium.org/6474026/

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

I'm seeing some crashes after this change which I need to investigate.

Review URL: http://codereview.chromium.org/6486033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6755 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:1132
TEST=test/mjsunit/regress/regress-1132.js

Review URL: http://codereview.chromium.org/6487021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6754 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

value for Math.LOG10E
Review URL: http://codereview.chromium.org/6489027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6753 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6485025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6752 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Before, Hydrogen call instructions had uses of the PushArgument instructions
for their arguments.  These operands were unneeded, bloated the IR, and
caused calls to be the only Hydrogen instructions with an unpredictable
number of operands.

Now, PushArgument is a pure side-effecting instruction that has no uses.

Review URL: http://codereview.chromium.org/6480030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6749 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This change introduces an instruction for negation instead
of generating a multiplication with -1.

The code for x64 and ARM is not included in this change.


Review URL: http://codereview.chromium.org/6461021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6748 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6489028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6747 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Before, an attempt to delete a parameter in a function that used the
arguments object in any way would succeed with true and delete both
the parameter and the corresponding arguments object property.

Now, an attempt to delete such a parameter does not delete and
evaluates to false.

Parameters can be deleted, as before, from functions that use the
arguments object, by deleting the corresponding arguments object
property (this is a spec violation).

BUG=fixes v8:1136

Review URL: http://codereview.chromium.org/6484023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

There were a couple of bug fixes to this code on IA32 which have not yet
been ported to ARM.  They are: failure to correctly handle non-JSObject
receivers and failure to restore the context register after calling JS code.

Review URL: http://codereview.chromium.org/6479019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6744 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6486028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

It's not generally safe to decide to delay the evaluation of an expression
with side effects until it is used.

BUG=v8:1138

Review URL: http://codereview.chromium.org/6474035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6742 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6471023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6737 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR: ager



git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6736 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8::1129
TEST=test/mjsunit/regress/regress-1129.js

Review URL: http://codereview.chromium.org/6476027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6471025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6734 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

I discussed with Soeren, and they do need this on arm as well.

Review URL: http://codereview.chromium.org/6478029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6733 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This fixes GC issues when in the threading tests.


Review URL: http://codereview.chromium.org/6478026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6732 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This should fix the flaky cctest failure on the debug run of x64 with
crankshaft enabled.

Review URL: http://codereview.chromium.org/6480032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6731 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

In the presence of JS accessors for elements on Object.prototype JSArray::SetFastElement
may throw or its behaviour can be altered.  Instead operate on plain FixedArrays and
turn them into JSArry later.

BUG=v8:1130
TEST=test/mjsunit/regress/regress-1130.js

Review URL: http://codereview.chromium.org/6481001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6730 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6480003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6729 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Do not do standard property lookup on hidden properties object as it might
reach Object.prototype which can be altered to forge identity hashes.
Instead do only local lookup.

Review URL: http://codereview.chromium.org/6472001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6728 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

In the case where the function is not found in the global object,
we have to generate a generic call.

BUG=v8:1106
TEST=mjsunit/regress/regress-1106.js

Review URL: http://codereview.chromium.org/6483010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6727 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:1131
TEST=test/mjsunit/regress/regress-1131.js

Review URL: http://codereview.chromium.org/6469006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6726 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/6410112

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6725 ce2b1a6d-e550-0410-aec6-3dcde31c8c00