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2606 Commits

Author SHA1 Message Date
yangguo@chromium.org
285f253af1 Remove outdated assertion scope. 
R=jkummerow@chromium.org
BUG=349870
LOG=N

Review URL: https://codereview.chromium.org/182003004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-06 11:51:53 +00:00
yangguo@chromium.org
e2e2f4050d Fix issues with JSON stringify replacer array 
If the replacer array contains a property key we should include the
property even if the property is non enumerable or if it is a non own
property.

String and Number wrappers in the replacer array should be treated as
string and number values.

R=yangguo@chromium.org
BUG=v8:3200, v8:3201
LOG=Y

Review URL: https://codereview.chromium.org/187053003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19685 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-06 09:50:53 +00:00
verwaest@chromium.org
7bf33c53eb Use Representation::Integer32() for smi types on 32-bit-tagged systems. 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/187353005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19684 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-06 09:49:10 +00:00
verwaest@chromium.org
f913c3b492 Also delete force representations that have no uses. 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/187773002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19683 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-06 09:47:27 +00:00
jarin@chromium.org
52fd520c96 Fix materialization of captured objects in adapted arguments. 
R=mstarzinger@chromium.org
BUG=348512
LOG=N

Review URL: https://codereview.chromium.org/183063006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19676 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-05 12:57:18 +00:00
jarin@chromium.org
7ac668f753 Deoptimization fix for HPushArgument. 
HPushArgument should never be used in a simulation environment
because the slot addresses for the arguments can be off (e.g.,
due to on-stack arguments object of an inlined caller).

R=mstarzinger@chromium.org
BUG=v8:3183
LOG=N

Review URL: https://codereview.chromium.org/178193026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19675 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-05 12:45:46 +00:00
yangguo@chromium.org
26e4f4cc1c Handle exception when retrieving toJSON function in JSON.stringify. 
R=mvstanton@chromium.org
BUG=349335
LOG=N

Review URL: https://codereview.chromium.org/187603002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19670 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-05 10:54:35 +00:00
jkummerow@chromium.org
3df5573195 x64: Fix LMathMinMax for constant Smi right-hand operands 
BUG=chromium:349079
LOG=y
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/186593003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19668 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-05 09:49:07 +00:00
mstarzinger@chromium.org
ee8cbc4fc8 Fix issue with setting __proto__ on a value 
LOG=N
BUG=v8:3172
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/174113003

Patch from Erik Arvidsson <arv@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19666 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-05 08:58:38 +00:00
verwaest@chromium.org
1aeaeb2b90 Allow objects with "" properties to stay fast. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/184453003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19648 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-04 12:43:05 +00:00
yangguo@chromium.org
b1a271a02c Fix HCheckValue::Canonicalize wrt uninitialized HConstant unique. 
R=titzer@chromium.org
BUG=348280
LOG=N

Review URL: https://codereview.chromium.org/183383006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19642 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-04 08:08:08 +00:00
ulan@chromium.org
b9e0b87a5a Clear optimized code cache in shared function info when code gets deoptimized. 
This adds a pointer to the shared function info into deoptimization data of an optimized code. Whenever the code is deoptimized, it clears the cache in the shared function info.

This fixes the problem when the optimized function dies in new space GC before the code is deoptimized due to code dependency and before the optimized code cache is cleared in old space GC (see mjsunit/regress/regress-343609.js).

This partially reverts r19603 because we need to be able to evict specific code from the optimized code cache.

BUG=343609
LOG=Y
TEST=mjsunit/regress/regress-343609.js
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/184923002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19635 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-03 11:11:39 +00:00
rossberg@chromium.org
5543263c19 Move all Harmony-only tests to harmony/ 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/178583005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19622 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 14:26:32 +00:00
ishell@chromium.org
c2601aea8a Check elimination did not mark some dead blocks. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/180483003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19619 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 14:16:38 +00:00
svenpanne@chromium.org
e9273332ef Fixed constant folding for Math.clz32. 
LOG=y
BUG=347906
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/184353002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19609 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 13:07:10 +00:00
jochen@chromium.org
ba981e58d5 Make a64.release a quickcheck target 
I marked all tests as slow that take more than a minute on my machine.
With this, a64.release.quickcheck takes two minutes which is about as
fast as arm.optdebug.quickcheck.

BUG=none
R=ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/183763008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19608 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 12:46:13 +00:00
mvstanton@chromium.org
b1ffc7901f A JSArray may have a filler map in the elements pointer. 
We already have code that expects this, but incorrectly asserted that the
filler map case would never happen when allocation folding is turned on.
However, even folding has it's limits, bailing out of continued folding
when the object size grows too large. Therefore, it's a general problem
when verifying JSArray objects, that we might encounter a filler map
in elements().

Discovered by ClusterFuzz crbug 347903.

R=hpayer@chromium.org
LOG=N
BUG=347903

Review URL: https://codereview.chromium.org/184493002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19604 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 12:29:19 +00:00
yangguo@chromium.org
5c186bb197 Evict from optimized code map in sync with removing from optimized functions list. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/184443002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19603 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 12:27:31 +00:00
bmeurer@chromium.org
70242fe3bb Fix JSObject::PrintTransitions. 
BUG=347912
LOG=y
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/183683005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 11:41:07 +00:00
hpayer@chromium.org
38ca2629be Fix representation generalization for doubles. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/184393002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19599 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 11:07:10 +00:00
dcarney@chromium.org
98d1cedac4 Get array_function from NativeContext 
R=mvstanton@chromium.org
LOG=N
BUG=347528

Review URL: https://codereview.chromium.org/184173003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19595 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 10:01:27 +00:00
bmeurer@chromium.org
5945f9ebb9 Fix handling of constant global variable assignments. 
BUG=347904
LOG=y
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/184303003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19594 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 09:40:12 +00:00
svenpanne@chromium.org
c4e90c15b8 Removed bogus ASSERT. 
LOG=y
BUG=347542
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/183763007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19592 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-28 08:45:07 +00:00
ishell@chromium.org
2ab83cf192 HAllocate should never generate allocation code if the requested size does not fit into page. Regression test included. 
BUG=347543
LOG=N
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/180803005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19591 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-27 17:33:25 +00:00
rafaelw@chromium.org
d9a66ad941 Runtime::RunMicrotask should silent return if no pending microtask work (rather than asserting) 
R=rossberg@chromium.org, rossberg
BUG=347532

Review URL: https://codereview.chromium.org/181013008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-27 16:49:55 +00:00
verwaest@chromium.org
aa14020bc7 Fix putting of prototype transitions. The length is also subject to GC, just like entry. 
BUG=347536
LOG=n
R=danno@chromium.org

Review URL: https://codereview.chromium.org/183193003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-27 16:07:44 +00:00
jarin@chromium.org
05b98492a4 Handle arguments objects in frame when materializing arguments 
R=mstarzinger@chromium.org
BUG=347262

Review URL: https://codereview.chromium.org/177293009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19584 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-27 15:12:12 +00:00
yangguo@chromium.org
6912a248ca Fix bogus assertion in SetFastDoubleElements. 
R=danno@chromium.org
BUG=347530
LOG=N

Review URL: https://codereview.chromium.org/181433016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19579 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-27 14:45:53 +00:00
mvstanton@chromium.org
b8f8cfabca Fix for Clusterfuzz issue 343928. 
The problem was that the debugger didn't expect that a JSFunction could
have a GlobalContext, which it can with harmony scoping.

BUG=343928
R=yangguo@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/183103003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19576 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-27 13:25:05 +00:00
ishell@chromium.org
1ae7e8a1e5 Fix for failing asserts in HBoundsCheck code generation on x64: index register should be zero extended. 
BUG=345820
LOG=N
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/180013002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19549 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 16:33:54 +00:00
verwaest@chromium.org
d5caecccc5 Revert "Use stability to only conditionally flush information from the CheckMaps table." 
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/180023002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19548 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 16:11:58 +00:00
jkummerow@chromium.org
e7e93cd433 Mark HCompareMap as having Tagged representation 
BUG=chromium:346636
LOG=y
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/176923013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19545 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 15:09:47 +00:00
rossberg@chromium.org
63f1970c6c Fix crasher in Object.getOwnPropertySymbols 
R=arv@chromium.org, mstarzinger@chromium.org
BUG=346141
LOG=Y

Review URL: https://codereview.chromium.org/177883002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19539 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 12:01:34 +00:00
bmeurer@chromium.org
77f597d387 Don't eliminate loads with incompatible types or representations. 
BUG=346343
LOG=y
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/179553002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19536 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 09:55:50 +00:00
ishell@chromium.org
6c1659becf Fix for a smi stores optimization on x64 with a regression test. 
BUG=345715
LOG=N
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/178833002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19535 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 09:55:02 +00:00
dcarney@chromium.org
cb05cff594 negative bounds checking on realm calls 
R=rossberg@chromium.org

LOG=N

BUG=344285

Review URL: https://codereview.chromium.org/169393002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19533 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 09:15:05 +00:00
jkummerow@chromium.org
37b6fd07c1 Fix optimistic BCE to back off after deopt 
BUG=v8:3176
LOG=n
R=danno@chromium.org

Review URL: https://codereview.chromium.org/177523002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19530 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-24 13:15:31 +00:00
verwaest@chromium.org
84b366516e Don't turn objects with empty-string properties into fast-mode. 
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/165743003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19511 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-20 16:11:48 +00:00
rossberg@chromium.org
0d34254f8d Upgrade Symbol implementation to match current ES6 behavior. 
Refresh the implementation of Symbols to catch up with what the
specification now mandates:

* The global Symbol() function manufactures new Symbol values,
  optionally with a string description attached.

* Invoking Symbol() as a constructor will now throw.

* ToString() over Symbol values still throws, and
  Object.prototype.toString() stringifies like before.

* A Symbol value is wrapped in a Symbol object either implicitly if
  it is the receiver, or explicitly done via Object(symbolValue) or
  (new Object(symbolValue).)

* The Symbol.prototype.toString() method no longer throws on Symbol
  wrapper objects (nor Symbol values.) Ditto for Symbol.prototype.valueOf().

* Symbol.prototype.toString() stringifies as "Symbol("<description>"),
  valueOf() returns the wrapper's Symbol value.

* ToPrimitive() over Symbol wrapper objects now throws.

Overall, this provides a stricter separation between Symbol values and
wrapper objects than before, and the explicit fetching out of the
description (nee name) via the "name" property is no longer supported
(by the spec nor the implementation.)

Adjusted existing Symbol test files to fit current, adding some extra
tests for new/changed behavior.

LOG=N
R=arv@chromium.org, rossberg@chromium.org, arv, rossberg
BUG=v8:3053

Review URL: https://codereview.chromium.org/118553003

Patch from Sigbjorn Finne <sigbjornf@opera.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 14:19:42 +00:00
yangguo@chromium.org
139134acc2 Harmony: optimize Math.clz32. 
R=svenpanne@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/172133003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19487 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 13:51:49 +00:00
yangguo@chromium.org
84cf85598d Harmony: implement Math.cbrt, Math.expm1 and Math.log1p. 
BUG=v8:2938
LOG=N
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/163563003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19486 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 13:49:59 +00:00
ishell@chromium.org
1342cb8b00 Bugfix in check elimination with a regression test. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/172173003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19481 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 12:34:50 +00:00
rossberg@chromium.org
13d99fe778 ES6: Tighten up Object.prototype.__proto__ 
The spec requires that we throw under certain conditions.

BUG=v8:3064
LOG=y
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/103853006

Patch from Erik Arvidsson <arv@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19479 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 11:59:05 +00:00
jkummerow@chromium.org
6e3b81a7b2 Fix Hydrogen bounds check elimination 
When combining bounds checks, they must all be moved before the first load/store
that they are guarding.

BUG=chromium:344186
LOG=y
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/172093002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19475 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 10:30:39 +00:00
alexandre.rames@arm.com
62116e2c12 A64: Let the MacroAssembler resolve branches to distant targets. 
Code generation would fail when assembling a branch to a label that is bound
outside the immediate range of the instruction. A64 is sensitive to this, as the
various branching instructions have different ranges, going down to +-32KB for
TBZ/TBNZ.  The MacroAssembler is augmented to handle branches to targets that
may exceed the immediate range of instructions.

When branching backward to a label exceeding the instruction range, the
MacroAssembler can simply tweak the generated code to use an unconditional
branch with a longer range. For example instead of
    B(cond, &label);
the MacroAssembler can generate:
    b(InvertCondition(cond), &done);
    b(&label);
    bind(&done);

Since the target is not known when the branch is emitted, forward branches uses
a different mechanism. The MacroAssembler keeps track of forward branches to
unbound labels. When the code generation approaches the end of the range of a
branch, a veneer is generated for the branch.

BUG=v8:3148
LOG=Y
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/169893002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:15:32 +00:00
verwaest@chromium.org
60c08a8bf2 Directly store the transition target on LookupResult in TransitionResult. 
BUG=chromium:343964
LOG=N
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/170343003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19440 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 12:19:32 +00:00
yangguo@chromium.org
be7b023a5c Harmony: implement Math.clz32 
R=dslomov@chromium.org, svenpanne@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/169783002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19435 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:49:35 +00:00
svenpanne@chromium.org
dbce27047e Fixed and improved code for integral division. Fixed and extended tests. 
Arithmetic right shifting is *not* division in two's complement
representation, only in one's complement. So we convert to one's
complement, shift, and go back to two's complement. By permutating the
last steps, one can get efficient branch-free code. This insight comes
from the paleozoic era of computer science, see the paper from 1976:

   Guy Lewis Steele Jr.: "Arithmetic Shifting Considered Harmful"
   ftp://publications.ai.mit.edu/ai-publications/pdf/AIM-378.pdf

This results in better and more correct code than our previous
"neg/shift/neg" dance.

LOG=y
BUG=v8:3151
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/166793002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19434 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:45:27 +00:00
yangguo@chromium.org
9ffe004ae4 Harmony: implement Math.fround. 
R=jarin@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/169513002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19433 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:43:06 +00:00
mvstanton@chromium.org
8bcdbc354f Revert "Add a premonomorphic state to the call target cache." 
This reverts commit r19402

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/169713002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19412 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-17 14:22:18 +00:00