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Author SHA1 Message Date
yangguo@chromium.org
048b86d697 Log event start and event end separately when using --log-timer-events. 
R=haraken@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12040075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13529 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:55:40 +00:00
verwaest@chromium.org
6953861e2f MIPS: Replace store array length builtin with codestub. 
Port r13506 (0d666576)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12077009
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13528 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:37:32 +00:00
svenpanne@chromium.org
8a86ce7ef6 Do not duplicate the compilation pipeline for stub compilation. 
The previous duplication is quite bad from an architectural point of
view. Furthermore, it messes up the output of --hydrogen-stats.

As remarked in a comment, there is still more unification work to do, but at
least this CL is a step in the right direction...

Review URL: https://codereview.chromium.org/12091016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13527 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:24:41 +00:00
verwaest@chromium.org
c8636a2809 Do not try to collect the map if the monomorphic IC stub has no map. 
This is necessary for monomorphic stubs that rely on instance types,
such as ArrayLength, StringLength and FunctionPrototype.

BUG=chromium:172345

Review URL: https://chromiumcodereview.appspot.com/12082023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13526 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:19:53 +00:00
ulan@chromium.org
fe0582c262 Put making embedded maps in optimized code weak behind a flag. 
Disable the flag by default because of Chrome crashes.

BUG=172488,172489
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12091018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13523 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 10:25:38 +00:00
mstarzinger@chromium.org
fe8e97798e Allow inlining of multiple closures from shared function. 
This allows Crankshaft to allow inlining of multiple different closures
that were all derived from the same shared function info. This pattern
appears when libraries provide generic closures that are used over and
over again at different call-sites.

R=jkummerow@chromium.org
TEST=mjsunit/compiler/inline-closures

Review URL: https://codereview.chromium.org/12071002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13522 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 16:55:00 +00:00
yangguo@chromium.org
5681ef6fee Actually increment queue length for parallel recompile queue. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12039088

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13521 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 15:54:19 +00:00
svenpanne@chromium.org
47d2fa5c51 Slightly improved Hydrogen stats output for long-running compilations. 
Replaced a scary pointer comparison by strcmp on the way.

Review URL: https://codereview.chromium.org/12035101

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13510 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 13:55:02 +00:00
mvstanton@chromium.org
fa06b21e2b Prepare push to trunk. Now working on version 3.16.11. 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12049086

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13507 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 13:24:13 +00:00
verwaest@chromium.org
09d6eccaff Replace store array length builtin with codestub. 
Also includes some other minor cleanup to make Keyed related IC code
more uniform.

Review URL: https://chromiumcodereview.appspot.com/11896091

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13506 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 11:55:29 +00:00
svenpanne@chromium.org
b5cb682be6 Avoid excessive memory usage during redundant phi elimination. 
Basically, the work list for the fixed point iteration has been removed.

BUG=v8:2510

Review URL: https://codereview.chromium.org/12052075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13505 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 11:51:48 +00:00
yangguo@chromium.org
24ec13cbd2 Fix additional spec violations wrt RegExp.lastIndex. 
R=svenpanne@chromium.org
BUG=v8:2437

Review URL: https://chromiumcodereview.appspot.com/12033099

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13504 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 10:53:26 +00:00
verwaest@chromium.org
2d566c719a Merge UpdateStoreCaches into a single function dispatching on ComputeStoreMonorphic and UpdateMegamorphicCache. 
Review URL: https://chromiumcodereview.appspot.com/12057003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13503 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 10:34:17 +00:00
svenpanne@chromium.org
a7e88a3435 Unbreak build (offsetof only works for POD types) 
TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/12040094

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13502 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 08:54:11 +00:00
svenpanne@chromium.org
52d10a68cb Add Isolate parameter to Persistent class. 
BUG=v8:2487

Review URL: https://codereview.chromium.org/12033011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 08:31:46 +00:00
mstarzinger@chromium.org
44ffa0dcd3 Allow monomorphic loads when static type is known. 
This allows Crankshaft to generate monomorphic loads when the receiver
type is statically known even though the load site has polymorphic type
feedback. This applies to inlined constructor calls and literals.

R=jkummerow@chromium.org
TEST=mjsunit/compiler/property-static

Review URL: https://codereview.chromium.org/12051058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13500 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 17:54:30 +00:00
yangguo@chromium.org
04c8093fe1 Prepare push to trunk. Now working on version 3.16.10. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12047084

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13497 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 16:29:54 +00:00
mstarzinger@chromium.org
c8cf5d90aa Implement VisitHandlesInNewSpaceWithClassIds() 
BUG=
TEST=test-api.cc::PersistentHandleInNewSpaceVisitor

Review URL: https://codereview.chromium.org/11365131
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:53:16 +00:00
danno@chromium.org
63ec79a4a4 Revert r13494: "Use MemoryChunk-based allocation for deoptimization entry code" 
This patch seems to cause crashes on Windows.

TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12049069

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:48:07 +00:00
danno@chromium.org
de17ce7701 Use MemoryChunk-based allocation for deoptimization entry code 
This is done by first committing the deoptimization entry code with a minimal
area size (OS::CommitPageSize) and later using CommitArea to adjust the size.

Review URL: https://codereview.chromium.org/11566011
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13494 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:14:33 +00:00
danno@chromium.org
3c52343738 Fix bug in edge case in populating PointerMaps 
If a live range was split immediately before an instruction that required a
safe-point pointer map, it was possible for the safe-point to incorrectly use the
register/stack slot information of the preceeding live range rather than the one
that actually covers the safe-point.

R=mstarzinger@chromium.org,vegorov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12040052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13493 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:05:38 +00:00
verwaest@chromium.org
dd92c41aa1 Merge UpdateLoadCaches into a single function dispatching on 
ComputeLoadMonorphic and UpdateMegamorphicCache.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13492 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 13:02:45 +00:00
mstarzinger@chromium.org
ef4d9d1245 Fix map check removal issue in r13488. 
The removal of HCheckMaps is invalid when the instruction has a virtual
usage, which can happen e.g. for HLoadElements or HJSArrayLength.

R=jkummerow@chromium.org
TEST=webkit:fast/js/regress/Float32Array-matrix-mult.html

Review URL: https://codereview.chromium.org/12033073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13491 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 12:35:56 +00:00
ulan@chromium.org
e6224d275f Make embedded maps in optimized code weak. 
Each map has a weak array of dependent codes, where the map tracks all the optimized codes that embed it.
Old space GC either clears the dead dependent codes from the array if the corresponding map is alive or deoptimizes the live dependent codes if the map is dead.

BUG=v8:2073
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11575007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 11:55:05 +00:00
hpayer@chromium.org
c500efe14d Force inlining of object visiting functions. 
BUG=

Review URL: https://codereview.chromium.org/12049033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13489 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 09:40:57 +00:00
mstarzinger@chromium.org
1d124f0a75 Allow removal of obsolete map checks after transitions. 
This allows side effect dominator tracking to remove map checks that are
dominated by a single HStoreNamedField that performs a transition on the
same object. A similar trick could be applied to HAllocateObject.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12035026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13488 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 09:10:06 +00:00
yangguo@chromium.org
c14b9b3703 Fix --hydrogen-stats. 
V8 crashes with this flag when trying to compile hydrogen stubs.

R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12045048

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13487 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 08:39:35 +00:00
yurys@chromium.org
250023a68d Implicit references are missing in heap profiles 
Review URL: https://codereview.chromium.org/11953043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13486 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 07:54:40 +00:00
verwaest@chromium.org
56adca9cc9 Ensure a type-error is thrown when trying to assign to a readonly property on the global scope. 
Review URL: https://chromiumcodereview.appspot.com/11953056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 17:27:25 +00:00
ulan@chromium.org
bed569b548 ARM: Make use of d16-d31 when available. 
Review URL: https://chromiumcodereview.appspot.com/11428137
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13484 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 16:29:48 +00:00
mstarzinger@chromium.org
cd21056819 Fix corner case when JSFunction is evicted from flusher. 
This fixes a corner case that happens when JSFunctions are enqueued as
code flushing candidates but their respective SharedFunctionInfo isn't.
If the JSFunction gets evicted due to optimization the code slot in the
SharedFunctionInfo will never be recorded in the slots buffer.

R=hpayer@chromium.org
BUG=chromium:168801
TEST=cctest/test-heap/Regress168801

Review URL: https://codereview.chromium.org/11896064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13481 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 16:15:15 +00:00
verwaest@chromium.org
c1e44f133d Always fail when trying to store to an undeclared global variable, even if it was found. 
Finding a property, but not using an IC, indicates that the variable was
found on the prototype (in DOMWindow). Those properties need to be
ignored while storing global properties via the IC.

Review URL: https://chromiumcodereview.appspot.com/12040039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13480 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 16:04:19 +00:00
ulan@chromium.org
d29826544e Correctly set kCanBeDivByZero flag for HMathFloorOfDiv. 
After r13289 the divisor can be non-constant, so we should check for zero.

BUG=171641
R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12047050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13479 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 15:58:49 +00:00
verwaest@chromium.org
e086746ed7 Move polymorphic stub computation and compilation to stub cache 
Review URL: https://chromiumcodereview.appspot.com/11953025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13478 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 15:35:43 +00:00
yangguo@chromium.org
2f36a51872 MIPS: Avoid handle dereference during graph optimization. 
Port r13475 (0076e1ee)

Original commit message:
With parallel recompilation enabled, objects made accessible by handles may
have changed between graph construction and graph optimization. Therefore
we must not assume that information on those objects remain the same between
those two phases. To police this, we forbid handle dereferencing during
graph optimization.
Exceptions to this rule are:
 - Dereferencing the handle to obtain the raw location of the object. This
   is safe since parallel recompilation acquires RelocationLock
 - Some places that dereference the handle for a type check. These are checked
   to be safe on a case-by-case basis.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12049037
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13477 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 15:25:28 +00:00
yangguo@chromium.org
3fcbb8f1d0 MIPS: Make HCheckPrototypeMaps compatible with parallel recompilation. 
Port r13454 (2c0dd0ff)

Original commit message:
HCheckPrototypeMaps currently records the prototype and the holder of the
prototype chain (both ends of the chain) and assumes that the chain elements
and their maps did not change in during the entirety of Crankshaft. The actual
traversal of the prototype chain happens in Lithium at code generation.
With parallel compilation, this assumption is not longer correct.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12036030
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13476 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 14:01:11 +00:00
yangguo@chromium.org
3c22524119 Avoid handle dereference during graph optimization. 
With parallel recompilation enabled, objects made accessible by handles may
have changed between graph construction and graph optimization. Therefore
we must not assume that information on those objects remain the same between
those two phases. To police this, we forbid handle dereferencing during
graph optimization.
Exceptions to this rule are:
 - Dereferencing the handle to obtain the raw location of the object. This
   is safe since parallel recompilation acquires RelocationLock
 - Some places that dereference the handle for a type check. These are checked
   to be safe on a case-by-case basis.

R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12049012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13475 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 13:52:00 +00:00
mvstanton@chromium.org
b129200169 Prepare push to trunk. Now working on version 3.16.9. 
R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11896061

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 13:40:51 +00:00
yangguo@chromium.org
9296975c04 Correctly reset lastIndex in an RegExp object. 
R=svenpanne@chromium.org
BUG=170856

Review URL: https://chromiumcodereview.appspot.com/11896060

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13471 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 12:28:16 +00:00
svenpanne@chromium.org
8404f71d14 Added a workaround for Windows compilation problems related to V8EXPORT. 
The underlying problem is a bit unclear, but at least this CL makes VS happy.

BUG=v8:2507

Review URL: https://codereview.chromium.org/12039037

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13470 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 12:04:55 +00:00
jkummerow@chromium.org
5318c181cf tools/run-tests.py: shlex.split() the value of --command-prefix 
BUG=171553

Review URL: https://codereview.chromium.org/12049034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13469 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 11:41:56 +00:00
verwaest@chromium.org
c00d46712b MIPS: Migrate FunctionPrototype (Keyed|Named)LoadIC to CodeStub 
Port r13459 (491896eb)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12049015
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13468 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 10:05:08 +00:00
verwaest@chromium.org
84e8ca1679 MIPS: Migrate ArrayLength (Keyed|Named)LoadIC to CodeStub 
Port r13458 (e8729cf9)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12052011
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13467 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 10:02:48 +00:00
verwaest@chromium.org
073ab01dbd MIPS: Replace special IC builtins and stubs in the map's cache by codestubs. 
Port r13453 (94525069)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12051014
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-23 09:45:48 +00:00
mvstanton@chromium.org
a3de98b4a7 MIPS: Incorrect ARM assembly in MacroAssembler::TestJSArrayForAllocationSiteInfo 
Port r13462 (74f0ddf6)

Original commit message:
Incorrect ARM assembly in MacroAssembler::TestJSArrayForAllocationSiteInfo Restored test code in allocation-site-info.js that was failing on ARM because of this bug.

BUG=
TEST=

Review URL: https://codereview.chromium.org/11896037
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13465 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-22 16:18:59 +00:00
ulan@chromium.org
79a0e3b017 Fix pattern detection for replacing shifts by rotation. 
BUG=2499
R=svenpanne@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12047015
Patch from Hirofumi Mako <mkhrfm@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-22 13:55:22 +00:00
mstarzinger@chromium.org
f8d5260af7 Allow loading constant function from proto chain. 
This enables Crankshaft to use HConstant for loading constant functions
on the prototype chain when building a monomorphic load. This pattern
appears in several JavaScript frameworks.

R=svenpanne@chromium.org
TEST=mjsunit/compiler/proto-chain-constant

Review URL: https://codereview.chromium.org/12052008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13463 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-22 12:03:35 +00:00
mvstanton@chromium.org
90d0f18007 Incorrect ARM assembly in MacroAssembler::TestJSArrayForAllocationSiteInfo 
Restored test code in allocation-site-info.js that was failing on ARM because of this bug.

BUG=

Review URL: https://codereview.chromium.org/12045017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-22 10:49:23 +00:00
verwaest@chromium.org
2c070e2300 Merge Store from Keyed and Named store. 
Review URL: https://chromiumcodereview.appspot.com/12036017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13461 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-22 09:48:59 +00:00
verwaest@chromium.org
3ffcbe3319 Merge Load from Keyed|Named load code. 
Review URL: https://chromiumcodereview.appspot.com/12038012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13460 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-22 09:35:14 +00:00