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2347 Commits

Author SHA1 Message Date
mstarzinger@chromium.org
e146b6e148 Fix replaying of captured objects during chunk building. 
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/22819011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16334 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-26 16:43:19 +00:00
jkummerow@chromium.org
11fd577261 Lower kInitialMaxFastElementArray constant to 95K 
to work around erroneous "illegal access" error on x64.

BUG=v8:2790
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/22877039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16324 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-26 13:04:05 +00:00
mvstanton@chromium.org
c9591f005e Store mode for keyed stores should be passed in from type feedback 
regardless of the map used in polymorphic stores.

BUG=
R=jkummerow@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/21058003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16323 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-26 12:28:08 +00:00
dcarney@chromium.org
ad9cc8e716 js accessor creation on Template 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/22903012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16321 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-26 11:59:14 +00:00
jochen@chromium.org
885c88e4d5 Fix mjsunit/debug-script after r16298 
TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/23102015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16303 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-23 13:45:24 +00:00
jochen@chromium.org
064c91be57 Snapshot i18n Javascript code 
BUG=v8:2745
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23304005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16298 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-23 13:24:48 +00:00
jochen@chromium.org
de7352db92 Temporarily disable optimization for StringWrappers to use native valueOf 
V8 stores this information directly in the map of the wrapper, however,
it is not invalidated when the prototype of the wrapper is changed, so
once the bit is set, it is no longer possible to override valueOf.

This bug is currently hidden in Chrome since the i18n extension always
modifies the String.prototype, and so the optimization never kicks in.
Disabling the optimization temporarily allows for snapshotting i18n now.

BUG=v8:2855
R=yangguo@chromium.org
TEST=mjsunit/regress/regress-2855.js

Review URL: https://codereview.chromium.org/23060030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16292 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-23 11:31:18 +00:00
rossberg@chromium.org
971df386b3 Fix scoping of function declarations in eval inside non-trivial local scope 
R=mstarzinger@chromium.org
BUG=v8:2594

Review URL: https://codereview.chromium.org/22901010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16286 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-23 09:25:37 +00:00
yangguo@chromium.org
be48c5ae26 Rename "parallel recompilation" to "concurrent recompilation". 
Also introduced macros for flag aliases for temporary backwards compatibility.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23014007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 16:14:37 +00:00
mstarzinger@chromium.org
0ecd03ab4c Fix hidden properties on object with frozen prototype. 
This fixes a corner-case where a frozen prototype with existing hidden
properties might prevent setting hidden properties on another object.

R=rossberg@chromium.org
BUG=v8:2829

Review URL: https://codereview.chromium.org/22799021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16276 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 13:51:32 +00:00
titzer@chromium.org
6f3169e571 Fix deoptimization bug, where recursive call can frighten and confuse the unwitting, simple, poor caveman that is Runtime_NotifyDeoptimized. 
BUG=274164
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23201016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16273 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 13:03:40 +00:00
verwaest@chromium.org
eb6cbe1486 Never clear debug-stub call ICs. Make a clear distinction between is_debug_stub 
used everywhere but the debugger, and IsDebugBreak, used by the debugger.

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23361014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16269 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 12:16:00 +00:00
jkummerow@chromium.org
e814a9b96b Fix "Hole" leak in TryBuildConsolidatedElementLoad 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23361007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16262 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 15:31:03 +00:00
jkummerow@chromium.org
dea98eee53 Fix a bug in Div when all uses are truncating 
Refine the related test cases to cover truncating cases

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/22964004

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16249 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 13:57:01 +00:00
olivf@chromium.org
383a167279 Add X87 implementations for Integer32ToDouble, DoubleToI, DoubleToSmi 
Additionally refactor the X87Stack tracking

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/20781007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16246 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 13:01:54 +00:00
verwaest@chromium.org
d81af53131 Store copied value rather than the original double. 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23262002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16208 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-16 15:43:42 +00:00
mstarzinger@chromium.org
3e4fbd0e85 Mark HStringCompareAndBranch as potentially causing GCs. 
This also adds a %SetAllocationTimout runtime function which helps to
write regression tests that need to trigger a GC at a certain point in
program execution.

R=hpayer@chromium.org
BUG=chromium:274438
TEST=mjsunit/regress/regress-crbug-274438

Review URL: https://codereview.chromium.org/22933006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-16 15:10:07 +00:00
danno@chromium.org
7aa3fedaab Fix Crankshafted CompareNil of constant values 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/23198002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-14 16:13:58 +00:00
jkummerow@chromium.org
e71a91ca08 Fix Math.round/floor that had bogus Smi representation 
BUG=chromium:272564
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23022005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16185 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-14 12:14:08 +00:00
verwaest@chromium.org
169f5a9d7b Never hchange nan-hole to hole or hole to nan-hole. 
Only allow changing hole to nan if all uses allow undefined as nan.

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22152003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-14 08:54:27 +00:00
jkummerow@chromium.org
6f800f90ee Fix overflow check computation for Smi Phis 
BUG=v8:2836
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/22629011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-13 18:18:24 +00:00
jkummerow@chromium.org
b3b99969b0 Fix overwriting order of object literal properties for MATERIALIZED_LITERALs 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22982005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-13 17:27:58 +00:00
yangguo@chromium.org
415b61e12e Fix bug in HPhi::SimplifyConstantInput 
R=jkummerow@chromium.org
BUG=269679

Review URL: https://codereview.chromium.org/23075003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16174 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-13 16:47:27 +00:00
verwaest@chromium.org
145f240060 Store doubles before calling into the elements transition stub on ARM 
BUG=
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22854011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16172 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-13 15:06:17 +00:00
yangguo@chromium.org
c52b7bba05 Fix regressions triggered by map invalidation during graph creation. 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/22807003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16150 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-12 14:10:25 +00:00
yangguo@chromium.org
c0d1ba2ede Do not materialize uninitialized const for debug evaluate. 
R=prybin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/22822002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-12 13:35:46 +00:00
machenbach@chromium.org
cfb7ef44ca Ignore an unsuitable test under deopt fuzz. 
That test relies on certain optimization/deoptimization points and is therefore not useful for the deopt fuzzer.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22475011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16145 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-12 08:59:42 +00:00
verwaest@chromium.org
ee53b0a5ed Make all load-named-fields depend on their map-check, unless explicitly ignored. 
BUG=
R=titzer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22555004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-09 18:40:10 +00:00
verwaest@chromium.org
3715358145 Replace LoadNamedFieldPolymorphic with explicit branches. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22213002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16133 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-09 14:04:47 +00:00
verwaest@chromium.org
19659646ca Fix smi-based math floor. 
BUG=chromium:270268
R=svenpanne@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22623007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-09 11:21:03 +00:00
verwaest@chromium.org
e5afd32129 Fix Object.freeze, Object.observe wrt CountOperation and CompoundAssignment. 
BUG=2774,2779
R=adamk@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22562004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16111 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-07 18:45:41 +00:00
jkummerow@chromium.org
371ac893f9 Check for empty handle in JSON stringifier 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/22420004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16106 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-07 16:34:13 +00:00
prybin@chromium.org
29bb553b1d Fix step in positions (include various calls and exclude current pc point), add a test 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/22198002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16100 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-07 12:27:22 +00:00
mstarzinger@chromium.org
63defee477 First implementation of allocation elimination in Hydrogen. 
This change implements a simple data-flow analysis pass over captured
objects to the existing escape analysis. It tracks the state of values
in the Hydrogen graph through CapturedObject marker instructions that
are used to construct an appropriate translation for the deoptimizer to
be able to materialize these objects again.

This can be considered a combination of scalar replacement of loads and
stores on captured objects and sinking of unused allocations.

R=titzer@chromium.org
TEST=mjsunit/compiler/escape-analysis

Review URL: https://codereview.chromium.org/21055011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16098 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-07 11:24:14 +00:00
yangguo@chromium.org
ef8d394f12 Re-reland "Flush parallel recompilation queues on context dispose notification" 
BUG=
R=hpayer@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22379002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16095 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-07 09:33:09 +00:00
ulan@chromium.org
3511f7a428 Fix Array index dehoisting. 
BUG=264203
TEST=test/mjsunit/regress/regress-264203
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22314012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16082 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-06 16:38:39 +00:00
rossberg@chromium.org
5e121882c6 Remove test that causes illegal access now 
TBR=mstarzinger@chromium.org
BUG=265369

Review URL: https://codereview.chromium.org/22428002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16077 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-06 14:34:25 +00:00
rossberg@chromium.org
f56ad9cab7 Turn assert into runtime assertion to make fuzzer happy 
R=mstarzinger@chromium.org
BUG=265369

Review URL: https://codereview.chromium.org/22284009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16076 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-06 14:19:13 +00:00
rossberg@chromium.org
92bd4d1f2d I found this working on 
https://codereview.chromium.org/19541010/

The main problem is that if you called Object.getNotifier(obj) on an object, %SetObserved(object) would never get called on it, and thus it would be unobservable (new test added for this).

Additionally, Runtime::SetObserved was asserting obj->IsJSObject() which would fail if called on a proxy.

It just happens that our existing test always called getNotifier() before Object.observe on proxies, and thus we never previously attempted to transition the map of a proxy.

Both issues are now fixed and properly tested.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/21891008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16074 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-06 13:49:10 +00:00
dslomov@chromium.org
45f4b685bf Update Array Iterator to use numeric indexes 
At the last face-to-face meeting it was decided that we should use
numeric indexes for the Array Iterator values.

https://github.com/rwldrn/tc39-notes/blob/master/es6/2013-07/july-24.md#514-keys-entries-return-numbers-for-array-index-properties

BUG=v8:2818
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/21180008

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16072 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-06 13:10:07 +00:00
jkummerow@chromium.org
232a2c0d88 Regression test for issue 2813 / r16008 
BUG=v8:2813
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21806002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-02 12:17:19 +00:00
svenpanne@chromium.org
bf71023ba5 Replaced unary negation by multiplication with -1. 
This fixes a deopt loop in the Epic Citadel demo and removes some code. Apart from that, this change is performance-neutral.

When we do something similar for BIT_NOT, the whole UnaryOp stuff can go away.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/21782002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16029 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-02 11:56:35 +00:00
mstarzinger@chromium.org
c87abd1117 Add new Harmony methods to Array.prototype object. 
Array.prototype.find
Array.prototype.findIndex

http://people.mozilla.org/~jorendorff/es6-draft.html

BUG=v8:2776,v8:2777
TEST=mjsunit/harmony/array-find,mjsunit/harmony/array-findindex
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21079003

Patch from Ioseb Dzmanashvili <ioseb.dzmanashvili@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16025 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-02 10:57:48 +00:00
jkummerow@chromium.org
a47705644e Avoid redundant smi check for Math.abs 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/21180004

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16021 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-02 08:59:02 +00:00
hpayer@chromium.org
286fc963b2 Disable test in object observe because of bug 2774. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/21495004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16017 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-02 06:40:50 +00:00
dslomov@chromium.org
f62ffeef31 Calling Map etc without new should throw TypeError 
Even though we do not yet allow Map, Set, WeakMap and WeakSet to be
subclassed we need to ensure that we do not allow them to be [[Call]]ed
to allow them to be subclassed in the future.

BUG=v8:2819
R=dslomov@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21400002

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16006 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-01 09:18:28 +00:00
verwaest@chromium.org
2af164f4d9 Mark maps as unstable if their instances potentially transition away. 
Use this as a prerequisite for adding code dependencies.

R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21095005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15961 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 16:33:58 +00:00
mstarzinger@chromium.org
0627d433b0 Add new Harmony methods to String.prototype object. 
String.prototype.repeat
String.prototype.startsWith
String.prototype.endsWith
String.prototype.contains

http://people.mozilla.org/~jorendorff/es6-draft.html

BUG=v8:2796,v8:2797,v8:2798,v8:2799
TEST=mjsunit/string-repeat,mjsunit/string-startswith,mjsunit/string-endswith,mjsunit/string-contains
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21014007

Patch from Ioseb Dzmanashvili <ioseb.dzmanashvili@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15960 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 16:33:08 +00:00
titzer@chromium.org
45d4afbde5 Fix many tests that try to force an OSR by checking OptimizationStatus() to instead check OptimizationCount(). 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21221003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15951 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 09:28:55 +00:00
machenbach@chromium.org
7696139437 Run some skipped tests again after resolved issue. 
BUG=2795
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/21220002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15949 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 08:52:26 +00:00
mstarzinger@chromium.org
3202e1d795 Re-revert "Flush parallel recompilation queues on context dispose notification" (r15883). 
R=danno@chromium.org
BUG=

Review URL: https://codereview.chromium.org/21156009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15947 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 08:35:48 +00:00
titzer@chromium.org
37ee4a0369 Fix IsDeletable() for HStringAdd, HStringCharCodeAt, HStringCharFromCode. 
BUG=
R=mstarzinger@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/20241005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15934 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 12:35:43 +00:00
mvstanton@chromium.org
43e35a87e2 Fix: Need to remove function type feedback between stress stages in 
release build

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/20987005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15933 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 12:22:34 +00:00
mvstanton@chromium.org
e9cc78af7e Fix for V8 issue 2795: Check fails with deopt for mjsunit/array-store-and-grow 
(https://code.google.com/p/v8/issues/detail?id=2795)

The reason is when allocating and building arrays in hydrogen we need to ensure
we do any int32-to-smi conversions BEFORE the allocation. These conversions can
at least theoretically deoptimize. If this happens before all the fields of the
newly allocated object are filled in, we will have a corrupted heap.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/20726002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15929 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 11:50:39 +00:00
bmeurer@chromium.org
709012021a The compiled_transitions flag was enabled for quite some time now and seems to work out quite well, so time has come to remove the obsolete code paths and remove the unused methods. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/18034024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 09:12:16 +00:00
jkummerow@chromium.org
3619dcf868 Add regression test for recently fixed bug 
BUG=chromium:258519
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/20732002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15912 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-26 14:58:30 +00:00
machenbach@chromium.org
53c95353c9 Disable mjsunit test when parallel recompilation is not available. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/20573003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15907 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-26 12:34:46 +00:00
verwaest@chromium.org
565699669e Fix Smi-based MathMinMax on x64, and reenable smi mode. 
BUG=
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/20706002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15905 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-26 12:06:22 +00:00
yangguo@chromium.org
372763897d Lazy call to custom stack trace formatting using Error.prepareStackTrace. 
This enables custom stack trace formatting for stack overflow.
A consequence is that stack trace formatting is now easily observable,
but we already established that the default stack trace formatting can
be observed anyways. It is only triggered by the .stack getter, and
it has to be explicitly called, (e.g. not implicitly after GC).

R=mstarzinger@chromium.org
BUG=v8:2559

Review URL: https://codereview.chromium.org/20692002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15902 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-26 11:28:08 +00:00
jkummerow@chromium.org
32e2e37230 Fix JSArray-specific length lookup in polymorphic array handling 
BUG=chromium:263276
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/20295005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15884 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-25 15:04:21 +00:00
yangguo@chromium.org
14e205e9cf Reland "Flush parallel recompilation queues on context dispose notification." 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/19500022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15883 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-25 15:01:23 +00:00
dslomov@chromium.org
a418b36b75 Make DataView setters throw when only offset is provided. 
Also fix typo in error message id.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/20030004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15865 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-24 17:35:15 +00:00
yangguo@chromium.org
eaedafad4b Restore test and behavior prior to deferred stack trace formatting. 
R=mstarzinger@chromium.org
TEST=stack-traces-overflow.js

Review URL: https://codereview.chromium.org/19805003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15856 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-24 12:16:02 +00:00
machenbach@chromium.org
a0734ba3af Add deopt fuzzer tool. 
Can be run as a stand-alone script like run-tests.

Executes first all tests of a given test suite to collect the maximum number of possible deopt points. Runs then a fuzzing phase with artificial deoptimizations triggered during testing.

Works for now with mjsunit and ia32 only.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/19931005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15855 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-24 12:04:29 +00:00
hpayer@chromium.org
6c83b7d6c1 Support double allocations when folding allocation. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/19956002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15839 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-23 19:27:00 +00:00
verwaest@chromium.org
7e08f81e6d Also eliminate map checks with transitions. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/19888006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15821 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-23 10:01:06 +00:00
verwaest@chromium.org
babce318d1 Eliminate map checks of constant values. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/19954005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15819 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-23 09:18:42 +00:00
mstarzinger@chromium.org
232c55854f Add test case for issue 2793 about experimental natives. 
R=yangguo@chromium.org
BUG=v8:2793

Review URL: https://codereview.chromium.org/19948002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15810 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-22 18:18:55 +00:00
ulan@chromium.org
b2dd5c67f7 ARM: Ensure space for lazy deoptimization before calling IC. 
If IC triggers deoptimization, then subsequent patching might get invalid
target address that was overwritten.

R=verwaest@chromium.org
BUG=247688
TEST=mjsunit/regress/regress-247688.js

Review URL: https://chromiumcodereview.appspot.com/19972002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15808 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-22 17:21:41 +00:00
yangguo@chromium.org
cd41cb9b6d Turn on parallel recompilation for tests that assert optimization status. 
R=mvstanton@chromium.org
BUG=

Review URL: https://codereview.chromium.org/19807002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-22 09:16:33 +00:00
mstarzinger@chromium.org
ce81b0d3a8 ES6: Implement WeakSet 
WeakSets work similar to ordinary Sets but the value (which must be an
object) is held weakly.

This is available under --harmony-collections

BUG=v8:2785
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/19678023

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15792 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-22 08:32:24 +00:00
rossberg@chromium.org
ac2b8c04f3 Proxies: Make 'with' work, plus minor other fixes 
Also fixes internal exception handling in several places of the runtime.

R=yangguo@chromium.org
BUG=v8:1543

Review URL: https://codereview.chromium.org/19384004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15781 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-19 14:07:23 +00:00
ulan@chromium.org
88a4b0d6ca Fix deopt in store with effect context. 
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/19693004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15780 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-19 13:45:26 +00:00
rossberg@chromium.org
83d9e6e7ee Add support for explicit octal and binary integer literals 
http://people.mozilla.org/~jorendorff/es6-draft.html#sec-7.8.3

ES6 extends the numeric literals to support explicit support
for binary and octal literals using the following syntax:

  0b10101
  0o777

This is currently behind the flag, --harmony-numeric-literals

BUG=2783
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/19300002

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15772 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-19 09:57:35 +00:00
verwaest@chromium.org
be472d82fd Fix wrong bailout id in polymorphic stores. 
BUG=chromium:259787
R=titzer@chromium.org, ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/19528005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15763 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-19 08:45:47 +00:00
mstarzinger@chromium.org
3eded2c06c Fix %NeverOptimizeFunction runtime call. 
The current usage of this runtime function is broken as it does not
prevent inlining of the affected function but rather bails out from the
whole unit of compilation after trying to inline affected functions.
This simplifies said runtime function to avoid accidental misuse.

R=titzer@chromium.org
TEST=mjsunit/never-optimize

Review URL: https://codereview.chromium.org/19776006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-19 08:25:44 +00:00
machenbach@chromium.org
0288214530 Disable some tests for nacl runs. 
These tests fail with the nacl/v8 builders.

Patch from bradchen@chromium.org.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/19769002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-18 12:21:46 +00:00
svenpanne@chromium.org
b951f03cee Fixed type feedback in presence of negative lookups. 
To fix the issue at hand regarding constant function calls and perhaps
other hidden issues regarding negative lookups, we basically add a
"marker instruction", just for harvesting purposes. Our type feedback
oracle is really, really fragile, we should better switch to some more
explicit and robust scheme soon.

BUG=chromium:252797
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/19588002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15741 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-18 09:12:44 +00:00
yangguo@chromium.org
9d6445cf32 Do not materialize context-allocated values for debug-evaluate. 
BUG=259300
R=ulan@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/19569003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15727 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-17 15:29:00 +00:00
jkummerow@chromium.org
22f2fd8397 Synchronize Compare-Literal behavior in FullCodegen and Hydrogen 
BUG=chromium:260345
R=danno@chromium.org

Review URL: https://codereview.chromium.org/19582002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-17 13:13:38 +00:00
mvstanton@chromium.org
7632a311aa Some tests involving AllocationSites are failing in GcStress test mode. 
The reason is that an AllocationMemento associated with an array only
lives for one gc (it is unrooted). So an excess of garbage collections
in these tests cause the Memento to be lost, and expected behavior
can't be guaranteed.

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/19544002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15714 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-17 11:42:32 +00:00
bmeurer@chromium.org
410b4b2db4 Reland "Turn ElementsTransitionAndStore stub into a HydrogenCodeStub". 
Fix the invalid array length check, replacing it with a check of
the elements pointer similar to TransitionElementsKindStub.
Refactor common code from ElementsTransitionAndStoreStub and TransitionElementsKindStub into BuildTransitionElementsKind() helper method.
Add test case for the MD5 computation that used to crash before,
and a small test case for the specific issue.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/19367003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15713 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-17 11:37:20 +00:00
dslomov@chromium.org
517cbe4dd3 Add BYTES_PER_ELEMENT property to constructors of typed arrays. 
ES6 does not prescribe it, but both Blink and Firefox have it.

Also does a small rename of parameter in test.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/19562002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15712 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-17 11:16:07 +00:00
bmeurer@chromium.org
a72b5d6c4d Fix invalid array length check in TransitionElementsKindStub. 
The stub used to check the length of the JS array to see if
there's a need to duplicate the elements backing store. This
way it will not duplicate the elements array when going from
double to object even if the elements array is not the empty
fixed array. Later on it will then store pointers into a
FixedDoubleArray.

The native code stub used to check whether elements points to
the empty_fixed_array singleton instead of testing the length.
The Hydrogen stub does that as well now.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/19289009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15701 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-17 08:32:28 +00:00
dslomov@chromium.org
11a38ed875 Throw if first argument to TypedArray.set is a number. 
Further refinement to semantics that I have missed in previous change.
Both Blink and Firefox are permissive with arguments to .set method.
However, when first argument to "set" is a number, all implementations
throw, so that users know that
   a.set(0,27)
does not assign 27 to 0th element of a, not 0 to 27th element of a.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/19210002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15684 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-16 08:11:30 +00:00
rossberg@chromium.org
db76aa2717 Fix sloppy-mode 'const' under Harmony flag. 
R=yangguo@chromium.org
BUG=173361

Review URL: https://codereview.chromium.org/19199002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15670 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-15 14:12:20 +00:00
dslomov@chromium.org
1c2d005b3c Use corerct conversions for DataView accessors. 
We now use DoubleTo(U)Int32 that follows ES specification.

R=titzer@chromium.org,rossberg@chromium.org

Review URL: https://codereview.chromium.org/18703007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15659 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-15 09:32:15 +00:00
dslomov@chromium.org
a6419e3e47 This does not match ES6 spec but is the behavior in both Firefox and WebKit/Blink. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/19086003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15655 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-15 07:43:46 +00:00
danno@chromium.org
c65f4f7f7b Don't use StoreIC_ArrayLength on frozen arrays 
The code previously assumed that an array with fast properties must have
a writable length property. But Object.freeze() now exposes a way to make
length read-only without moving the object into slow mode. This patch
simply adds a !is_frozen check to the IC code. Any future optimizations
to attribute-setting on JSArrays will need to make similar accomodations.

R=danno
BUG=v8:2711,259548

Review URL: https://chromiumcodereview.appspot.com/19115002
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15651 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-14 22:03:46 +00:00
hpayer@chromium.org
f5ab1b2a4a Collect side effects on paths to dominated block including the dominator. 
BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/18254008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15649 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-12 15:06:50 +00:00
danno@chromium.org
48b65f8cd5 Implement truncated d-to-i as a stub on x86 
- Added a general DoubleToIStub so that it's possible to extend to other platforms and non-truncating case.
- This version handles all cases of truncation (previous code deopted in some cases) and all source/destination register combinations without clobbering any temps.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/18612005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15645 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-12 12:28:32 +00:00
titzer@chromium.org
9e7819fac4 Added %NeverOptimize runtime call that can disable optimizations for a method for tests. 
BUG=

Review URL: https://codereview.chromium.org/18214005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15632 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-11 14:17:56 +00:00
mvstanton@chromium.org
10615aef7b AllocationSites: when updating allocation site transition information, 
be careful to merge feedback appropriately. For example, one array may
have gone holey, and then another allocated at the same place instead
went DOUBLE but remained packed. In this case the ElementsKind
ultimately stored in the AllocationSite should be HOLEY_DOUBLE.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/18531007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15629 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-11 13:08:36 +00:00
rossberg@chromium.org
3d9586c431 This adds the following array iterator methods: 
Array.prototype.values
Array.prototype.keys
Array.prototype.entries

These all return an Array Iterator object which has a next
method.

http://people.mozilla.org/~jorendorff/es6-draft.html#sec-15.4.5

BUG=v8:2722
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/16848004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15620 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-11 11:20:54 +00:00
mvstanton@chromium.org
b61dfd4a82 A bug in AllocationSite::GetMode(from, to) meant that we didn't update 
boilerplates for SMI to SMI_HOLEY transitions.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/18917003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15617 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-11 09:39:22 +00:00
dslomov@chromium.org
5eb63e483d Change DataView accessors behavior for insufficient args. 
ES6 spec for DataView is not fully finished, but Blink, WebKit and
Firefox agree in that for DataView use of getters/setters with no
arguments should result in exceptions, while undefined offset argument
is the same as zero.

R=bmeurer@chromium.org, rossberg@chromium.org

Review URL: https://codereview.chromium.org/18313007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15607 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-10 16:18:59 +00:00
verwaest@chromium.org
22d7a85519 Unify Count Operation assignment with other assignments 
This relands 15578, disables 1 test in harmony observe re bug v8:2774

R=dslomov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/18452013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-10 12:02:18 +00:00
yangguo@chromium.org
5b70a58ad2 Fix plot script. 
The script for the time line plot has been broken since r15484, which
changed the format of tick entries in v8.log.

To prevent this from happening in the future, I added a test case.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/18826008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15581 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-10 07:53:27 +00:00
dslomov@chromium.org
cfa91762ac Allow parameterless typed array constructors. 
ES6 spec tacitly allows them, and they are allowed in Firefox and in
WebKit/Blink.

R=bmeurer@chromium.org,rossberg@chromium.org

Review URL: https://codereview.chromium.org/18769005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15579 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-09 19:34:21 +00:00
yangguo@chromium.org
b99ca1ab12 Do not implicitly convert receivers for builtin functions when inspecting frames. 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/18900004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15574 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-09 13:58:11 +00:00
mvstanton@chromium.org
c1e19bfc35 Bugfix: The general array constructor stub did not handle the case 
properly when it is called with a function pointer in the type cell,
instead assuming that an AllocationSite object should be present. The
case where this can happen is if the cell is uninitialized, then the
first constructor call made is to the Array function of a different
context. In that case, we'll store the function pointer in the cell,
and then go ahead and call the array constructor stub too. The bug is
fixed by checking for the AllocationSite object map. If not found, the
constructor stub goes forward with a default ElementsKind, just as in
several other cases.

A test in allocation-site-info.js was beefed up to make sure the state
chain described above is traversed.

BUG=
R=hpayer@chromium.org, hpayer@google.com

Review URL: https://codereview.chromium.org/18277006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15555 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-08 14:41:54 +00:00
jkummerow@chromium.org
ed6d2d5c44 Add a test case for Phi representations 
BUG=chromium:167394
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/18838002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15553 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-08 13:43:43 +00:00
jkummerow@chromium.org
f0811f4e6f Fix and cleanup can_be_minus_zero computation 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/18434004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15546 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-08 11:15:24 +00:00
mvstanton@chromium.org
faaa90d13c Allocation-site-info test, removed TODOs. 
Some code was commented out earlier as a todo. Now the code can be reenabled,
because allocation site feedback is working there again.

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/18753005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15543 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-08 09:11:56 +00:00
danno@chromium.org
bd50e6d38f Refactoring and cleanup of control instructions 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/18331004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15513 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-05 10:40:14 +00:00
danno@chromium.org
345cc98a25 Generate StoreGlobal stubs with Hydrogen 
- Constants globals are inlined into Hydrogen code using code dependencies that invalidate the Crankshafted code when global PropertyCells or the global object change.
- The more general case generates code that is just as good as the hand-written assembly stubs on all platforms.

R=rossberg@chromium.org, ulan@chromium.org

Committed: http://code.google.com/p/v8/source/detail?r=15419

Review URL: https://codereview.chromium.org/16925008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15512 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-05 10:34:02 +00:00
rossberg@chromium.org
929e193fc2 Tweak error message 
R=yangguo@chromium.org
BUG=v8:2758

Review URL: https://codereview.chromium.org/18759002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15503 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-05 08:34:31 +00:00
yurys@chromium.org
9ef762b683 Do not store fp and sp values in TickSample 
Their values are not used neither by the tick processor nor by CpuProfiler so it is just a waste of space.

TickSample used to be a transport for grabbed register values to TickSample::Trace, now they are passed in a special structure RegisterState which is allocated on the stack for the sampling period.

Some common pieces were moved from platform-dependent code into Sampler::SampleStack and TickSample::Init.

BUG=None
R=jkummerow@chromium.org, loislo@chromium.org

Review URL: https://codereview.chromium.org/18620002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15484 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-03 16:20:59 +00:00
jkummerow@chromium.org
dd37adc4f1 Change mjsunit tests to work with and without the i18n extension 
BUG=v8:2745
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/18187006

Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15479 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-03 15:33:11 +00:00
ulan@chromium.org
74d147a25d Enable weak embedded maps in optimized code. 
If the top optimized code in call stack is at the point that does not support
deoptimization, then treat the maps in the code as strong pointers.

Note that other optimized code in call stack must support deoptimization
because of the call instruction with side-effects.

BUG=217858,v8:2073
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16955008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15452 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-02 15:15:58 +00:00
danno@chromium.org
77c20c30a3 Revert r15419: "Generate StoreGlobal stubs with Hydrogen" 
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/18357004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15427 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-01 15:12:21 +00:00
mstarzinger@chromium.org
493d1f1c21 Implement WeakMap.prototype.clear function. 
R=rossberg@chromium.org
BUG=v8:2753
TEST=mjsunit/harmony/collections

Review URL: https://codereview.chromium.org/18352002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15421 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-01 13:56:48 +00:00
prybin@chromium.org
488da00542 Debug: support breakpoints set in the middle of statement (try #2 after rollback) 
Review URL: https://codereview.chromium.org/18349004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15420 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-01 13:44:10 +00:00
danno@chromium.org
a3bce19868 Generate StoreGlobal stubs with Hydrogen 
- Constants globals are inlined into Hydrogen code using code dependencies that invalidate the Crankshafted code when global PropertyCells or the global object change.
- The more general case generates code that is just as good as the hand-written assembly stubs on all platforms.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/16925008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15419 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-01 13:22:13 +00:00
prybin@chromium.org
fe22b45965 Revert "Debug: support breakpoints set in the middle of statement" 
Review URL: https://codereview.chromium.org/18326007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15418 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-01 13:05:21 +00:00
prybin@chromium.org
f997bacb16 Debug: support breakpoints set in the middle of statement 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/16093040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15416 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-01 12:54:13 +00:00
mvstanton@chromium.org
4aed3b8e84 Test fix - array-feedback.js has a test that only make sense when 
running crankshaft. Allow the test to tolerate --nocrankshaft.

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/18328002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15403 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-01 09:00:14 +00:00
jkummerow@chromium.org
05b94f13c8 Add %_DebugBreakInOptimizedCode() pseudo function call to insert int3/stop instructions into optimized code 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17870002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15392 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-28 15:48:38 +00:00
mvstanton@chromium.org
83519ec87a Hydrogen array constructor cleanup and improvements 
* Cleanup of LCallNewArray::PrintDataTo() method
* Created HCallNewArray::PrintDataTo()
* Created many more tests in array-constructor-feedback.js
* Removed redundant instructions in
  GenerateRecordCallTarget
* Bugfix in CreateArrayDispatchOneArgument: on a call to
  new Array(0), we'd like to set the type feedback cell to
  a packed elements kind, but we shouldn't do it if the
  cell contains the megamorphic sentinel.
* When used from crankshaft, ArrayConstructorStubs can
  avoid verifying that the function being called is the
  array function from the current native context, relying
  instead on the fact that crankshaft issues an
  HCheckFunction to protect the constructor call. (this
  new minor key is used in LCodeGen::DoCallNewArray(), and
  influences code generation in
  CodeStubGraphBuilderBase::BuildArrayConstructor()).
* Optimization: the array constructor specialized for
  FAST_SMI_ELEMENTS can save some instructions by looking
  up the correct map on the passed in constructor, rather
  than indexing into the array of cached maps per element
  kind.

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/17091002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15383 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-28 13:16:14 +00:00
yangguo@chromium.org
85d7a36ee0 Abort optimization when debugger is turned on. 
BUG=v8:2751
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/18198003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15378 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-28 11:34:51 +00:00
titzer@chromium.org
98f3dab73b Fix elements-kind test to disable optimization of important functions under test; add simpler versions of elements kind test. 
Review URL: https://codereview.chromium.org/17872002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15347 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-27 08:46:46 +00:00
dslomov@chromium.org
ef189ecd82 Do not allow invocation of ArrayBuffer and array buffer views' constructors as functions. 
ES6 bug 695 (https://bugs.ecmascript.org/show_bug.cgi?id=695).
This never worked in WebKit, so no compatibility issues.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/17904007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15346 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-27 07:42:08 +00:00
titzer@chromium.org
bfa9fe95dc Change PC for OSR entries to point to something more sensible (i.e. the first UnknownOsrValue), removing the need to record spilled OSR values and the need for duplicate deopt entries. 
Review URL: https://codereview.chromium.org/16381006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15331 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-26 08:43:27 +00:00
mvstanton@chromium.org
081134ecd1 Removed flag optimize-constructed-arrays. 
This eliminates a large amount of hand-written assembly in the platforms.

BUG=
R=danno@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/16453002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15328 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-25 16:31:07 +00:00
peter.rybin@gmail.com
42a10a9dfe Allow debugger evaluate expressions to mute local variables 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17636007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15323 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-25 13:48:43 +00:00
dslomov@chromium.org
e6e0ee0708 Update typed arrays behavior to match ES6 rev 15. Remove TO_POSITIVE_INTEGER and throw on negative length arguments. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/17572009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15298 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-24 13:58:52 +00:00
dslomov@chromium.org
91eb5f8d25 DataView implementation. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/17153011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15269 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-21 13:02:38 +00:00
yangguo@chromium.org
b7b92bd9ac Short-circuit embedded cons strings. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17418003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15263 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-21 09:24:30 +00:00
yangguo@chromium.org
928cbcdc8d Skip parallel recompilation tests if parallel recompilation is disabled. 
Parallel recompilation is usually disabled on single-core systems.

R=jkummerow@chromium.org
BUG=v8:2733

Review URL: https://codereview.chromium.org/17261021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15231 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 11:01:33 +00:00
wingo@igalia.com
f7ba3a7bb1 Fix stack frame reconstruction for generators with formal arguments 
The formal parameter count was always being treated as an untagged
integer, but it is actually a Smi on ia32 and arm.

R=mstarzinger@chromium.org
BUG=v8:2355
TEST=mjsunit/harmony/generators-iteration

Review URL: https://codereview.chromium.org/17485002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15230 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 10:48:34 +00:00
verwaest@chromium.org
2ca5c6cd03 Fix using monomorphic store instruction for polymorphic stores. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16875008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15214 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 18:07:35 +00:00
mvstanton@chromium.org
7f0f022792 Bugfix in hydrogen array literal code generation. 
If an array literal contains some non-constant elements, is of type SMI, and
then the boilerplate transitions to double or fast sometime after we've
crankshafted the code, then we could incorrectly store smis in double arrays.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17334004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 13:48:50 +00:00
svenpanne@chromium.org
010d9aba16 Avoid relying on monkey-patchable things in String.prototype.split. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17391016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15206 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 12:25:40 +00:00
yangguo@chromium.org
1be45275c6 Fix test for bots that force --parallel-recompilation as shell flag. 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16914006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 09:32:05 +00:00
mvstanton@chromium.org
c70b41684d Use type feedback for Array (non-constructor) call sites. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/17155010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 09:25:24 +00:00
yangguo@chromium.org
627872ec67 Do not modify FLAG_parallel_recompilation after start up. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/17202006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-18 14:25:24 +00:00
mstarzinger@chromium.org
0524263a27 Remove obsolete elements kind check for array literals. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/17378005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-18 13:32:06 +00:00
svenpanne@chromium.org
fb7310b1fd Fixed read-only attribute of Function.length in strict mode. 
R=cira@chromium.org

Review URL: https://codereview.chromium.org/17006006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15189 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-18 07:51:50 +00:00
palfia@homejinni.com
f8fc5c443e Allow running mjsunit/manual-parallel-recompile on single-core systems. 
- Add an %IsParallelSupported() builtin function to  make possible to check support of parallel processing from JavaScripts.
- Change the test script that if parallel recompilation is forced on a single core CPU, expect that it won't be recompiled in parallel.
- Change the  JSFunction::MarkForParallelRecompilation() to fall back gracefully if parallel recompilation is not supported.

BUG=v8:2733
TEST=mjsunit/manual-parallel-recompile

Review URL: https://codereview.chromium.org/17277002
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15184 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-17 16:27:18 +00:00
palfia@homejinni.com
93609033e1 MIPS: Optimise Math.floor(x/y) to use integer division for MIPS. 
Use div instruction if some divisors do not have magic number.

Based on commit r11427 (318a9598).

This commit also ports commit r15161 (554d45c1).

BUG=

Review URL: https://codereview.chromium.org/16951016
Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15181 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-17 15:06:41 +00:00
mvstanton@chromium.org
5b2c1a50d9 HCheckFunction is needed to protect new array constructors in 
crankshafted code.

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/16944006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15118 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-13 14:29:01 +00:00
wingo@igalia.com
d73dace0f5 Delegating yield does not re-box result objects 
Delegating yield (yield*) should just pass on the iterator results it
receives instead of re-boxing them.

R=rossberg@chromium.org
TEST=mjsunit/harmony/generators-iteration
BUG=

Review URL: https://codereview.chromium.org/16695006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15113 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-13 10:57:11 +00:00
wingo@igalia.com
09fcac5e39 Use keyed-call inline caches in delegating yield 
Since we can't assume anything about the shape of the iterator in a
yield* (delegating yield), use an IC to do the next() and throw()
iterator method calls.

BUG=v8:2691
R=rossberg@chromium.org
TEST=mjsunit/regress/regress-2691

Review URL: https://codereview.chromium.org/15455002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15111 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-13 10:18:28 +00:00
mvstanton@chromium.org
75afb8ce79 Fix for bug 245480. Calling new Array(a) with a single argument could result in creating a holey array with a packed elements kind. 
BUG=245480
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/16341004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15095 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-12 18:04:16 +00:00
mstarzinger@chromium.org
93ab1864ea Allow the deoptimizer translation to track de-materialized objects. 
This allows the deoptimizer to materialize objects (e.g. the arguments
object) while deopting without having a consective stack area holding
the object values. The LEnvironment explicitly tracks locations for
these values and preserves them in the translation.

R=svenpanne@chromium.org
TEST=mjsunit/compiler/inline-arguments

Review URL: https://codereview.chromium.org/16779004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15087 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-12 14:22:49 +00:00
wingo@igalia.com
cc27c4c41b GeneratorFunction() makes generator instances 
The current specification has GeneratorFunction() be like Function(),
except that it makes generator instances.  This commit implements that
behavior.  It also fills in a piece of the implementation where
otherwise calling GeneratorFunction or GeneratorFunctionPrototype would
cause an abort because they have no code.

R=mstarzinger@chromium.org
TEST=mjsunit/harmony/generators-iteration
TEST=mjsunit/harmony/generators-runtime
BUG=v8:2355,v8:2680

Review URL: https://codereview.chromium.org/15218004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-12 12:52:16 +00:00
wingo@igalia.com
1fb2f4b358 For-of statements do not permit initializers. 
R=rossberg@chromium.org
BUG=v8:2720

Review URL: https://codereview.chromium.org/16739008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15082 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-12 12:37:44 +00:00
wingo@igalia.com
418ddc800a Allocate generator result objects before unwinding try handlers 
When a generator suspends, it saves its state out to the heap and
unwinds try handlers but doesn't pop anything off the stack.  Instead it
relies on no GC happening between the suspend and the return from the
generator.  However this was not the case: boxing the result object
could cause GC, which would try to traverse the stack but would
misinterpret words from unwound try handlers as heap objects.

This CL changes to allocate the result objects before the suspend.  It
also removes the generators-iteration skip introduced in r15065.

R=mstarzinger@chromium.org
TEST=mjsunit/harmony/generators-iteration
BUG=

Review URL: https://codereview.chromium.org/16801006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15079 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-12 11:02:51 +00:00
yangguo@chromium.org
74556569d1 Reland "Enable map dependency to in-flight compilation info." 
BUG=248076
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16782004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15077 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-12 09:43:22 +00:00
wingo@igalia.com
5760c7b598 Disable --harmony -> --harmony-generators implication 
A GC-related bug has started showing up after r15060 that unfortunately
I haven't been able to reproduce.  Disable generators by default for the
Canary push.

R=danno@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16638011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15065 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-11 14:45:17 +00:00