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Author SHA1 Message Date
ulan@chromium.org
7ac7a7ea99 Fix a race between concurrent recompilation and OSR. 
If concurrent recompilation finishes before OSR, then OSR replaces
the old optimized code without evicting it from the optimized code map.

New functions can get the old optimized code from the optimized code map,
but the old code could be already deoptimized.

BUG=330046
TEST=test/mjsunit/regress-330046.js
LOG=Y
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/109033003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18420 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-27 09:22:56 +00:00
machenbach@chromium.org
2566c54f15 [Sheriff] Revert "Sync cygwin version with chromium" 
This reverts commit r18392 for breaking python compatibility on windows bots.

BUG=
TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/110993006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18419 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-26 21:24:31 +00:00
yangguo@chromium.org
fba409447d Fix GCMole issue. 
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/104383003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18416 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-24 08:03:03 +00:00
yangguo@chromium.org
dd5c60e11c Turn off concurrent sweeping. 
R=ulan@chromium.org
BUG=v8:3071
LOG=N

Review URL: https://codereview.chromium.org/116223005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18415 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 16:48:05 +00:00
yangguo@chromium.org
f9bf10ce6d Prepare push to trunk. Now working on version 3.24.8. 
R=ulan@chromium.org
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/103253009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18412 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 16:17:23 +00:00
yangguo@chromium.org
d662f8abf7 Add missing PostponeInterruptsScope. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/119763005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18411 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 15:41:44 +00:00
yangguo@chromium.org
6ba6d0b4fe Cache optimized code for OSR. 
BUG=v8:2637
LOG=N
R=titzer@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/101853003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18410 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 14:42:42 +00:00
yangguo@chromium.org
2a4be7067c Refactor the compiling pipeline. 
Goals:
 - easier to read, more suitable identifiers.
 - better distinction between compiling optimized/unoptimized code
 - compiler does not install code on the function.
 - easier to add features (e.g. caching optimized code for osr).
 - remove unnecessary code.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/110203002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18409 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 14:30:35 +00:00
yangguo@chromium.org
f7929d2a87 Reland "Handlify concat string and substring." 
This relands commit r17490.

BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/114943004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18408 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 12:37:56 +00:00
yangguo@chromium.org
8c10fc6aee Harmony: implement math.hypot. 
R=jarin@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/118303002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18407 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 11:13:39 +00:00
yangguo@chromium.org
2e2676a843 Harmony: implement Math.log2 and Math.log10. 
R=jarin@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/119093006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18406 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 10:54:47 +00:00
yangguo@chromium.org
cd7d61cfc2 Fix small spec violation in String.prototype.split. 
Also slightly extended the test coverage.

R=rossberg@chromium.org
BUG=v8:3026
LOG=Y

Review URL: https://codereview.chromium.org/119093002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18405 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 10:01:22 +00:00
yurys@chromium.org
18e865d4fa Delete v8::HeapGraphNode::GetHeapValue 
BUG=chromium:324769
LOG=N
R=hpayer@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/98633009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18404 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 09:33:16 +00:00
yangguo@chromium.org
3b0f6c8e4e Only compile concurrently if enabled, in %OptimizeFunctionOnNextCall. 
R=ulan@chromium.org
BUG=326474
LOG=N

Review URL: https://codereview.chromium.org/106403007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18403 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 08:42:36 +00:00
yangguo@chromium.org
c61d07e03f Correctly resolve forcibly context allocated parameters in debug-evaluate. 
R=ulan@chromium.org
BUG=325676
LOG=Y

Review URL: https://codereview.chromium.org/107243006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18402 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 08:37:03 +00:00
yurys@chromium.org
61c1692c9b This adds functionality for getting original functions from bound functions. 
It's of much use when information about function calls is shown on the Events timeline in DevTools: instead of referencing to v8natives.js where bound functions are created, we'll be able to show real function data (name, resource, script line and column numbers) retrieved from original functions.

BUG=None
LOG=Y
R=yangguo@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/106763002

Patch from Alexandra Mikhaylova <amikhaylova@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18401 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 08:04:54 +00:00
machenbach@chromium.org
4692a3a7d5 Mark cpu profiler test as flaky on windows. 
TBR=yurys@chromium.org
BUG=v8:2999
LOG=no

Review URL: https://codereview.chromium.org/120543002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18400 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-22 14:14:27 +00:00
plind44@gmail.com
21daecb611 MIPS: Improve registers saving for safepoints in deferred code. 
This reduces code size of initial snapshot by more than 25Kb.

Registers are saved or restored via common stubs, instead of doing it
through inlined push/pop instructions (one instruction per register) in
generated deferred code.

TEST=
BUG=
R=jkummerow@chromium.org, plind44@gmail.com

Review URL: https://codereview.chromium.org/109653013

Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18399 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 19:44:03 +00:00
plind44@gmail.com
44b69b079f MIPS: Improve allocate locals to reduce code size. 
TEST=
BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/104713013

Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18398 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 19:40:12 +00:00
hpayer@chromium.org
fd6b6acec5 Prepare push to trunk. Now working on version 3.24.7. 
R=jkummerow@chromium.org, danno@chromium.org
BUG=

Review URL: https://codereview.chromium.org/106583004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18395 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 19:19:28 +00:00
jochen@chromium.org
8e86ed5068 Revert r18390 - "Roll gyp 1685:1806" 
Doesn't work with python2.7 - I tested with 2.6 :-/

BUG=none
TBR=hpayer@chromium.org
LOG=n

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18394 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 14:35:15 +00:00
jochen@chromium.org
381f913788 Sync cygwin version with chromium 
231940 - Set executable bit on third_party/cygwin/bin/dos2unix.exe
229213 - Add back module paths from old python_26 configuration.
228972 - Remove old python from path.
133786 - Add the svn:executable property to these .bat files

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

Review URL: https://codereview.chromium.org/111523002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18392 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 14:25:10 +00:00
vegorov@chromium.org
79ad8bf2e0 Fix sporadic crash in the RequestInterruptTestWithNativeAccessor. 
The test was broken. V8 currently does not correctly lookup NativeDataProperty accessors attached to the PrototypeTemplate of FunctionTemplate (Issue 3066). As the result while(obj.shouldContinue) loop was immediately exiting and the test would terminate while RequestInterruptTestBase::InterruptThread would be still starting up. As the result later InterruptThread would try to access members of the test object which was destroyed.

The test was fixed:

- instead of attaching accessor to PrototypeTemplate we attach it to  InstanceTemplate;
- an assertion was added to verify that we completed the test successfully due to interruptor firing not due to sporadic loop termination due to some unrelated bug.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/109653010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18391 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 14:07:19 +00:00
jochen@chromium.org
e84e2abde2 Roll gyp 1685:1806 
Too many updates to summarize them here.

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

Review URL: https://codereview.chromium.org/109073004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18390 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 13:36:50 +00:00
jkummerow@chromium.org
315b0c6a30 Delete unused TypeInfo class 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/105313008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18389 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 13:33:20 +00:00
titzer@chromium.org
be32761a67 Improve load elimination handling of transitioning stores. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/106973005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18388 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 12:12:41 +00:00
rossberg@chromium.org
b882bddcfd Make a strict function's "name" property non-writable. 
Set [[Writable]] to false for the "name" property of strict
functions as well, mirroring what non-strict functions have
it as.

LOG=N
R=rossberg@chromium.org
TEST=mjsunit/regress/regress-270142
BUG=270142

Review URL: https://codereview.chromium.org/99203006

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18387 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 12:06:11 +00:00
hpayer@chromium.org
f583b73b70 Revert "Remove flag track-allocation-sites." 
This reverts commit 6c430da40efe388035504d3603756aa8c46ed1dc.

BUG=

Review URL: https://codereview.chromium.org/109303006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18386 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 12:04:34 +00:00
mvstanton@chromium.org
e654c88fab Remove flag track-allocation-sites. 
The flag has been on in the build for ~9 months, and we aren't likely to turn it off. The only customer of the flag is a set of tests that want to verify transitioning behavior in isolation. This CL removes the flag and updates those tests to get what they want without the flag.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/104923010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18385 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 11:46:31 +00:00
svenpanne@chromium.org
e595dc0368 Revert "More API cleanup." 
This reverts r18383. The CL in itself is OK, we just have to wait until Chrome's commit queue lands the final corresponding change and re-land this CL. :-/

TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/119013004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18384 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 11:35:53 +00:00
svenpanne@chromium.org
d54a4e6d40 More API cleanup. 
* Removed String::Empty, Number::New, Integer::New, Integer::NewFromUnsigned, FunctionTemplate::New and Object::New without Isolate* parameter.

* Removed Integer::New and Integer::NewUnsigned with weird argument order.

Chrome CLs matching this change are prepared, BTW.

LOG=y
BUG=324225
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/118523003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18383 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 10:49:27 +00:00
jochen@chromium.org
fdbf271b78 Always terminate the task queue 
BUG=none
LOG=n
TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/107503005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18382 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 09:09:04 +00:00
jochen@chromium.org
1b93245a76 Lazily initialize thread pool to avoid allocating all the threads during startup 
R=hpayer@chromium.org
BUG=none
LOG=n

Review URL: https://codereview.chromium.org/98123004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18381 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 08:34:42 +00:00
jochen@chromium.org
e6ef64c590 [platform] Implement a worker pool 
We don't use the worker pool yet, however, there are tests. Yay. The
next step is to use the worker pool for parallel sweeping.

I've also started to move the platform related files into a sub
directory. The goal is to eventually build all the platform stuff as
a separate library which is used by d8 and cctest (and other embedders
that wish to use the default implementation) but not by chromium.

BUG=v8:3015
R=hpayer@chromium.org, svenpanne@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/104583003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18380 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 07:52:58 +00:00
yurys@chromium.org
0dbbedc344 Fix number of parameters passed into PrepareCallCFunction in code age stubs 
In r16710 Additional parameter (Isolate) was added to parameter lists of some native functions called from the generated code. However, corresponding PrepareCallCFunction arguments changed only on i32. This CL updates other architectures to match actual value.

BUG=None
LOG=None
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/74753006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18379 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 07:46:02 +00:00
yurys@chromium.org
4b6ada0f55 Avoid SLOW_ASSERT when calling HeapGraphNode::GetChildrenCount 
It may occur that GetChildrenCount is called on the node which has no children and stored last in the internal nodes array. In that case HeapEntry::children_arr() would fail when taking address of the element at index children_index_ which is past the last element in the children's array.

BUG=None
LOG=N
R=alph@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/112623005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18378 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 07:33:22 +00:00
titzer@chromium.org
1f679a58f7 Improve check elimination with branch sensitivity on HCompareObjectEqAndBranch. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/106733002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18377 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-19 17:42:21 +00:00
vegorov@chromium.org
0b5b395bc1 Try fixing NaCl V8 compilation failure by initializing interrupt_callback_data_. 
TBR=dcarney@chromium.org
BUG=

Review URL: https://codereview.chromium.org/116093006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18376 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-19 17:09:38 +00:00
vegorov@chromium.org
bc77d4d60a Reland r18363. 
Introduce API to temporarily interrupt long running JavaScript code.

It is different from termination API as interrupted JavaScript will continue to execute normally when registered InterruptCallback returns.

  /**
   * Request V8 to interrupt long running JavaScript code and invoke
   * the given |callback| passing the given |data| to it. After |callback|
   * returns control will be returned to the JavaScript code.
   * At any given moment V8 can remember only a single callback for the very
   * last interrupt request.
   * Can be called from another thread without acquiring a |Locker|.
   * Registered |callback| must not reenter interrupted Isolate.
   */
  void RequestInterrupt(InterruptCallback callback, void* data);

  /**
   * Clear interrupt request created by |RequestInterrupt|.
   * Can be called from another thread without acquiring a |Locker|.
   */
  void ClearInterrupt();

Fix Hydrogen SCE pass to avoid eliminating stack guards too aggressively. Only normal JavaScript functions are guaranteed to have stack guard in the prologue. If function is a builtin or has a custom call IC it will lack one.

Changes from r18363:

- includes r18364 to fix compilation errors: removes debugging only code;

- makes interrupiton related tests not threaded, because they rely on having exclusive access to the V8 instance and the fact that they can only interrupt themselves, if they are interrupted from the outside they break;

- changes HasStackCheck predicate used during SCE pass to avoid handles dereference to make SCE compatible with parallel recompilation.

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/104823008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18375 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-19 16:45:58 +00:00
jochen@chromium.org
0fea01de4e Use concurrent sweeping instead of parallel sweeping by default. 
LOG=n
R=hpayer@chromium.org, mstarzinger@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/100433006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18374 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-19 16:04:08 +00:00
hpayer@chromium.org
506a77a7d5 Prepare push to trunk. Now working on version 3.24.6. 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/98643011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18371 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-19 16:02:43 +00:00
jkummerow@chromium.org
3c76ecd732 Fix switch statements with non-Smi integer labels and no type feedback 
BUG=chromium:329709
LOG=Y
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/98643010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18370 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-19 14:25:58 +00:00
mvstanton@chromium.org
1dd19c450a Pretty printing for array code stubs. The minor keys encode things like specialized ElementsKind for each stub. This can be useful to see in disassembly traces. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/110103002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18369 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 22:51:23 +00:00
mvstanton@chromium.org
3c7aae759b Pretenure mode was erroneously consulted in FastCloneShallowObjectStub. 
FastCloneShallowObjectStub is only called from full code. When the code
is optimized, then we'll inline the cloning and respect pretenure mode.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/104403008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18368 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 22:43:56 +00:00
hpayer@chromium.org
7305592638 Use an allocation site scratchpad to speed up allocaton site processing during gc. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/99133017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18367 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 21:23:56 +00:00
hpayer@chromium.org
9c8d625422 Generalize AllocationMemento::FindForHeapObject and remove corresponding new space check. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/104903002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18366 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 20:08:54 +00:00
vegorov@chromium.org
dd8a793962 Revert "Introduce API to temporarily interrupt long running JavaScript code." 
This reverts commit r18363.

Revert "Fix compilation error introduced by r18363."

This reverts commit r18364.

Changes in SCE pass are incompatible with parallel compilation

TBR=dcarney@chromium.org
BUG=

Review URL: https://codereview.chromium.org/101463003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18365 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 19:21:27 +00:00
vegorov@chromium.org
cd045f473e Fix compilation error introduced by r18363. 
Remove debugging related code.

TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/104793005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18364 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 19:01:02 +00:00
vegorov@chromium.org
64d2dfa232 Introduce API to temporarily interrupt long running JavaScript code. 
It is different from termination API as interrupted JavaScript will continue to execute normally when registered InterruptCallback returns.

  /**
   * Request V8 to interrupt long running JavaScript code and invoke
   * the given |callback| passing the given |data| to it. After |callback|
   * returns control will be returned to the JavaScript code.
   * At any given moment V8 can remember only a single callback for the very
   * last interrupt request.
   * Can be called from another thread without acquiring a |Locker|.
   * Registered |callback| must not reenter interrupted Isolate.
   */
  void RequestInterrupt(InterruptCallback callback, void* data);

  /**
   * Clear interrupt request created by |RequestInterrupt|.
   * Can be called from another thread without acquiring a |Locker|.
   */
  void ClearInterrupt();

Fix Hydrogen SCE pass to avoid eliminating stack guards too aggressively. Only normal JavaScript functions are guaranteed to have stack guard in the prologue. If function is a builtin or has a custom call IC it will lack one.

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

Review URL: https://codereview.chromium.org/102063004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18363 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 18:38:35 +00:00
ishell@chromium.org
e3752b63c0 HStoreKeyed for Smis optimized for x64 + related redundant moves of elements removed 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/108503004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18362 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 18:05:10 +00:00