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Author SHA1 Message Date
wingo@igalia.com
9a9943b564 Relocate suspended generator activations when enabling debug mode 
R=yangguo@chromium.org
BUG=v8:3289
LOG=N

Review URL: https://codereview.chromium.org/260423002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21141 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 12:57:14 +00:00
jochen@chromium.org
b66afe30fe Add a basic gn file for V8 
Currently, the gn support is incomplete and only works from within a
chromium checkout.

See https://code.google.com/p/chromium/wiki/gn for details

We move the BUILD.gn file to v8 nevertheless to make renaming files
easier, as the chromium CQ already now checks the gn build.

BUG=none
R=brettw@chromium.org, machenbach@chromium.org
LOG=y

Review URL: https://codereview.chromium.org/259233002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21140 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 11:06:26 +00:00
bmeurer@chromium.org
785bdf7c1e Don't add code dependencies eagerly for HCheckMaps. 
Instead of adding code dependencies on stable during
graph creation, we now add them during code generation
for those HCheckMaps that survived dead code elimination.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/264973013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 11:03:14 +00:00
ishell@chromium.org
5883de41cc Map::TransitionElementsTo() extracted from JSObject::GetElementsTransitionMap(). 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/260803002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21138 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 09:57:45 +00:00
svenpanne@chromium.org
96517fbed0 Inlined IsFoundByRuntimeProbingOnly. 
It is only used internally at a single place.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/265243004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21137 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 09:52:03 +00:00
yurys@chromium.org
c165fbd298 Remove Message::GetScriptData declaration 
This is a left-over after r20683

BUG=None
LOG=N
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/266983003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21136 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 07:43:29 +00:00
yangguo@chromium.org
db904a20da Always initialize the debugger eagerly. 
There is no point doing it lazily, since compiling and executing the tiniest piece of code triggers lazy init.
Also removed some dead code.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/265593004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21135 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 07:10:38 +00:00
machenbach@chromium.org
929b99ed8d Revert "Version 3.26.30 (based on bleeding_edge revision r21129)" 
This reverts commit r21130, a faulty automated commit.

BUG=
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/263083007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 07:02:13 +00:00
bmeurer@chromium.org
7c1036d424 Various cleanups in check elimination. 
- Move IsMapAccess() to HObjectAccess.
- Collect the actual objects instead of HStoreNamedFields in
  effects, and also consider HTransitionElementsKind.
- Fix ownership of HCheckMaps::maps() and HLoadNamedField::maps().
- Avoid heavy copying of the same map sets all the time during
  check elimination, and do something useful with the memory
  instead by slightly bumping the maximum number of tracked
  objects.
- Slightly optimize UniqueSet::Contains().

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/264693011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21133 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 06:53:19 +00:00
machenbach@chromium.org
b41af2c63f Version 3.26.30 (based on bleeding_edge revision r21129) 
Introduce a microtask suppression scope and move microtask methods to isolate (Chromium issue 369503).

Re-enable Object.observe and add enforcement for security invariants.

Move cache line size calculation directly into CPU::FlushICache (Chromium issue 359977).

Generation of our home-grown memmove doesn't depend on serializer state anymore (Chromium issue 359977).

Fix |RunMicrotasks()| leaking reference to the last context being run on.

Object.defineProperty shouldn't be a hint that we're constructing a dictionary (Chromium issue 362870).

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21130 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-05 00:04:56 +00:00
adamk@chromium.org
5ea893074c Fix ObjectNotifierPerformChange leak after r21126 
Due to overlapping names of natives and runtime functions, the wrong
context was used for Notifier.prototype.performChange. The leak test
has been augmented to properly cover the leaky case, and the test
now passes.

Also tightened up type checks in runtime.cc and removed Object.observe
functions from knownIssues in fuzz-natives-part2.js.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/264793015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21129 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 21:29:15 +00:00
jochen@chromium.org
4dd8b11171 Introduce a microtask suppression scope and move microtask methods to isolate 
BUG=369503
R=adamk@chromium.org
LOG=y
TEST=cctest/test-api/SetAutorunMicrotasks

Review URL: https://codereview.chromium.org/263933002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 19:30:54 +00:00
rafaelw@chromium.org
72a090f3ee Build cleanup following r21126. Marking Native* methods in object-observe.js as knownProblems in fuzz-natives 
TBR=verwaest

Review URL: https://codereview.chromium.org/265883009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21127 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 17:31:27 +00:00
rafaelw@chromium.org
7c138a7370 Don't leak contexts in Object.observe 
The Object.observe API may construct internal structures as a result of API calls. These structures can persist as long as an object that was once observed persists. This patch ensures that these structures are created in the correct context so as to avoid leaking contexts

R=verwaest@chromium.org, dcarney
BUG=

Review URL: https://codereview.chromium.org/263833007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21126 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 16:13:10 +00:00
rafaelw@chromium.org
699bde3fc5 Update test expectations after re-enabling Object.observe 
TBR=verwaest

Review URL: https://codereview.chromium.org/262823008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21125 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 14:17:13 +00:00
rafaelw@chromium.org
1b270ef5ea Re-enable Object.observe and add enforcement for security invariants. 
This patch reverts r21062 which disabled Object.observe and the relevant tests.

It also adds enforcement for the following three invariants:

1) No observer may receive a change record describing changes to an object which is in different security origin (context have differing security tokens)

2) No observer may receive a change record whose context's security token is different from that of the object described by the change.

3) Object.getNotifier will return null if the caller and the provided object are in differing security origins

Further, it ensures that the global object can never be observed nor a notifier retrieved for it.

Tests are included.
R=verwaest@chromium.org, rossberg
LOG=Y

Review URL: https://codereview.chromium.org/265503002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21122 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 13:55:11 +00:00
ishell@chromium.org
d76ad1691c Fix for a GCMole issue introduced in r21117. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/269743002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21121 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 13:03:39 +00:00
mvstanton@chromium.org
53d7aa29bb v8:3303 MultithreadedParallelIsolates has a race condition 
Disabling test until bug is fixed.
R=svenpanne@chromium.org
BUG=v8:3303
LOG=N

Review URL: https://codereview.chromium.org/263893003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21120 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 12:59:48 +00:00
svenpanne@chromium.org
461bb09b4a Move cache line size calculation directly into CPU::FlushICache. 
This disentagles the initialization/dependency mess quite a bit and
makes things vastly simpler. If the 'mrs' on every flush is too
expensive (which it is hopefully not), the cache line sizes will have
to be instance variables of the CPU class and FlushICache will have to
be a member function. This would involve some more or less tricky
refactorings, which we shouldn't do until we are *really* forced to
do.

BUG=359977
LOG=y
R=rodolph.perfetta@gmail.com

Review URL: https://codereview.chromium.org/269543016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21119 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 12:35:51 +00:00
ishell@chromium.org
b4c1eda032 Checks for empty array case added before casting elements to FixedDoubleArray. 
BUG=chromium:369450
LOG=N
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/264973008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21118 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 11:30:24 +00:00
ishell@chromium.org
ca2def98a5 Map::Normalize() introduced as single entry point for map normalization and Map::NotifyLeafMapLayoutChange() made private. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/263663002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21117 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 10:27:12 +00:00
svenpanne@chromium.org
5170a008d3 Generation of our home-grown memmove doesn't depend on serializer state anymore. 
The serializer state has to be per-Isolate, but at the point where we
generate our memmoves we don't really have an Isolate. Furthermore,
there was no fundamental reason why we shouldn't use our home-grown
memmove during mksnapshot time.

Perhaps we can totally remove our own memmove nowadays, but this would
be a separate CL.

BUG=359977
LOG=y
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/261903002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21116 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 10:14:37 +00:00
bmeurer@chromium.org
972bfb0dd9 Make zone_allocator actually usable. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/267803005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21113 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 08:41:06 +00:00
bmeurer@chromium.org
50d8259fea Fix crash in debug builds introduced with r21110. 
Basically we should not check for map deprecation during
code selection, because that may run on the concurrent
compiler thread. So the fix is to move this logic to the
code generation phase instead, which is always run on the
main thread.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/263803005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21112 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 08:08:23 +00:00
haraken@chromium.org
570fd74fc0 Fix |RunMicrotasks()| leaking reference to the last context being run on. 
RunMicrotasks() executes pending tasks and swaps the old array with a new array. However, the new array contains the reference to the current context as its creation context. This prevents the context from gc-ed until RunMicrotasks() is executed in the different context.

BUG=crbug.com/367016
LOG=y
R=rafaelw@chromium.org, rossberg@chromium.org

Review URL: https://codereview.chromium.org/250883002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21111 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 08:00:47 +00:00
bmeurer@chromium.org
59e5c97ec0 Don't add code dependencies on transitioning stores eagerly. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/256303007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21110 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 06:37:54 +00:00
svenpanne@chromium.org
7bfc426fc9 Object.defineProperty shouldn't be a hint that we're constructing a dictionary. 
BUG=362870
LOG=y
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/261583004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21109 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 06:02:00 +00:00
bmeurer@chromium.org
b7148380cc Drop obsolete HCheckMaps::HandleSideEffectsDominator(). 
In HCheckMaps::HandleSideEffectsDominator() we try to remove
redundant HCheckMaps instructions that are dominated by an
HStoreNamedField instruction with a transition. This is just
a special case of the check elimination and therefore obsolete
(it also gives some nice speedup since GVN just got cheaper).

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/261003002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21108 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-02 05:59:07 +00:00
plind44@gmail.com
30e5a737b3 MIPS: CallICStub with a "never patch" approach by default. 
Port r21093 (21e3836)

Original commit message:
Patching will
occur only when custom feedback needs to be gathered (future CLs).

Now rebased on https://codereview.chromium.org/254623002/, which moves the type feedback vector to the SharedFunctionInfo.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/260753004

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21105 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 20:19:45 +00:00
hpayer@chromium.org
56d0b9757e Remove max space limits in tests. 
BUG=

Review URL: https://codereview.chromium.org/263703003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21104 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 19:32:47 +00:00
hpayer@chromium.org
3dd05f8fc7 Limit old space size in test which require a large new space. 
BUG=

Review URL: https://codereview.chromium.org/265673003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21103 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 18:57:25 +00:00
hpayer@chromium.org
25e7980994 When maximum space size flags are set, overwrite the resource constraints. 
BUG=
R=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/262653002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21102 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 18:13:24 +00:00
m.m.capewell@googlemail.com
d8ad2dd590 ARM64: use jssp for stack slots 
R=bmeurer@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/262533006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21101 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 17:31:05 +00:00
ishell@chromium.org
f7e8255f5c StringTable::Lookup*IfExist() handlified. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/265553003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21100 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 17:27:40 +00:00
ishell@chromium.org
13b64dfe3f ContextSlotCache::Update() handlified. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/263613003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21099 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 17:12:52 +00:00
plind44@gmail.com
016a04197a MIPS: Simplify feedback vector creation and store in SharedFunctionInfo. 
Port r21085 (782ce81)

LOG=N
BUG=v8:3212
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/267433003

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21098 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 15:25:47 +00:00
yangguo@chromium.org
7e367ae0ed Reland "Trigger exception debug event for promises at the throw site." 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/266533003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21097 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 15:17:51 +00:00
ishell@chromium.org
b8008a3e39 ScopeInfo::ContextSlotIndex() handlified. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/253263003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 15:13:38 +00:00
ishell@chromium.org
134ead10d3 Public interface of KeyedLookupCache handlified. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/264563003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21095 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 15:03:18 +00:00
yangguo@chromium.org
792af58115 Revert "Trigger exception debug event for promises at the throw site." 
This reverts r21092.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/262533009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21094 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 14:51:41 +00:00
mvstanton@chromium.org
287f65aec9 CallICStub with a "never patch" approach by default. Patching will 
occur only when custom feedback needs to be gathered (future CLs).

Now rebased on https://codereview.chromium.org/254623002/, which moves the type feedback vector to the SharedFunctionInfo.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/247373002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21093 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 14:33:35 +00:00
yangguo@chromium.org
eed0e7e7a3 Trigger exception debug event for promises at the throw site. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/260723002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21092 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 14:17:40 +00:00
alexandre.rames@arm.com
67ea9e4b42 ARM64: Generate optimized code for Math.floor and Math.round with double outputs. 
R=jkummerow@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/258793002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21091 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 13:38:00 +00:00
jkummerow@chromium.org
2008b820dc Harden more runtime functions 
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/255333004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21090 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 13:19:19 +00:00
yangguo@chromium.org
528fd3c6a7 Do not use default for switch over AllocationSpace. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/262583004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21089 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 12:38:39 +00:00
mvstanton@chromium.org
f720123189 Small cleanup: AstConstructionVisitor no longer needs a Zone pointer. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/265623002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21088 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 12:35:41 +00:00
mvstanton@chromium.org
d46e3a77a0 Fix gcmole warning in EnsureSlotContainsAllocationSite(). 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/268443002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21087 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 12:33:16 +00:00
yangguo@chromium.org
88144ee17f Kiss goodbye to MaybeObject. 
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/259173003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21086 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 12:25:18 +00:00
mvstanton@chromium.org
15dc39a86f Simplify feedback vector creation and store in SharedFunctionInfo. 
LOG=N
BUG=v8:3212
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/254623002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21085 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 10:51:01 +00:00
svenpanne@chromium.org
d60dbdaf27 Unbreak the build after r21083. 
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/266493003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-30 10:24:03 +00:00