AuroraMiddleware/v8
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11385 Commits

Author SHA1 Message Date
bmeurer@chromium.org
fe9f9e20be Add missing factory method for HDebugBreak. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/23619052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16715 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 12:02:50 +00:00
olivf@chromium.org
81425a20b2 Intel: Branch reordering and port arm EmitNumberUntagD() Improvement 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23872026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16714 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 12:01:32 +00:00
hpayer@chromium.org
a844362937 Fix heap verifier for partially constructed arrays when allocation folding is off. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/23934008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16713 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 11:47:54 +00:00
verwaest@chromium.org
3824d596a7 Don't update ICs when the receiver has a deprecated map. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23658047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16712 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 11:14:02 +00:00
dcarney@chromium.org
cb490c9995 remove OS::StackWalk 
R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23703013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16711 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 10:35:35 +00:00
dcarney@chromium.org
564a9a68b8 remove getcurrent from stubs 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23756009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16710 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 10:23:04 +00:00
verwaest@chromium.org
ea77a8edc0 Use regular map-checks to guard string-length loading. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23702039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16709 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 09:57:48 +00:00
mstarzinger@chromium.org
50b0567640 Handlify JSObject::DeepCopy method. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/22934006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16708 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 09:51:11 +00:00
bmeurer@chromium.org
8540129339 ARM: Improve SeqStringSetChar implementation. 
TEST=/test/mjsunit/lithium/SeqStringSetChar.js
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23890007

Patch from Rodolph Perfetta <rodolph.perfetta@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16707 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 09:13:58 +00:00
mvstanton@chromium.org
c29295e88b Revert "Every place where AllocationMemento is initialized with an" 
This reverts r16705 for breaking Windows build.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/23447031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16706 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 08:44:37 +00:00
mvstanton@chromium.org
25c4f763ed Every place where AllocationMemento is initialized with an 
AllocationSite is now checked to be sure a valid Site goes in.
This is temporary code to diagnose chromium bug 284577.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23622029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16705 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 08:13:17 +00:00
rossberg@chromium.org
94c4c596e0 Array "splice" changeRecords should be emitted after the performChange has completed (per spec) 
R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23434008

Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16704 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 08:13:02 +00:00
rossberg@chromium.org
f99298bf5d Allow implicit conversion of acceptList values to string during Object.observe 
R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23464058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16703 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 08:09:39 +00:00
yangguo@chromium.org
e4c179e2d3 Use xorps to break the cvtsi2sd unnecessary dependence due to its partially written 
BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/23654026

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16702 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 07:59:48 +00:00
dslomov@chromium.org
8650fae525 Prepare push to trunk. Now working on version 3.21.16. 
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/23437033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16699 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 07:15:02 +00:00
palfia@homejinni.com
2cec3754da MIPS: Bugfix: array constructors that expect a type feedback cell that points to an AllocationSite were being passed the undefined object in some cases. Clearly separate the cases where we have an AllocationSite and where we don't in the general ArrayConstructorStub. 
Port r16693 (0852d4ab)

BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/23451057

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16698 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 00:10:24 +00:00
palfia@homejinni.com
617f7546a7 MIPS: Refactoring PropertyCallbackInfo & FunctionCallbackInfo, step 1. 
Port r16688 (fcae0bcf)

Original commit message:
The goal is to unify PropertyCallbackInfo and FunctionCallbackInfo so that they
contain the same fields.

The field order will be:
holder
isolate
return value default value
return value
data
this

This step 1 reorders the PropertyCallbackInfo fields.

BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/23513045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16697 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-13 00:04:29 +00:00
verwaest@chromium.org
e9c4a49866 Reland Handle non-JSObject heap objects using slow-path IC stub guarded by the map. 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23578030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16696 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 22:04:04 +00:00
palfia@homejinni.com
4f09f42866 MIPS: Improve code generation for the HRandom instruction. 
Port r16684 (e0f70aa)

Original commit message:
Since the per-context random number generator is now
properly seeded upon context creation, we do not need
to check for lazy-initialization anymore, and so we
can implement the HRandom instruction w/o having to
call into the C function (which means we don't need
to MarkAsCall anymore).

TEST=cctest/test-random
BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/23851028

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16695 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 21:17:43 +00:00
palfia@homejinni.com
705d813291 MIPS: Fix of r16681 
Use v0 for return value.

BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/23437032

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16694 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 20:11:26 +00:00
mvstanton@chromium.org
5521e2e825 Bugfix: array constructors that expect a type feedback cell that points 
to an AllocationSite were being passed the undefined object in some
cases. Clearly separate the cases where we have an AllocationSite and
where we don't in the general ArrayConstructorStub.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23477071

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16693 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 17:59:41 +00:00
verwaest@chromium.org
ff412d8c37 Revert "Handle non-JSObject heap objects using slow-path IC stub guarded by the map." 
TBR=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23475039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16692 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 16:57:37 +00:00
yangguo@chromium.org
cb10ceb19d Reland "Clean up after r16292 (disable optimization for StringWrappers)." 
BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/23619036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16691 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 16:17:58 +00:00
olivf@chromium.org
5a0d1ba831 NumberUntagD is faster when untagging in a temp register 
BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/23684056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16690 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 16:14:38 +00:00
verwaest@chromium.org
f375e0514b Handle non-JSObject heap objects using slow-path IC stub guarded by the map. 
BUG=chromium:280632
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23691056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16689 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 16:12:04 +00:00
mstarzinger@chromium.org
34edb73332 Refactoring PropertyCallbackInfo & FunctionCallbackInfo, step 1. 
The goal is to unify PropertyCallbackInfo and FunctionCallbackInfo so that they
contain the same fields.

The field order will be:
holder
isolate
return value default value
return value
data
this

This step 1 reorders the PropertyCallbackInfo fields.

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

Committed: http://code.google.com/p/v8/source/detail?r=16673

Review URL: https://codereview.chromium.org/23620036

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16688 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 14:32:14 +00:00
jochen@chromium.org
c5b3ce0671 Snapshot i18n Javascript code 
The previous attempt used Boolean instead of $Boolean.

BUG=v8:2745
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23622028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 13:50:38 +00:00
mstarzinger@chromium.org
6c18fbc229 Use trampoline or handlified JSObject::SetLocalPropertyIgnoreAttributes. 
R=verwaest@chromium.org

Committed: http://code.google.com/p/v8/source/detail?r=16642

Review URL: https://codereview.chromium.org/24093002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16686 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 13:27:42 +00:00
bmeurer@chromium.org
0bdbadcfca Improve code generation for the HRandom instruction. 
Since the per-context random number generator is now
properly seeded upon context creation, we do not need
to check for lazy-initialization anymore, and so we
can implement the HRandom instruction w/o having to
call into the C function (which means we don't need
to MarkAsCall anymore).

TEST=cctest/test-random
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/23478031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16684 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 12:12:01 +00:00
titzer@chromium.org
dc901fae7f First implementation of HUnique<T> and HUniqueSet<T>, which is supposed to replace UniqueValueId. 
BUG=
R=rossberg@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/23609020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16683 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 12:08:54 +00:00
olivf@chromium.org
bd5fa9c93b Reland "Fix phis for non-sse2 double values" 
Remove VerifyX87StackDepth from non-debug code.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23621038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16682 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 11:54:47 +00:00
yangguo@chromium.org
151e514930 Simplify installing concurrently recompiled code. 
Instead of overwriting the code entry of the function, we trigger
an interrupt to install the code on the main thread.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23542029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16681 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 11:30:56 +00:00
olivf@chromium.org
599f42f022 Revert "Fix phis for non-sse2 double values" 
Need to investigate box2d regression.

BUG=
TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23437028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16680 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 11:18:10 +00:00
yangguo@chromium.org
ad25a2969d Revert "Clean up after r16292 (disable optimization for StringWrappers)." 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23600040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16679 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 11:15:12 +00:00
ulan@chromium.org
0e8e003077 Implement in-place rehashing of HashTable. 
The algorithm puts elements into correct positions in  multiple iterations.
On the first iteration it tries to put elements at entries specified by
their first hash probe. On the second iteration -- by the second
hash probe, and so on. Overall it does O(k*n) memory accesses, where
k is the maximum number of probes required for an element and n is the
capacity of the hash table. The expectation is that k will be small.

R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23658031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16678 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 11:03:27 +00:00
yangguo@chromium.org
996813cca2 Clean up after r16292 (disable optimization for StringWrappers). 
R=jochen@chromium.org
BUG=v8:2855

Review URL: https://codereview.chromium.org/22891028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16677 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 10:55:57 +00:00
rodolph.perfetta@gmail.com
6a558d107a ARM: remove the regexp specific literal pool. 
It is replaced by a mov_label_offset(Register, Label*) instruction.

BUG=none
TEST=test/cctest/test-assembler-arm.cc
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23515007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16676 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 10:37:42 +00:00
mstarzinger@chromium.org
e6d10e4243 Revert "Refactoring PropertyCallbackInfo & FunctionCallbackInfo, step 1." 
TBR=marja@chromium.org

Review URL: https://codereview.chromium.org/23431019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16675 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 10:03:56 +00:00
yangguo@chromium.org
fa2ad975ed Unnecessay SSE2 check on x64 
BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/23619033

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16674 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 09:47:02 +00:00
mstarzinger@chromium.org
541840f8c1 Refactoring PropertyCallbackInfo & FunctionCallbackInfo, step 1. 
The goal is to unify PropertyCallbackInfo and FunctionCallbackInfo so that they
contain the same fields.

The field order will be:
holder
isolate
return value default value
return value
data
this

This step 1 reorders the PropertyCallbackInfo fields.

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

Review URL: https://codereview.chromium.org/23620036

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16673 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 09:09:39 +00:00
olivf@chromium.org
553d73a289 Fix phis for non-sse2 double values 
Since hydrogen will try to merge phi-inputs using registers, even if
the values are spilled, we cannot mark LGoto as double clobbering
instruction.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23068038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16671 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 09:05:27 +00:00
bmeurer@chromium.org
8dbd822855 Reland "Deuglify V8_INLINE and V8_NOINLINE." 
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/23604054

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16669 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 08:57:10 +00:00
dslomov@chromium.org
0642e1933b Prepare push to trunk. Now working on version 3.21.15. 
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/23653031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16668 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 08:52:29 +00:00
olivf@chromium.org
568e0cada5 Add a missing instruction to the ia32 disassembler. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23451024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16667 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 07:49:03 +00:00
mstarzinger@chromium.org
51b37666e3 Revert "Fix leftover usage of OS::Allocate()." 
TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23691049

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16664 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 20:04:51 +00:00
adamk@chromium.org
ebd4b61f38 Add access check for observed objects 
This change is mostly straightforward: for 'normal' sorts of change records,
simply don't deliver a changeRecord to a given observer callback if an access
the callback's Context is not allowed to "GET" or "HAS" changeRecord.name on
changeRecord.object, or if ACCESS_KEYS is disallowed.

For 'splice' records, the question of whether to hand it to an observer is trickier, since
there are multiple properties involved, and multiple types of possible information leakage.
Given that access-checked objects are very rare (only two in Blink, Window and Location),
and that they are not normally used as Arrays, it seems better to simply not emit any splice
records for such objects rather than spending lots of logic to attempt to avoid information
leakage for something that may never happen.

BUG=v8:2778
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/22962009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16663 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 20:03:54 +00:00
mstarzinger@chromium.org
718a6a9a9e Revert r16648, r16641, r16638 and r16637. 
Original descriptions were:
- "Refactor and cleanup VirtualMemory."
- "Fix typo."
- "Deuglify V8_INLINE and V8_NOINLINE."
- "Don't align size on allocation granularity for unaligned ReserveRegion calls."

Reasons for the revert are:
- Our mjsunit test suite slower by a factor of 5(!) in release mode.
- Flaky cctest/test-alloc/CodeRange on all architectures and platforms.
- Tankage of Sunspider by about 6% overall (unverified).

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23970004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16662 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 18:30:01 +00:00
mstarzinger@chromium.org
ebbd9c8ed7 Revert "Unify computation of load stubs in stub cache." 
TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/24095005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16661 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 16:27:41 +00:00
mstarzinger@chromium.org
45a65d870d Unify computation of load stubs in stub cache. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23647011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16660 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 15:44:09 +00:00
mstarzinger@chromium.org
8bf91ffe71 Revert "Use trampoline or handlified JSObject::SetLocalPropertyIgnoreAttributes". 
This was reverted due to performance regressions on Sunspider and other
benchmarks due to double GCs caused by the trampoline.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23435006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16659 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 15:16:56 +00:00
yangguo@chromium.org
ea43b5ea0c Make handle dereference check more precise. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23578022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16658 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 15:12:27 +00:00
palfia@homejinni.com
ef32bb4602 MIPS: remove most uses of Isolate::Current in arch specific files. 
Port r16643 (b818da5)

BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/24108002

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16657 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 14:36:27 +00:00
palfia@homejinni.com
f81ac2662a MIPS: thread isolate for EntryHookTrampoline. 
Port r16630 (e045054)

BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/23503050

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16656 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 14:15:18 +00:00
mstarzinger@chromium.org
5dc202d274 Revert "Handlify JSObject::AddProperty method" for performance. 
TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23464069

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16655 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 13:42:57 +00:00
mvstanton@chromium.org
6790b83748 To diagnose chromium bug 284577, some additional CHECKS. TODOs are 
added so these can be backed out once the cause of the bug is determined.

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/23936007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16654 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 13:39:11 +00:00
verwaest@chromium.org
dcad4b8d08 Delete useless CompileStoreGlobal 
StoreGlobal stubs are generated by Hydrogen now

BUG=
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23881004

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16653 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 13:34:07 +00:00
yangguo@chromium.org
64bb1800a5 Add assertion to UniqueValueId constructor. 
R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23781006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16652 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 13:00:27 +00:00
titzer@chromium.org
1610803b79 Improve alias analysis for HConstants (and fix small snafu in MustAlias). 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/24107003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16651 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 12:59:07 +00:00
dslomov@chromium.org
488ba18a13 Clean-up v8::ArrayBuffer::Allocator interface 
BUG=v8:2823
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23514050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16650 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 12:54:28 +00:00
yangguo@chromium.org
62ac593d5a Pass PC offset into runtime when compiling for OSR. 
R=titzer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23842004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16649 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 12:39:00 +00:00
bmeurer@chromium.org
0e7f6a296e Don't align size on allocation granularity for unaligned ReserveRegion calls. 
Also add additional ASSERTs to help tracking the flaky
test-alloc/CodeRange in Windows.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23542027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16648 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 11:33:18 +00:00
mstarzinger@chromium.org
c570640334 Handlify JSObject::AddProperty method. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23883007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16647 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 11:00:36 +00:00
dcarney@chromium.org
bf503d5f76 thread isolate for logging calls 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23710025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16646 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 10:59:39 +00:00
titzer@chromium.org
8656dfdff9 Implement simplistic local alias analysis, which will be used in both check elimination and load elimination. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23516010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16645 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 10:53:56 +00:00
rossberg@chromium.org
efd71c9999 performChange no longer takes a |receiver| argument. 
The spec omits the receiver arg with the idea arrow functions with lexical |this| will obviate the need for it.

BUG=
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/23727006

Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16644 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 10:52:20 +00:00
dcarney@chromium.org
0a6d15453c remove most uses of Isolate::Current in arch specific files 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/24031003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16643 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 10:51:06 +00:00
mstarzinger@chromium.org
ae7813cacf Use trampoline or handlified JSObject::SetLocalPropertyIgnoreAttributes. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/24093002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16642 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 10:46:49 +00:00
bmeurer@chromium.org
b60d340e08 Deuglify V8_INLINE and V8_NOINLINE. 
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/23494047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16641 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 10:28:09 +00:00
bmeurer@chromium.org
b60b8c3b4b Fix leftover usage of OS::Allocate(). 
TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23514048

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16640 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 09:37:37 +00:00
titzer@chromium.org
562d8ddcb9 Remove dead strings from heap.h 
BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23600023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16639 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 08:58:38 +00:00
bmeurer@chromium.org
269ce960cf Fix typo. 
TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23710023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16638 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 08:56:33 +00:00
bmeurer@chromium.org
a797a35975 Refactor and cleanup VirtualMemory. 
Remove a lot of platform duplication, and simplify the virtual
memory implementation. Also improve readability by avoiding bool
parameters for executability (use a dedicated Executability type
instead).

Get rid of the Isolate::UncheckedCurrent() call in the platform
code, as part of the Isolate TLS cleanup.

Use a dedicated random number generator for the address
randomization, instead of messing with the per-isolate random
number generators.

TEST=cctest/test-virtual-memory
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23641009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16637 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 08:47:02 +00:00
dcarney@chromium.org
9a8344b1e7 some random isolate threading 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23494046

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16636 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 08:39:38 +00:00
hpayer@chromium.org
4537c07354 Prepare push to trunk. Now working on version 3.21.14. 
R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23994004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16633 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 08:23:37 +00:00
dcarney@chromium.org
afabbe177d remove ISOLATE 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23480067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16632 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 07:28:47 +00:00
dcarney@chromium.org
cc2257b92a move HEAP to /test 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23468021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16631 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 07:14:41 +00:00
dcarney@chromium.org
c2bea784e1 thread isolate for EntryHookTrampoline 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23587019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16630 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 06:56:47 +00:00
adamk@chromium.org
9139e1a864 This patch implements optimized objectInfo structure which manages the set of observers associated with an object and the changeRecord types which they accept. 
Observation in the normal case (Object.observe, default accept types, one observer) now allocates fewer objects and unobservation no longer needs to scan and splice an InternalArray -- making the combined speed of observe/unobserve about 200% faster.

This patch implements the following optimizations:

-objectInfo is initially created without any connected objects or arrays. The first observer is referenced directly by objectInfo, and when a second observer is added, changeObservers converts to a mapping of callbackPriority->observer, which allows for constant time registration/de-registration.

-observer.accept and objectInfo.performing are conceptually the same data-structure. This is now directly represented as an abstract "TypeMap" which can later be optimized to be a smi in common cases, (e.g:   https://codereview.chromium.org/19269007/).

-objectInfo observers are only represented by an object with an accept typeMap if the set of accept types is non-default

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/19541010

Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16629 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 18:13:54 +00:00
hpayer@chromium.org
f0f3ddc5c7 Check that AllocationMementos never get scavengend. 
BUG=
R=mstarzinger@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/24052003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16628 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 17:29:39 +00:00
yangguo@chromium.org
534434e616 a small fix: DependentCode contains check against related dependency group 
BUG=
R=ulan@chromium.org, yangguo@chromium.org

Review URL: https://codereview.chromium.org/23648009

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16627 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 16:41:46 +00:00
mstarzinger@chromium.org
1c91d00bf7 Remove V8_WARN_UNUSED_RESULT for simple getters. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23629031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16624 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 15:03:17 +00:00
mstarzinger@chromium.org
448d98e19d Use raw-to-handle trampoline in [Get/Set]HiddenPropertiesHashTable. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/23629040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16623 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 14:33:06 +00:00
dcarney@chromium.org
47e86b889e Get rid of most uses of 'Temporary macro' HEAP 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23708030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16622 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 14:30:36 +00:00
dcarney@chromium.org
ce687e4bed thread isolate for DebugMessage 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23904012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16621 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 14:26:07 +00:00
rodolph.perfetta@gmail.com
2846d9f394 ARM: replace RegExpCEntryStub with DirectCEntryStub. 
RegExpCEntryStub is therefore removed.

BUG=none
TEST=none
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23468015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16618 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 13:50:26 +00:00
olivf@chromium.org
3483c257d2 Revert TranscendentalCacheStub changes in r16615. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23889013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16616 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 13:28:21 +00:00
olivf@chromium.org
f1b908d566 Move ToInt conversions to the MacroAssembler for x64 
+ Prevent truncating TaggedToI from bailing out.

(This is a port of r16464)

BUG=
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/23938003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16615 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 12:37:30 +00:00
svenpanne@chromium.org
527152aa5c Initialize forgotten Isolate member. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23769008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16613 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 11:32:15 +00:00
bmeurer@chromium.org
eb381b9444 Introduce a RandonNumberGenerator class. Refactor the random/private_random uses in Isolate/Context. 
The RandomNumberGenerator is a pseudorandom number generator
with 48-bit state. It is properly seeded using either

(1) the --random-seed if specified, or
(2) the entropy_source function if configured, or
(3) /dev/urandom if available, or
(4) falls back to Time and TimeTicks based seeding.

Each Isolate now contains a RandomNumberGenerator, which replaces
the previous private_random_seed.

Every native context still has its own random_seed. But this random
seed is now properly initialized during bootstrapping,
instead of on-demand initialization. This will allow us to cleanup
and speedup the HRandom implementation quite a lot (this is delayed
for a followup CL)!

Also stop messing with the system rand()/random(), which should
not be done from a library anyway! We probably re-seeded the
libc rand()/random() after the application (i.e. Chrome) already
seeded it (with better entropy than what we used).

Another followup CL will replace the use of the per-isolate
random number generator for the address randomization and
thereby get rid of the Isolate::UncheckedCurrent() usage in
the platform code.

TEST=cctest/test-random-number-generator,cctest/test-random
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23548024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16612 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 11:13:55 +00:00
loislo@chromium.org
f6b7ec4da0 HeapProfiler: very slow ~4min "take snapshot time" for 80MB gmail heap. 
The reason of that is a number of cons strings in the app.
The app constructs a json string and as a result v8 heap has
a very long chain of cons strings.

Profiler counts all these strings as plain String objects and
assign the content of the strings as node names.

It required O(n^2) time and O(n^2) memory.

Solution: I introduced two new types, kConsString and kSliced string.
They do not use the content of the string for names. So the problem disappeared.

The heap profiler usability problem will be solved on Blink side.

BUG=285770
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/23460027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16611 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 11:12:35 +00:00
titzer@chromium.org
8b280df422 Remove unused method HType::IsTagged(). 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/24087004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16610 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 11:11:26 +00:00
yangguo@chromium.org
5a5f863f13 Fix concurrent osr. 
InstallOptimizedCode aquires ownership on the compilation info and deletes
it on return, tearing down the attached zone.  The OptimizingCompiler
object is a zone object allocated in just that zone, so it also gets
deleted.  Effectively, InstallOptimizedCode cleans up when it's done, so
the OptimizingCompiler object it receives is invalidated afterwards.

R=titzer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23769007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16609 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 11:09:22 +00:00
svenpanne@chromium.org
4ef84b9240 Add a ResourceConstraint for the embedder to specify that V8 is running on a memory constrained device. 
This enables us to specialize certain operations such that we limit memory
usage on low-memory devices, without reducing performance on devices which
are not memory constrained.

BUG=chromium:280984
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23464022

Patch from Ross McIlroy <rmcilroy@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16608 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 10:57:00 +00:00
svenpanne@chromium.org
d9bc6f7078 Move Maybe template into v8.h so it can be used by SetResourceConstraints 
BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23767009

Patch from Ross McIlroy <rmcilroy@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16607 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 10:53:33 +00:00
svenpanne@chromium.org
d571a91e4a Remove HandleScope default ctor. 
BUG=chromium:236173
R=bmeurer@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23530045

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16605 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 06:43:23 +00:00
bmeurer@chromium.org
24a0cabddc Use PAGE_NOACCESS for guard pages in Windows. 
Up until now we used PAGE_GUARD for guard pages in Windows, which
will raise a STATUS_GUARD_PAGE_VIOLATION exception on first access
and grant regular access afterwards. This behavior is required to
implement automatic stack checking, or more generally to implement
applications that monitor the growth of large dynamic data structures.

However, this is not what we want for our guard pages, which are
used as a security mechanism. What we really want is PAGE_NOACCESS
here, which is the Windows-equivalent of PROT_NONE that we use on
all other platforms.

R=cdn@chromium.org

Review URL: https://codereview.chromium.org/23458022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16604 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-10 05:54:15 +00:00
mstarzinger@chromium.org
9f56581fac Enable escape analysis for Hydrogen. 
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/23458036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 17:12:59 +00:00
olivf@chromium.org
12b250bf04 Extend assembler and codegen with more fpu arithmetic 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/21509003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16600 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 16:57:35 +00:00
titzer@chromium.org
49d9555a97 Generate a custom OSR entrypoint for OSR compiles on all platforms, and transition to optimized code using the special entrypoint, instead of through the deoptimizer. Do not install the OSR compiled code as _the_ optimized code for a function. 
Remove OSR-related stuff from deoptimizer.
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21340002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16599 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 16:34:40 +00:00
yangguo@chromium.org
01e913e874 Correctly stringify mixed encoding indirect strings. 
R=verwaest@chromium.org
BUG=287476

Review URL: https://codereview.chromium.org/23480051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16598 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 16:15:40 +00:00
dcarney@chromium.org
33fbaaf772 put js accessor ics behind a flags until fixed 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23816009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16597 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 15:03:03 +00:00
palfia@homejinni.com
e5eaef56d2 MIPS: thread isolate for HConstant::handle. 
Port r16587 (45fc067)

BUG=

Review URL: https://codereview.chromium.org/23444041
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16596 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 15:02:41 +00:00
mstarzinger@chromium.org
1a26455d22 Handlify JSObject::EnsureCanContainHeapObjectElements method. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23818005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16595 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 14:29:47 +00:00
dslomov@chromium.org
a649a3a254 Prepare push to trunk. Now working on version 3.21.13. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/23684035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16592 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 11:50:28 +00:00
mstarzinger@chromium.org
ba48f3bd8c Consider out-of-bounds accesses as escaping uses. 
R=titzer@chromium.org
TEST=mjsunit/compiler/escape-analysis

Review URL: https://codereview.chromium.org/23892007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16589 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 09:53:58 +00:00
dcarney@chromium.org
66c8b527e8 new persistent semantics 
adds copying and autodispose as traits

R=marja@chromium.org, mstarzinger@chromium.org, svenpanne@chromium.org

BUG=

Review URL: https://codereview.chromium.org/23401003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 09:25:23 +00:00
dcarney@chromium.org
7983023682 thread isolate for HConstant::handle 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/24027004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16587 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 07:57:23 +00:00
dcarney@chromium.org
c20f87a654 add uncached Function::New 
TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/24071002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 07:52:52 +00:00
dcarney@chromium.org
5b0a281604 revert 16584 for breaking build 
TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23680014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16585 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 07:16:24 +00:00
dcarney@chromium.org
ddc5d437bb add uncached Function::New 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23561007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16584 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 07:08:34 +00:00
bmeurer@chromium.org
d4d66a712e Replace uses of MUST_USE_RESULT by V8_WARN_UNUSED_RESULT in ElapsedTimer. 
R=bmeurer@chromium.org
Signed-off-by: Thiago Farina <tfarina@chromium.org>

Review URL: https://codereview.chromium.org/23523034

Patch from Thiago Farina <tfarina@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16583 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-09 05:44:54 +00:00
prybin@chromium.org
48cae75df8 Debug: parameterize 'step over' action with a frame where the step must be performed 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/23533015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16581 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-08 19:05:29 +00:00
palfia@homejinni.com
070d18f9ca MIPS: store ics for js api accessors. 
Port r16571 (9266312)

BUG=

Review URL: https://codereview.chromium.org/23780003
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16580 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 17:21:27 +00:00
jkummerow@chromium.org
daee0d83db Fix bitwise negation on x64 
BUG=chromium:285355
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/24037003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16579 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 15:21:38 +00:00
svenpanne@chromium.org
e43e483143 Some thread data simplifications. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/24036002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16577 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 13:18:26 +00:00
rodolph.perfetta@gmail.com
82f0649c76 ARM: Improve integer multiplication. 
TEST=test/mjsunit/lithium/MulI.js
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23452022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16576 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 13:12:46 +00:00
verwaest@chromium.org
e25e6ab25d Let BuildStore/BuildLoad distinguish between keyed/named load/stores. 
R=bmeurer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23537024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16575 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 13:06:39 +00:00
bmeurer@chromium.org
b256475512 It should break out while loop once page_has_scan_on_scavenge_flag is found, there is no need check all of the items in the list. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23597017

Patch from Bangfu Tao <bangfu.tao@samsung.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16574 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 12:25:46 +00:00
svenpanne@chromium.org
f5f47208b1 Fixed 2 space leaks in CreateMemmoveFunction, finally making valgrind happy. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23714007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16573 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 11:41:02 +00:00
verwaest@chromium.org
18f6577bad Properly filter types using the initial map from HAllocate. 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23615012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16572 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 11:32:46 +00:00
dcarney@chromium.org
3a3a27b2ee store ics for js api accessors 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23549019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16571 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 11:31:25 +00:00
bmeurer@chromium.org
63c817cc55 Drop GetCurrentThreadId() and TerminateExecution(int) from the external API. 
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/23538007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16570 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 11:29:13 +00:00
mstarzinger@chromium.org
405ddeb30c Revert "Fix multiple V8::Dispose calls since r16563." and disable test. 
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/23522022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 11:24:26 +00:00
jkummerow@chromium.org
917356285a Fix polymorphic INTERCEPTOR StoreICs on ARM/MIPS 
BUG=chromium:284998
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23990004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16566 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 11:04:20 +00:00
mstarzinger@chromium.org
15f6fdeb3e Fix multiple V8::Dispose calls since r16563. 
R=svenpanne@chromium.org
BUG=v8:2744
TEST=cctest/test-api/InitializeAndDisposeMultiple

Review URL: https://codereview.chromium.org/23775007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16565 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 11:02:43 +00:00
yurys@chromium.org
43780dbdc9 Check if timeout has expired after processing each sample 
To avoid long intervals between taking samples due to processing all accumulated samples at once, the samples are processed one by one and we check if the sampling interval has elapsed after each step rather than after processing all the samples in the queue.

This is a modified version of r16549 whith a fix for test flakiness. The test flakiness introduced by the previous version of this changed was fixed by changing return type of ProfilerEventsProcessor::ProcessOneSample from bool to enum with 3 options. In the main profiling loop we decide that the next code event should be processed when sample with a greater ordinal number is encountered. When processing remaining samples we shouldn't wait for more samples and if the samples queue is empty we just process next code event.

BUG=v8:2814,v8:2871
R=bmeurer@chromium.org, loislo@chromium.org

Review URL: https://codereview.chromium.org/23455036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16564 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-06 06:25:06 +00:00
mstarzinger@chromium.org
d1cfe6c8dd Remove obsolete global V8::has_been_fooed flags. 
R=yangguo@chromium.org
BUG=v8:2744
TEST=cctest/test-api/InitializeAndDispose

Review URL: https://codereview.chromium.org/23453030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16563 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 18:53:39 +00:00
mstarzinger@chromium.org
9b1ab75c51 Consistently use CHECK_ALIVE_OR_RETURN in graph builder. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23819026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16562 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 18:41:20 +00:00
jkummerow@chromium.org
44e5982243 Prepare push to trunk. Now working on version 3.21.12. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23519008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16559 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 16:29:07 +00:00
verwaest@chromium.org
79a5834cd0 Wrap PushLoad and BuildStoreInEffect in CHECK_ALIVE. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23903017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16558 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 16:22:46 +00:00
jkummerow@chromium.org
9c21e6b7d2 MIPS: load ics for js api accessors. 
Port r16551 (61ce507)

BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/23868007

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16557 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 16:19:33 +00:00
yangguo@chromium.org
d9659da6f4 Fix bug in regexp result object construction. 
R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23548018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16556 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 14:32:49 +00:00
loislo@chromium.org
bbd26abedb Functions may not be optimized and we would like to know in cpu profiler what was the reason. 
Current v8 implementation may disable optimization for a particular function or block it with help of dont_optimize flag.
The patch propagates the reason of that to the SharedFunctionInfo where cpu profiler can get it.

SharedFunctionInfo is a heap object so I extracted 8 bits from OptsCount for handling bailout reason code.

BUG=none
TEST=test-profile-generator/BailoutReason
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/23817003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16555 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 13:20:51 +00:00
verwaest@chromium.org
b41a7b9cea Properly close the CountOperation value/effect context after leaving the store effect context. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23897003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16554 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 12:33:14 +00:00
yurys@chromium.org
3ea3308e04 Revert r16548 due to cpu profiler test falkiness 
The change made cctest/test-cpu-profiler/CollectCpuProfile and cctest/test-cpu-profiler/JsNative1JsNative2JsSample flaky.

BUG=v8:2871
TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23615011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16553 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 12:17:17 +00:00
dcarney@chromium.org
d208d048ac remove most Isolate::Current asserts 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23493019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16552 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 11:27:22 +00:00
dcarney@chromium.org
04c1b38d84 load ics for js api accessors 
TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23984002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16551 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 11:18:52 +00:00
dcarney@chromium.org
6e40b4250c fix mac build after 16548 
TBR=bmeurer@chromium.org,yurys@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23452023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16550 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 11:14:14 +00:00
yurys@chromium.org
e9c47357e6 Rename some of SamplingCircularQueue methods 
Renamed StartDequeue -> Peek, FinishDequeue -> Remove.

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

Review URL: https://codereview.chromium.org/23686006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16549 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 10:31:18 +00:00
yurys@chromium.org
8d6a096c42 Check if timeout has expired after processing each sample 
To avoid long intervals between taking samples due to processing all accumulated samples at once, the samples are processed one by one and we check if the sampling interval has elapsed after each step rather than after processing all the samples in the queue.

BUG=v8:2814
R=bmeurer@chromium.org, loislo@chromium.org

Review URL: https://codereview.chromium.org/23583036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16548 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 10:28:57 +00:00
dcarney@chromium.org
215ae8aa6d revert 16543 for breaking windows build 
load ics for js api accessors

TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23819021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 10:21:29 +00:00
mstarzinger@chromium.org
f670b2af85 Prevent representation inference from double-visiting. 
This prevents representation inference from pushing the current value
into the worklist while it is still being worked on. This might lead
to having a value in the worklist that isn't flexible anymore.

R=verwaest@chromium.org
TEST=mjsunit/compiler/escape-analysis (+GC-Stress)

Review URL: https://codereview.chromium.org/23452020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16546 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 09:01:28 +00:00
dcarney@chromium.org
88910423c2 add isolate parameter for Execution::Call 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23661004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16545 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 08:48:34 +00:00
dcarney@chromium.org
11af95d749 load ics for js api accessors 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23699002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16543 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 08:34:17 +00:00
bmeurer@chromium.org
2fdadd7794 Drop OS::IsOutsideAllocatedSpace() and move the tracking to the MemoryAllocator. 
Instead of globally tracking allocated space limits, which was
not implemented properly anyway (i.e. lack of synchronization
on the reading side), track it per MemoryAllocator (that is
per heap/isolate).

In particular, avoid to call IsBadWritePtr() on Windows, it is
obsolete and Microsoft strongly discourages its usage.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23903008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16542 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-05 08:17:57 +00:00
adamk@chromium.org
a6a8455fdb Revert "This patch implements optimized objectInfo structure which manages the set of observers associated with an object and the changeRecord types which they accept." 
This reverts r16539 as it triggers crashes on the GC stress bot.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16540 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-04 20:43:21 +00:00
adamk@chromium.org
b26d28d964 This patch implements optimized objectInfo structure which manages the set of observers associated with an object and the changeRecord types which they accept. 
Observation in the normal case (Object.observe, default accept types, one observer) now allocates fewer objects and unobservation no longer needs to scan and splice an InternalArray -- making the combined speed of observe/unobserve about 200% faster.

This patch implements the following optimizations:

-objectInfo is initially created without any connected objects or arrays. The first observer is referenced directly by objectInfo, and when a second observer is added, changeObservers converts to a mapping of callbackPriority->observer, which allows for constant time registration/de-registration.

-observer.accept and objectInfo.performing are conceptually the same data-structure. This is now directly represented as an abstract "TypeMap" which can later be optimized to be a smi in common cases, (e.g:   https://codereview.chromium.org/19269007/).

-objectInfo observers are only represented by an object with an accept typeMap if the set of accept types is non-default

R=rossberg@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=16343

Review URL: https://codereview.chromium.org/19541010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16539 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-04 19:21:30 +00:00
verwaest@chromium.org
50ae7dbe31 Ignore use requirement from never run code 
BUG=
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23441046

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16538 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-04 15:25:13 +00:00
mstarzinger@chromium.org
17d21a5119 Fix compilation with Clang after r16530. 
TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/23526015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16534 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-04 15:06:36 +00:00
jkummerow@chromium.org
f5ec7c5835 Prepare push to trunk. Now working on version 3.21.11. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23955002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16531 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-04 13:55:11 +00:00