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Author SHA1 Message Date
weiliang.lin@intel.com
f6ac5ae69c X87: Small changes in preparation for Hydrogen-generated KeyedLoadGeneric 
Port r21535(8bb4c2b)

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/302453011

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21550 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 08:19:43 +00:00
weiliang.lin@intel.com
0f2f60bd37 X87: Convert String array index/length hash to BitField. 
Port r21533 (736c779)

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/298293007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21549 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 08:18:39 +00:00
weiliang.lin@intel.com
d5c4ad309e X87: Merge Debugger and Debug. 
port r21524 (af88824)

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/298193004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21548 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 08:17:21 +00:00
weiliang.lin@intel.com
2312c8abdf X87: Avoid HeapObject check in HStoreNamedField. 
port r21509 (78a54b0)

Original commit message:
This way an HStoreNamedField instruction can never deoptimize
itself, which is another important step towards a working
store elimination.

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/306483013

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 08:16:11 +00:00
jochen@chromium.org
6e3ffe1ca1 Extract build configuration into a separate header and move it to the base lib 
With this, change, atomicops, once, and lazy instance are no longer dependant
on v8 core. I'll move them in a follow-up change to the libbase as well.

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

Review URL: https://codereview.chromium.org/303463005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21546 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 08:07:18 +00:00
bmeurer@chromium.org
1102eeafe4 Reuse ZoneList memory if possible. 
Clear() is rather wasteful for ZoneLists, because it discards
all previously allocated memory, making it impossible to reuse
until the whole Zone is released. Better use Rewind(0) in this
case, which just resets the length to zero.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/302783007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21545 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 08:06:14 +00:00
yangguo@chromium.org
5599b3a743 Fix path tracer test. 
Path tracer is not compatible with --enable-slow-assert.

R=mstarzinger@chromium.org
BUG=v8:3350
LOG=N

Review URL: https://codereview.chromium.org/297193005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21542 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 06:42:01 +00:00
weiliang.lin@intel.com
716be75bd0 X87: Skip write barriers in the fast case when setting up local context. 
Port r21481 (5973b48)

Original commit message:
The FastNewContextStub always allocates in new space, so we don't
need to update the write barrier when copying the parameters to
the newly allocated context.

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/307433004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21541 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-28 04:56:28 +00:00
plind44@gmail.com
382619d3c0 MIPS: Fix improper register use in DoMinMax. 
This fixes failure on pidigit benchmark from web-shootout
after 840 digits are calculated.

TEST=
BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/300853002

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21540 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 23:54:07 +00:00
plind44@gmail.com
47664dc108 MIPS: Convert String array index/length hash to BitField. 
Port r21533 (736c779)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/297233007

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21539 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 17:11:33 +00:00
rossberg@chromium.org
5192a0d0d9 Fix check for empty type 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/307453005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21538 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 17:07:39 +00:00
plind44@gmail.com
a63ea2d3a3 MIPS: Use TempDoubleRegister. 
Port r21517 (53d6507)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/305563002

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21537 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 17:06:40 +00:00
jochen@chromium.org
88abd8abed Reland 21529 - "Add a flag to d8 to invoke weak callbacks" 
> This will send an idle notification and a low memory notification after
> each test.
>
> For some reason it's not enough to send a low memory notification alone.
>
> BUG=none
> R=yangguo@chromium.org
> LOG=n

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

Review URL: https://codereview.chromium.org/297213006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21536 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 15:16:42 +00:00
danno@chromium.org
0f929e7a54 Small changes in preparation for Hydrogen-generated KeyedLoadGeneric 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/303583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21535 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 15:15:49 +00:00
mstarzinger@chromium.org
6b33e50701 Revert "Make 'name' property on functions configurable." 
R=danno@google.com, danno@chromium.org

Review URL: https://codereview.chromium.org/297163009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21534 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 15:00:26 +00:00
danno@chromium.org
6fa616ad73 Convert String array index/length hash to BitField 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/300023011

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21533 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 14:55:29 +00:00
rossberg@chromium.org
68a1a59556 Remove cpp hack to avoid link failures on Windows 
TBR=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/298133005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21532 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 14:26:32 +00:00
yangguo@chromium.org
c92d6f57ee Revert "Add a flag to d8 to invoke weak callbacks" 
This reverts r21529.

TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/302543004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21531 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 14:21:46 +00:00
jochen@chromium.org
f9e0a90340 Drop unused includes from worker-thread.cc 
BUG=none
R=marja@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/302463007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21530 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:58:51 +00:00
jochen@chromium.org
4cc924251d Add a flag to d8 to invoke weak callbacks 
This will send an idle notification and a low memory notification after
each test.

For some reason it's not enough to send a low memory notification alone.

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

Review URL: https://codereview.chromium.org/306483006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21529 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:57:48 +00:00
rossberg@chromium.org
7ac892c8bd Establish distributivity for type union & intersection 
This requires introducing proper bounds on all leaf types, so that intersection between bitsets and these types can be accurately represented. Extending a union also becomes more involved.

(On the upside, the modified union/intersect algorithm would now allow support for proper variance for function types.)

Not sure if it is worth landing this. Distributivity isn't really a crucial property for our use cases. It seems fine if intersection is slightly lossy.

R=bmeurer@chromium.org, jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/251753005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21528 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:52:31 +00:00
jochen@chromium.org
276adeda1a Replace STATIC_CHECK with STATIC_ASSERT. 
It's just an alias, and STATIC_ASSERT is used way more often

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

Review URL: https://codereview.chromium.org/304553002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21527 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:43:29 +00:00
yangguo@chromium.org
4309b34e40 Skip PathTracer test for now. 
TBR=mstarzinger@chromium.org
BUG=3350
LOG=N

Review URL: https://codereview.chromium.org/305583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21526 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:40:40 +00:00
plind44@gmail.com
052c36a3ca MIPS: Avoid HeapObject check in HStoreNamedField. 
Port r21509 (78a54b0)

Original commit message:
This way an HStoreNamedField instruction can never deoptimize
itself, which is another important step towards a working
store elimination.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/297143007

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21525 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:37:33 +00:00
yangguo@chromium.org
95a9c7e565 Merge Debugger and Debug. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/301633005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21524 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:20:58 +00:00
yangguo@chromium.org
1630b6d83c Fix PathTracer. 
When tracing, we abuse the map for marking, thereby mutating it.
FixedTypedArrayBase::size() uses the object's map, which causes crash.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/300753002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21523 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 13:05:11 +00:00
yangguo@chromium.org
db8f7e0383 Cache optimization status getter in mjsunit.js 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/300003007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21522 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 12:52:15 +00:00
vogelheim@chromium.org
ee88832bb9 Add defensive assert against a weak callback on an empty persistent. 
(This shouldn't happen in the first place, as by definition that callback would never be called. However, the referenced bug sorta looks like this happened. If so, the CHECK should help us pinpoint the culprit.)

R=jochen@chromium.org
BUG=368095
LOG=N

Review URL: https://codereview.chromium.org/265823006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21521 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 12:26:44 +00:00
yangguo@chromium.org
620555b495 Do not break in native code (including non-builtin debugger code). 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/300773002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21520 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 12:21:40 +00:00
jochen@chromium.org
47cea50399 Replace some calls to MemCopy with small constant sizes with memcpy 
MemCopy is only meant for variable size, large (>64bytes) copies,
otherwise, it's probably slower than memcpy due to the call
overhead and the compiler can't optimize it away.

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

Review URL: https://codereview.chromium.org/306453005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21519 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 12:02:44 +00:00
yangguo@chromium.org
2097644fcf Do not (eagerly) trigger exception in mjsunit.js. 
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/301673002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21518 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 11:53:12 +00:00
m.m.capewell@googlemail.com
9678ff12c6 ARM: use TempDoubleRegister 
R=ulan@chromium.org, bmeurer@chromium.org

Review URL: https://codereview.chromium.org/302453008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21517 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 10:22:53 +00:00
verwaest@chromium.org
b60054df88 Remove HType::HeapNumber from mutable heap numbers. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/293353004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21516 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 09:40:04 +00:00
danno@chromium.org
621c7eb673 Convert ElementsKind into a BitField 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/306513002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21515 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 09:38:01 +00:00
vogelheim@chromium.org
06086a90e0 Fix the "PersistentValueMap" memory leak reported here: 
http://build.chromium.org/p/client.v8/builders/V8%20Linux64%20ASAN

The bug:
The code assumed that a weak Persistent whose weak callback is being
called would still be weak. That isn't true since the persistent is
un-weakened by the garbage collector before calling the weak callback. [1]

Specifically, PersistentValueMap would funnel all 'remove' actions
through its Release method, which uses PersistentBase::ClearWeak to
obtain the callback data. [2] For 'removes' caused by the weak callback,
ClearWeak always returns a NULL-pointer since by that time the weak
persistent was already un-weakend. The result was a memory leak in
the test, since the code to delete the weak callback data would
delete NULL.

The fix:
I explicity call Traits::DisposeCallbackData from the weak callback
with the data obtained from the v8::WeakCallbackData. To avoid invalid
calls to DisposeCallbackData, I also check whether this instance is
(still) weak before calling it. (That check could easily be elided
if it's expensive, for the price of having two 'remove' code paths.)

Severety:
Probably low. At least in Chromium, noone uses the API in a way to
trigger this; only the test does.

[1] https://code.google.com/p/chromium/codesearch#chromium/src/v8/src/global-handles.cc&q=global-handles.cc&sq=package:chromium&type=cs&l=231
[2] https://code.google.com/p/chromium/codesearch#chromium/src/v8/include/v8-util.h&sq=package:chromium&l=332-345

R=dcarney@chromium.org, dcarney

BUG=

Review URL: https://codereview.chromium.org/297193004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21514 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 09:31:06 +00:00
hpayer@chromium.org
0fde744d00 Escape % in SNPrintF call in pretenuring test. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/298183002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21513 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 08:41:12 +00:00
jochen@chromium.org
84e078e561 Reland 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils" 
Verified that arm builds locally.

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

Review URL: https://codereview.chromium.org/306473004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21512 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 07:57:22 +00:00
hpayer@chromium.org
b3c067ff03 Remove global pretenuring mode. 
BUG=
R=bmeurer@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/304493002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21511 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 07:48:36 +00:00
yangguo@chromium.org
c03b98484a Fix d8's interactive shell. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/305553002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21510 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 07:19:32 +00:00
bmeurer@chromium.org
7e8678bbaa Avoid HeapObject check in HStoreNamedField. 
This way an HStoreNamedField instruction can never deoptimize
itself, which is another important step towards a working
store elimination.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/299373005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21509 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 07:17:08 +00:00
yangguo@chromium.org
94b4aef7d6 Fix arm64 gc stress issue. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/306483002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21506 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 06:35:45 +00:00
bmeurer@chromium.org
6ae4a89e79 Relax register constraints for LMathSqrt. 
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/299423005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21505 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-27 04:19:18 +00:00
jochen@chromium.org
eabd5a19b9 Revert 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils" 
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/297303004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21504 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 19:56:27 +00:00
jochen@chromium.org
6640ed7235 Buildfix for arm 
TBR=jkummerow@chromium.org
LOG=n
BUG=none

Review URL: https://codereview.chromium.org/299353006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21503 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 19:43:01 +00:00
jochen@chromium.org
a5a21a0da4 Move OS::MemCopy and OS::MemMove out of platform to utils 
Since both are jitted on some platforms and depend on codegen, they
don't belong to the platform abstraction. At the same time, I can't put
them to codegen.h, as this would introduce cyclic dependencies.

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

Review URL: https://codereview.chromium.org/302563004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21502 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 19:33:15 +00:00
jochen@chromium.org
0f73456d3f Move NumberOfProcessorsOnline from CPU to OS 
It's really more an OS-level information, and this way the default
platform doesn't depend on CPU-level details

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

Review URL: https://codereview.chromium.org/300713002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 15:18:45 +00:00
plind44@gmail.com
4fd78904be MIPS: Skip write barriers in the fast case when setting up local context. 
Port r21481 (5973b48)

Original commit message:
The FastNewContextStub always allocates in new space, so we don't
need to update the write barrier when copying the parameters to
the newly allocated context.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/302633002

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21500 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 14:40:55 +00:00
mvstanton@chromium.org
d755611e93 Reland "Customized support for feedback on calls to Array." and follow-up fixes. 
Comparing one CallIC::State to another was not done correctly, leading to a failure to patch a CallIC when transitioning from monomorphic Array to megamorphic.

BUG=chromium:377198,chromium:377290
LOG=Y
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/305493003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21499 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 13:59:24 +00:00
machenbach@chromium.org
2dc61205fd Send idle notification on ASAN builder for proper tear down. 
BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/300003005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21498 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 13:34:23 +00:00
rossberg@chromium.org
9516c181a1 More nuisance 
TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/297323004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21497 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-26 13:33:06 +00:00