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Author SHA1 Message Date
rossberg@chromium.org
6add3222ed Object.observe: Add test case covering most special cases. 
Things not working yet are currently blacklisted in the test (see TODOs).

R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11377157

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13016 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 14:45:21 +00:00
rossberg@chromium.org
15dec1ae28 Missing check for exception. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11316104

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13015 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 14:41:20 +00:00
jkummerow@chromium.org
0620b1d0d7 MIPS: Lattice-based representation inference, powered by left/right specific type feedback for BinaryOps and comparisons 
Port r12961 (96c0e493)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11280080
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13014 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 14:11:53 +00:00
jkummerow@chromium.org
8c5bf4a7e0 Fix typo in condition when to log code objects during deserialization. 
Review URL: https://codereview.chromium.org/11416068

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13013 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 12:59:36 +00:00
rossberg@chromium.org
0f6d0d28dd Fix and clean up treatment of hidden prototypes. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11413068

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13012 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 12:32:29 +00:00
yangguo@chromium.org
bfbca55d02 Relax test expectations for known failing test. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11299100

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13011 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 12:31:41 +00:00
mstarzinger@chromium.org
f5cff7d91c Make test-dictionary work for GC stress builder. 
R=yangguo@chromium.org
TEST=cctest/test-dictionary

Review URL: https://codereview.chromium.org/11299098

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 10:47:31 +00:00
rossberg@chromium.org
1570d62721 Object.observe/unobserve now return object 
BUG=v8:2418

Review URL: https://codereview.chromium.org/11419078
Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13009 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 10:38:14 +00:00
rossberg@chromium.org
75cb024609 Re-adjust access failure log messages for %GetOwnProperty. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11418062

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13006 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 17:59:11 +00:00
mstarzinger@chromium.org
1f71c3c34e Enable marking progress bar for large objects by default. 
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/11416072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13005 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 17:23:58 +00:00
hpayer@chromium.org
8a6947af13 Forward transition objects to grey if they are referenced by a large object 
BUG=

Review URL: https://codereview.chromium.org/11418032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13004 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 16:20:22 +00:00
verwaest@chromium.org
397f5291ae Always check copy_size before getting accessor and trying to copy. 
Review URL: https://chromiumcodereview.appspot.com/11348071

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 15:31:38 +00:00
verwaest@chromium.org
08cfda49f2 Ensure CopyElementsImpl is always executed so it fills in holes even if from_size is 0. Allow FixedDoubleArray::cast to also support FixedArray with size 0. 
Review URL: https://chromiumcodereview.appspot.com/11280054

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 15:00:34 +00:00
svenpanne@chromium.org
3326b845e2 Revert "Drastically reduce the number of created strings in d8." 
This reverts commit 2fc4424b00296cc06d6f7eb4bf31ec9c3d6be68a.

Even symbols shouldn't be shared across Isolates. The CL has to be reworked to
use a (Isolate,C-string)->v8-symbol mapping. Slowly approaching Chrome... :-/

Review URL: https://codereview.chromium.org/11419067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12999 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 14:46:19 +00:00
yangguo@chromium.org
2b5e6bae60 Fix --hydrogen-stats. 
Timing happens in a scope.  Since crankshaft has been chopped up into three methods, this approach is wrong.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11411065

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12998 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 14:20:57 +00:00
mstarzinger@chromium.org
f9bc4d3bf2 Fix clang build: remove unused static function 
The last call to GetOwnPropertyImplementation() was removed in r12990.

Review URL: https://codereview.chromium.org/11411038
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12997 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 09:46:58 +00:00
rossberg@chromium.org
3e8047ec88 Fix sequence point bug. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11308090

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12996 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 09:43:56 +00:00
yangguo@chromium.org
515c556150 Prepare push to trunk. Now working on version 3.15.5. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11316047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12993 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 14:41:06 +00:00
yangguo@chromium.org
d2a6e7b40d Fix test failures. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11414030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12992 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 14:24:19 +00:00
svenpanne@chromium.org
2f5c768534 Drastically reduce the number of created strings in d8. 
This also reduces the number of TLS accesses, so it is a double-win. We have
230k less TLS accesses while running Octane now, so we are down to 23% now
compared to the start of these TLS-related CLs.

Introduced a tiny helper function for throwing on the way.

Review URL: https://codereview.chromium.org/11417029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12991 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 13:30:43 +00:00
rossberg@chromium.org
8d79ff46d0 Clean-up refactoring to eliminate GetLocalElementKind. 
Eliminates substantial amounts of fragile code duplication and special casing.

Also fixes "a".propertyIsEnumerable(0) to correctly return true.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11420011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12990 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 13:28:34 +00:00
mstarzinger@chromium.org
3d1582c474 Fix Array.prototype.join evaluation order. 
R=yangguo@chromium.org
BUG=v8:2263
TEST=mjsunit/regress/regress-2263

Review URL: https://codereview.chromium.org/11280025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12989 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 12:45:23 +00:00
yangguo@chromium.org
af6f7742e0 Fix test failures. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11299033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12988 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 11:58:21 +00:00
mstarzinger@chromium.org
30c82d59c8 Make PrototypeTransitionClearing work with GC interval. 
R=verwaest@chromium.org
TEST=cctest/test-heap/PrototypeTransitionClearing

Review URL: https://codereview.chromium.org/11411031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12987 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 11:39:32 +00:00
yangguo@chromium.org
63f109aaa5 Introduce helper functions to test parallel recompilation. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11419012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12986 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 10:57:50 +00:00
jkummerow@chromium.org
7f824867f6 Perform CPU sampling by CPU sampling thread only iff processing thread is not running. 
- perform CPU profiler sampling in the sampler thread as we used to;
- skip sampling in the sampling thread if processing thread is running;
- only install SIGPROF handler when CPU profiling is enabled.

BUG=v8:2364

Review URL: https://codereview.chromium.org/11231002
Patch from Sergey Rogulenko <rogulenko@google.com> and Andrey Kosyakov <caseq@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12985 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 10:38:10 +00:00
mstarzinger@chromium.org
b6c9bdaa9e Disable InstanceOfStubWriteBarrier in some cases. 
This disables the above regression test when run with forced marking
deque overflows (which is implicitly enabled by --stress-compaction).

R=verwaest@chromium.org
TEST=cctest/test-heap/InstanceOfStubWriteBarrier

Review URL: https://codereview.chromium.org/11417026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 10:33:57 +00:00
rossberg@chromium.org
2e76922c79 Object.observe: Use [[DefineOwnProperty]] to create properties of changeRecord. 
Note: The test here requires https://codereview.chromium.org/11364237/ to land in order to pass because Object.freeze calls Object.getOwnPropertyNames().

BUG=v8:2411

Review URL: https://codereview.chromium.org/11377171
Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 09:35:27 +00:00
rossberg@chromium.org
af824eab8f When using an Object as a set in Object.getOwnPropertyNames, null out the proto 
Also apply the same fix elsewhere in v8natives.js

BUG=v8:2410

Review URL: https://codereview.chromium.org/11364237
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12982 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 09:32:39 +00:00
jkummerow@chromium.org
778499e55f Disable EXTRA_CHECKS in Release 
This patch causes V8 to disable EXTRA_CHECKS when building in release. You can
still enable the checks in release using a GYP flag.

This patch speeds up Dromeo's dom-traverse by around 4%.

Review URL: https://codereview.chromium.org/11275324
Patch from Adam Barth <abarth@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12981 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 08:58:53 +00:00
jkummerow@chromium.org
d9ba8ed8a1 Fix register confusion in non-VFP3 BinaryOpStubs on ARM 
Review URL: https://codereview.chromium.org/11413014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12980 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 08:54:01 +00:00
svenpanne@chromium.org
d5f589808d Removed a bunch of GetExistingThreadLocal calls by threading the Isolate. 
For Octane, the number of calls go down from 7341629 to 1947880, i.e. they are
reduced by more than 73%. TLS access is not especially cheap, so this exercise
seems worthwhile.

Review URL: https://codereview.chromium.org/11412007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12979 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 08:38:11 +00:00
mstarzinger@chromium.org
5dec1423a4 Implement progress bar for large objects. 
This implements incremental scanning of large objects using a progress
bar in the page header of such objects. Note that this requires forward
white to gray transitions in the write barrier and hence is disabled by
default for now.

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

Review URL: https://codereview.chromium.org/11362246

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12978 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 17:57:40 +00:00
verwaest@chromium.org
4ce6de208d Return the length as smi. 
Review URL: https://chromiumcodereview.appspot.com/11419011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12977 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 16:16:09 +00:00
mvstanton@chromium.org
1d966af2e9 Fix assert failure in array slice 
R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11412005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12976 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 15:41:12 +00:00
verwaest@chromium.org
97c54506c5 Fix shifting from holey arrays. 
Review URL: https://chromiumcodereview.appspot.com/11417007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12975 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 15:27:06 +00:00
verwaest@chromium.org
8535c6484d Set length only after retrieving the element succeeded 
Review URL: https://chromiumcodereview.appspot.com/11417006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12974 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 14:30:01 +00:00
verwaest@chromium.org
111630350c Heap explorer: Show representation of strings. 
* src/profile-generator.cc (V8HeapExplorer::GetSystemEntryName): For
  maps of strings, return a name that encodes the representation
  strategy used for the strings.
  (V8HeapExplorer::ExtractReferences): For strings, visit the maps as
  well, so that the user can see what representation is used for their
  strings.

See http://wingolog.org/pub/string-representations.png for an example of what it looks like.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11344021
Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12973 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 13:35:05 +00:00
yangguo@chromium.org
3699616609 Rename SeqAsciiString 
This is a straight rename:

NewRawAsciiString -> NewRawOneByteString
SeqAscii -> SeqOneByte

SeqOneByteString cannot yet take non-ascii data.

R=yangguo@chromium.org,
BUG=

Review URL: https://chromiumcodereview.appspot.com/11411005
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12972 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 13:31:27 +00:00
ulan@chromium.org
5df210bd35 MIPS: Add rotate-right instruction to hydrogen and use it instead of bitwise operations of the form ((x >>> i) | (x << (32 - i))). 
Port r12855 (be965042)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/11293140
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12971 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 12:41:35 +00:00
mstarzinger@chromium.org
db4375e338 Unbreak waterfall after r12968. 
R=jkummerow@chromium.org
TEST=test262

Review URL: https://codereview.chromium.org/11416008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12970 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 12:35:16 +00:00
verwaest@chromium.org
a08194c83a Support all fast elements kinds in the major array operations. 
Currently missing support for unshift.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11377132

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 12:19:14 +00:00
mstarzinger@chromium.org
50e975574b Update Test262 harness to recent version. 
R=rossberg@chromium.org
TEST=test262

Review URL: https://codereview.chromium.org/11308033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12968 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 11:41:27 +00:00
rossberg@chromium.org
4fb992a872 Object.observe: Handle oldValue for elements with accessors properly. 
Extended ElementAccessor interface to allow querying PropertyType and
AccessorPair. Also added respective functionality to JSObject.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11358234

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12967 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 11:31:40 +00:00
yangguo@chromium.org
7fc1751821 Make kAsciiDataHintTag have correct semantics for all both 1 and 2 byte string types. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11360251
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12966 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 10:29:11 +00:00
danno@chromium.org
4d23256cf9 MIPS: Add code again to allow reclaiming old unexecuted functions. 
Port r12898 (69ff6e50)

Original commit message:
When code objects in the heap for FUNCTIONs and OPTIMIZED_FUNCTIONs are marked by the GC, their prologue is patched with a call to a stub that removes the patch. This allows the collector to quickly identify code objects that haven't been executed since the last full collection (they are the ones that sill contain the patch). The functionality is currently disabled, but can be activated by specifying the "--age-code".

BUG=
TEST=

Review URL: https://codereview.chromium.org/11358252
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12965 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 10:12:28 +00:00
mstarzinger@chromium.org
d6a31725b9 Add missing initialization for low survival rate period. 
R=verwaest@chromium.org
BUG=v8:2403

Review URL: https://codereview.chromium.org/11419002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12964 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 09:25:40 +00:00
yangguo@chromium.org
2333f53128 Fix clang build after r12956 
That change added a test which called the handlified version of JSObject::SetElement and didn't check the return value, but that method has a MUST_USE_RESULT annotation. This change removes the annotation for consistency with other handlified static methods (like SetProperty).

Review URL: https://chromiumcodereview.appspot.com/11359212
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12963 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 20:03:53 +00:00
rossberg@chromium.org
5e7b796479 Object.observe: Move notification of JSArray length changes to JSArray::SetElementsLength 
The previous implementation in Accessors::ArraySetLength failed when array length was set through StoreIC_ArrayLength. But that stub and the accessor both delegate to JSArray::SetElementsLength, so moving the code there allows notifications to be sent in both cases.

Review URL: https://codereview.chromium.org/11275292
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12962 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 16:51:21 +00:00
jkummerow@chromium.org
1c086d1202 Lattice-based representation inference, powered by left/right specific type feedback for BinaryOps and comparisons 
Review URL: https://chromiumcodereview.appspot.com/10837165

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12961 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 15:59:45 +00:00