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Author SHA1 Message Date
verwaest@chromium.org
52008429b7 Use mutable heapnumbers to store doubles in fields. 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14850006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14597 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 15:02:08 +00:00
ulan@chromium.org
cd4e9866b7 Fix environment in HOptimizedGraphBuilder::VisitCountOperation. Follow-up for r14584. 
R=danno@chromium.org
BUG=v8:2671
TEST=mjsunit/regress/regress-2671-1.js

Review URL: https://chromiumcodereview.appspot.com/14972009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14596 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 14:58:06 +00:00
mvstanton@chromium.org
f5ad8e4469 Turn off optimize-constructed-arrays flag to investigate ARM perf issue 
BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/14753007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 08:49:29 +00:00
danno@chromium.org
bd9274436c Bias commutative single-use register inputs and support lea adds 
This improves register allocation for many common add and multiply patterns on ia32 and x64 by reducing register pressure.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14856015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14587 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 08:37:24 +00:00
wingo@igalia.com
75d939aceb Generators save and restore stack handlers 
This CL adds machinery to unwind stack handlers from the stack and store
them into a generator's operand array.  It also includes routines to
reinstate them.  Together this allows generators to yield within
try/catch and try/finally blocks.

BUG=v8:2355
R=mstarzinger@chromium.org
TEST=mjsunit/harmony/generators-iteration

Review URL: https://codereview.chromium.org/14031028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 08:08:23 +00:00
dcarney@chromium.org
d4fd9db342 fix nosnapshot test failure in 14793004, do not deprecate function 
BUG=
TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/14947005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14585 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 07:45:16 +00:00
ulan@chromium.org
e5a29e8ff9 Do not change environment between simulate and scope with no observable side-effects in HandlePropertyAssignment. 
LChunkBuilder reconstructs the environment by applying simulates. A scope with no observable side-effects has no simulates. If the scope deoptimizes, then LChunkBuilder would miss the changes to the environment between the last simulate and the scope.

R=danno@chromium.org
BUG=v8:2671
TEST=mjsunit/regress/regress-2671.js

Review URL: https://chromiumcodereview.appspot.com/14793009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14584 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 07:40:28 +00:00
mvstanton@chromium.org
d7b013de57 Becuase of cross-context calls, hydrogen-based Array constructor needs to ensure 
the array constructor pointer passed in matches that of the current context.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/14846017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14581 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 21:01:53 +00:00
mstarzinger@chromium.org
04a5b3d6b6 Revert "deprecate Context::New which returns Persistent" 
This reverts r14573 because of test failures in no-snapshot mode in the
cctest/test-debug/ScriptCollectedEventContext test case.

TBR=dcarney@chromium.org,svenpanne@chromium.org
TEST=cctest/test-debug/ScriptCollectedEventContext

Review URL: https://codereview.chromium.org/15038002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14578 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 16:28:51 +00:00
dslomov@chromium.org
b15bbfbe39 Implement TypedArray.set function. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14581005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14576 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 14:42:17 +00:00
dslomov@chromium.org
e45abf08cc Update mjsunit tests to be complaian with ES6 implementation of typed arrays 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14580012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14575 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 14:03:50 +00:00
mstarzinger@chromium.org
f5817cfc2b Disable flaky CPU profiler test case. 
R=svenpanne@chromium.org
BUG=v8:2628
TEST=cctest/test-cpu-profiler/CollectCpuProfile

Review URL: https://codereview.chromium.org/14767021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14574 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 14:02:31 +00:00
dcarney@chromium.org
386de8010b deprecate Context::New which returns Persistent 
BUG=
TBR=marja@chromium.org

Review URL: https://codereview.chromium.org/14793004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14573 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 13:29:24 +00:00
verwaest@chromium.org
0b1a9c9e3d Free up 11 bits in fast-mode PropertyDetails by removing the enumeration-index. 
The descriptors are nowadays ordered in order of addition, so that info was
duplicated.

Review URL: https://chromiumcodereview.appspot.com/14622005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14571 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 13:09:23 +00:00
dcarney@chromium.org
44ec65b1e1 Add Persistent<T>::Reset which disposes the handle and redirects it to point to another object. 
BUG=
R=dcarney@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/14788013

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14570 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 12:37:22 +00:00
dcarney@chromium.org
42a8ff87ba add weakcallback without persistent copying 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/14908004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14566 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 10:44:30 +00:00
verwaest@chromium.org
46d39cabd6 Fix polymorphic to monomorphic load to take representation into account. 
Review URL: https://chromiumcodereview.appspot.com/14966005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14565 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 10:32:23 +00:00
wingo@igalia.com
3cd73ebc2f Generators return boxed values 
Generators now box their return values in object literals of the form

  { value: VAL, done: DONE }

where DONE is false for yield expressions, and true for return
statements.

BUG=v8:2355
TEST=mjsunit/harmony/generators-iteration
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/13870007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14563 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 08:46:42 +00:00
dslomov@chromium.org
9b45b71d5a Added an extra flag that enables only ArrayBuffer. 
This makes Blink experimentation easier.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14884012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14560 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-06 16:19:27 +00:00
dcarney@chromium.org
1a9997ee37 Make v8 compilable without V8_USE_UNSAFE_HANDLES. 
Without this modification, we get this error: "dereferencing type-punned pointer
will break strict-aliasing rules" (GCC strict aliasing).

Also included small CcTest sanity fixes: isolate() cannot return anything else
than default_isolate().

BUG=
TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/14894006

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14554 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-06 13:01:03 +00:00
wingo@igalia.com
19e5f6cbf0 toString() on generator functions prints with function* 
This CL adds a %FunctionIsGenerator runtime function, and uses it in the
function toString() implementation.

R=mstarzinger@chromium.org
BUG=v8:2355
TEST=mjsunit/harmony/generators-runtime

Review URL: https://codereview.chromium.org/14912002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14544 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-03 13:01:28 +00:00
dslomov@chromium.org
02889cafb8 Add type checks to typed array property getters. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14650014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14538 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-03 09:59:50 +00:00
dslomov@chromium.org
18d02d06f0 Implement TypedArray.subarray method. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14740017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14537 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-03 09:43:44 +00:00
dcarney@chromium.org
0cf128390f deprecate WriteAscii and MayContainNonAscii 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/14638003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14533 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-03 06:47:24 +00:00
dcarney@chromium.org
ae287f04b2 build fix for 14530 
TBR=svenpanne@chromium.org
BUG=
TEST=

Review URL: https://codereview.chromium.org/14881002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14532 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 22:00:39 +00:00
dcarney@chromium.org
cf5ff5a14c first step to remove unsafe handles 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12729023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14530 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 20:18:42 +00:00
jkummerow@chromium.org
b3e65aff57 Fix typo in cctest.status 
Review URL: https://codereview.chromium.org/14854011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14527 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 16:55:18 +00:00
dslomov@chromium.org
8b1f81fa24 Allow pathological zero-length typed arrays. 
R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/14857002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14520 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 13:51:03 +00:00
dslomov@chromium.org
343bf33918 Range checking bug in typed array constructor. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14850011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14519 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 13:30:57 +00:00
dslomov@chromium.org
2751eeb361 More typed array constructors. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14845012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14518 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 12:27:03 +00:00
dslomov@chromium.org
6e86141916 Implementation of Uint8ClampedArray. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14657003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14517 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 11:36:48 +00:00
dslomov@chromium.org
1469acaa7f Add Value::Is* methods for typed arrays and ArrayBuffer 
R=rossberg
BUG=

Committed https://code.google.com/p/v8/source/detail?r=14506

Review URL: https://codereview.chromium.org/13977018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14508 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 18:53:27 +00:00
dslomov@chromium.org
3af1cc1072 Revert "Fix typo" 
This reverts commit r14506 (that was commited with a wrong description).

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14507 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 18:49:20 +00:00
dslomov@chromium.org
b029ad4201 Fix typo 
R=rossberg@chromium.org

BUG=

Committed: https://code.google.com/p/v8/source/detail?r=14505

Review URL: https://codereview.chromium.org/13993029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14506 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 18:02:22 +00:00
mvstanton@chromium.org
6e4a8fecb7 Two bugfixes for hydrogen-based array constructors 
CacheInitialJSArrayMaps needs to be able to pick up where it left off,
as it can now be called from a handlfied context.

Disable incremental marking for CCTest SetJitCodeEventHandler, as it allocates
during compilation.

BUG=

Review URL: https://codereview.chromium.org/14642002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 13:43:45 +00:00
dslomov@chromium.org
acf1a7c91c Accurate function prototypes for native calls from ARM simulator. 
This is a resubmit of codereview.chromium.org/13818012 with the following modifications:
- src/x64/code-stubs-x64.cc for changes specific to Win64   calling conventions.
- src/sampler.cc for Native Client support

BUG=v8:2614

Committed: https://code.google.com/p/v8/source/detail?r=14491

Review URL: https://codereview.chromium.org/14305029

Patch from Brad Chen <bradchen@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14494 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 11:34:43 +00:00
dslomov@chromium.org
c5252a1bcd Revert "Accurate function prototypes for native calls from ARM simulator." 
This reverts commit r14991. (one file missing)

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14493 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 11:31:09 +00:00
dslomov@chromium.org
1da21f1868 Revert "Flag optimize-constructed-arrays turned on." 
This reverts commit r14491.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14492 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 11:23:34 +00:00
dslomov@chromium.org
d362e727e3 Accurate function prototypes for native calls from ARM simulator. 
This is a resubmit of codereview.chromium.org/13818012 with the following modifications:
- src/x64/code-stubs-x64.cc for changes specific to Win64   calling conventions.
- src/sampler.cc for Native Client support

BUG=v8:2614

Review URL: https://codereview.chromium.org/14305029

Patch from Brad Chen <bradchen@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14491 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 11:16:40 +00:00
mvstanton@chromium.org
ff57a1062b Flag optimize-constructed-arrays turned on. 
This routes array construction through a hydrogen stub, and enables use of
allocation site info tracking.

BUG=

Review URL: https://codereview.chromium.org/14616010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 08:22:05 +00:00
danno@chromium.org
d728493929 Allow setting debugger breakpoints on CompareNilICs 
BUG=v8:2660
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/14106011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14487 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-30 07:56:09 +00:00
dslomov@chromium.org
9e2c046f5c TypedArray(length) constructor 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14460008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14486 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-29 16:16:31 +00:00
danno@chromium.org
e6570d43ba Fix bug in CompareNil IC 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/13863022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14483 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-29 15:09:22 +00:00
danno@chromium.org
528792e39b Fix beyond-heap load on x64 Crankshafted StringCharFromCode 
BUG=chromium:235311
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14387008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14481 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-29 14:34:24 +00:00
dslomov@chromium.org
7b1e7463f2 Remove __ prefix from Harmony typed arrays implementation 
R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/14402026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14477 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-29 11:18:27 +00:00
dslomov@chromium.org
3fd6bb51f0 First cut at API for native Typed Arrays. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14195034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14476 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-29 11:09:03 +00:00
verwaest@chromium.org
99e17bb12a Track storage types of instance variables. 
Review URL: https://chromiumcodereview.appspot.com/14146005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-26 15:30:41 +00:00
mvstanton@chromium.org
d5e485a3cc Change 'Parse error' to three more informative messages. 
Replace the 'unable_to_parse' key used in three places with three difference keys.
Provide three more informative and less ambiguous error messages in place of 'Parse error'.

Add three test/message cases to cover the new messages.

BUG=2636

Review URL: https://codereview.chromium.org/14161007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-26 14:26:54 +00:00
mstarzinger@chromium.org
1706fe657e Add support for yield expressions 
This CL extends the generator suspend and resume implementation to
capture values on the operand stack.

It factors out some helpers to measure and access the operand stack into
the JavaScriptFrame class.  It also refactors the suspend and resume
helpers to avoid handle allocation.

BUG=v8:2355
TEST=mjsunit/harmony/generators-iteration

Review URL: https://codereview.chromium.org/14348003

Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14458 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-26 12:09:32 +00:00
mstarzinger@chromium.org
885fd2f4b2 Fix yield inside with 
This patch makes it so that suspending generators always saves the
context.  Previously we erroneously assumed that if the operand stack
was empty, that the context would be unchanged, but that is not the case
with "with".

Fixing this brought out an interesting bug in the variable allocator.
Yield inside with will reference a context-allocated temporary holding
the generator object.  Before the fix, this object was looked up in the
with context instead of the function context, because with contexts were
not being simulated during full-codegen.  Previously this was OK as all
variables would be given LOOKUP allocation instead of CONTEXT, but the
context-allocated temporary invalidated this assumption.  The fix is to
simulate the context chain more accurately in full-codegen.

R=mstarzinger@chromium.org
BUG=v8:2355
TEST=mjsunit/harmony/generators-iteration

Review URL: https://codereview.chromium.org/14416011

Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14454 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-26 11:55:22 +00:00