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Author SHA1 Message Date
machenbach@chromium.org
fd4a006eb3 [Sheriff] Fix status file entry. 
BUG=
TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/148183007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18861 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-27 16:46:16 +00:00
hpayer@chromium.org
e624346e68 Skip regression test 320948 temporarily. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/131503008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18859 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-27 15:59:10 +00:00
hpayer@chromium.org
86cf9ca690 Enable concurrent sweeping. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/146833012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18855 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-27 14:37:22 +00:00
dslomov@chromium.org
1a67b7f86a External Array renaming and boilerplate scrapping 
Replaced symbolic names with correct JS name (byte -> int8, unsigned int -> uint32 etc).
Using macros to scrap the boilerplate
BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/145133013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18835 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-24 16:01:15 +00:00
verwaest@chromium.org
21532ddfdc Reland ArrayPop / ArrayPush. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/138443012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18814 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-24 11:47:53 +00:00
machenbach@chromium.org
cde3ed1fe3 Speed up some mjsunit test cases and clean up test expectations for arm and mips. 
Many skipped test cases already run very fast. Removing the corresponding expectations.

BUG=
R=jkummerow@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/138503008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18812 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-24 11:36:45 +00:00
jkummerow@chromium.org
ee4e034d70 Revert broken ArrayPop changes 
This reverts:
r18749 "Reland (and fix) "Add hydrogen support for ArrayPop, and remove the handwritten call stubs."",
r18790 "Remove ArrayPush from the custom call generators, and instead call directly to the handler in crankshaft.", and
r18798 "MIPS: Remove ArrayPush from the custom call generators, and instead call directly to the handler in crankshaft."

For causing crashes on Canary.

BUG=chromium:337686
LOG=N
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/146003006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18805 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-24 08:32:50 +00:00
machenbach@chromium.org
ca0d99196d Disable SetAllocationTimeout in fuzz-natives test since it has varargs. 
BUG=
R=mstarzinger@chromium.org
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/145803002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18791 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-23 16:33:35 +00:00
verwaest@chromium.org
6b60546b16 Remove ArrayPush from the custom call generators, and instead call directly to the handler in crankshaft. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/137693003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18790 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-23 16:20:25 +00:00
hpayer@chromium.org
83a1df2354 Remove Heap::MaxRegularSpaceAllocationSize and use Page::MaxRegularHeapObjectSize instead. 
BUG=
R=mstarzinger@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/141653016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18776 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-23 13:02:27 +00:00
hpayer@chromium.org
a92e87e100 Make the full object memory size of a page available for a single allocation. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/145493004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18774 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-23 12:13:20 +00:00
machenbach@chromium.org
c159485fb1 [Sheriff] Temporarily mark test as flaky. 
BUG=
TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/145593002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18770 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-23 10:54:30 +00:00
verwaest@chromium.org
f30330325e Reland (and fix) "Add hydrogen support for ArrayPop, and remove the handwritten call stubs." 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/144913003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18749 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-22 13:22:58 +00:00
dslomov@chromium.org
33d7e64b51 ES6: Implement Object.setPrototypeOf 
This reverts commit bdc89ae76c15f3ef2626f8849744500248aec3ba.

This is a revert of the revert with test/webkit updated as needed.

Original CL Description:

http://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.setprototypeof

This just exposes the internal %SetPrototype and adds all the required
type checks as specified.

BUG=v8:2675
LOG=Y
R=dslomov@chromium.org, rossberg@chromium.org

Review URL: https://codereview.chromium.org/144193005

Patch from Erik Arvidsson <arv@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18739 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-22 12:15:57 +00:00
svenpanne@chromium.org
b4949cfd62 Fixed floor-of-div optimization. 
We removed an HDiv by hand which was still used by an HChange. The
solution is letting dead code removal do the cleanup.

Removed a fragile "optimization" (looking through an HChange), too,
this obviously never triggered and is hard to get right given all our
global invariants and state/type/... changes.

The repro is a bit tricky, because you need inlining to make our
representations and types disagree in this case.

LOG=y
BUG=334708
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/143903016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18737 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-22 11:54:51 +00:00
machenbach@chromium.org
1864f7388e Add infrastructure for skipping tests in GC stress mode. 
Also move the GC stress configuration from the buildbot to the test runner.

BUG=
R=jkummerow@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/141653008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18708 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-21 12:41:25 +00:00
machenbach@chromium.org
63cd984538 [Sheriff] Temporarily mark array-literal-feedback as flaky for GC stress. 
The test is blocking the v8 lkgr. It will be unmarked again after there is infrastructure to disable it on GC stress only.

BUG=
TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/143463004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18700 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-21 07:58:54 +00:00
machenbach@chromium.org
3be4500877 [Sheriff] Temporarily mark two mjsunit tests as flaky. 
The tests are blocking the v8 lkgr. They will be unmarked again after there is infrastructure to disable them on GC stress only.

TBR=mvstanton@chromium.org
BUG=

Review URL: https://codereview.chromium.org/139343008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18698 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-20 19:05:31 +00:00
titzer@chromium.org
5771b0975a Fix representation requirement in HReturn. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/143523002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18697 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-20 19:00:11 +00:00
verwaest@chromium.org
9f64f43a1c Turn ArrayPush into a stub specialized on the elements kind and argc. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/143213003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18696 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-20 17:09:24 +00:00
dslomov@chromium.org
5b7b4b99b7 Revert "ES6: Implement Object.setPrototypeOf" 
This reverts commit r18685 for breaking WebKit tests.

TBR=arv@chromium.org

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-20 10:59:07 +00:00
dslomov@chromium.org
1e3a14da44 ES6: Implement Object.setPrototypeOf 
http://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.setprototypeof

This just exposes the internal %SetPrototype and adds all the required
type checks as specified.

BUG=v8:2675
LOG=Y
R=dslomov@chromium.org, rossberg@chromium.org

Review URL: https://codereview.chromium.org/141913002

Patch from Erik Arvidsson <arv@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18685 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-20 10:38:01 +00:00
verwaest@chromium.org
ef52aeb701 Remove special ArrayCode CallIC. 
Once Call ICs are replaced by LoadIC + CallFunctionStub, we'll need a new way
of tracking this information.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/141073006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18662 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-17 11:24:36 +00:00
mvstanton@chromium.org
155ef100e9 Fix logic error in assert in IsUndeclaredGlobal() 
Recent changes in IC logic meant that CallStubs no longer use the Contextual bit. IsUndeclaredGlobal() needed to adjust for that.

In fact, now the CL has morphed to remove the notion of storing contextual state in the IC at all, it just becomes some extra ic state of the load ic. This took some adjustment in harmony code to use the global receiver for certain stores.

Now it's clearer that only LoadICs actually record any information about contextual or not.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/140943002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18660 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-17 11:08:24 +00:00
verwaest@chromium.org
53f46c5214 Get rid of ContextualMode for call ICs. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/137083002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18594 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-14 16:15:05 +00:00
mstarzinger@chromium.org
4d338985b9 Closed generator returns a completed object instead of throwing a error 
From ES6 rev20 draft, closed generator returns completed object (the
value is `undefined` and done is `true`).
Since a error thrown in generator is propagated to the caller without
setting status of a thrown generator to "completed", once a generator is
suspended by a error, status becomes "executing" forever. This is filed
as v8:3096

LOG=N
BUG=v8:3097
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/136003003

Patch from Yusuke Suzuki <yusukesuzuki@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18591 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-14 15:19:34 +00:00
jkummerow@chromium.org
be4c1bdac2 Fix test after r18586 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/138063003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-14 14:00:10 +00:00
jkummerow@chromium.org
1ed94acf0c Turn Runtime_MigrateInstance into Runtime_TryMigrateInstance 
because it must not cause lazy deopts because it is called from deferred code that cannot handle lazy deopts.

Hat tip to Ben for doing most of the debugging work, and to Toon for writing the regression test.

BUG=chromium:315252
LOG=Y
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/131243003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-14 13:41:09 +00:00
verwaest@chromium.org
f2245a9cf9 Make the strict-mode calling convention for contextual calls the default one. 
BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/131663003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18581 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-14 12:04:10 +00:00
hpayer@chromium.org
dcf7f73ec0 Enable allocation site pretenuring. 
Disable elements-kind.js unit test temporarily on gc stress builders.

BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/136813002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18571 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-13 17:11:36 +00:00
jarin@chromium.org
c0f622a45b Fix of Hydrogen environment building for function "apply" calls. 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/133773002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18548 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-11 13:59:04 +00:00
bmeurer@chromium.org
967d6499d2 Revert "Temporarily disable performance.now() in the d8 shell." 
This reverts commit r18529.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/133523003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18531 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-10 12:07:29 +00:00
bmeurer@chromium.org
1b1c27d916 Temporarily disable performance.now() in the d8 shell. 
Review URL: https://codereview.chromium.org/133663002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18529 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-10 11:17:57 +00:00
rossberg@chromium.org
014a86ef8c ES6: Add Object.getOwnPropertySymbols 
http://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.getownpropertysymbols

This allows you to get the symbols used as property keys for an object.

  var object = {};
  var sym = Symbol();
  object[sym] = 42;
  assert(Object.getOwnPropertySymbols(object)[0] === sym);

This is only available with --harmony-symbols

BUG=v8:3049
R=rossberg@chromium.org, rossberg
LOG=Y

Review URL: https://codereview.chromium.org/108083005

Patch from Erik Arvidsson <arv@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18520 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-09 15:57:30 +00:00
rossberg@chromium.org
3286bc71e3 Promises: some adaptations to spec 
- Rename Promise.{resolved,rejected,deferred} to Promise.{resolve,reject,defer}
- Rename Promise.one to Promise.race
- Make all failures asynchronous, EXCEPT type errors for resolver
- Disallow non-construct call to Promise constructor
- Don't make combinators go through public this.defer

Also, don't bother using IsCallable.

R=dslomov@chromium.org, yhirano@chromium.org
BUG=

Review URL: https://codereview.chromium.org/99573002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18515 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-09 13:00:56 +00:00
ulan@chromium.org
8db7aaa03d Correctly handle instances without elements in polymorphic keyed load/store. 
BUG=331416
TEST=mjsunit/regress/regress-331416.js
LOG=Y
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/121893003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18484 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-08 09:57:28 +00:00
ulan@chromium.org
43d1c23e2a Fix selection of popular pages in store buffer. 
BUG=331444
TEST=mjsunit/regress/regress-331444.js
LOG=Y
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/125983002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18483 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-08 09:49:37 +00:00
jkummerow@chromium.org
7761059a98 Fix d8's Shell::ReadBuffer after r18227 
BUG=v8:3085
LOG=N
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/127853003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18482 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-08 09:48:38 +00:00
mstarzinger@chromium.org
127c660eab Upgrade Number constructor to ES6. 
Add missing constants, predicates and functions to the Number
constructor to have it offer what ES6 now specifies.

That is, extend it with:

 * isInteger(), isSafeInteger()
 * parseInt(), parseFloat()
 * EPSILON, MIN_SAFE_INTEGER, MAX_SAFE_INTEGER

LOG=N
R=mstarzinger@chromium.org
BUG=v8:3082

Review URL: https://codereview.chromium.org/124573002

Patch from Sigbjorn Finne <sigbjornf@opera.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18480 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-08 09:09:49 +00:00
mvstanton@chromium.org
fc5834343f Remove flag track-allocation-sites. 
The flag has been on in the build for ~9 months, and we aren't likely to turn it off. The only customer of the flag is a set of tests that want to verify transitioning behavior in isolation. This CL removes the flag and updates those tests to get what they want without the flag.

R=verwaest@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=18385

Review URL: https://codereview.chromium.org/104923010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18474 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-07 15:58:25 +00:00
jarin@chromium.org
acf24331e3 Fixed Lithium environment generation bug for captured objects (created 
by escape analysis). Added several tests that expose the bug.

Summary:
LCodegen::AddToTranslation assumes that Lithium environments are
generated by depth-first traversal, but LChunkBuilder::CreateEnvironment
was generating them in breadth-first fashion. This fixes the
CreateEnvironment to traverse the captured objects depth-first.

Note:
It might be worth considering representing LEnvironment by a list
with the same order as the serialized translation representation
rather than having two lists with a subtle relationship between
them (and then serialize in a slightly different order again).

R=titzer@chromium.org, mstarzinger@chromium.org
LOG=N
BUG=

Review URL: https://codereview.chromium.org/93803003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18470 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-07 14:36:26 +00:00
mvstanton@chromium.org
e3e7daf01c We need to know if a load, store or call IC is assumed 
to be on the global object. Previously, this information
was stored in RelocInfo. A more logical place for this kind
of structural information is ExtraICState. Storing it there
makes it easier for us to gather type feedback from these
sites too.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/96083005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-07 14:14:34 +00:00
verwaest@chromium.org
4615e9edac Reland v8:18458 "Load the global proxy from the context of the target function." 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/104013008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-07 10:46:39 +00:00
rossberg@chromium.org
2879f2104c Revert "Load the global proxy from the context of the target function." 
This reverts commit https://code.google.com/p/v8/source/detail?r=18458, since it exhibits a bug that breaks some tests.

TBR=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/93863006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18461 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-07 09:55:25 +00:00
verwaest@chromium.org
5b40c38679 Load the global proxy from the context of the target function. 
BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/111613003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18458 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-07 08:21:17 +00:00
ulan@chromium.org
711bcbb0e3 ARM: fix loading of global object in LWrapReceiver. 
Since r16993 the cp register is handled by registers allocator,
and we cannot assume that the cp always contains the context.

BUG=318420
LOG=Y
TEST=test/mjsunit/regress/regress-318420.js
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/121703002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18421 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-27 14:38:00 +00:00
ulan@chromium.org
7ac7a7ea99 Fix a race between concurrent recompilation and OSR. 
If concurrent recompilation finishes before OSR, then OSR replaces
the old optimized code without evicting it from the optimized code map.

New functions can get the old optimized code from the optimized code map,
but the old code could be already deoptimized.

BUG=330046
TEST=test/mjsunit/regress-330046.js
LOG=Y
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/109033003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18420 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-27 09:22:56 +00:00
yangguo@chromium.org
2a4be7067c Refactor the compiling pipeline. 
Goals:
 - easier to read, more suitable identifiers.
 - better distinction between compiling optimized/unoptimized code
 - compiler does not install code on the function.
 - easier to add features (e.g. caching optimized code for osr).
 - remove unnecessary code.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/110203002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18409 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 14:30:35 +00:00
yangguo@chromium.org
f7929d2a87 Reland "Handlify concat string and substring." 
This relands commit r17490.

BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/114943004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18408 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 12:37:56 +00:00
yangguo@chromium.org
8c10fc6aee Harmony: implement math.hypot. 
R=jarin@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/118303002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18407 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-23 11:13:39 +00:00