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Author SHA1 Message Date
svenpanne@chromium.org
66f0df5a18 Added an Isolate* field to NoTrackDoubleFieldsForSerializerScope, PlatformFeatureScope and BinaryOpIC::State. 
The serializer state and even the CPU features will be per-Isolate
later. Currently we get away with global state, because mksnapshot
runs single-threaded and has only 1 Isolate, but this will change.
Furthermore, these changes are yet another prerequisite for removing a
catch-22 at initialization time when we try to enable serialization.

This CL is similar in spirit to r20919, BTW.

BUG=359977
LOG=y
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/250553005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20963 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-25 08:40:23 +00:00
svenpanne@chromium.org
b8d27f9d38 CodeStubs contain their corresponding Isolate* now. (part 2) 
This CL mechanically removes all useless Isolate* parameters from code
stub functions, making things quite a bit simpler.

BUG=359977
LOG=y
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/255543003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20940 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-24 12:07:40 +00:00
svenpanne@chromium.org
dd30db9021 CodeStubs contain their corresponding Isolate* now. (part 1) 
This is a purely mechanical change, adding an Isolate* to the CodeStub
constructor and a corresponding field plus a getter. A few methods in
CodeStub and its subclasses can be simplified now, but this is done in
a separate CL.

The underlying reason apart from simplicity is that deep down in the
call chain we need to detect if the serializer is active or not. This
information will be part of the Isolate, not a global variable with
funky synchronization primitives around it (which is fundamentally
wrong and the underlying cause for race conditions and a catch-22
during initialization).

BUG=359977
LOG=y
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/246643014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20919 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-24 06:25:42 +00:00
yangguo@chromium.org
41bfa036b3 Return Object* instead of MaybeObject* from runtime calls. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/240053010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20888 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-22 12:50:58 +00:00
danno@chromium.org
59b3dc5812 Remove hand-written assembly ArrayPush stubs 
R=mstarzinger@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/233293005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20839 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-17 11:37:59 +00:00
ulan@chromium.org
ff953ac055 Make maps in monomorphic IC stubs weak. 
Maps in monomorphic Load, KeyedLoad, Store, KeyedStore, and CompareNil IC
stubs are treated as weak references by the marking visitor.

During generation of an IC stub with a weak map, the stub is appended to the
dependent code array of the map. When the map dies, all stubs in its dependent
code array are invalidated by setting embedded maps to undefined.

BUG=v8:2073
LOG=Y
TEST=cctest/test-heap/WeakMapInMonomorphic*IC
R=mstarzinger@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/188783003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20679 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-11 10:36:09 +00:00
bmeurer@chromium.org
448486ed48 Use distinct maps for oddballs with special handling in the type system. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/227473002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20531 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-07 09:41:13 +00:00
mvstanton@chromium.org
9e5757abee Revert "Reland of https://codereview.chromium.org/172523002/" 
This reverts commit r20516 due to a Sunspider performance issue.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/226233002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20521 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-04 16:18:59 +00:00
mvstanton@chromium.org
f9a8425cd2 Reland of https://codereview.chromium.org/172523002/ 
Fixed
1) Missing line in x64 port.
2) GcStress found a logic error in the IC miss handler.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/224903005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20516 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-04 13:57:53 +00:00
mvstanton@chromium.org
5c0d85163c Revert r20474 
This reverts commit r20474 due to an x64 release issue.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/223823002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20478 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-03 12:27:24 +00:00
mvstanton@chromium.org
c21cf2d334 Function calls are handled with a LoadIC and a FunctionCallStub. This works well, but we can create a platform to gather custom feedback by inventing a CallIC. CallIC takes a JSFunction as input, maintains UNINIT/MONO/MEGA state in a feedback slot, and engages in limited patching for the most efficient code. 
The change creates a degrade in NBody tests, but a follow-on CL addresses it by using this custom feedback platform to give a 45% improvement.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/172523002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20474 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-03 11:41:03 +00:00
m.m.capewell@googlemail.com
86f5302002 ARM64: push/pop registers in stubs for safepoints 
BUG=

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/209933003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20210 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-24 16:41:37 +00:00
yangguo@chromium.org
8b8fb30e7f Reland "Remove Failure::OutOfMemory propagation and V8::IgnoreOutOfMemoryException." 
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/209903003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20184 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-24 10:07:15 +00:00
yangguo@chromium.org
03866841aa Revert "Remove Failure::OutOfMemory propagation and V8::IgnoreOutOfMemoryException." 
This reverts r20179.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/201573007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-24 09:17:18 +00:00
yangguo@chromium.org
62f65d8697 Remove Failure::OutOfMemory propagation and V8::IgnoreOutOfMemoryException. 
R=dcarney@chromium.org
BUG=v8:3060
LOG=Y

Review URL: https://codereview.chromium.org/208263002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-24 08:47:45 +00:00
jochen@chromium.org
2ce0bebba1 Rename A64 port to ARM64 port 
BUG=354405
R=ulan@chromium.org, rodolph.perfetta@arm.com
LOG=y

Review URL: https://codereview.chromium.org/207823003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-21 09:28:26 +00:00
ulan@chromium.org
18104111f4 Refactor GetCodeCopyFromTemplate to get a single point where objects are replaced in code. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/197283017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-18 14:15:09 +00:00
ulan@chromium.org
487ca9e384 Fix TransitionElementsKindStub to handle non-JSArray objects correctly. 
BUG=352982
LOG=N
TEST=mjsunit/regress/regress-352982.js
R=danno@chromium.org

Review URL: https://codereview.chromium.org/196343023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20033 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-18 13:29:29 +00:00
ishell@chromium.org
3b257c35e5 Fixed spec violation of storing to length of a frozen object. 
BUG=chromium:350890
LOG=N
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/196653015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20005 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-17 15:43:33 +00:00
verwaest@chromium.org
c2af96ba7b Turn StringLengthStub (used by string wrappers only) into a hydrogen stub. 
BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/197603002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19889 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-13 10:57:07 +00:00
rossberg@chromium.org
8e3f3cee9e Eliminate extended mode, and other modes clean-up 
- Merge LanguageMode and StrictModeFlag enums
- Make harmony-scoping depend only on strict mode
- Free some bits on the way
- Plus additional clean-up and renaming

R=ulan@chromium.org
BUG=

Review URL: https://codereview.chromium.org/181543002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19800 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-11 14:41:22 +00:00
rossberg@chromium.org
3f702d4bf9 Mode clean-up pt 1: rename classic/non-strict mode to sloppy mode 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/177683002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19799 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-11 14:39:08 +00:00
verwaest@chromium.org
1180803953 Reland and fix "Allow ICs to be generated for own global proxy." 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/176793003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 12:23:05 +00:00
verwaest@chromium.org
9b8021ad29 Remove all uses of field-tracking flags that do not make decisions but are subject to existing information. 
BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/173963002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19650 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-04 12:48:17 +00:00
mvstanton@chromium.org
e664f42a5a Revert r19430, r19459: 
"Reland "Allow ICs to be generated for own global proxy.""

Causing ClusterFuzz crash (issue 343928)

TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/179643003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19540 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 12:18:30 +00:00
mstarzinger@chromium.org
fa63cfaf6d Initialize interface descriptor for ToNumberStub. 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/170303003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19526 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-21 11:19:32 +00:00
verwaest@chromium.org
2f9f49798a Reland "Allow ICs to be generated for own global proxy." 
BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/170343002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19430 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:10:06 +00:00
danno@chromium.org
438db990a0 Revert r19409: "Allow ICs to be generated for own global proxy." 
Causing Layout test crashes

TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/170253002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19423 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 08:34:56 +00:00
verwaest@chromium.org
1984ebad50 Allow ICs to be generated for own global proxy. 
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/166233004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19409 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-17 13:12:56 +00:00
verwaest@chromium.org
ed9bbc7051 Remove HandlerKindField and just encode the handlerkind as the only extra-ic-state. 
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/166883002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19385 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-14 15:17:26 +00:00
verwaest@chromium.org
209b17ac31 Don't mix handler flags into regular flag computation. 
BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/163363003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19384 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-14 15:15:08 +00:00
dcarney@chromium.org
0c844cc590 api accessor store ics should return passed value 
R=verwaest@chromium.org

BUG=

Review URL: https://codereview.chromium.org/166653003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19380 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-14 14:13:06 +00:00
rmcilroy@chromium.org
6ef556bdff Clean up some A64 specific code in common code that was introduced by A64 merge 
- Remove arch specific check macros
 - Remove duplicate code in code-stubs.h
 - Remove flag check in bootstrap.cc which was introduced for A64 bringup
 - Remove A64 specific test message expectations

R=rodolph.perfetta@arm.com, ulan@chromium.org

Review URL: https://codereview.chromium.org/134333011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19325 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-12 13:27:13 +00:00
ulan@chromium.org
e95bc7eec8 Merge experimental/a64 to bleeding_edge. 
BUG=v8:3113
LOG=Y
R=jochen@chromium.org, rmcilroy@chromium.org, rodolph.perfetta@arm.com

Review URL: https://codereview.chromium.org/148293020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19311 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-12 09:19:30 +00:00
verwaest@chromium.org
78f568d69c Remove extended_extra_ic_state and extend extra_ic_state instead. 
BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/159013003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19287 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-11 15:01:44 +00:00
verwaest@chromium.org
ae7a209e71 Remove CallICs 
BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/148223002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-31 16:52:17 +00:00
dcarney@chromium.org
a1f55c107f stub api getters 
R=verwaest@chromium.org

BUG=

Review URL: https://codereview.chromium.org/150213003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18941 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-30 12:15:51 +00:00
bmeurer@chromium.org
3ba2f104c9 Turn RegExpConstructResultStub into a HydrogenCodeStub. 
This has the additional benefit that it is now possible to
inline the RegExpResult construction code into Hydrogen
builtins.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/141703018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18902 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-29 13:10:35 +00:00
bmeurer@chromium.org
a2d1f8b8f6 Drop the native FastNewBlockContextStub. 
This code is almost never executed in real world and benchmarks,
and there's obviously absolutely no need to have this native code
hanging around for no benefit.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/148873002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18880 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-28 13:43:04 +00:00
dcarney@chromium.org
d1a10c6e37 stub fast api calls 
R=verwaest@chromium.org, vervaest@chromium.org

BUG=

Review URL: https://codereview.chromium.org/140613004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18847 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-27 09:57:54 +00:00
bmeurer@chromium.org
5e0f020d3a Turn FastNewContextStub into a HydrogenCodeStub. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/145513002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18764 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-23 08:36:22 +00:00
bmeurer@chromium.org
e5f1ac1ded Get rid of the unused native code StringAddStub. 
BUG=v8:2990
LOG=n
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/144023009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18752 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-22 13:48:05 +00:00
rossberg@chromium.org
0d906a8bdb Zonify types in compiler frontend 
Clean up some zone/isolate handling in AST and its visitors on the way.

(Based on https://codereview.chromium.org/103743004/)

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

Review URL: https://codereview.chromium.org/102563004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18719 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-21 16:22:52 +00:00
mvstanton@chromium.org
c472ee85f8 Array constructor shouldn't require a Cell, just an AllocationSite. 
The Array constructor has a needless dependency on an input argument
that is a Cell. It uses this to walk through to an AllocationSite.
The dependency hampers future work. Instead, pass the AllocationSite
as input to the Array constructor.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/140963004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18716 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-21 16:04:39 +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
verwaest@chromium.org
e9f957ce2c Remove special charAt and charCodeAt handling in the ICs. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/136443006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18663 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-17 11:28:22 +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
jarin@chromium.org
19d832719e This is a preview of a first step towards unification of the hydrogen 
call machinery.  The change replaces CallNamed, CallKeyed,
CallConstantFunction and CallKnownGlobal hydrogen instructions with two
new instructions with a more lower level semantics:

1. CallJSFunction for direct calls of JSFunction objects (no
   argument adaptation)

2. CallWithDescriptor for calls of a given Code object according to
   the supplied calling convention.

Details:

CallJSFunction should be straightforward, the main difference from the
existing InvokeFunction instruction is the absence of argument adaptor
handling. (As a next step, we will replace InvokeFunction with an
equivalent hydrogen code.)

For CallWithDescriptor, the calling conventions are represented by a
tweaked version of CallStubInterfaceDescriptor. In addition to the
parameter-register mapping, we also define parameter-representation
mapping there. The CallWithDescriptor instruction has variable number of
parameters now - this required some simple tweaks in Lithium, which
assumed fixed number of arguments in some places.

The calling conventions used in the calls are initialized in the
CallDescriptors class (code-stubs.h, <arch>/code-stubs-<arch>.cc), and
they live in a new table in the Isolate class. I should say I am not
quite sure about Representation::Integer32() representation for some of
the params of ArgumentAdaptorCall - it is not clear to me wether the
params could not end up on the stack and thus confuse the GC.

The change also includes an earlier small change to argument adaptor
(https://codereview.chromium.org/98463007) that avoids passing a naked
pointer to the code entry as a parameter. I am sorry for packaging that
with an already biggish change.

Performance implications:

Locally, I see a small regression (.2% or so). It is hard to say where
exactly it comes from, but I do see inefficient call sequences to the
adaptor trampoline. For example:

;;; <@78,#24> constant-t
bf85aa515a     mov edi,0x5a51aa85          ;; debug: position 29
;;; <@72,#53> load-named-field
8b7717         mov esi,[edi+0x17]          ;; debug: position 195
;;; <@80,#51> constant-s
b902000000     mov ecx,0x2                 ;; debug: position 195
;;; <@81,#51> gap
894df0         mov [ebp+0xf0],ecx
;;; <@82,#103> constant-i
bb01000000     mov ebx,0x1
;;; <@84,#102> constant-i
b902000000     mov ecx,0x2
;;; <@85,#102> gap
89d8           mov eax,ebx
89cb           mov ebx,ecx
8b4df0         mov ecx,[ebp+0xf0]
;;; <@86,#58> call-with-descriptor
e8ef57fcff     call ArgumentsAdaptorTrampoline  (0x2d80e6e0)    ;; code: BUILTIN

Note the silly handling of ecx; the hydrogen for this code is:

0 4 s27 Constant 1  range:1_1 <|@
0 3 t30 Constant 0x5bc1aa85 <JS Function xyz (SharedFunctionInfo 0x5bc1a919)> type:object <|@
0 1 t36 LoadNamedField t30.[in-object]@24 <|@
0 1 t38 Constant 0x2300e6a1 <Code> <|@
0 1 i102 Constant 2  range:2_2 <|@
0 1 i103 Constant 1  range:1_1 <|@
0 2 t41 CallWithDescriptor t38 t30 t36 s27 i103 i102 #2 changes[*] <|@

BUG=
R=verwaest@chromium.org, danno@chromium.org

Review URL: https://codereview.chromium.org/104663004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18626 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-15 17:00:35 +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
mvstanton@chromium.org
380aa6dc8d Array constructor can be simplified by loading context from JSFunction. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/128683002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18518 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-09 15:07:23 +00:00
bmeurer@chromium.org
f754bce102 Be sure to also register the BinaryOpWithAllocationSiteStub. 
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/131483003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18516 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-09 13:22:18 +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
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
bmeurer@chromium.org
ad4231c495 Reland "Allocation site support for monomorphic StringAdds in BinaryOps". 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/106313003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-02 15:31:27 +00:00
bmeurer@chromium.org
4d88b0b4be Revert "Fix compilation with C++11." and "Allocation site support for monomorphic StringAdds in BinaryOps.". 
This reverts commit r18431 and r18432 for breaking
the Linux nosnapshot build.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/122463004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18434 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-02 10:38:45 +00:00
bmeurer@chromium.org
508c382bc0 Fix compilation with C++11. 
TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/122523003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18432 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-02 09:28:53 +00:00
bmeurer@chromium.org
a91499fec7 Allocation site support for monomorphic StringAdds in BinaryOps. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/106453003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18431 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-02 09:17:52 +00:00
plind44@gmail.com
21daecb611 MIPS: Improve registers saving for safepoints in deferred code. 
This reduces code size of initial snapshot by more than 25Kb.

Registers are saved or restored via common stubs, instead of doing it
through inlined push/pop instructions (one instruction per register) in
generated deferred code.

TEST=
BUG=
R=jkummerow@chromium.org, plind44@gmail.com

Review URL: https://codereview.chromium.org/109653013

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18399 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 19:44:03 +00:00
hpayer@chromium.org
f583b73b70 Revert "Remove flag track-allocation-sites." 
This reverts commit 6c430da40efe388035504d3603756aa8c46ed1dc.

BUG=

Review URL: https://codereview.chromium.org/109303006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18386 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 12:04:34 +00:00
mvstanton@chromium.org
e654c88fab 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

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18385 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-20 11:46:31 +00:00
mvstanton@chromium.org
1dd19c450a Pretty printing for array code stubs. The minor keys encode things like specialized ElementsKind for each stub. This can be useful to see in disassembly traces. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/110103002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18369 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 22:51:23 +00:00
jkummerow@chromium.org
59c334ebf4 Hydrogen: Re-use regular comparisons infrastructure for switch statements 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/111573003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18348 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 11:58:58 +00:00
svenpanne@chromium.org
84aa5263f3 Remove the last remnants of the TranscendentalCache. 
It was only used for Math.log, and even then only in full code and in %_MathLog. For crankshafted code, Intel already used the FP operations directly, while the ARM/MIPS ports were a bit lazy and simply called the stub. The latter directly call the C library now without any cache. It would be possible to directly generate machine code if somebody has the time, from what I've seen out in the wild it should be only about a dozen instructions.

LOG=y
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/113343003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18344 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-18 10:40:26 +00:00
jkummerow@chromium.org
28cab36838 Ensure that Code objects' kind specific flags are initialized properly. 
Also, have the stub cache set a valid MajorKey on stubs it creates.
Getting weird random bits frightens and confuses the poor simple type feedback oracle.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/108443004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18309 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-13 10:27:19 +00:00
bmeurer@chromium.org
f0cfb1cad9 Increase number of available major keys. 
This also adds a static assert checking that we do not
exceed the available number of major keys. The safepoint
table offset is now max 2^24 instead of 2^25.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/110183003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18284 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-10 09:44:44 +00:00
bmeurer@chromium.org
9b892b86b1 Refactor BinaryOpIC to be able to use different stubs. 
Previously BinaryOpIC and BinaryOpStub were pretty much interdependent.
However, in order to use allocation sites for string adds on-demand,
we need to be able to use different stubs (with a different number of
register parameters, via trampolines) depending on the BinaryOpIC state.

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

Review URL: https://codereview.chromium.org/97543002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18191 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-12-02 13:14:07 +00:00
bmeurer@chromium.org
6e373493aa Drop IsPregenerated() and allow_stub_calls flag. 
This also removes the fixed register hack that was required to support RecordWriteStub in the snapshot.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/96853003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18167 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-29 20:49:15 +00:00
mvstanton@chromium.org
e066a3667d Move responsibility for definition of ExtraICState bits into the ICs. 
Currently it's in the Code object for some ICs and in ICs for other ICs.
This should make it easier to alter bits as needed.

2) Recover an extra bit in the code object to give us 6 bits for the extra ic state. We'll need it soon to store contextual state.

3) Cleanup code that treated StrictMode enum and ExtraICState enum as interchangeble.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/91803003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18136 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-28 15:32:55 +00:00
verwaest@chromium.org
50a4bb5084 Remove the strict-mode flag from store handlers. It's only relevant to the IC stub. 
R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/91413003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18103 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-27 14:00:54 +00:00
bmeurer@chromium.org
b39db7bbf3 Remove unused StubType's, freeing 2 bits in Code objects. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/75973005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17867 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-19 12:04:54 +00:00
danno@chromium.org
4ed2538262 Generate KeyedLoadDictionaryElementStub with Hydrogen 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/19492007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17804 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-15 17:53:35 +00:00
verwaest@chromium.org
341d405301 Reland and fix "Add support for keyed-call on arrays of fast elements" 
BUG=
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/71783003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17782 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-15 10:52:05 +00:00
machenbach@chromium.org
eef8694a7e [Sheriff] Revert "Add support for keyed-call on arrays of fast elements" 
This reverts commit r17746 for breaking layout tests.

TBR=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/72753002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17751 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-14 15:00:13 +00:00
verwaest@chromium.org
607a175cbc Add support for keyed-call on arrays of fast elements 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23537067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-14 13:46:18 +00:00
mvstanton@chromium.org
9d6dddb9ae Simplify behavior of code stubs that accept a variable number of stack 
arguments in addition to their parameters. Before, we'd add a special
variable to the environment with the value of a register with the
number of arguments. Now, that register just appears as a parameter to
the code stub.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/70203002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17680 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-13 10:07:04 +00:00
bmeurer@chromium.org
6f75e92902 Add initial hydrogenized NewStringAddStub. 
The new stub is enabled via the --new-string-add flag, which is
disabled by default. For now, it's only a stripped down version
of the native StringAddStub, it's still work-in-progress.

BUG=v8:2990
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/61893009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17635 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-12 10:21:08 +00:00
verwaest@chromium.org
442e77d536 Turn Load/StoreGlobal into a handler. 
BUG=
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/26968004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17550 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-07 10:17:13 +00:00
bmeurer@chromium.org
93376d8b62 Get rid of unused STRING_ADD_ERECT_FRAME flag. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/39803002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17373 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-24 12:08:58 +00:00
bmeurer@chromium.org
100fb55555 Inline number to string conversion for string addition into BinaryOp(Stub). 
This fixes a performance regression that was caused by converting the
BinaryOpStub to a Hydrogen code stub. It also fixes a leftover TODO wrt.
the handling of Number*String or String*Number versions of the stub.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/27674002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17290 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-21 12:42:08 +00:00
mstarzinger@chromium.org
701417f955 Make stack_parameter_count a plain register. 
R=rossberg@chromium.org, danno@chromium.org

Review URL: https://codereview.chromium.org/28993003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-18 14:55:21 +00:00
olivf@chromium.org
256de3235f Ensure only whitelisted stubs have sse2 versions in the snapshot. 
BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/26680002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17123 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-10 08:45:40 +00:00
olivf@chromium.org
66c610398f Reland "Hydrogenisation of binops" 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/25494007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17104 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-04 08:17:11 +00:00
olivf@chromium.org
f454b45d6d Add a flag to print the time it takes to compile HydrogenCodeStubs. 
BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/25693003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17071 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-02 11:27:37 +00:00
olivf@chromium.org
9459ed3ab4 Revert "Hydrogenisation of binops" 
This reverts r17052-17054 for various build breaks.

TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/25571002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17055 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-01 18:00:02 +00:00
olivf@chromium.org
7873f35eb2 Hydrogenisation of binops 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/24072013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17052 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-01 15:24:56 +00:00
verwaest@chromium.org
0f715540a2 Tag handlers as HANDLER rather than STUB. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/25044002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17012 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-30 13:53:21 +00:00
bmeurer@chromium.org
70b8e2d013 Turn the NumberToStringStub into a hydrogen stub. 
This adds a BuildLookupNumberStringCache() in Hydrogen, which will
be used by the hydrogen version of StringAddStub, in addition to the
hydrogen version of NumberToStringStub.

R=mvstanton@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=16874

Review URL: https://codereview.chromium.org/23726041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16910 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-24 09:31:07 +00:00
machenbach@chromium.org
576515ebf3 Revert "Turn the NumberToStringStub into a hydrogen stub." 
This reverts commit 16874 for breaking the tests.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23440064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16876 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-23 11:22:35 +00:00
bmeurer@chromium.org
9c48fbda75 Turn the NumberToStringStub into a hydrogen stub. 
This adds a BuildLookupNumberStringCache() in Hydrogen, which will
be used by the hydrogen version of StringAddStub, in addition to the
hydrogen version of NumberToStringStub.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/23726041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-23 10:58:45 +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
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
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
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
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
dcarney@chromium.org
675ac2660d thread isolate for files starting with 'b' and 'c' 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23729006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16489 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-03 06:57:16 +00:00
yangguo@chromium.org
ecbfcd7e06 Turn interrupt and stack check into builtins. 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23480013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-30 11:24:58 +00:00
mvstanton@chromium.org
7fea193609 Convert FastNewClosureStub into hydrogen. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22562002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16356 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-27 11:55:08 +00:00