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Author SHA1 Message Date
machenbach@chromium.org
a72468496d Prepare push to trunk. Now working on version 3.25.7. 
R=dslomov@chromium.org
TBR=dslomov@chromium.org

Review URL: https://codereview.chromium.org/189463018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 10:02:49 +00:00
yangguo@chromium.org
d3a16a2e2a Add support for allowing an embedder to get the V8 profile timer event logs. 
Contributed by fmeawad@chromium.org

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/186163002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 08:56:48 +00:00
dcarney@chromium.org
132d4428e5 allowed keyed store callbacks ic generation 
R=verwaest@chromium.org

BUG=

Review URL: https://codereview.chromium.org/173853005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19744 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 08:40:03 +00:00
yangguo@chromium.org
469428e610 Handlify JSObject::CanSetCallback. 
Also use temporary wrapper functions where possible to mark progress.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/172503002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 08:28:59 +00:00
yangguo@chromium.org
4826aa7af2 Harmony: implement Math.cbrt in Javascript. 
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/183743018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19742 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 08:21:18 +00:00
dcarney@chromium.org
2c74163f59 initialize v8::Private with v8::String 
R=rossberg@chromium.org

BUG=

Review URL: https://codereview.chromium.org/179983002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19741 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 08:20:56 +00:00
dcarney@chromium.org
7d8cda6ea0 Allow Object::InternalFieldCount and Object::GetAlignedPointerFromInternalField to be called from Persistent classes 
R=svenpanne@chromium.org

BUG=

Review URL: https://codereview.chromium.org/177343002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19740 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 08:18:57 +00:00
yangguo@chromium.org
0a5113b69f Skip unreachable blocks when looking for next emitted block. 
Goto does not emit a jump if the target is the next emitted block.
However, if there is an unreachable block between Goto and the jump
target, we still emit a jump even though the unreachable block is
not actually emitted. That jump is unnecessary.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/174883002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19739 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 07:42:09 +00:00
jarin@chromium.org
b83b8b9ed4 Atomic ops: Sync with Chromium and add unit test. 
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/129813008

Patch from Cosmin Truta <ctruta@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19738 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 06:43:21 +00:00
bmeurer@chromium.org
c981914d4c Replace the recursion in PropagateMinusZeroChecks() with a loop and a worklist. 
Also refactor the related code in preparation for fixing the
range analysis.

BUG=v8:3204
LOG=y
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/190713002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19737 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 05:52:03 +00:00
rafaelw@chromium.org
6503dfb72b Reland "Enable Object.observe by default" 
Original Issue: https://codereview.chromium.org/183683022/

TBR=rossberg
BUG=v8:2409
LOG=Y

Review URL: https://codereview.chromium.org/189513010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19736 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-08 04:41:06 +00:00
rafaelw@chromium.org
0cc44c14e5 Revert "Enable Object.observe by default" 
TBR=rossberg
BUG=

Review URL: https://codereview.chromium.org/190853007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-08 03:54:42 +00:00
rafaelw@chromium.org
dcf9842e07 Enable Object.observe by default 
R=rossberg@chromium.org, rossberg
BUG=v8:2409
LOG=Y

Review URL: https://codereview.chromium.org/183683022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19734 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-08 02:47:53 +00:00
plind44@gmail.com
eb90940005 MIPS: Consistenly handle power-of-2 divisors in division-like operations. 
Port r19715 (0d6d244)

Original commit message:
Lithium currently supports 3 division-like operations on integral
operands: "Normal" division (rounding towards zero), flooring division
(rounding towards -Infinity) and modulus calculation (the counterpart
for the "normal" division). For divisors which are a power of 2, one can
efficiently use some bit fiddling to avoid the actual division for such
operations. This CL cleanly splits off these operations into separate
Lithium instructions, making the code much more maintainable and more
consistent across platforms.

There are 2 basic variations of these bit fiddling algorithms: One
involving branches and a seemingly more clever one without branches.
Choosing between the two is not as easy as it seems: Benchmarks (and
probably real-world) programs seem to favor positive dividends,
registers and shifting units are sometimes scarce resources, and branch
prediction is quite good in modern processors. Therefore only the
"normal" division by a power of 2 is implemented in a branch-free
manner, this seems to be the best approach in practice. If this turns
out to be wrong, we can easily and locally change this.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/189433008

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19733 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 22:11:52 +00:00
palfia@homejinni.com
ef8ab12f53 MIPS: Introduce intrinsics for double values in Javascript. 
Port r19704 (120500a)

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

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/189913005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19732 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 22:08:20 +00:00
yurys@chromium.org
e18b575c6e Fix compiler warning on Win64 
BUG=None
LOG=N
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/191153002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19731 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 17:20:03 +00:00
m.m.capewell@googlemail.com
b2041607a3 A64: Improve constraints on StoreKeyed instructions 
BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/190783002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19730 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 17:12:47 +00:00
yurys@chromium.org
737584cca1 Fix compilation on 32-bit platforms after r19728 
BUG=None
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/191043002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19729 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 16:34:10 +00:00
yurys@chromium.org
74546c03ad AllocationTracker now maintains a map from address range to stack trace that allocated the range. When snapshot is generated the map is used to find construction stack trace for an object using its address. 
BUG=chromium:277984
LOG=Y
R=alph@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/177983003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19728 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 16:13:22 +00:00
rodolph.perfetta@arm.com
40325916fd A64: tidy up the disassembler 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/171603020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19727 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 16:11:50 +00:00
plind44@gmail.com
a450b746db MIPS: Symbols for type cells. 
Port r19706 (81fd8dd)

Original commit message:
We can make more efficient code to check against type cells in the future if we use symbols, guaranteed not to conflict with user code. Currently, the "symbols" are the hole and undefined. Undefined may come in from the outside.

BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/189143006

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19726 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 15:48:50 +00:00
alexandre.rames@arm.com
9bb39d0a1c A64: Clean and improve ArgumentsAdaptorTrampoline. 
This patch:
 - uses named registers
 - reserves all the stack space in one go to avoid operations on csp
 - uses LDP/STP to copy the arguments

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/184103003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19725 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 15:25:28 +00:00
alexandre.rames@arm.com
33a46be689 A64: Handle a few TODOs. 
Notes about a few TODOs handled in this patch:

* In ProfileEntryHookStub::Generate:
    Stubs are always called with relocation.

* In CreateArrayDispatchOneArgument:
    The branches to registers can't be conditional. We could use a jump table, but
    there are only 6 different kinds so it is likely not worth it.

* In Builtins::Generate_StringConstructCode:
    Rename the argc register (x0) after its meaning changes.
    Remove a TODO: using a macro would not make the code clearer.

* In Generate_JSEntryTrampolineHelper:
    Remove the TODO and raise an internal issue to investigate this.

* In Disassembler::SubstituteBranchTargetField:
    Print the target address, but we don't have more info on the target.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/185793002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19724 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 15:20:32 +00:00
yangguo@chromium.org
4f15fd2977 Reland "Introduce intrinsics for double values in Javascript." 
This relands r19704 with a fix to the test case.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/189823003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 14:58:41 +00:00
svenpanne@chromium.org
fa6d25a602 Revert "Handle non-power-of-2 divisors in division-like operations", "A64 tweaks for division-like operations." and "Windows build fix.". 
This reverts commit 19719, 19720 and 19721 because
mozilla/ecma/Date/15.9.3.1-1 fails (in release mode only?).

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/189963005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19722 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 13:11:56 +00:00
svenpanne@chromium.org
5290867d76 Windows build fix. 
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/189093009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19721 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 12:12:50 +00:00
svenpanne@chromium.org
726eadf4e7 A64 tweaks for division-like operations. 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/190603003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19720 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 12:02:52 +00:00
svenpanne@chromium.org
94c450fcb9 Handle non-power-of-2 divisors in division-like operations 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/190383002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19719 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 11:44:04 +00:00
yurys@chromium.org
49cd3d8a65 Allocation tracker: add separate entry for allocations via V8 API 
When object is creating via native V8 API calls JS callstack is empty and the allocation is indistinguishable from say compiler allocations. This change adds a separate entry for such allocations.

Since FunctionInfo not necessarily corresponds to a heap object they are now referred to using their index in the list of all FunctionInfos.

BUG=chromium:277984
LOG=N
R=loislo@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/177203002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19718 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 11:32:01 +00:00
ulan@chromium.org
06af80d42d Introduce Runtime_GetAllScopesDetails to get all scopes at once for a frame. 
This will reduce heavy ScopeIterator instantiations.
Once incorporated into chromium, will give 30% speed boost.

BUG=chromium:340285
LOG=Y
R=ulan@chromium.org, Yang, rossberg, ulan

Review URL: https://codereview.chromium.org/181063008

Patch from Andrey Adaykin <aandrey@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19717 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 11:03:35 +00:00
mvstanton@chromium.org
f19e15c388 Test FeedbackVectorPreservedAcrossRecompiles needs crankshaft 
The new test didn't recognize that non-sse2 builds on ia32 would
disable crankshaft.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/189263007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19716 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 11:01:03 +00:00
svenpanne@chromium.org
819315db4e Consistenly handle power-of-2 divisors in division-like operations 
Lithium currently supports 3 division-like operations on integral operands: "Normal" division (rounding towards zero), flooring division (rounding towards -Infinity) and modulus calculation (the counterpart for the "normal" division). For divisors which are a power of 2, one can efficiently use some bit fiddling to avoid the actual division for such operations. This CL cleanly splits off these operations into separate Lithium instructions, making the code much more maintainable and more consistent across platforms.

There are 2 basic variations of these bit fiddling algorithms: One involving branches and a seemingly more clever one without branches. Choosing between the two is not as easy as it seems: Benchmarks (and probably real-world) programs seem to favor positive dividends, registers and shifting units are sometimes scarce resources, and branch prediction is quite good in modern processors. Therefore only the "normal" division by a power of 2 is implemented in a branch-free manner, this seems to be the best approach in practice. If this turns out to be wrong, we can easily and locally change this.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/175143002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19715 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 10:36:28 +00:00
ulan@chromium.org
a1e59cca73 Reduce heavy runtime calls from debug mirrors. 
Cache results of some heavy calls into C++.
This alone will boost the speed up to 18% on some real world scenarios.

BUG=chromium:340285
LOG=Y
R=ulan@chromium.org, yangguo@chromium.org, Yang, rossberg, ulan, yurys

Review URL: https://codereview.chromium.org/184483004

Patch from Andrey Adaykin <aandrey@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19714 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 10:25:53 +00:00
bmeurer@chromium.org
137249916f Track global cells as special side effects in GVN. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/188543004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19713 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 10:14:03 +00:00
mvstanton@chromium.org
1812f63fd2 Moved type feedback vector to SharedFunctionInfo. 
Type Vector followup: the type vector currently lives off the code object. This CL moves it to the SharedFunctionInfo, facilitating re-use and continued use in crankshafted code if desired.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/178463007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19712 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 10:12:17 +00:00
ulan@chromium.org
31f67939cb Check and clear date cache in DateCurrentTime, DateLocalTimezone and getTimezoneOffset. 
BUG=142141
LOG=Y
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/173793002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19711 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 10:01:00 +00:00
yangguo@chromium.org
143902bebf Revert "Introduce intrinsics for double values in Javascript." 
This reverts r19704.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/189533008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19710 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 09:49:28 +00:00
verwaest@chromium.org
8a3d715250 Revert "Use Representation::Integer32() for smi types on 32-bit-tagged systems." 
Due to performance regression.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/189843006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19709 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 09:29:07 +00:00
baptiste.afsa@arm.com
a1102885e0 A64: Minor improvement in FullCodeGenerator::VisitObjectLiteral. 
This patch avoid to push some values on the stack when it's not needed.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/183193005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19708 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 09:19:51 +00:00
mstarzinger@chromium.org
42169bf3df Update .gitignore to new test262 package name. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/188923003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19707 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 09:19:48 +00:00
mvstanton@chromium.org
1d3652ebe6 Symbols for type cells. We can make more efficient code to check against type cells in the future if we use symbols, guaranteed not to conflict with user code. Currently, the "symbols" are the hole and undefined. Undefined may come in from the outside. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/181283003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19706 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 09:10:18 +00:00
baptiste.afsa@arm.com
67265201e2 A64: Tidy up some TODOs in GenerateRecordCallTarget. 
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/184433002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19705 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 09:06:24 +00:00
yangguo@chromium.org
2aefde4443 Introduce intrinsics for double values in Javascript. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/178583006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19704 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 09:05:10 +00:00
yangguo@chromium.org
8472e0f02b Remove duplicates in runtime macros. 
Each item in INLINE_RUNTIME_FUNCTION_LIST had to have a duplicate
entry in RUNTIME_FUNCTION_LIST in order to match the comment.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/177313005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19703 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 08:49:02 +00:00
marja@chromium.org
bd1fb97d5c Remove Script::SetData and the script_data parameter from Script::(Compile|New). 
This feature makes it possible to associate data with a script and get it back
when the script is compiled or when an event is handled. It was historically
used by Chromium Dev Tools, but not any more. It is not used by node.js.

Note: this has nothing to do with the preparse data, despite the confusing name.
The preparse data is passed as ScriptData*.

Note 2: This is the same as r19616 ( https://codereview.chromium.org/184403002/ )
with a unused variable fix in bootstrapper.cc.

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/185533014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19702 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 08:43:54 +00:00
yangguo@chromium.org
2454b8e74d Harmony: move implementation of Math.log1p and Math.expm1 to Javascript. 
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/179533003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19701 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 08:42:10 +00:00
bmeurer@chromium.org
c6bfbace87 ia32: Simplify inlined Smi code for SAR. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/188483002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19700 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 08:36:53 +00:00
yangguo@chromium.org
ea8368f471 Use fast path for sliced and external strings in ConvertCase. 
R=dcarney@chromium.org
BUG=v8:3180
LOG=N

Review URL: https://codereview.chromium.org/180063002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19699 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 08:36:18 +00:00
bmeurer@chromium.org
a4d3fbdc8f Optimistically untag the input in tagged-to-i. 
Also drop redundant jmp instruction in deferred code.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/182723003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19698 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-07 08:36:13 +00:00
jkummerow@chromium.org
10757a7e0d Prepare push to trunk. Now working on version 3.25.6. 
R=titzer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/186593005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19695 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-06 17:42:58 +00:00