bmeurer@chromium.org
bf86e624d4
Reland "Handle non-power-of-2 divisors in division-like operations".
...
Fixed the flooring div bug and added a test case.
R=svenpanne@chromium.org
Review URL: https://codereview.chromium.org/191293012
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19749 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-03-10 10:39:17 +00:00
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