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Author SHA1 Message Date
vegorov@chromium.org
ae39e059c2 Take survival rates of young objects into account when choosing old generation limits. 
Stable high survival rates of young objects both during partial and
full collection indicate that mutator is either building or modifying
a structure with a long lifetime.

In this case we aggressively raise old generation memory limits to
postpone subsequent mark-sweep collection and trade memory space
for the mutation speed.

Review URL: http://codereview.chromium.org/2809032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4938 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-24 11:44:23 +00:00
sandholm@chromium.org
4695ef1a09 Change kMinComplexMemCopy to 64 for IA32. It's just better. 
Review URL: http://codereview.chromium.org/2818028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4937 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-24 11:21:58 +00:00
erik.corry@gmail.com
a4a757d74f ARM: Remove spilled scopes. 
Review URL: http://codereview.chromium.org/2848023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4936 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-24 11:05:38 +00:00
mikhail.naganov@gmail.com
e2dc1e3870 fixed 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4935 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-24 10:05:57 +00:00
lrn@chromium.org
40d86c616c X64: Remove more fpu code. Unroll more local initialization loops. 
Review URL: http://codereview.chromium.org/2815028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4934 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-24 09:03:49 +00:00
mikhail.naganov@gmail.com
52a257499a Make SampleRateCalculator test resilient to float precision issues. 
Tested with kSamplingIntervalMs values 2 and 4.

Review URL: http://codereview.chromium.org/2811021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4933 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-24 08:57:24 +00:00
erik.corry@gmail.com
251b1c5f93 ARM: Remove a bunch of spilled scopes. Still a lot to go. 
Review URL: http://codereview.chromium.org/2828004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4932 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-24 07:54:48 +00:00
lrn@chromium.org
0dee9a7942 X64: Change some fpu operations to use XMM registers. 
Review URL: http://codereview.chromium.org/2827022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4930 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 14:05:18 +00:00
erik.corry@gmail.com
ca8298273a ARM: Fix bug introduced in 4783 (2.2.15) that caused the 
result of 1 << x to be miscalculated for some inputs.
Review URL: http://codereview.chromium.org/2848021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4929 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 13:44:11 +00:00
lrn@chromium.org
a2fc244de2 X64: A bunch of small fixes. 
Make push/pop use emit_optional_rex32.
Fix bug in disassembler (swapped name of comisd/ucomisd).
Use fstp in FCmp macro.

Review URL: http://codereview.chromium.org/2818026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4928 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 11:48:30 +00:00
whesse@chromium.org
132fea7980 Use SSE2 registers when comparing identical heap numbers on X64. 
Review URL: http://codereview.chromium.org/2850018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4927 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 09:21:32 +00:00
kaznacheev@chromium.org
927750571c Remove redundant checks in and around GenerateDictionaryLoad. 
Similar or duplicate checks are scattered around the code before doing the dictionary load. 
Also the entire branch in GenerateCallNormal that handles global/builtin receiver is 
guaranteed to bail out from GenerateDictionaryLoad, so there is no point in generating it at all.

The purpose of the patch is:
- making C++ code more compact and transparent,
- not generating dead code. 

There is a tiny performance gain. The patch is ia32 only for now.

Please tell me if I am missing anything.


Review URL: http://codereview.chromium.org/2801007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4926 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 09:10:21 +00:00
ricow@chromium.org
0b11e5ba22 Prepare push to trunk. Now working on version 2.2.20. 
Review URL: http://codereview.chromium.org/2815025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4923 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 08:51:53 +00:00
ricow@chromium.org
be531accc0 Add regression test for the code flushing in issue 474 (which was 
fixed in revision 4921).

This also enables codeflushing by default.

Review URL: http://codereview.chromium.org/2829020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 08:02:06 +00:00
ricow@chromium.org
a330683b00 Only flush code when there are no heap allocated locals in the scopeinfo. 
When flushing code we can potentially flush code with a scopeinfo that
we later need to resolve variables. This makes an explicit check that
there are heap allocated locals in the scopeinfo.


Review URL: http://codereview.chromium.org/2836021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4921 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 07:16:09 +00:00
lrn@chromium.org
41d9d375e3 Lower waste from alignment of deferred code blocks. 
Some ARM chips load instructions 8 byte at a time.

Review URL: http://codereview.chromium.org/2809029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4920 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-23 07:03:34 +00:00
lukezarko
aade86e044 Make the apply.js unit test more resilient to differing stack positions. 
More information is at http://code.google.com/p/v8/issues/detail?id=742

Review URL: http://codereview.chromium.org/2835014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4918 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-22 22:20:58 +00:00
mikhail.naganov@gmail.com
b6e6ab6972 Heap profiler: perform a GC round before taking a snapshot 
to get rid of global object loaded from a snapshot. This
eliminates the "double global object" issue. Thanks to Mads
for suggesting this!

Review URL: http://codereview.chromium.org/2865013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4917 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-22 14:58:08 +00:00
lrn@chromium.org
05fa888927 Made scanner follow coding style. 
Review URL: http://codereview.chromium.org/2832018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4916 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-22 12:31:24 +00:00
erik.corry@gmail.com
7287aff403 Augment trace-ic to provide information on patching inlined loads. 
Review URL: http://codereview.chromium.org/2818023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4915 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-22 12:12:32 +00:00
lrn@chromium.org
2bd8d3323b X64: Change strategy for spilling to match ia32. It's just better. 
Align deferred code blocks to 16-byte address boundaries.

Review URL: http://codereview.chromium.org/2855018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4914 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-22 10:07:57 +00:00
erik.corry@gmail.com
53340b2624 Add movw and movt support for ARMv7. This includes some code from 
Zhang Kun.  For now we only emit movw and movt in places where no
relocation is needed.  Small performance boost (around 0.5%).
Also adds support for turning ALU operations (eor etc.) with
large immediates into mvn or movw followed by a register-based
ALU operation.
Review URL: http://codereview.chromium.org/2821014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4913 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-22 08:38:32 +00:00
evan@chromium.org
6b1d21c662 Use this->Foo() in some places due to two-phase lookup. 
This is required by more strict compilers (Clang).
Review URL: http://codereview.chromium.org/2037004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4908 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-21 20:52:43 +00:00
lrn@chromium.org
324a6df321 X64: Fix bug in LoadSSE2NumberOperands. It can be called with two smis! 
Remove some unused labels.

Review URL: http://codereview.chromium.org/2861011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4906 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-21 12:39:37 +00:00
lrn@chromium.org
ed55948864 X64: Reapply fix for allocating HeapNumber results for >>>. 
Also skip case where both number arguments are smis.

Review URL: http://codereview.chromium.org/2814021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4905 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-21 11:21:36 +00:00
sgjesse@chromium.org
bdbda3b6d0 ARM: Update the generation of the name for GenericBinaryOpStub 
Review URL: http://codereview.chromium.org/2840011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4904 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-21 10:34:25 +00:00
whesse@chromium.org
48f2458bd9 Avoid redundant smi check in x64 loading of floats into SSE2 registers. 
Review URL: http://codereview.chromium.org/2862004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4903 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-21 09:04:44 +00:00
lrn@chromium.org
c94c39a667 X64: Load HeapNumberMap once in BinaryOpStub, and reuse it. 
Review URL: http://codereview.chromium.org/2819012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4902 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-21 08:51:44 +00:00
lrn@chromium.org
d8bc7a9436 X64: Make more computations happen on 32-bit values instead of on smis. 
Review URL: http://codereview.chromium.org/2816014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4899 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-18 12:55:04 +00:00
sgjesse@chromium.org
685cae6021 API: Resolve linker issues with using V8 as a DLL 
This changes the way the constants kJSObjectType, kFirstNonstringType and kProxyType are made available to the inlined part of the V8 API. This change to fixed constants resolves linker this linker error Windows

error LNK2001: unresolved external symbol "public: static int v8::internal::Internals::kJSObjectType" (?kJSObjectType@Internals@internal@v8@@2HA)

when linking against a V8 DLL.

This change also makes it possible to build all the C++ tests with ENABLE_DEBUGGER_SUPPORT not defined. Now C++ tests run ENABLE_DEBUGGER_SUPPORT not defined, and only the JavaScript tests which tests the debugger fails when ENABLE_DEBUGGER_SUPPORT is not defined.
Review URL: http://codereview.chromium.org/2820016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4898 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-18 10:52:59 +00:00
erik.corry@gmail.com
694669926c ARM: Load the heap number map into a register and keep it 
there throughout the binary op stub (used for checking and
creating heap numbers).
Review URL: http://codereview.chromium.org/2843010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4897 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 21:51:51 +00:00
antonm@chromium.org
078d285353 Push AccessorInfo data directly if they reside in old space. 
Review URL: http://codereview.chromium.org/2840004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4896 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 17:13:40 +00:00
vitalyr@chromium.org
3cafa65462 Track ascii-ness of data in externalized strings. 
If a two-byte string only contains ascii characters, then we can save
memory when flattening a cons string containing it. Similarly we can
use this in Array.prototype.join implementation. To track this a new
bit is added to instance type. This bit is used as a hint in generated
code and in runtime functions.

To enable testing a new V8 extension is added controlled by
--expose-externalize-string flag.

Review URL: http://codereview.chromium.org/2762008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4894 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 16:19:28 +00:00
lrn@chromium.org
26e692af2f X64: Change some smi operations to work on untagged integers instead. 
Use direct reading and writing of integers from Smi fields.
Change RecordWrite with 0 offset to take untagged index instead of
smi tagged index.

Review URL: http://codereview.chromium.org/2872005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4893 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 15:48:43 +00:00
mikhail.naganov@gmail.com
93387f272e Heap profiler: add a missing link between a function closure and shared function info. 
Review URL: http://codereview.chromium.org/2846012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4891 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 12:56:55 +00:00
podivilov@chromium.org
7808d45af5 Fix a bug when top level break points fall into the last function in script. 
Review URL: http://codereview.chromium.org/2824007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4890 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 12:47:08 +00:00
erik.corry@gmail.com
d1c60571ae ARM: Minor refactoring of RecordWrite, does not require the offset to 
be in a register anymore. Code also updated to use the bitfield
instructions when available.  This is a commit of
http://codereview.chromium.org/2845003/show for Rodolph Perfetta.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4889 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 10:45:37 +00:00
ager@chromium.org
6702ace935 Move definition of NegateConditon from assembler*-inl.h files to 
assembler*.h files to make clang happy. There was no reason for having
the definition in the -inl.h files in the first place.

Review URL: http://codereview.chromium.org/2825008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4888 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-17 08:41:48 +00:00
sgjesse@chromium.org
50a2e15bbd ARM: Special case for modulus of two smis in the generic binary opration stub 
When lhs and rhs are positive smis and rhs is a power of two perform modulus by masking.
Review URL: http://codereview.chromium.org/2873001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4884 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 20:03:32 +00:00
mikhail.naganov@gmail.com
e6ea484e1f Fix issue 738: make compilable with profilingsupport=off 
BUG=738
TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/2800009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4883 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 19:53:24 +00:00
podivilov@chromium.org
f5fdef253b Save actual break point location to script break point object. 
Review URL: http://codereview.chromium.org/2864003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4879 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 14:50:07 +00:00
ager@chromium.org
2043956c54 Remove the comisd instruction from the ia32 and x64 assemblers. We 
should always use ucomisd.

Add missing pop from floating-point stack in case of allocation failure.
Review URL: http://codereview.chromium.org/2831009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4878 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 12:32:34 +00:00
lrn@chromium.org
14b216bd61 X64: Change overflow checks to only jump on overflow. 
Costs an extra move because the result is calculated in a scratch register
and only moved to destination on non-overflow in order to preserve source
registers in case of overflow.

Review URL: http://codereview.chromium.org/2823004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4877 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 12:11:22 +00:00
whesse@chromium.org
2581562248 Prepare push to trunk. We are now working on version 2.2.19. 
Review URL: http://codereview.chromium.org/2806009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 10:36:47 +00:00
kaznacheev@chromium.org
b251f14782 Port KeyedCallIC implementation to x64 and ARM. 
Also edited ic-ia32.cc for clarity and better formatting.

Review URL: http://codereview.chromium.org/2853003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4873 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 10:03:47 +00:00
ager@chromium.org
ed0fc41723 Change hash computation for transcendental cache to use arithmetic 
shifts. Leads to fewer collisions.

Review URL: http://codereview.chromium.org/2809012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4872 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-16 08:29:25 +00:00
antonm@chromium.org
52975ae407 Remove old named property query API. 
Review URL: http://codereview.chromium.org/2742007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4867 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-15 17:01:02 +00:00
mikhail.naganov@gmail.com
a4cc374d37 Fix HeapSnapshot test in the case when snapshotting is enabled. 
TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/2843002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4865 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-15 12:28:25 +00:00
mikhail.naganov@gmail.com
f213b096bc Heap profiler: publish API and add test. 
Review URL: http://codereview.chromium.org/2822009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4864 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-15 11:44:07 +00:00
ager@chromium.org
31cb9f7090 Add external references used for regexp execution to the serializer. 
Review URL: http://codereview.chromium.org/2838001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4863 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-06-14 21:03:59 +00:00