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Author SHA1 Message Date
deanm@chromium.org
6f5368146b Don't try an indexOf() when the search string is bigger than the string. The current code will spend a bunch of time trying to match, even though we should know a match is impossible. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@348 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-19 11:31:02 +00:00
deanm@chromium.org
ab377a3f42 TryFlatten is inlined, while Flatten is not. Make an optimization to avoid the call to Flatten when we're already flat. This gives me 5% on some simple indexOf experiments. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@347 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-19 11:06:35 +00:00
sgjesse@chromium.org
cc8fd0e527 Add assembler.h the the Visual Studio project file. 
Review URL: http://codereview.chromium.org/2985

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@346 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-19 10:10:21 +00:00
kasperl@chromium.org
914611056a Fix lint issues. 
Review URL: http://codereview.chromium.org/3144

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@344 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 13:42:39 +00:00
lrn@chromium.org
2816e8a899 Added fast-case for switch statement where all lables are constant Smi's in a limited range (IA32 only so far). 
Implemented using a jump-table, for constant time lookup.


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@343 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 11:59:55 +00:00
ager@chromium.org
57e2aa1b26 Use null instead of undefined for deleted elements in code caches. 
Update the lookup and update code for code caches to deal with deleted
elements.

Do not clear the code cache for the builtins object.  If there was a
matching element in the code cache, we would have hit the monomorphic
prototype failure case and removed it.
Review URL: http://codereview.chromium.org/3140

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@340 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 11:18:27 +00:00
kasperl@chromium.org
cb4ea56368 Fix ARM build by adding a dummy last_statement_position() accessor 
to the assembler.
Review URL: http://codereview.chromium.org/2961

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@339 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 10:40:25 +00:00
ager@chromium.org
6a3d1868e4 Revert revision 331. The propagation of monomorphic prototype failure 
information does not work.  In certains situations, it will keep
alternating between unrelated monomorphic states instead of going
megamorphic.
Review URL: http://codereview.chromium.org/2959

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@338 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 10:22:46 +00:00
sgjesse@chromium.org
d6ae7d4d04 Revert changes to src\assembler-arm.h which slipped into a previous checkin breaking the ARM build. 
Review URL: http://codereview.chromium.org/2958

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@337 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 10:15:17 +00:00
sgjesse@chromium.org
b568d7a17b Defer the writing of the source position data to the relocation information 
until a possible debug break location is reached. Currently this is call sites
with calls to code objects and JS return. Source position information in the
code therefore no longer refers to the "first" instruction generated for a
given source position (which was not the case defered code anyway) but to the
first break location after that source position was passed (again defered code
always start with source position information). This doesn't make a difference
for the debugger as it will always be stopped only at debug break locations.
However, this makes the life of the peep-hole optimizer much easier as many
oportunities for posh/pop eliminations where previosly blocked by relocation
information already written to the code object.

Two types of source positions are still collected. Statement positions indicate
the position of the start of the statement leading to this code and (plain)
positions indicate other places typically call sites to help indicate current
position in backtraces. The two different types of positions are also used to
distinguish between step next and step in.

Runs all the tests (including debugger tests) as before.

Moved the checking for the FLAG_debug_info to one place.

I will do the same changes to the ARM codegenerator in a seperate changelist.

Review URL: http://codereview.chromium.org/2957

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@335 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 08:51:43 +00:00
kasperl@chromium.org
45cfe562c8 Remove unused codereview.settings file. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@334 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 08:29:06 +00:00
whessev8
0d05c71db4 Flush the runtime %DebugPrint output. Should have no performance impact, 
since %DebugPrint is not often used.  Needed for some performance testing
statistics outputting.

Fix the declaration of descriptor enumerated constants to be more readable.
Review URL: http://codereview.chromium.org/3100

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@332 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 07:31:37 +00:00
ager@chromium.org
950ad34a94 Propagate the information that a monomorphic prototype failure has 
occured.  After a monomorphic prototype failure has been detected,
other monomorphic inline caches for the same type will have a code
object in the map's code cache which is not the current target.  We
recognize this case and use the code object that is in the cache
instead of going megamorphic.

Review URL: http://codereview.chromium.org/2928

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@331 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-18 06:55:14 +00:00
kasperl@chromium.org
08e6b7c31f Update version string and ChangeLog; we're now working on 
version 0.3.3.
Review URL: http://codereview.chromium.org/3101

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@328 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-17 13:56:12 +00:00
sgjesse@chromium.org
390b5cb185 Changed the disassembler formatting 
Changed the formatting of the comment in the disassembler output to contain
more information on code targets.
Review URL: http://codereview.chromium.org/3099

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@327 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-17 12:38:50 +00:00
erik.corry@gmail.com
cd50f9f865 Move the initial code space to be before the young space instead of after it. 
The old arrangement meant that the alignment requirements of young space were
likely to nullify ASLR.
Review URL: http://codereview.chromium.org/2925

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@326 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-17 10:59:19 +00:00
erik.corry@gmail.com
5312fc05be The OutOfMemory and OutOfMemoryNested tests set a heap limit that was too low. 
A change in the way heap was allocated meant that the initial heap size was
sometimes not higher than the limit, which mean that the limit started having
and effect and prevented V8 from booting up.

Fixes http://code.google.com/p/v8/issues/detail?id=25
Review URL: http://codereview.chromium.org/2924

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@325 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-17 10:58:45 +00:00
erik.corry@gmail.com
05597193ce More thorough tests of sorting integers in lexicographic order. 
Review URL: http://codereview.chromium.org/2923

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@324 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-17 10:25:05 +00:00
sgjesse@chromium.org
abeb614287 Added missing static to returned buffer. 
Review URL: http://codereview.chromium.org/3096

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@323 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-17 09:05:36 +00:00
iposva@chromium.org
45847bd125 - Rename flags.defs to flag-definitions.h. 
- Add better support for ignoring files in the presubmit tool.

Review URL: http://codereview.chromium.org/3082

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@322 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-17 08:47:50 +00:00
iposva@chromium.org
1409dc5d05 Added presubmit.py to the tools tab for easier access. 
TBR=mark
Review URL: http://codereview.chromium.org/2892

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@319 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-16 14:37:24 +00:00
ager@chromium.org
a0257ca1a0 Only remove the code object that caused the monomorphic prototype 
failure instead of clearing the cache.  Clearing the cache makes us
miss subsequent monomorphic prototype failures.

Review URL: http://codereview.chromium.org/2889

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@318 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-16 12:41:36 +00:00
kasperl@chromium.org
6b4f5aba96 Fix issue 67 by copying the receiver function one slot 
down too. Also fix lint issue in codegen-arm.cc.

Reviewed offline by Ivan (iposva@chromium.org).
Review URL: http://codereview.chromium.org/3080

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@316 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-16 11:40:21 +00:00
iposva@chromium.org
88192fc01c Fix http://code.google.com/p/v8/issues/detail?id=69 : 
- Simplify the switch statement code generation.
- Ensure that the switch value is always popped from the stack.

Credit goes to Feng for isolating the issue and proposing a fix.
Review URL: http://codereview.chromium.org/2888

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@315 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-16 11:23:02 +00:00
kasperl@chromium.org
725dcfb503 Remove the old builtins framework with the huge, nasty 
macro.
Review URL: http://codereview.chromium.org/3079

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@314 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-16 10:12:32 +00:00
ager@chromium.org
ec5a24dd64 Keep the inline caches for the builtins object monomorphic when 
libraries are loaded lazily.

Review URL: http://codereview.chromium.org/2885

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@313 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-16 09:21:22 +00:00
kasperl@chromium.org
3f67d5b90f Stop adapting the arguments passed to the builtin implementations 
of Array.prototype.push and Array.prototype.pop. Avoid going 
through the arguments adaptor trampoline for call ICs that end
up calling a builtin that does not need arguments adaption.
Review URL: http://codereview.chromium.org/2884

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@312 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-16 07:24:46 +00:00
kasperl@chromium.org
64923a6a83 Generalize the Function.prototype.call hooks in the 
arguments adaptor code to allow builtins to work without
argument adaptor frames. Get rid of unused JavaScript
implementation of call and apply and the associated
code generation hooks.
Review URL: http://codereview.chromium.org/2850

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@311 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-15 15:02:38 +00:00
ager@chromium.org
cf1a6a0bbc Simplify logic in string-to-double conversion code. 
Fast case for strings that are definitely not numbers.
Review URL: http://codereview.chromium.org/2847

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@309 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-15 12:17:36 +00:00
sgjesse@chromium.org
1132d818c6 Fixed broken build of mksnapshot on Windows as there was warnings against 
the use of fopen. Change use of fopen to OS::FOpen to get rid of warning.
Review URL: http://codereview.chromium.org/2846

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@303 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-15 10:57:53 +00:00
deanm@chromium.org
57d29fa44f Remove EOL trailing whitespace. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@302 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-15 09:24:59 +00:00
deanm@chromium.org
1a0ccbd927 Move the Counters to structures that can be POD initialized, avoiding the need for static constructors on program startup. They were only default initializing and doing some unneeded string operations. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@301 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-15 08:59:31 +00:00
iposva@chromium.org
27e8ffe324 - Add support for building the ARM simulator version of V8 to the Xcode project. 
- Added new compilation-cache.[cc|h] files.
- Fixed log.cc to be able to build without ENABLE_LOGGING_AND_PROFILING defined.

The next step is to mirror the xcconfigs in a separate change.
Review URL: http://codereview.chromium.org/1948

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@300 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 17:25:38 +00:00
deanm@chromium.org
b602106195 The serialization system handles some flag parsing itself, which is a bad idea. For now, update the internal strings, since they will be underbar versions in the new flag system. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@299 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 12:17:33 +00:00
deanm@chromium.org
c178664049 Fix some arm related flags with the new flag system. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@298 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 11:00:36 +00:00
deanm@chromium.org
f119eb772e Move a few bits of mksnapshot over to the new flag system. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@297 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 10:31:37 +00:00
deanm@chromium.org
77196c5771 This is a new static flag system, designed to have all flags in a central place, and compiled into the binary without requiring static constructors for registration. All flags are moved out of the specific modules and into flags.defs, with different sections for debug, release, etc. The flag variables are always defined. For example, a debug flag in release mode still exists, but is read only and set to the default value. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@296 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 10:19:33 +00:00
kmillikin@chromium.org
b5d8866ced Flexo is tired, but this should perk him up. Single-argument constructors 
should be marked explicit.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@295 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 08:52:22 +00:00
kmillikin@chromium.org
0c4fd55c57 Change the code generator state constructor to implicitly push the state on 
stack, rather than explicitly saving and restoring it.
Review URL: http://codereview.chromium.org/3002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@294 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 08:24:57 +00:00
sgjesse@chromium.org
5e4020ed07 Removed SCons warning flags duplication on Windows. It now uses 
the same scheme as for gcc on Linux.
Review URL: http://codereview.chromium.org/2424

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@292 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 07:08:55 +00:00
iposva@chromium.org
0c936baaab Satisfy lint! 
TBR=nobody

Review URL: http://codereview.chromium.org/3001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@291 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 04:59:41 +00:00
iposva@chromium.org
ffa7f7bd5b - Update test status file with fixed tests for ARM and add failing test tracked by issue 67. 
- Remove debugging aid stop("Generate_ArgumentsAdaptorTrampoline - non-function call")
- Cleanup comment

Review URL: http://codereview.chromium.org/2801

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@290 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 04:31:34 +00:00
iposva@chromium.org
c5ee961882 Adapt to new calling convention on ARM: 
- Simplified frame entry and frame exit code.
- Added ArgumentsAdaptorTrampoline and check for matching argument counts in the InvokePrologue.
- Removed definition and uses of USE_OLD_CALLING_CONVENTIONS.
- Changed MacroAssembler::InvokeBuiltin to match ia32 version.
- Start introducing convenience instructions in the ARM assembler as needed. These instructions take all Register parameters to avoid extra typing of "Operand(reg)".


To keep the architectures in sync these changes have been made to the ia32 files:
- Changed MacroAssembler::EnterFrame(StackFrame::Type type) to MacroAssembler::EnterInternalFrame().


These parts are still missing:
- unimplemented: Builtins::Generate_FunctionApply - large limit
- unimplemented: Builtins::Generate_ArgumentsAdaptorTrampoline - non-function call
- The files have not been lint'd yet.


Review URL: http://codereview.chromium.org/1930

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@289 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-12 03:29:06 +00:00
ager@chromium.org
b6ad53054f Add back the CCFLAGS to the CXXFLAGS. Leaving them out caused V8 to 
be build without optimization flags.
Review URL: http://codereview.chromium.org/1947

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@288 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-11 18:46:29 +00:00
christian.plesner.hansen@gmail.com
66b18b9975 Fixed arm disassembler build problems. 
Fixed lint issue in platform-macos.

Review URL: http://codereview.chromium.org/1941

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@287 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-11 16:41:19 +00:00
kmillikin@chromium.org
4afbecf50e Fix performace regression due to missed peephole optimization 
opportunity.
Review URL: http://codereview.chromium.org/2002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@286 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-11 15:16:08 +00:00
christian.plesner.hansen@gmail.com
3764f52a4e Fixed build problem on mac, lint issues and a test failure on win32. 
Review URL: http://codereview.chromium.org/2601

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@285 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-11 15:03:22 +00:00
sgjesse@chromium.org
211751f81e Apply the flags to the SCons environment used to link the library to have the 
LINKFLAGS take effect. This fixes building shared libraries on 64-bit Linux.

Removed the CCFLAGS from the CXXFLAGS for Linux as SCons combines these
automatically on Linux. This removed the duplication of flags when compiling on
Linux.

On Linux SCons defines CXXCOM as follows

  'CXXCOM': '$CXX -o $TARGET -c $CXXFLAGS $CCFLAGS $_CCCOMCOM $SOURCES'

whereas on Windows it is

  'CXXCOM': '$CXX $CXXFLAGS $CCCOMFLAGS'

Review URL: http://codereview.chromium.org/2422

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@284 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-11 14:39:11 +00:00
christian.plesner.hansen@gmail.com
32cf7fd9a1 Replaced calls to functions that msvc consider deprecated. Used 
Vector<...> in more places to be sure that buffers have a length
associated with them.

Review URL: http://codereview.chromium.org/1940

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@283 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-11 14:34:48 +00:00
kasperl@chromium.org
1daa61fe2d Fix issue 65 by making sure not to leak any of the cache 
tables when doing compilation cache operations.
Review URL: http://codereview.chromium.org/1939

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2008-09-11 13:39:48 +00:00