No need to create sub strings for lazy compiles. The scanner will start from the start position provided.

Moved the creating of character streams into the scanner where possible. This uses a input buffer in the scanner class instead of a stack allocated one.

Added a UTF16 buffer for reading external ascii strings (by templating the external two byte string one) as all the source for the builtins are exposed as external ascii strings.
Review URL: http://codereview.chromium.org/661367

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4007 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test non-threaded.
Review URL: http://codereview.chromium.org/661462

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4005 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/661461

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4004 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/661458

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4003 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

 * Added Get and Set taking uint32_t for faster and more convenient
   access to elements.

 * Added less verbose casting for handles. Now instead of
       v8::Local<v8::String>::Cast(args[0])
   one can write
       args[0].As<v8::String>().

Review URL: http://codereview.chromium.org/660243

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4002 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/660379

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=whesse@chromium.org

Review URL: http://codereview.chromium.org/660377

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Revert change to EquivalentTime in date.js. The checks that I've removed in the last changed were essential after all.

Review URL: http://codereview.chromium.org/660375

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3999 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Add syntax checker for side-effect-free expressions to AstOptimizer in rewriter.cc.  Add bit fields for syntax checker results to Expression in ast.h.
Review URL: http://codereview.chromium.org/660372

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3998 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/661366

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3997 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/661368

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3996 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/661245

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3995 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

  Now we fill hashtables 75% before expanding.
  
Review URL: http://codereview.chromium.org/660373

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3994 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

The reverts r3939 as it turned out not be the root cause for the regression http://crbug.com/36604.
Review URL: http://codereview.chromium.org/661365

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3993 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Fix bug in fast code generator on ARM (can't use ip as scratch
in RecordWrite).
Activate normal-sized compilation cache on Android.
This is a port of 3938 from the partial snapshots branch.
Review URL: http://codereview.chromium.org/652227

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3992 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is a basic implementation bit vector containing an fixed 
arbitrary number of bits.

Review URL: http://codereview.chromium.org/660321

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3991 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Thus, now there is a "generic" SplayTree and its Zone-bound
specialization ZoneSplayTree.

This is needed for my reimplementation of profiler tree generation in
C++. As generation is performed in a separate thread, Zone can't be
used, because it intentionally not thread-safe.

Review URL: http://codereview.chromium.org/660280

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3990 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/660257

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3989 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is a subset of a CL reviewed earlier(http://codereview.chromium.org/551093).
The register usage optimisation part has been reviewed and submitted separately.
Two fast cases supported: HeapNumber operands and String operands for ADD.


Review URL: http://codereview.chromium.org/553117

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3988 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/660245

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3987 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

 - when logging 'open-tag' / 'close-tag' events, don't depend on
   FLAG_log (as it may be not enabled, e.g. in Chromium);

 - PauseProfiler / ResumeProfiler were supposing that they
   use 'is_logging_' var exclusively, thus preventing any
   other logging that may be turned on for diagnostic purposes.

Review URL: http://codereview.chromium.org/661246

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3986 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

it from the old heuristic (disabled if the new notications are 
used) and make sure to not force a GC if one has already happened
after V8 received the last context disposal notification.
Review URL: http://codereview.chromium.org/660267

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/660256

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This lands http://codereview.chromium.org/660244.

Patch by Alexandre Rames from Sigma Designs Inc.
Review URL: http://codereview.chromium.org/661268

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3982 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

in external code so it's visible when running with --trace-gc.

Landed on behalf of James Robinson (jamesr@chromium.org).

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3981 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This speeds up string,charAt(n) and string[n].

Review URL: http://codereview.chromium.org/660184

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3980 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

foo = a.length = 7

BUG=crbug.com/36854

Review URL: http://codereview.chromium.org/660174

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3979 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/660178

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3978 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/661105

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3977 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

- Renamed TryFlattenIfNotFlat to TryFlatten.

Review URL: http://codereview.chromium.org/661181

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3976 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Move a constructor to the platform-independent -inl.h file.

Review URL: http://codereview.chromium.org/660175

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3975 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Moved initialization of xmm3 making sure it is initialized on all paths in GeneratePow - solves the sputnik failure on mac.

Review URL: http://codereview.chromium.org/661177

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3973 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3972 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

contexts have been disposed. 
Review URL: http://codereview.chromium.org/661173

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3971 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

  This reduces the number of mark sweep operations.

Review URL: http://codereview.chromium.org/661175

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/660172

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3966 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

same method as the old powi version in runtime.cc and also checks if
the exponent is 0.5 or -0.5 in which case we calculate the square root or 
reciprocal value of the square root.


Review URL: http://codereview.chromium.org/660072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3964 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Introducing a virtual-frame-inl.h file containing some platform-independent
virtual frame function which are small enough to be inlined.

Removed unnecessary #include of virtual-frame.h from register-allocator-inl.h
and added the necessary explicit includes in a number of files.

Review URL: http://codereview.chromium.org/660104

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3962 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

fails on the partial snapshots branch.
Review URL: http://codereview.chromium.org/660169

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3961 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

traces produces with --trace-gc.
Review URL: http://codereview.chromium.org/661170

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3960 ce2b1a6d-e550-0410-aec6-3dcde31c8c00