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13143 Commits

Author SHA1 Message Date
fschneider@google.com bece5d05c8 Fix a bug in SSA renaming introduced when using the RemoveFromGraph helper for removing instructions. 
The helper function RemoveFromGraph resets previous and next instruction pointers to NULL
when deleting an instruction.

I changed it to return the successor of the removed instruction so that the function is
more convenient to use while iterating over the list of instructions.
Review URL: https://chromiumcodereview.appspot.com//10692072

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9332 260f80e4-7a28-3924-810f-c04153c831b5
 2012-07-03 08:35:00 +00:00
iposva@google.com 65d96de4e8 - Separate store buffer data in the isolate into the StoreBufferBlock and 
the actual StoreBuffer.
- Add a HashSet class to use for the StoreBuffer data.
- Fix allocation sites for definite old objects.
- Remove obsolete leaf runtime entry StoreBuffer.
Review URL: https://chromiumcodereview.appspot.com//10702067

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9323 260f80e4-7a28-3924-810f-c04153c831b5
 2012-07-03 00:10:23 +00:00
regis@google.com d95cbc8d7f Use VM type cast and save handles. 
Review URL: https://chromiumcodereview.appspot.com//10693071

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9317 260f80e4-7a28-3924-810f-c04153c831b5
 2012-07-02 21:42:53 +00:00
fschneider@google.com eba7136e7b Make IL instructions a doubly-linked list within basic blocks. 
In order to be able to efficiently iterate backwards over instructions
and removing or replacing instructions in the graph we want them to
be a double-linked list inside basic blocks. The list has the following

1. Block entry instructions do not have a previous instruction.
2. The last instruction in a block may or may not have a next instruction:
   - Branches have a NULL-successor.
   - Normal block exits have a block entry instructions as successor.

This CL also makes the accessor for previous and next instruction in this
list non-virtual. This avoidis the current code duplication there.
Review URL: https://chromiumcodereview.appspot.com//10665022

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9297 260f80e4-7a28-3924-810f-c04153c831b5
 2012-07-02 16:08:58 +00:00
fschneider@google.com 31dfb3d8da Fix bailing out of SSA compilation and enable --use-ssa on x64 by default. 
We need to re-parse the function when retrying compilation after bailing out
because of the side-effects to the AST (break-, continue-labels).

To improve test coverage I'm enbabling building of SSA on x64 now.
Review URL: https://chromiumcodereview.appspot.com//10694053

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9291 260f80e4-7a28-3924-810f-c04153c831b5
 2012-07-02 15:41:37 +00:00
ager@google.com 52230ca22b Support posting of external data into dart as external uint8 arrays through the Dart API. 
The native ports use the snapshot reader to create the dart objects. Added support for reading external arrays from snapshots but no support for writing them. The only way an external array is written to a snapshot is through the api message writer.

This allows dart:io to avoid one copy of data read from files and sockets. This change only contains one use of the new API.

R=asiva@google.com,iposva@google.com
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com//10698011

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9281 260f80e4-7a28-3924-810f-c04153c831b5
 2012-07-02 07:22:32 +00:00
hausner@google.com 11d2c19fc4 Make sure breakpoints are enabled 
With my previous checkin it became possible that internal
code breakpoints became disabled. Now make sure that when
one of these breakpoints is re-used, it becomes enabled.
Review URL: https://chromiumcodereview.appspot.com//10690053

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9265 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-29 20:39:48 +00:00
cshapiro@google.com d0ce05d8b7 Enhance raw object validation check and enable checks in release builds. 
BUG=3866

Review URL: https://chromiumcodereview.appspot.com//10693044

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9262 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-29 20:23:26 +00:00
hausner@google.com c4280b8b89 Fix Dart_RemoveBreakpoint 
The debugger code assumed that breakpoints can only be removed
while the debugger is paused. That is not true. An embedder can
remove breakpoints while the isolate is idle and running any
Dart code.

Fix for issue 3781 (http://dartbug.com/3781)
Review URL: https://chromiumcodereview.appspot.com//10698051

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9258 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-29 18:24:35 +00:00
fschneider@google.com da315f478e Revert r9253 because of dartium test failures 
TBR=vegorov
Review URL: https://chromiumcodereview.appspot.com//10693048

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9256 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-29 17:27:12 +00:00
fschneider@google.com 6e4bc9fb91 Add a goto instruction to the IL use it to terminate basic blocks. 
Having an explicit control instruction at the end of each
basic block allows to easily remove instructions inside
a block because the last_instruction pointer can not change.
Review URL: https://chromiumcodereview.appspot.com//10700034

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9253 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-29 16:31:37 +00:00
turnidge@google.com a45c6255ba Add Dart_CurrentIsolateData(). 
Review URL: https://chromiumcodereview.appspot.com//10690027

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9228 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-28 21:28:12 +00:00
regis@google.com c0bd7c81dd Introduce a VM type cast to avoid repeating a type test and spare a handle. 
Review URL: https://chromiumcodereview.appspot.com//10713008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9226 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-28 21:12:06 +00:00
turnidge@google.com ac6dc9ecb5 Increase the iteration count for the UseDartApi benchmark. 
Review URL: https://chromiumcodereview.appspot.com//10693034

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9223 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-28 21:04:58 +00:00
turnidge@google.com 3f940819a7 Add a callback to inform embedders when an isolate is being shut down. 
Review URL: https://chromiumcodereview.appspot.com//10450016

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9211 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-28 18:15:17 +00:00
turnidge@google.com 376000a1dd Add a unit test which exercises using Dart_LoadSource to load a "late" 
source file.  Seems to work...
Review URL: https://chromiumcodereview.appspot.com//10659015

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9210 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-28 17:56:26 +00:00
iposva@google.com c26489d34d - Skip old objects early while scavenging. 
Review URL: https://chromiumcodereview.appspot.com//10696022

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9197 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-28 05:00:49 +00:00
hausner@google.com 7a10c09bfb Include variable names with _ 
Include local variables that begin with _.
Review URL: https://chromiumcodereview.appspot.com//10697011

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9189 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-27 21:36:42 +00:00
regis@google.com 1036a3888f Consider upper bounds of type parameters in type checks. 
Fix pointer visiting in TypeParameter.
Make TypeParameter::index() non-virtual.
Review URL: https://chromiumcodereview.appspot.com//10696013

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9188 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-27 20:08:30 +00:00
hausner@google.com 86b00700aa Add a platform-independent max uword value. 
Review URL: https://chromiumcodereview.appspot.com//10695009

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9181 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-27 17:24:41 +00:00
hausner@google.com 0300423892 Write once debug everywhere 
Review URL: https://chromiumcodereview.appspot.com//10696009

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9177 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-27 16:25:11 +00:00
hausner@google.com 3aedbb74e8 Better breakpoint placement 
Instead of using token distance to find the first possible breakpoint
position in a line, use generated code address, so the debugger
breaks before the first call on a source line.

Fix issue 3653 
http://code.google.com/p/dart/issues/detail?id=3318
Review URL: https://chromiumcodereview.appspot.com//10686003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9176 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-27 16:13:49 +00:00
iposva@google.com 541a166410 - Premark vm_isolate objects to avoid having to test for them 
during marking.
Review URL: https://chromiumcodereview.appspot.com//10675010

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9143 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-27 00:08:03 +00:00
regis@google.com 8997078334 Remove old code generator. 
Review URL: https://chromiumcodereview.appspot.com//10665038

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9122 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-26 17:43:44 +00:00
hausner@google.com fbeaabda52 Debugger support to display global variables 
- Add library id to ActivationFrame
- Add debugger function to get all global variables visible in
  a library (including imported variables).
- Add LibraryPrefixIterator
- Fix Dart_GetLibraryImports
Review URL: https://chromiumcodereview.appspot.com//10657048

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9121 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-26 17:32:34 +00:00
vegorov@google.com 30288c500e Fix a bug in liveness analysis code and add more comments. 
R=fschneider@google.com
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com//10657044

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9106 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-26 12:14:02 +00:00
asiva@google.com 9e6f43e6e3 Prepare for writing token streams directly into a snapshot and reading it directly from the snapshot using memmove. 
Review URL: https://chromiumcodereview.appspot.com//10665035

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9098 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-26 00:18:14 +00:00
srdjan@google.com 79cf5eb293 Forgot to save file, missed changed comment. 
Review URL: https://chromiumcodereview.appspot.com//10662034

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9096 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 23:54:05 +00:00
srdjan@google.com a799978f11 Recognize leaf functions: skip stack check and populating the pc slot, store the pc slot lazily in case of deoptimization. 
Review URL: https://chromiumcodereview.appspot.com//10668034

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9095 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 23:50:37 +00:00
iposva@google.com da8c641cc4 - Sort sources in gyp files. 
Review URL: https://chromiumcodereview.appspot.com//10663029

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9091 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 23:05:42 +00:00
regis@google.com 6ac43401e1 Minimize differences between ia32 and x64 sources to facilitate maintenance. 
Review URL: https://chromiumcodereview.appspot.com//10636038

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9089 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 22:25:21 +00:00
srdjan@google.com 7508deeeab Intrinsify fixed and growable array allocation on x64. 
Review URL: https://chromiumcodereview.appspot.com//10657012

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9075 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 18:13:33 +00:00
asiva@google.com f05e3736d8 Fix issue 1968, replace usage of inline 'asm' constructs in 'stack alignment', 'jump to exception handler' and 'jump to error handler' code with calls to appropriate stubs. 
Review URL: https://chromiumcodereview.appspot.com//10664004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9071 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 17:35:20 +00:00
regis@google.com 0532a90a2f Implement type cast in the VM. 
Review URL: https://chromiumcodereview.appspot.com//10659005

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9070 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 17:23:11 +00:00
vegorov@google.com 2f23dc4b60 Simple iterative liveness analysis over SSA. 
R=fschneider@google.com
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com//10666026

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9069 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 17:07:16 +00:00
hausner@google.com 0b403430bf Fix parent function of deeply nested closures 
We got the parent of nested closures wrong if the nesting level
was > 2.

Fix for issue 3412.
Review URL: https://chromiumcodereview.appspot.com//10665009

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9065 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-25 15:43:04 +00:00
iposva@google.com cccf112d1e - Document the store barrier. 
Review URL: https://chromiumcodereview.appspot.com//10658008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9051 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-23 00:17:25 +00:00
iposva@google.com d4bd618e75 - Fix the x64 store-barrier. 
- Allow assembler test drivers to be shared across architectures.
- Add a shared StoreIntoObject assembler test.
Review URL: https://chromiumcodereview.appspot.com//10636017

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9050 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 23:48:51 +00:00
srdjan@google.com 4bb866d2f8 Expand ia32 intrinsic for integer modulo, implement it for x64. Next step will be to emit it directly. 
Review URL: https://chromiumcodereview.appspot.com//10663006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9048 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 23:28:34 +00:00
cshapiro@google.com 18381ac8d5 Log growth policy decisions when verbose gc is enabled. 
This change also rationalizes some use of signed and unsigned types and
corrects the use of time values recorded for analysis.

BUG=3535

Review URL: https://chromiumcodereview.appspot.com//10576004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9045 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 21:17:38 +00:00
srdjan@google.com f7a999dc34 Do not issue Mint/Smi code sequence if we have only Smi/Smi comnbination. 
Review URL: https://chromiumcodereview.appspot.com//10642026

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9044 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 21:07:03 +00:00
asiva@google.com 5cbd276939 Make the parser agnostic to the TokenStream implementation. This is the first step towards compacting the token stream. 
Pull the data stream writer/reader code out of snapshot into a generic file so that it can be reused into the token stream compaction implementation.
Review URL: https://chromiumcodereview.appspot.com//10632009

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9043 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 20:37:01 +00:00
srdjan@google.com 8ee92c41d6 Fixed a typo, one more reason to get rid of StrictCompare vs StrictCompareComp distinction. 
Review URL: https://chromiumcodereview.appspot.com//10634032

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9039 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 18:28:16 +00:00
fschneider@google.com 63d4ad7d5f Add new files and data structures for the new register allocator. 
This CL adds new files to hold the new register allocator and
adds a parallel-move instructions that will be used to insert
moves for register constraints, spills and phi-resolution.

No new functionality added yet.
Review URL: https://chromiumcodereview.appspot.com//10635020

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9027 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 10:59:06 +00:00
iposva@google.com 936e659da1 - Remove extra jumps from store barrier on x64. 
Review URL: https://chromiumcodereview.appspot.com//10641018

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9014 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 07:57:11 +00:00
regis@google.com 2262d6e9e3 Minimize differences between ia32 and x64 sources to facilitate maintenance. 
Review URL: https://chromiumcodereview.appspot.com//10651008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9012 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-22 01:24:36 +00:00
srdjan@google.com 0e445c937e Fix excessive deoptimizations in Meteor: kSHL on two Smi-s can easily overflow, which led to deoptimization. In case of overflow call the IC target directly in case instead of deoptimizing. Necessary only for IA32. 
Review URL: https://chromiumcodereview.appspot.com//10632010

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9009 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-21 23:02:30 +00:00
regis@google.com df25e13d4c Improve inlining of bit_and operation for Mint and Smi in new compilers. 
Review URL: https://chromiumcodereview.appspot.com//10592028

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8998 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-21 19:37:15 +00:00
fschneider@google.com da7d212fef Correctly reset global isolate state after bailout from the flow-graph compiler. 
This CL fixes a bug where the global ic_data_array was not reset when a bailout happened.
Review URL: https://chromiumcodereview.appspot.com//10636004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8997 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-21 18:58:23 +00:00
hausner@google.com 7d00d4b2e6 Do not collect stack trace unnecessarily 
The debugger collected stack traces on each exception throw
even when the debugger client specifies "no pause on exception".
This fixes the asserts that Anton saw in some tests.
Review URL: https://chromiumcodereview.appspot.com//10645003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8996 260f80e4-7a28-3924-810f-c04153c831b5
 2012-06-21 18:48:20 +00:00