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Author SHA1 Message Date
verwaest@chromium.org
a74d30f0df MIPS: Only fill in holes if storing the number to the double array has succeeded. 
Port r13067 (c822cffa)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/11428068
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13085 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-29 08:40:39 +00:00
verwaest@chromium.org
d84ebd3940 MIPS: Ensure we do not clobber the register holding the elements backing store. 
Port r13061 (83bb6fcc)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/11316235
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-29 08:39:44 +00:00
verwaest@chromium.org
7ceeb471f7 MIPS: Ensure double arrays are filled with holes when extended from variations of empty arrays. 
Port r13056 (9b2c1725)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/11411253
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13083 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-29 08:37:41 +00:00
verwaest@chromium.org
7553f0d68e CopyPackedSmiToDoubleElements should fill the FixedDoubleArray with holes 
BUG=v8:2433

Review URL: https://chromiumcodereview.appspot.com/11280223
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13082 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-29 08:34:19 +00:00
svenpanne@chromium.org
5a4e0f1c79 Simplify and fix code aging. 
Making the code size predictable is hard, and to make things even more
complicated, the start of a function can contain various stuff like calls to a
profiling hook, receiver adjustment or dynamic frame alignment. Instead of
tackling all these problems separately, we now simply record the offset where
patching should happen later in the Code object itself.

Review URL: https://codereview.chromium.org/11316218

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13081 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-29 07:38:00 +00:00
mstarzinger@chromium.org
50dcf96e63 Remove bogus assertion from idle notification. 
Callbacks that run after garbage collection might fire a context dispose
notification and hence increse the counter before we actually reach this
position.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/11280214

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13080 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 17:56:17 +00:00
mstarzinger@chromium.org
32cf38b81c Improve debug printing of non-strict arguments object. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/11316219

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13079 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 15:11:38 +00:00
yangguo@chromium.org
432be2c8fd Also time external callbacks from generated code. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11411224

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13078 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 15:11:21 +00:00
vegorov@chromium.org
18d987e505 Relax restrictions on CONSTANT_FUNCTION descriptors in TransformPropertiesToFastFor. 
Since r10174 they are not required to be in new space.

R=danno@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11418181

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13077 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 14:02:30 +00:00
yangguo@chromium.org
028f85a244 Include more information in --prof log. 
Main changes:
- include timestamps in profile ticks
- include code kind in code create events
- time execution in external code
- changed plot-timer-events.js to show the code kind being executed

R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11428025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13074 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 11:01:10 +00:00
hpayer@chromium.org
5a6c1e5109 Fixed pointer arithmetic in write barrier for large objects when marking progress bar is used. 
BUG=

Review URL: https://codereview.chromium.org/11421123

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13073 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 10:53:39 +00:00
hpayer@chromium.org
c772d649cf Allow incremental marking when expose_gc is turned on. 
BUG=

Review URL: https://codereview.chromium.org/11299154

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13072 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 08:43:10 +00:00
verwaest@chromium.org
09b1574baa Make ElementsAccessors more tolerant of varying backing store types 
This avoids bogus calls to Fixed*Array::cast() when FastElements-backed objects are empty (and thus backed by empty_fixed_array).

Review URL: https://chromiumcodereview.appspot.com/11299190
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13071 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 08:41:45 +00:00
verwaest@chromium.org
e4be39edef Properly handle-ify method calls to map() and GetLocalElementAccessorPair() 
These are likely causing some of the flaky crashes in Object.observe code. I've reorganized some of the code to minimize the number of necessary calls to map() (by saving the result of map()->is_observed() in a local bool).

Also move down an unnecessarily early call to Uint32ToString when sending an element deletion notification.

Review URL: https://chromiumcodereview.appspot.com/11316202

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13070 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-28 08:35:46 +00:00
mstarzinger@chromium.org
d8922dd6f4 Move assertion about stopped marking up (again). 
Weak persistent handle callbacks might trigger nested GCs that in turn
can cause marking to be restarted. The assertion needs to hold before
firing callbacks only.

R=ulan@chromium.org
TEST=cctest/test-api --stress-compaction

Review URL: https://codereview.chromium.org/11413188

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13069 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-27 17:03:12 +00:00
mstarzinger@chromium.org
b2a7b26e82 Disable stress for some unit test. 
Some unit tests specifically test scavenges and forcing them to do
global GCs instead makes no sense. The GC stress builder triggers this.

R=yangguo@chromium.org
TEST=cctest/test-api --stress-compaction

Review URL: https://codereview.chromium.org/11421098

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13068 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-27 15:30:12 +00:00
verwaest@chromium.org
5ef423b6d7 Only fill in holes if storing the number to the double array has succeeded. 
Review URL: https://chromiumcodereview.appspot.com/11299200

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13067 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-27 13:27:15 +00:00
mstarzinger@chromium.org
3b291a0f48 Fix incremental marking to be off during heap snapshots. 
The heap snapshot generator uses the UnreachableObjectsFilter which in
turn messes with marking bits. This requires incremental marking to be
turned off while the snapshot is being generated.

R=verwaest@chromium.org
TEST=cctest/test-heap-profiler --stress-compaction

Review URL: https://codereview.chromium.org/11413183

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13066 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-27 13:18:55 +00:00
mstarzinger@chromium.org
77dcc8dac5 Make unit tests that fill new-space work under stress. 
This makes sure that unit tests that try to fill up the new-space work
on the GC stress buildbots as well.

R=yangguo@chromium.org
TEST=cctest/test-heap --gc-interval=500 --stress-compaction

Review URL: https://codereview.chromium.org/11416200

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13065 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-27 12:52:51 +00:00
verwaest@chromium.org
1b0e373f09 Avoid double initialization of arrays. 
Review URL: https://chromiumcodereview.appspot.com/11413179

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13064 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-27 12:01:14 +00:00
hpayer@chromium.org
865828f37e Forward white to grey transition only if slot is before the progress bar of a given object. 
BUG=

Review URL: https://codereview.chromium.org/11415070

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13063 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 16:16:49 +00:00
mvstanton@chromium.org
ec49191302 MIPS: Fix MIPS port of r13032 (25d0edd7). 
This commit fixes a small typo in r13032 (25d0edd7).

BUG=
TEST=

Review URL: https://codereview.chromium.org/11348205

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13062 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 16:14:49 +00:00
verwaest@chromium.org
beeb751278 Ensure we do not clobber the register holding the elements backing store. 
Review URL: https://chromiumcodereview.appspot.com/11316168

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13061 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 15:58:27 +00:00
hpayer@chromium.org
395db15950 Remove eager sweeping for lazy swept spaces. Try to find in SlowAllocateRaw a bounded number of times a big enough memory slot. 
BUG=v8:2194

Review URL: https://codereview.chromium.org/11420036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13058 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 14:50:20 +00:00
danno@chromium.org
569b9c4cf0 Prepare push to trunk. Now working on version 3.15.7. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11316166

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13057 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 14:49:57 +00:00
verwaest@chromium.org
ebeaad6cb5 Ensure double arrays are filled with holes when extended from variations of empty arrays. 
BUG=162085

Review URL: https://chromiumcodereview.appspot.com/11414155

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13056 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 14:29:21 +00:00
jkummerow@chromium.org
c7b18f3a71 Fix test262 expectations for fast implementation of Math.exp() 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/11418153

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13055 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 13:40:00 +00:00
jkummerow@chromium.org
79563b22c9 Faster implementation of Math.exp() 
Review URL: https://codereview.chromium.org/11418149

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13054 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 13:12:35 +00:00
rossberg@chromium.org
93579d9d3e Make indexed intercepted methods enumerable by default. 
R=ulan@chromium.org
BUG=162606

Review URL: https://codereview.chromium.org/11348222

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13053 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 12:55:47 +00:00
ulan@chromium.org
735d052f4c Remove unused heap debug utils code. 
This functionality is already implemented by PathTracer.

R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11412162

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13052 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 10:23:16 +00:00
yangguo@chromium.org
94476cb89a Also time other API functions calling into javascript. 
And prevent crash when starting chromium without --single-process.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11411144

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13051 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 08:56:59 +00:00
yangguo@chromium.org
3c251ec924 Fix valgrind warnings. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11418138

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13050 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 08:47:48 +00:00
rossberg@chromium.org
5593b956b2 Censor .caller if it is a strict function instead of throwing. 
For details, see:

http://www.mail-archive.com/es-discuss@mozilla.org/msg19322.html
https://bugs.ecmascript.org/show_bug.cgi?id=310

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11417140

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13049 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 15:47:58 +00:00
rossberg@chromium.org
21b7af787f Fix strict mode test case, so that it succeeds for the right reason. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11348196

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13048 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 15:45:03 +00:00
rossberg@chromium.org
085bf78c70 Object.observe: Tests for __define{G,S}etter__. 
R=adamk@chromium.org,rafaelw@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11348193

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13047 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 15:43:54 +00:00
rossberg@chromium.org
1090d8e0dc MIPS: Get rid of static module allocation, do it in code. 
Port r13033 (58c2efbb)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11413146
Patch from palfia <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13046 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 15:39:25 +00:00
ulan@chromium.org
79c10a8c7f Prepare push to trunk. Now working on version 3.15.6. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11308182

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13043 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 14:35:13 +00:00
danno@chromium.org
6db4bc2f4d Force small array literals to have FAST_ELEMENTs 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/11414139

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13042 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 13:23:39 +00:00
yangguo@chromium.org
bebf37799e Fix JSON.stringify for objects with interceptor handlers. 
BUG=161028

Review URL: https://chromiumcodereview.appspot.com/11348209

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13041 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 12:32:24 +00:00
hpayer@chromium.org
bbb6d45088 Reset progress bar of object to 0 when RecordWrites changes object color to grey. 
BUG=v8:2423

Review URL: https://codereview.chromium.org/11308177

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13040 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 12:22:16 +00:00
mmassi@chromium.org
a0582112f8 Revert r13025 and r13026 (they introduced a bug on arm and regressed octane crypto). 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11316151

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13039 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 10:53:03 +00:00
verwaest@chromium.org
2c1ac55213 - Initialize the result array with holes if we concat a double array into an object array, since it may cause a marking step while boxing a double. 
- Ensure we go holey if we are concatting any holey array.

Review URL: https://chromiumcodereview.appspot.com/11413142

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13038 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 16:22:57 +00:00
svenpanne@chromium.org
9de70742a6 PredictableCodeSizeScope checks the expected size now. 
We still have some problems on ARM, so the size check currently
optional. Furthermore, we don't use PredictableCodeSizeScope at all
place where we should do it. Both issues are cleaned up in upcoming
CLs.

Review URL: https://codereview.chromium.org/11348195

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13037 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 14:59:52 +00:00
yangguo@chromium.org
72db2287c3 Add parallel recompilation time to histogram and plot execution pause times. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11412125

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13036 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 13:04:11 +00:00
rossberg@chromium.org
07481867a1 Object.observe: More tests for accessor reconfiguration. 
R=adamk@chromium.org,rafaelw@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11280118

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 10:31:42 +00:00
svenpanne@chromium.org
51f5a8e7c7 Moved buffer handling to AssemblerBase. 
This removed a lot of copy-n-paste code and is very handy for some upcoming
changes (regarding predictable code size).

Review URL: https://codereview.chromium.org/11416133

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13034 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 10:28:29 +00:00
rossberg@chromium.org
ce05280bfc Get rid of static module allocation, do it in code. 
Modules now have their own local scope, represented by their own context.
Module instance objects have an accessor for every export that forwards
access to the respective slot from the module's context. (Exports that are
modules themselves, however, are simple data properties.)

All modules have a _hosting_ scope/context, which (currently) is the
(innermost) enclosing global scope. To deal with recursion, nested modules
are hosted by the same scope as global ones.

For every (global or nested) module literal, the hosting context has an
internal slot that points directly to the respective module context. This
enables quick access to (statically resolved) module members by 2-dimensional
access through the hosting context. For example,

  module A {
    let x;
    module B { let y; }
  }
  module C { let z; }

allocates contexts as follows:

[header| .A | .B | .C | A | C ]  (global)
          |    |    |
          |    |    +-- [header| z ]  (module)
          |    |
          |    +------- [header| y ]  (module)
          |
          +------------ [header| x | B ]  (module)

Here, .A, .B, .C are the internal slots pointing to the hosted module
contexts, whereas A, B, C hold the actual instance objects (note that every
module context also points to the respective instance object through its
extension slot in the header).

To deal with arbitrary recursion and aliases between modules,
they are created and initialized in several stages. Each stage applies to
all modules in the hosting global scope, including nested ones.

1. Allocate: for each module _literal_, allocate the module contexts and
   respective instance object and wire them up. This happens in the
   PushModuleContext runtime function, as generated by AllocateModules
   (invoked by VisitDeclarations in the hosting scope).

2. Bind: for each module _declaration_ (i.e. literals as well as aliases),
   assign the respective instance object to respective local variables. This
   happens in VisitModuleDeclaration, and uses the instance objects created
   in the previous stage.
   For each module _literal_, this phase also constructs a module descriptor
   for the next stage. This happens in VisitModuleLiteral.

3. Populate: invoke the DeclareModules runtime function to populate each
   _instance_ object with accessors for it exports. This is generated by
   DeclareModules (invoked by VisitDeclarations in the hosting scope again),
   and uses the descriptors generated in the previous stage.

4. Initialize: execute the module bodies (and other code) in sequence. This
   happens by the separate statements generated for module bodies. To reenter
   the module scopes properly, the parser inserted ModuleStatements.

R=mstarzinger@chromium.org,svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11093074

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13033 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 10:25:22 +00:00
mvstanton@chromium.org
80819f618d Add dehoisting to the string printout of hydrogen and lithium instructions. 
This is nice when looking at hydrogen graphs, to see the real key offset.

R=mmassi@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11348176

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13032 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 10:19:05 +00:00
yangguo@chromium.org
c412264c4a Fix counters in d8. 
R=svenpanne@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11416135

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13031 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 08:35:21 +00:00
svenpanne@chromium.org
f275b36299 Reduced TLS accesses even further. 
Thread the Isolate through FindCodeInCache, FindCodeInSpecialCache and
SetProperty. Reduced the number of TLS accesses while running the Octane
benchmark down to 19% compared to the beginning of the cleanups.

Review URL: https://codereview.chromium.org/11411033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 07:58:59 +00:00