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Author SHA1 Message Date
verwaest@chromium.org
e7420f65bc Also allow the empty object map to keep transitions. 
With the old implementation, due to the map-check being inadequate, such
transitions were already added for cross-context field stores. It is not
necessary anymore to not store transitions, since we properly clear
non-live transitions. Globally enabling this feature will help find more
bugs.

BUG=v8:2518
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12092063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13558 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 15:07:58 +00:00
danno@chromium.org
f7bae62cd3 Fix gbemu preformance regression 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/12084063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13557 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 14:25:34 +00:00
hpayer@chromium.org
0068ee59ce Fix build bot. Force instantiation of templatized SweepConservatively method. 
BUG=

Review URL: https://codereview.chromium.org/12079075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13554 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 13:13:04 +00:00
hpayer@chromium.org
117cedbbf2 Fixes Windows build bots. 
BUG=

Review URL: https://codereview.chromium.org/12094057

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13553 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 12:47:41 +00:00
hpayer@chromium.org
44caabb1cd Parallel and concurrent sweeping. 
Sweep old pointer space and old data space concurrently to the main mutator thread and in parallel.

BUG=

Review URL: https://codereview.chromium.org/11782028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13552 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 12:19:32 +00:00
hpayer@chromium.org
c027397c9d Precisely measure duration of mark and sweep phases. Changed print_cumulative_gc_stat flag to only print GC statistics at end of program. 
BUG=

Review URL: https://codereview.chromium.org/11595006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13551 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 10:51:13 +00:00
ulan@chromium.org
3b24f64e3d ARM Deoptimizer: fix TODO from r13484 
This lets the Deoptimizer pointer stay in r0, saving a mov and
simplifying the code a little.

BUG=none
TEST=Tested with test/mjsunit/math-floor-of-div.js, this fails reliably if OSR is broken

Review URL: https://chromiumcodereview.appspot.com/12082046
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13550 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 10:24:00 +00:00
mstarzinger@chromium.org
a6c4edaf8b Update grokdump to reflect current heap layout. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/12094038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13549 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 10:07:47 +00:00
ulan@chromium.org
3a23c2f7df Make DwVfpRegister::AllocationIndexToString use VFPRegister::Name 
This also fixes a bug caused by a missing comma after "d13" in
the 'names' array in AllocationIndexToString.

BUG=none

Review URL: https://chromiumcodereview.appspot.com/12082044
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13548 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 09:55:49 +00:00
ulan@chromium.org
d16c2d6093 ARM: Rename Simulator::vfp_register to vfp_registers_ 
This matches Simulator::registers_ and is in line with the style guide.

BUG=none

Review URL: https://chromiumcodereview.appspot.com/12096036
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 09:50:25 +00:00
mstarzinger@chromium.org
2a5d46dd1e Prepare push to trunk. Now working on version 3.16.12. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12087081

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13544 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 09:35:15 +00:00
mmassi@chromium.org
89c4153581 Foundation for the use of informative definitions in Crankshaft. 
Review URL: https://codereview.chromium.org/12090021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13543 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 15:46:34 +00:00
danno@chromium.org
80157b61a8 Fix Mac problem with stubs initialization 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12096040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13542 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 15:28:05 +00:00
yangguo@chromium.org
c5883d442e Add option to limit tick processor to a time range. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12077043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13541 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 14:41:02 +00:00
mstarzinger@chromium.org
9cec21e60c profiler: log solib addresses unconditionally 
Make --prof_lazy log the addresses of shared libraries. Without those addresses,
the output of the tick processor is not very useful for node.js applications.

Address logging was disabled for --prof-lazy in r3154 for reasons that no longer
apply: the profiler is started on demand and hence looking up the addresses is
deferred until it's actually necessary.

Review URL: https://codereview.chromium.org/11309007
Patch from Ben Noordhuis <info@bnoordhuis.nl>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13540 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 14:39:09 +00:00
mstarzinger@chromium.org
366bf736d6 Fix test harness to correctly split extra flags. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12094032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13539 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 13:27:23 +00:00
svenpanne@chromium.org
3d3c2711eb Fixed non-snapshot builds. 
TBR=danno@chromium.org

Review URL: https://codereview.chromium.org/12093041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13538 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 12:50:42 +00:00
verwaest@chromium.org
19e1539481 Tag previously GENERIC stubs that potentially IC_Miss as MONOMORPHIC. 
Review URL: https://chromiumcodereview.appspot.com/12079024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13537 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 12:00:56 +00:00
jkummerow@chromium.org
6948fece08 Unify the shebang line of python scripts 
Review URL: https://codereview.chromium.org/12095012
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13536 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 10:40:43 +00:00
svenpanne@chromium.org
a325d3e60d Unbreak Win64 build. 
TBR=danno@chromium.org

Review URL: https://codereview.chromium.org/12095033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13535 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 10:29:37 +00:00
svenpanne@chromium.org
8e51c4c97b Unbreak non-SSE2 ia32 platforms. 
Improved register usage a bit on the way.

Review URL: https://codereview.chromium.org/12082043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13534 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 10:18:15 +00:00
danno@chromium.org
a6bc16b6f3 Add StubFailureTrampolineFrames 
In preparation of supporting stubs that deopt and then need to push their
register-based parameters to an arguments area on the stack that gets properly
collected, add StubFailureTrampolineFrames to hold those parameters.

R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12052053

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13533 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 09:12:20 +00:00
danno@chromium.org
c31454ac37 Use MemoryChunk-based allocation for deoptimization entry code 
This is done by first committing the deoptimization entry code with a minimal
area size (OS::CommitPageSize) and later using CommitArea to adjust the size.

Committed: http://code.google.com/p/v8/source/detail?r=13494

Review URL: https://chromiumcodereview.appspot.com/11566011
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13532 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-29 09:09:55 +00:00
svenpanne@chromium.org
905548d2f6 Improved printing of jump tables. 
Review URL: https://codereview.chromium.org/12093016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13531 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 14:50:47 +00:00
verwaest@chromium.org
c643d9c112 Only update POLYMORPHIC stubs using other POLYMORPHIC or GENERIC stubs. 
Review URL: https://chromiumcodereview.appspot.com/12088021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13530 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 14:41:55 +00:00
yangguo@chromium.org
048b86d697 Log event start and event end separately when using --log-timer-events. 
R=haraken@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12040075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13529 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:55:40 +00:00
verwaest@chromium.org
6953861e2f MIPS: Replace store array length builtin with codestub. 
Port r13506 (0d666576)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12077009
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13528 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:37:32 +00:00
svenpanne@chromium.org
8a86ce7ef6 Do not duplicate the compilation pipeline for stub compilation. 
The previous duplication is quite bad from an architectural point of
view. Furthermore, it messes up the output of --hydrogen-stats.

As remarked in a comment, there is still more unification work to do, but at
least this CL is a step in the right direction...

Review URL: https://codereview.chromium.org/12091016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13527 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:24:41 +00:00
verwaest@chromium.org
c8636a2809 Do not try to collect the map if the monomorphic IC stub has no map. 
This is necessary for monomorphic stubs that rely on instance types,
such as ArrayLength, StringLength and FunctionPrototype.

BUG=chromium:172345

Review URL: https://chromiumcodereview.appspot.com/12082023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13526 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 13:19:53 +00:00
ulan@chromium.org
fe0582c262 Put making embedded maps in optimized code weak behind a flag. 
Disable the flag by default because of Chrome crashes.

BUG=172488,172489
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12091018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13523 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-28 10:25:38 +00:00
mstarzinger@chromium.org
fe8e97798e Allow inlining of multiple closures from shared function. 
This allows Crankshaft to allow inlining of multiple different closures
that were all derived from the same shared function info. This pattern
appears when libraries provide generic closures that are used over and
over again at different call-sites.

R=jkummerow@chromium.org
TEST=mjsunit/compiler/inline-closures

Review URL: https://codereview.chromium.org/12071002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13522 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 16:55:00 +00:00
yangguo@chromium.org
5681ef6fee Actually increment queue length for parallel recompile queue. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12039088

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13521 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 15:54:19 +00:00
svenpanne@chromium.org
47d2fa5c51 Slightly improved Hydrogen stats output for long-running compilations. 
Replaced a scary pointer comparison by strcmp on the way.

Review URL: https://codereview.chromium.org/12035101

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13510 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 13:55:02 +00:00
mvstanton@chromium.org
fa06b21e2b Prepare push to trunk. Now working on version 3.16.11. 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12049086

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13507 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 13:24:13 +00:00
verwaest@chromium.org
09d6eccaff Replace store array length builtin with codestub. 
Also includes some other minor cleanup to make Keyed related IC code
more uniform.

Review URL: https://chromiumcodereview.appspot.com/11896091

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13506 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 11:55:29 +00:00
svenpanne@chromium.org
b5cb682be6 Avoid excessive memory usage during redundant phi elimination. 
Basically, the work list for the fixed point iteration has been removed.

BUG=v8:2510

Review URL: https://codereview.chromium.org/12052075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13505 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 11:51:48 +00:00
yangguo@chromium.org
24ec13cbd2 Fix additional spec violations wrt RegExp.lastIndex. 
R=svenpanne@chromium.org
BUG=v8:2437

Review URL: https://chromiumcodereview.appspot.com/12033099

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13504 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 10:53:26 +00:00
verwaest@chromium.org
2d566c719a Merge UpdateStoreCaches into a single function dispatching on ComputeStoreMonorphic and UpdateMegamorphicCache. 
Review URL: https://chromiumcodereview.appspot.com/12057003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13503 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 10:34:17 +00:00
svenpanne@chromium.org
a7e88a3435 Unbreak build (offsetof only works for POD types) 
TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/12040094

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13502 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 08:54:11 +00:00
svenpanne@chromium.org
52d10a68cb Add Isolate parameter to Persistent class. 
BUG=v8:2487

Review URL: https://codereview.chromium.org/12033011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 08:31:46 +00:00
mstarzinger@chromium.org
44ffa0dcd3 Allow monomorphic loads when static type is known. 
This allows Crankshaft to generate monomorphic loads when the receiver
type is statically known even though the load site has polymorphic type
feedback. This applies to inlined constructor calls and literals.

R=jkummerow@chromium.org
TEST=mjsunit/compiler/property-static

Review URL: https://codereview.chromium.org/12051058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13500 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 17:54:30 +00:00
yangguo@chromium.org
04c8093fe1 Prepare push to trunk. Now working on version 3.16.10. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12047084

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13497 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 16:29:54 +00:00
mstarzinger@chromium.org
c8cf5d90aa Implement VisitHandlesInNewSpaceWithClassIds() 
BUG=
TEST=test-api.cc::PersistentHandleInNewSpaceVisitor

Review URL: https://codereview.chromium.org/11365131
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:53:16 +00:00
danno@chromium.org
63ec79a4a4 Revert r13494: "Use MemoryChunk-based allocation for deoptimization entry code" 
This patch seems to cause crashes on Windows.

TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12049069

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:48:07 +00:00
danno@chromium.org
de17ce7701 Use MemoryChunk-based allocation for deoptimization entry code 
This is done by first committing the deoptimization entry code with a minimal
area size (OS::CommitPageSize) and later using CommitArea to adjust the size.

Review URL: https://codereview.chromium.org/11566011
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13494 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:14:33 +00:00
danno@chromium.org
3c52343738 Fix bug in edge case in populating PointerMaps 
If a live range was split immediately before an instruction that required a
safe-point pointer map, it was possible for the safe-point to incorrectly use the
register/stack slot information of the preceeding live range rather than the one
that actually covers the safe-point.

R=mstarzinger@chromium.org,vegorov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12040052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13493 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:05:38 +00:00
verwaest@chromium.org
dd92c41aa1 Merge UpdateLoadCaches into a single function dispatching on 
ComputeLoadMonorphic and UpdateMegamorphicCache.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13492 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 13:02:45 +00:00
mstarzinger@chromium.org
ef4d9d1245 Fix map check removal issue in r13488. 
The removal of HCheckMaps is invalid when the instruction has a virtual
usage, which can happen e.g. for HLoadElements or HJSArrayLength.

R=jkummerow@chromium.org
TEST=webkit:fast/js/regress/Float32Array-matrix-mult.html

Review URL: https://codereview.chromium.org/12033073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13491 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 12:35:56 +00:00
ulan@chromium.org
e6224d275f Make embedded maps in optimized code weak. 
Each map has a weak array of dependent codes, where the map tracks all the optimized codes that embed it.
Old space GC either clears the dead dependent codes from the array if the corresponding map is alive or deoptimizes the live dependent codes if the map is dead.

BUG=v8:2073
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11575007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 11:55:05 +00:00
hpayer@chromium.org
c500efe14d Force inlining of object visiting functions. 
BUG=

Review URL: https://codereview.chromium.org/12049033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13489 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 09:40:57 +00:00