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Author SHA1 Message Date
verwaest@chromium.org
66b9909328 MIPS: Support slow-mode prototypes for load and call ICs. 
Port r13571 (c37a2f5).

Original commit message:
Support slow-mode prototypes for load and call ICs.

This changes LoadNonExistent to handle negative lookups as well.

BUG=

Review URL: https://chromiumcodereview.appspot.com/12089098
Patch from Paul Lind <plind44@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13576 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-01 10:35:21 +00:00
mmassi@chromium.org
3b8a61dcf3 Base iDef update code. 
Review URL: https://codereview.chromium.org/12079042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13575 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-01 10:16:16 +00:00
mstarzinger@chromium.org
bc16616911 Prepare push to trunk. Now working on version 3.16.13. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12084091

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13572 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-01 08:54:38 +00:00
verwaest@chromium.org
b1e5157e7b Support slow-mode prototypes for load and call ICs. 
This changes LoadNonExistent to handle negative lookups as well.

Review URL: https://chromiumcodereview.appspot.com/12092043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13571 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-31 16:18:18 +00:00
jkummerow@chromium.org
1c1fdc7da2 Better fix for MemoryChunk::owner(). 
Pointer arithmetic such as "owner_ - kFailureTag" is undefined behaviour
unless owner_ points to a valid object.

This allowed Clang to assume the subtraction would never be NULL,
causing problems in the caller (see https://codereview.chromium.org/12090072/).

To fix this, we should cast owner_ to intptr_t before doing the
arithmetic.

Review URL: https://codereview.chromium.org/12096089
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13570 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-31 15:36:24 +00:00
hpayer@chromium.org
7fe9f3b05c Added parallel marking threads. 
BUG=

Review URL: https://codereview.chromium.org/12047044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-31 14:23:36 +00:00
mstarzinger@chromium.org
07bab08378 Slightly bump memory test limit for ia32 no-snapshot. 
R=verwaest@chromium.org
TEST=cctest/test-mark-compact/BootUpMemoryUse

Review URL: https://codereview.chromium.org/12091088

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13568 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-31 13:26:55 +00:00
danno@chromium.org
66dbac2b88 MIPS: Fix gbemu performance regression. 
Port r13557 (aa3ba8a)

BUG=

Review URL: https://codereview.chromium.org/12091083
Patch from Paul Lind <plind44@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13567 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-31 12:57:05 +00:00
verwaest@chromium.org
672056ac88 Only mark the descriptor that is valid for the map in question. If this map 
transitioned from a map with a different descriptor array (or has no back
pointer), mark all valid descriptors from the start.

This fixes the following memory leak: Map A shares a descriptor array
with map B. Map B adds constant function c that in its scope holds on to
an instance of B. If the descriptor array of A would keep all the shared
descriptors alive, including c, this keeps alive both A and c
indefinitely.

This CL also fixes a bug in descriptor array trimming. When trimming
descriptor arrays we need to trim off the slack as well (thus the entire
storage); and since we are trimming a descriptor array, we need to trim
* kDescriptorSize.

Review URL: https://chromiumcodereview.appspot.com/12084066

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13566 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-31 10:50:42 +00:00
adamk@chromium.org
c001d928df Object.observe: don't unnecessarily emit oldValue for reconfigurations of data properties 
When a data property has its attributes changed but its value remains the same,
don't emit an oldValue. This makes the API more consistent by only emitting
oldValue when the value of a property has actually changed (or been removed,
in the case of a reconfiguration as an accessor property or a deletion).

Review URL: https://codereview.chromium.org/11820004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13565 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 21:07:28 +00:00
jkummerow@chromium.org
ddc175f244 Work around a bug in Clang that optimizes away a NULL check 
Review URL: https://codereview.chromium.org/12090072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13562 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 17:35:29 +00:00
danno@chromium.org
46bc919b47 MIPS: Fix Mac problem with stubs initialization 
Port r13542 (d3217e18)

BUG=
TEST=

Review URL: https://codereview.chromium.org/12091042
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 16:12:04 +00:00
danno@chromium.org
c9be48a2b7 MIPS: Add StubFailureTrampolineFrames 
Port r13533 (2f339757)

Original commit message:
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.

BUG=
TEST=

Review URL: https://codereview.chromium.org/12087053
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13560 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 16:09:31 +00:00
hpayer@chromium.org
ba8a1dca66 Initialize sweeper thread array with NULL. 
BUG=

Review URL: https://codereview.chromium.org/12079076

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13559 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-30 15:50:09 +00:00
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