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Author SHA1 Message Date
ulan@chromium.org
944f933332 Fix Clang warning about tautological compare. 
BUG=151927

R=hans@chromium.org

Patch from Hans Wennborg <hans@chromium.org>.

Review URL: https://chromiumcodereview.appspot.com/10985043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12621 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 14:42:08 +00:00
vegorov@chromium.org
d6853c3697 Extend grokdump.py with simple BreakPad symbol files support. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/10923003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12620 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 12:51:46 +00:00
erik.corry@gmail.com
aba09dcf2e Allow partial scanning of large arrays in order to avoid 
mark stack overflow.  This is a reland of r12609 -
https://chromiumcodereview.appspot.com/10959011 - but
this time VisitPointers has been fixed (it used to assume
that the first slot was on the first page of a large object).
Review URL: https://chromiumcodereview.appspot.com/10996018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12619 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 12:17:24 +00:00
erik.corry@gmail.com
e8ffc2bebd Make the speed of incremental marking depend also on the rate 
at which we are hitting expensive write barrier operations,
not just on the rate of allocation.
Review URL: https://chromiumcodereview.appspot.com/10974003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12618 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 11:35:42 +00:00
danno@chromium.org
16782af657 Fix silently failing branch merge script on Mac 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10981034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12615 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 11:19:35 +00:00
mmassi@chromium.org
8fbfad63cd Avoid wrong imul deopt on ia32 and x64 (fixes v8 bug 2339). 
BUG=v8:2339

Review URL: https://chromiumcodereview.appspot.com/10963032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12614 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 09:57:30 +00:00
mmassi@chromium.org
e7fc0207ab Lowered kMaxVirtualRegisters (fixes v8 2139 and chrome 123822 and 128252). 
BUG=128252

Review URL: https://chromiumcodereview.appspot.com/10966031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12613 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 09:35:41 +00:00
jkummerow@chromium.org
c9adda2647 Pull more recent gyp. 
This pulls in https://chromiumcodereview.appspot.com/10079030/
and https://chromiumcodereview.appspot.com/10876082/ among others,
which are needed for more *nix platforms support.

Review URL: https://codereview.chromium.org/10983022
Patch from Paweł Hajdan Jr. <phajdan.jr@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12612 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 09:12:45 +00:00
erik.corry@gmail.com
42e5dc2cc0 Make Kraken fasta. 
Review URL: https://chromiumcodereview.appspot.com/10978040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12611 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 09:01:13 +00:00
erik.corry@gmail.com
5547815daf Revert 12609 (Allow partial scanning of large arrays) 
due to crashes in unbox-double-arrays.js test.
Review URL: https://chromiumcodereview.appspot.com/10996017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12610 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 08:55:19 +00:00
erik.corry@gmail.com
a54e007a95 Allow partial scanning of large arrays in order to avoid 
mark stack overflow.
Review URL: https://chromiumcodereview.appspot.com/10959011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12609 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-26 08:33:15 +00:00
yangguo@chromium.org
0f37cb0b79 Fix off-by-one error introduced in r12598. 
R=verwaest@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10977009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12606 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-25 16:59:27 +00:00
danno@chromium.org
c467b2659f ARM: Small optimisation of VFP immediate creation 
Save an instruction in VFP immediate creation by passing a scratch register.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10990024
Patch from Martyn Capewell <m.m.capewell@googlemail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12605 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-25 14:32:07 +00:00
erik.corry@gmail.com
72e9f1bea1 x64 and ARM: Fix issue 2346 (order of operations in keyed store 
on arrays) and turn get-own-property-descriptor.js test into
a regression test.
Review URL: https://chromiumcodereview.appspot.com/10985017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12604 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-25 13:35:42 +00:00
danno@chromium.org
b108180cd1 Fix 2346: Generic KeyedStoreIC doesn't change length and element_kind atomically 
R=erik.corry@gmail.com
BUG=v8:2346

Review URL: https://chromiumcodereview.appspot.com/10991012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12603 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-25 09:55:44 +00:00
rossberg@chromium.org
20b1c426cf Bump number of allowed variables per scope to 65535, to address GWT. 
R=jkummerow@chromium.org
BUG=151625

Review URL: https://codereview.chromium.org/10965063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12600 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 16:22:17 +00:00
yangguo@chromium.org
2473aa31b3 Fix failures caused by r12598. 
R=verwaest@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10958070

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12599 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 15:03:09 +00:00
yangguo@chromium.org
681eda652d Fast path for symbol lookup in JSON.parse. 
R=verwaest@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10969069

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12598 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 14:23:46 +00:00
mstarzinger@chromium.org
1f13fca165 Improve --trace-gc-verbose to show sum of all spaces. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/10974006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12597 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 13:03:11 +00:00
jkummerow@chromium.org
43f038d4cd Split test/mjsunit/debug-stepout-scope into smaller chunks 
Review URL: https://codereview.chromium.org/10969061

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12596 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 11:18:29 +00:00
jkummerow@chromium.org
8a3ec89824 Delete test/mjsunit/regress-1969. 
It was flaky, and its usefulness was doubtful.

Review URL: https://codereview.chromium.org/10961075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12595 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:48:14 +00:00
jkummerow@chromium.org
cc6fe90b2b Remove trailing whitespace 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/10969064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12594 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:44:04 +00:00
jkummerow@chromium.org
1e1470fca0 Speed up test/mjsunit/compiler/regress-or 
Review URL: https://codereview.chromium.org/10969063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12593 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:08:01 +00:00
jkummerow@chromium.org
6dc2af06dc Speed up test/mjsunit/compiler/regress-gvn 
Review URL: https://codereview.chromium.org/10956059

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12592 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:07:09 +00:00
jkummerow@chromium.org
d600358e6d Split test/mjsunit/numops-fuzz into smaller chunks 
Review URL: https://codereview.chromium.org/10961065

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12591 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:06:06 +00:00
jkummerow@chromium.org
fbf5965db4 Split test/mjsunit/mul-exhaustive into smaller chunks 
Review URL: https://codereview.chromium.org/10958064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12590 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:04:58 +00:00
jkummerow@chromium.org
a2fc134169 Split test/mjsunit/fuzz-natives into smaller chunks 
Review URL: https://codereview.chromium.org/10970058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12589 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:03:49 +00:00
jkummerow@chromium.org
1bfbfc34ad Split test/mjsunit/math-floor into smaller chunks 
Review URL: https://codereview.chromium.org/10967064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:02:44 +00:00
jkummerow@chromium.org
bafa150f99 Speed up test/mjsunit/greedy.js 
Review URL: https://codereview.chromium.org/10969062

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12587 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:01:35 +00:00
jkummerow@chromium.org
d88069821c Speed up test/mjsunit/debug-multiple-breakpoints 
Review URL: https://codereview.chromium.org/10961064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 10:00:25 +00:00
jkummerow@chromium.org
6a617a7b23 Speed up test/mjsunit/d8-os by reducing sleep times 
Review URL: https://codereview.chromium.org/10973003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12585 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 09:57:16 +00:00
jkummerow@chromium.org
cf0cae7eb1 Speed up test/mjsunit/regress/regress-crbug-119926 
Review URL: https://codereview.chromium.org/10958063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12584 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 09:56:11 +00:00
jkummerow@chromium.org
975d6e2170 First commit of new tools/run-tests.py 
Review URL: https://codereview.chromium.org/10919265

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12583 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-24 09:38:46 +00:00
yurys@chromium.org
26721b7dc0 This issue is for landing patch by vsevik: http://codereview.chromium.org/10966011/ 
SourceURL comments for scripts having a name. 

sourceURL comment is now preferred script name for all scripts except 
for those with non zero start position (e.g. inline scripts in HTML). 


BUG=v8:2342
Review URL: https://codereview.chromium.org/10959038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12576 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-21 08:09:34 +00:00
verwaest@chromium.org
083ee63a83 Fix CNLT for enum indices. 
Review URL: https://chromiumcodereview.appspot.com/10958015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 15:18:00 +00:00
verwaest@chromium.org
ea31f868e8 Deopt on storing undefined into double elements. 
Review URL: https://chromiumcodereview.appspot.com/10963010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12568 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 13:41:00 +00:00
ulan@chromium.org
260c7b255d Prepare push to trunk. Now working on version 3.14.1. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10958014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12565 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 12:09:06 +00:00
ulan@chromium.org
a0dfdfc273 Revert r12530 "Tentatively reenable previous failing test." 
BUG=v8:2341
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10964015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12564 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 11:28:33 +00:00
mstarzinger@chromium.org
84935fb23a Fix missing slot recodring during clearing of CallICs. 
This fixes a rare corner case that was caused by missing recording of
relocation slots when the uninitialized CallIC stub happenes to land on
an evacuation candidate and the IC is cleared via the shared function.

R=ulan@chromium.org
BUG=chromium:144230
TEST=cctest/test-heap/Regression144230

Review URL: https://codereview.chromium.org/10963005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12563 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 10:45:38 +00:00
jkummerow@chromium.org
a8e502fe60 Fix LBoundsCheck on x64 to handle (stack slot + constant) correctly 
BUG=150729

Review URL: https://codereview.chromium.org/10959009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12562 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 09:56:24 +00:00
jkummerow@chromium.org
83da019a46 Move regress-2286.js where it belongs 
Review URL: https://codereview.chromium.org/10957013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 09:55:19 +00:00
ulan@chromium.org
9ac3be9670 Wait for resolving conflicts in merge-to-branch script. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10939033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12560 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-20 08:02:17 +00:00
verwaest@chromium.org
6f649aaece MIPS: Sharing of descriptor arrays. 
Port r12492 (479be376)

Original commit message:
This CL adds multiple things:
Transition arrays do not directly point at their descriptor array anymore, but rather do so via an indirect pointer (a JSGlobalPropertyCell).

An ownership bit is added to maps indicating whether it owns its own descriptor array or not.

Maps owning a descriptor array can pass on ownership if a transition from that map is generated; but only if the descriptor array stays exactly the same; or if a descriptor is added.

Maps that don't have ownership get ownership back if their direct child to which ownership was passed is cleared in ClearNonLiveTransitions.

To detect which descriptors in an array are valid, each map knows its own NumberOfOwnDescriptors. Since the descriptors are sorted in order of addition, if we search and find a descriptor with index bigger than this number, it is not valid for the given map.

We currently still build up an enumeration cache (although this may disappear). The enumeration cache is always built for the entire descriptor array, even if not all descriptors are owned by the map. Once a descriptor array has an enumeration cache for a given map; this invariant will always be true, even if the descriptor array was extended. The extended array will inherit the enumeration cache from the smaller descriptor array. If a map with more descriptors needs an enumeration cache, it's EnumLength will still be set to invalid, so it will have to recompute the enumeration cache. This new cache will also be valid for smaller maps since they have their own enumlength; and use this to loop over the cache. If the EnumLength is still invalid, but there is already a cache present that is big enough; we just initialize the EnumLength field for the map.

When we apply ClearNonLiveTransitions and descriptor ownership is passed back to a parent map, the descriptor array is trimmed in-place and resorted. At the same time, the enumeration cache is trimmed in-place.

Only transition arrays contain descriptor arrays. If we transition to a map and pass ownership of the descriptor array along, the child map will not store the descriptor array it owns. Rather its parent will keep the pointer. So for every leaf-map, we find the descriptor array by following the back pointer, reading out the transition array, and fetching the descriptor array from the JSGlobalPropertyCell. If a map has a transition array, we fetch it from there. If a map has undefined as its back-pointer and has no transition array; it is considered to have an empty descriptor array.

When we modify properties, we cannot share the descriptor array. To accommodate this, the child map will get its own transition array; even if there are not necessarily any transitions leaving from the child map. This is necessary since it's the only way to store its own descriptor array.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10918287
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12549 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 14:29:27 +00:00
mmassi@chromium.org
9dc822ca13 Fixed minus zero test (fixes v8:2133). 
BUG=v8:2133

Review URL: https://chromiumcodereview.appspot.com/10937013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12548 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 12:48:49 +00:00
mstarzinger@chromium.org
c012afb6d4 Fix setting array length to zero for slow elements. 
R=verwaest@chromium.org
BUG=chromium:146910
TEST=mjsunit/regress/regress-crbug-146910

Review URL: https://codereview.chromium.org/10937026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 11:52:33 +00:00
verwaest@chromium.org
ab94a69d3d Remove whitespace 
Review URL: https://chromiumcodereview.appspot.com/10949018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12546 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 11:09:07 +00:00
verwaest@chromium.org
947663aaa3 Use NumberOfOwnDescriptors/EnumLength for counting properties on fast objects. 
Also split CNLT into small functions.

Review URL: https://chromiumcodereview.appspot.com/10950023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12545 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 10:06:02 +00:00
verwaest@chromium.org
8b57f2694b Reduce space usage of simple transitions and descriptors holders. 
Review URL: https://chromiumcodereview.appspot.com/10915260

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12544 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 09:54:10 +00:00
mstarzinger@chromium.org
f0dcaf9a19 Fix lost arguments dropping in HLeaveInlined. 
This fixes HleaveInlined to correctly drop pushed arguments on all code
paths and addresses a corner case where the arguments stack height
mismatched at an OSR entry point.

R=jkummerow@chromium.org
BUG=chromium:150545
TEST=mjsunit/regress/regress-crbug-150545

Review URL: https://codereview.chromium.org/10938016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12543 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 08:13:46 +00:00
verwaest@chromium.org
1b9c319da2 Clear EnumIndices as well on CNLT. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/10944011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12542 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-19 08:08:02 +00:00