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Author SHA1 Message Date
svenpanne@chromium.org
9dc2c5b83d Add an API for enumerating persistent handles 
This API lets the embedder enumerate handles that have class ids. WebKit will
use this feature during garbage collection to compute object groups for DOM
nodes. Previously, we kept a list of DOM nodes on the WebKit side, but that
list is redundant with the global handles list in V8.

Review URL: https://codereview.chromium.org/11190011
Patch from Adam Barth <abarth@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12750 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-18 06:52:37 +00:00
danno@chromium.org
966b08440c MIPS: Fix compilation under clang. 
Clang is a little more picky than gcc on unused variable
warnings, which become errors with -Werror. Clean up
these cases for mips.

BUG=
TEST=

Review URL: https://codereview.chromium.org/11175005
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12748 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-17 14:20:43 +00:00
verwaest@chromium.org
b61933ba10 Eagerly follow transitions to existing maps while json parsing. 
Review URL: https://chromiumcodereview.appspot.com/11184006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12747 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-17 14:09:42 +00:00
verwaest@chromium.org
72424b3987 Move DescriptorArray into the map. 
Review URL: https://chromiumcodereview.appspot.com/11188031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-17 13:04:49 +00:00
jkummerow@chromium.org
62223bd2c0 Revert recent CPU profiler changes because they broke --prof. 
This reverts r12649 and r12650.

BUG=v8:2364

Review URL: https://codereview.chromium.org/11193020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-17 12:24:31 +00:00
jkummerow@chromium.org
936e6922e2 Use shlex.split() to parse --special-command test argument 
This allows passing commands with quoted spaces, such as:
  tools/test-wrapper-gypbuild.py --special-command \
    "$DR/bin64/drrun -ops '-reset_every_nth_pending 0' @" \
    ...

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11143018
Patch from Reid Kleckner <rnk@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12744 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-16 16:29:19 +00:00
svenpanne@chromium.org
bcb383e055 Improved printing of HLoadElements instruction. 
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11177004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-16 11:41:07 +00:00
danno@chromium.org
4a2a4b8647 MIPS: Fix ARM bug introduced in r12604 that caused crashes on ARM on crypto-md5 from SunSpider. 
Port r12623 (22002351)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10979066
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12742 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-16 08:45:17 +00:00
danno@chromium.org
1fe673a60d MIPS: Fix issue 2346 (order of operations in keyed store on arrays) and turn get-own-property-descriptor.js test into a regression test. 
Port r12604 (ae837167)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10987086
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12741 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-16 08:29:58 +00:00
mstarzinger@chromium.org
479b4d61a6 MIPS: 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. 
Port r12618 (c621b025)

BUG=
TEST=

Review URL: https://codereview.chromium.org/10977070
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12740 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-16 08:24:13 +00:00
ulan@chromium.org
9f2e52ac12 Fix MIPS build broken by r12735 'Allow unaligned accesses for ARMv7'. 
R=mstarzinger@chromium.org,palfia@homejinni.com

Review URL: https://chromiumcodereview.appspot.com/11167004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12739 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-16 08:23:15 +00:00
mstarzinger@chromium.org
e2da94b804 MIPS: Fix compilation failure on ARM in r12685. 
Port r12686 (bdda5c81)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11143029
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12738 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-16 08:16:36 +00:00
ulan@chromium.org
a86e897924 Simulate and disasm NOP on ARM 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11116011
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12737 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 15:42:09 +00:00
mstarzinger@chromium.org
02490829dd Fix bug in deletion of indexed properties 
The delete operator always return true in case of indexed property. It
should return false if an indexed property can't be deleted (eg.
DontDelete attribute is set or a string object is the holder).

Contributed by Peter Varga <pvarga@inf.u-szeged.hu>

BUG=none
TEST=mjsunit/delete-non-configurable

Review URL: https://codereview.chromium.org/11094021
Patch from Peter Varga <pvarga@inf.u-szeged.hu>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12736 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 15:23:22 +00:00
ulan@chromium.org
86eedc26b5 Allow unaligned accesses for ARMv7. 
R=mstarzinger@chromium.org,jfb@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11087047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 15:19:36 +00:00
mstarzinger@chromium.org
d9e3d35c07 Switch code flushing to use different JSFunction field. 
This is another preparation for incremental code flushing. Instead of
linking candidates using the code entry field, we use the next pointer
that is also used to link optimized functions together. Since we only
support flushing of unoptimized code, this field can be shared.

R=ulan@chromium.org
BUG=v8:1609

Review URL: https://codereview.chromium.org/11141023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12734 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 14:43:57 +00:00
svenpanne@chromium.org
57116621eb Fixed VERIFY_HEAP without DEBUG. 
Review URL: https://codereview.chromium.org/11155007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12731 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 12:36:58 +00:00
svenpanne@chromium.org
1fef757b4e Prepare push to trunk. Now working on version 3.14.5. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11137016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12728 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 11:49:59 +00:00
yurys@chromium.org
eee93ec99b Allow evals for debugger even if they are prohibited in the debugee context. 
BUG=154733
Review URL: https://codereview.chromium.org/11111015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12726 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 10:15:25 +00:00
mstarzinger@chromium.org
3d0d211764 Ensure code flushing is disabled in incremental marking. 
This fixes some test failures since r12714 which shared the code for
code flushing between full and incremental marking and is only a quick
fix until we can enable incremental code flushing.

R=jkummerow@chromium.org
BUG=v8:1609

Review URL: https://codereview.chromium.org/11137014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 09:25:30 +00:00
verwaest@chromium.org
7c28995e5d Invalidate the enum cache when converting a transition across which the descriptors are shared. 
Review URL: https://chromiumcodereview.appspot.com/11145017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12722 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 08:38:51 +00:00
svenpanne@chromium.org
5a0176222b Consistently make the bounds check for AccessArgumentsAt explicit. 
This has the advantage that AccessArgumentsAt itself can't deopt anymore and the
bounds check is visible for the elimination phase. Furthermore, things are
simply more consistent now, a good thing in itself. :-)

Review URL: https://codereview.chromium.org/11106012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12721 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 07:25:20 +00:00
svenpanne@chromium.org
2389a514a0 Synced Scons with GYP build. ;-) 
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11155005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12720 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 07:07:58 +00:00
svenpanne@chromium.org
6cf48ce3d7 Fixed heap verification guards. 
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11147016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12719 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 06:34:22 +00:00
danno@chromium.org
bf83c5fe32 Use immediate add when possible in space allocator 
Save one instruction in allocating new space by using an immediate add if
possible to calculate the new top of heap.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11091068
Patch from Anthony Berent <aberent@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12718 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 14:06:03 +00:00
ulan@chromium.org
c969afe137 Reland r12342: Flush monomorphic ICs on context disposal instead of context exit. 
The crashes that caused r12342 to be reverted are fixed in r12563.

R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11092081

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12715 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 13:49:12 +00:00
mstarzinger@chromium.org
bf85da7441 Move code flushing support into shared visitor. 
This is a first step towards incremental code flushing. The code
flushing support is now shared between full and incremental marking.
The code flusher itself is not yet activated in incremental mode and
will require some additional adaptations.

R=ulan@chromium.org
BUG=v8:1609

Review URL: https://codereview.chromium.org/11028016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12714 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 12:41:29 +00:00
mvstanton@chromium.org
b3c0ed8245 Enable --verify-heap in release mode 
R=mstarzinger@chromium.org
BUG=v8:2120

Review URL: https://codereview.chromium.org/11118018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12713 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 11:41:14 +00:00
svenpanne@chromium.org
1f3bdabd80 Ensure that we do not accidentally emit debug code. 
The call sites are more concise, the naming is better and at least one
case of superfluous code in release mode was removed.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11108011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12712 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 11:09:14 +00:00
danno@chromium.org
0457a3be0a DoNumberTagD performance improvement 
Allocate heap entry untagged and tag at end to avoid having to subtract off
the tag offset before storing the value.

BUG=

Review URL: https://codereview.chromium.org/11028115
Patch from Anthony Berent <aberent@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12711 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 10:58:25 +00:00
ulan@chromium.org
ede725d2f7 Fix vstr.cc S, [mem] to emit vstr instead of vldr. 
BUG=emits wrong instruction
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11118015
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12710 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 09:27:12 +00:00
verwaest@chromium.org
9ecabf526c Make EnumCacheBridge immutable. 
Review URL: https://chromiumcodereview.appspot.com/11048051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12709 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 08:16:49 +00:00
svenpanne@chromium.org
48d92f6167 MIPS: Consistently use named getters for Lithium operands on ARM. 
Port r12527 (24ed881a)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11109003
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12708 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 07:05:00 +00:00
jkummerow@chromium.org
c756e14b0b Prepare push to trunk. Now working on version 3.14.4. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/11094073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12705 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 15:35:24 +00:00
verwaest@chromium.org
b75705f07b Don't clear EnumLength but rather copy the enum cache. Added regression test for crashes from chromecrash. 
Review URL: https://chromiumcodereview.appspot.com/11103036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12704 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 15:33:34 +00:00
jkummerow@chromium.org
942e7424e9 Use native context to retrieve ErrorMessageForCodeGenerationFromStrings 
BUG=155076

Review URL: https://codereview.chromium.org/11093073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12703 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 14:14:24 +00:00
svenpanne@chromium.org
86bcbcdc0b HChange is only deletable under certain circumstances. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11092075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12702 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 14:14:03 +00:00
rossberg@chromium.org
348736efaa Find a stack limit for the test that works on both Win32 and Linux64. 
R=mstarzinger@chromium.org
BUG=151625

Review URL: https://codereview.chromium.org/11086073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12701 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 13:10:24 +00:00
rossberg@chromium.org
ddbd426821 Increase stack size for test to work on x64. 
R=jkummerow@chromium.org
BUG=151625

Review URL: https://codereview.chromium.org/11098070

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12700 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 12:11:46 +00:00
verwaest@chromium.org
ad6a21c0d0 Remove descriptors pointer. 
Secondary changes:
- don't transfer ownership back on CNLT
- turned debugging checks back into ASSERT

Review URL: https://chromiumcodereview.appspot.com/11099064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12699 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 12:01:19 +00:00
rossberg@chromium.org
00132da734 Bump variable limit further to 2^17. 
R=jkummerow@chromium.org
BUG=151625

Review URL: https://codereview.chromium.org/11099063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12698 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 11:40:10 +00:00
svenpanne@chromium.org
f03fd70d9e Added a simple dead code removal phase. 
We iteratively remove all dead Hydrogen instruction until we reach a fixed point. We consider an instruction dead if it is unused, has no observable side effects and is deletable. The last part of the condition is currently not very nice: We basically have to whitelist "safe" instructions, because we are missing more detailed dependencies and/or more detailed tracking of side effects.

We disable dead code elimination for now in our test runners, because we have tons of poorly written tests which wouldn't test anymore what they are supposed to test with this phase enabled. To get test coverage for dead code elimination itself, we should enable it on a few build bots. This is not really a perfect state, but the best we can do for now.

This patch includes a few const-correctness fixes, most of them were necessary for this CL.

Review URL: https://codereview.chromium.org/11088027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12697 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 10:52:58 +00:00
verwaest@chromium.org
bfb2db2329 Prepare push to trunk. Now working on version 3.14.3. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11098047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12692 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 17:05:00 +00:00
ulan@chromium.org
cd3907cadd ARM: allow VFP3 instructions when hardfloat is enabled. 
R=danno@chromium.org
BUG=152506

Review URL: https://chromiumcodereview.appspot.com/11028116

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12691 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 16:15:29 +00:00
verwaest@chromium.org
e5620d5a58 Also use binary search to search through valid entries. 
Review URL: https://chromiumcodereview.appspot.com/11028056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12690 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 14:48:07 +00:00
verwaest@chromium.org
c2a9d49393 Transition ownership back if the descriptors were shared via elements transitions. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11091044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12689 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 13:13:35 +00:00
verwaest@chromium.org
dde1cdfb8e Fix transition conversion from CONSTANT_FUNCTION to FIELD. 
Review URL: https://chromiumcodereview.appspot.com/11094044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12688 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 12:31:50 +00:00
verwaest@chromium.org
55e924c595 Fix CNLT regression. 
This happens when a map A with no descriptors in fast_holey_elements
mode first gets some properties, making it share descriptor arrays with
a map B to which it transitions. Then map A transitions elements kind to
dictionary_elements in map C. C stores the empty_descriptor_array in its
own transition array. When adding a property to C, C transitions to D
and shares the descriptors. If D dies, a CNLT clears the transition
array of C, making the descriptor array of A (and thus also of B) shine
through. If a property is now added to an object in state C, it'll inherit
all the properties of A (and B). If those properties had high field indices,
we do not have a large enough backing store for the single newly added
property, and we'll write out of bounds.

BUG=chromium:151749

Review URL: https://chromiumcodereview.appspot.com/11017054

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 12:29:44 +00:00
mstarzinger@chromium.org
8b299a5b0e Fix compilation failure on ARM in r12685. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11103004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12686 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 11:58:22 +00:00
mstarzinger@chromium.org
2c7b630d09 Enable compilation of GDBJIT interface on Linux. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11093046

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12685 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 11:13:15 +00:00