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493 Commits

Author SHA1 Message Date
yangguo@chromium.org
2055f4195e Recommit introducing short external strings. 
Review URL: http://codereview.chromium.org/8677006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10054 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-23 13:08:28 +00:00
yangguo@chromium.org
922aee5a02 Rolling back r10049 due to webkit failures. 
Review URL: http://codereview.chromium.org/8681007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10050 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-23 10:41:12 +00:00
yangguo@chromium.org
21edc7c30b Introduce short external strings without pointer cache. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/8635011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10049 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-23 09:58:58 +00:00
yangguo@chromium.org
5a82d78948 Add pointer cache field to external string for access in generated code. 
TEST=test/mjsunit/string-externalize.js

Review URL: http://codereview.chromium.org/8513010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10023 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 17:05:12 +00:00
ricow@chromium.org
22db7b1eaf Use safe version (i.e. using write barrier) of set_map in ReinitializeJSReceiver. 
We pass in the object that we set the map on.
Review URL: http://codereview.chromium.org/8486005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10007 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-16 10:40:50 +00:00
erik.corry@gmail.com
2792e9ed79 Elide superfluous write barriers. 
Review URL: http://codereview.chromium.org/8468005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-15 14:01:02 +00:00
kmillikin@chromium.org
e49d533b50 Reapply "Add a level of indirection to exception handler addresses." 
Original commit message:

Add a level of indirection to exception handler addresses.

To support deoptimization of exception handlers, the handler address in the
stack is converted to a pair of code object and an index into a separate
table of code offsets.  The index part is invariant under deoptimization.
The index is packed into the handler state field so that handler size does
not change.

R=vegorov@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8538011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9977 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-11 13:48:14 +00:00
kmillikin@chromium.org
66ff8828a0 Revert "Add a level of indirection to exception handler addresses." 
This reverts r9975.  This change broke (at least) snapshots on x64.

TBR=fschneider@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8540005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9976 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-11 13:13:35 +00:00
kmillikin@chromium.org
1635117db9 Add a level of indirection to exception handler addresses. 
To support deoptimization of exception handlers, the handler address in the
stack is converted to a pair of code object and an index into a separate
table of code offsets.  The index part is invariant under deoptimization.
The index is packed into the handler state field so that handler size does
not change.

R=vegorov@chromium.org,fschneider@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8462010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9975 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-11 12:51:42 +00:00
mstarzinger@chromium.org
95eda367f1 Fix mistake in comment for last revision. 
TBR=vegorov@chromium.org

Review URL: http://codereview.chromium.org/8536011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9967 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-11 11:50:05 +00:00
mstarzinger@chromium.org
9dcf002f31 Fix filtering of store buffer for large object pages. 
Our Heap::FreeQueuedChunks generates fake inner chunks in large object
pages queued for freeing, so that StoreBuffer::Filter can recognize them
as pages to be freed. This also relies on MemoryChunk::Contains to work
properly, which is why the size field needs to be initialized as well.

R=vegorov@chromium.org
BUG=v8:1817
TEST=mozilla/js1_5/Regress/regress-360969-05

Review URL: http://codereview.chromium.org/8536009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9964 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-11 09:45:12 +00:00
vegorov@chromium.org
b8dc77ab9a Fix Heap::Shrink to ensure that it does not free pages that are still in use. 
Heap::Shrink is called from EnsureFromSpaceIsCommitted at the very start of the GC. At this moment live bytes counts on pages are in inconsistent states. Some pages might have been already swept but have not been yet reached by an incremental marker (or incremental marker is not in progress) and have live bytes count set to 0. Thus we can't rely only on LiveBytes to determine which pages can be released to the OS.

R=mstarzinger@chromium.org
BUG=100414

Review URL: http://codereview.chromium.org/8507038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9953 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-10 13:24:00 +00:00
vegorov@chromium.org
3bb1da0ff0 Fix Win64 compilation problems introduced by r9932. 
R=yangguo@chromium.org

Review URL: http://codereview.chromium.org/8505019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9941 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-09 15:40:08 +00:00
vegorov@chromium.org
9f50147031 Ensure that promotion queue does not overlap with objects relocated to ToSpace. 
R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8477030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9932 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-09 13:48:43 +00:00
ulan@chromium.org
0d536dec26 Shrink the new space and uncommit marking deque on low memory notification. 
BUG=v8:1669
TEST=cctest/test-heap/CollectingAllAvailableGarbageShrinksNewSpace

Review URL: http://codereview.chromium.org/8065003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9912 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-08 12:42:02 +00:00
mstarzinger@chromium.org
79cadcc947 Fix Harmony sets and maps to allow null as key. 
This changes the internal convention for marking deleted entries in hash
tables from null_value to the_hole_value, which is consistent with other
usages of the_hole.

R=rossberg@chromium.org,kmillikin@chromium.org
BUG=v8:1622
TEST=mjsunit/harmony/collections

Review URL: http://codereview.chromium.org/8343056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9871 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 14:17:05 +00:00
keuchel@chromium.org
7385fef2ca Cleanup ScopeInfo and SerializedScopeInfo. 
Both classes have been merged into a single ScopeInfo
class that implements the functionality from both.

This CL does not adapt the broken gdb-jit interface.

Review URL: http://codereview.chromium.org/8352039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9868 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 10:36:55 +00:00
kmillikin@chromium.org
0df252b38b Handlify the remaining CallStubCompiler functions. 
Also, handlify functions for loading with interceptors and callbacks.
Remove some unneeded code.  Rename Foreign::address() because it
confusingly shadows HeapObject::address() which does something quite
different.

R=vegorov@chromium.org,ulan@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8391045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9834 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-28 12:37:29 +00:00
erik.corry@gmail.com
f6fef24118 Move some heap verification code in under the --verify-heap flag to speed 
up debug mode tests.
Review URL: http://codereview.chromium.org/8381040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9774 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-25 13:27:46 +00:00
mstarzinger@chromium.org
f193d87ec4 Fix initialization of allocation timeout value. 
The allocation timeout value should not be initialized to 0, that
triggers a collection at the first allocation which breaks assumptions
for some test cases.

R=ricow@chromium.org
TEST=cctest/test-heap/Iteration

Review URL: http://codereview.chromium.org/8275032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9748 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-24 08:59:34 +00:00
vegorov@chromium.org
af876ee474 Avoid incremental marking write-barrier when constructing descriptor arrays. 
R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8360004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-21 10:32:38 +00:00
vegorov@chromium.org
5d72dde98a Switch UnreachableObjectsFilter to use Marking instead of InstrusiveMarking. 
GcSafeFindCodeForInnerPointer does not work with intrusive marking now and it is used when roots are iterated.

R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8342037

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9721 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-20 11:40:16 +00:00
ricow@chromium.org
1c21a9dc6a Don't allow large object space to grow over the max oldspace limit (fixes issue 1717) 
Review URL: http://codereview.chromium.org/8345040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9695 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-19 10:15:09 +00:00
lrn@chromium.org
5152d2e0da Reimplement Function.prototype.bind. 
Make instanceof work correctly.

BUG=v8:893

Review URL: http://codereview.chromium.org/8199004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9659 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-17 12:44:16 +00:00
erik.corry@gmail.com
1959359ab2 Speed up cloning objects by avoiding a write barrier check. 
Review URL: http://codereview.chromium.org/8274032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9622 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-14 09:20:19 +00:00
erik.corry@gmail.com
1cca5468aa Remove some asserts to speed up debug mode. 
Review URL: http://codereview.chromium.org/8256012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9606 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-13 11:50:00 +00:00
kmillikin@chromium.org
fa18fdb206 Add a regression test for an already fixed issue. 
Add a regression test for Chromium issue 99167.

R=vegorov@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8222002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9562 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-10 10:46:27 +00:00
vegorov@chromium.org
48ba97a410 Disable short-circuiting of cons-strings when compaction is pending. 
Otherwise fast path of scavenger gets a bit too complicated and heavy.

R=mstarzinger@chromium.org

Review URL: http://codereview.chromium.org/8217002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-10 10:35:08 +00:00
fschneider@chromium.org
313f9505b4 Make accessors for oddball objects return Oddball* instead of Object*. 
Fix a use of the hole value and the undefined value before initialization when
initializing V8. Before we just read a NULL value from them.
Review URL: http://codereview.chromium.org/8130002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9557 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-10 09:21:48 +00:00
lrn@chromium.org
ebc0f85e40 Revert "Added ability to lock strings to prevent their representation or encoding from changing." 
This reverts r9424.

Review URL: http://codereview.chromium.org/8143018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9529 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-05 11:09:34 +00:00
rossberg@chromium.org
2c975d6ae2 Make 'Become' safe for retries. 
R=ricow@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8138003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9524 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-05 09:41:54 +00:00
mstarzinger@chromium.org
279356b4b3 Implement shrinking of paged spaces during sweeping. 
For each paged space we release all but one of the unused pages after
marking (when we know the number of live bytes) but before actually
sweeping it. This is not yet done for lazy swept pages.

R=erik.corry@gmail.com
BUG=v8:1614

Review URL: http://codereview.chromium.org/7891010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9481 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-29 12:27:31 +00:00
vegorov@chromium.org
2c1b5c0a9a Adjust assertion in Heap::IdleNotification. 
R=mstarzinger@chromium.org
BUG=v8:1715

Review URL: http://codereview.chromium.org/8038045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9467 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-28 12:55:34 +00:00
erik.corry@gmail.com
07ba7ad073 Move the is_pregenerated flag so it does not overlap other flags. 
Remove the before-or-after InstanceOf stub rule, which was too
subtle and lacked checking ssertions.
Unify the way the CEntry stub is pregenerated so that it is done
in the same way.
Review URL: http://codereview.chromium.org/8065006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-28 12:23:40 +00:00
lrn@chromium.org
172c27a6ba Added ability to lock strings to prevent their representation or encoding from changing. 
Use string locking to ensure consistent representation of source string during JSON parsing.

Review URL: http://codereview.chromium.org/7977001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9424 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-26 11:14:41 +00:00
whesse@chromium.org
2e40bc244a Add dynamic stack frame alignment to optimized functions with untagged doubles on the stack. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/7976024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9415 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-23 13:28:17 +00:00
svenpanne@chromium.org
1311b8f0e2 Improve Hydrogen code for accessing undefined/null/Infinity. 
In some special (but probably very common) cases we can do better than loading
from a global cell for these global properties by emitting the corresponding
constant directly. This opens up opportunities for further improvements, coming
in a separate CL...
Review URL: http://codereview.chromium.org/7992002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9409 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-23 08:00:06 +00:00
ricow@chromium.org
e4c90dc958 GC Cleanup + Set max old generation size to 700MB on ia32 and max executable size to 128 MB (on ia32) 
Review URL: http://codereview.chromium.org/7993003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9406 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 17:10:40 +00:00
rossberg@chromium.org
d938560d59 Implement identity hashes for proxies. 
R=mstarzinger@chromium.org
BUG=v8:1543,v8:1565
TEST=

Review URL: http://codereview.chromium.org/7754015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9396 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 13:54:53 +00:00
fschneider@chromium.org
c6a3422c04 Give each function prototype a fresh copy of the object function map. 
This avoid unwanted sharing between different function prototypes and in
general should help inlining because constant function properties on one
prototype don't affect other prototypes anymore.

BUG=v8:1716
Review URL: http://codereview.chromium.org/7994001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9393 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 12:57:54 +00:00
danno@chromium.org
f48c9f6557 Basic support for tracking smi-only arrays on ia32. 
Activated by the flag --smi-only-arrays

Currently not crankshaft support, using flag on non-ia32 platforms will lead to write barrier misses and crashes.

BUG=none
TEST=elements_kind.js

Review URL: http://codereview.chromium.org/7901016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9392 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 11:30:04 +00:00
rossberg@chromium.org
e04d0b23a8 Make integer indexed properties ("elements") work for proxies. 
Rehome some Object/JSReceiver/JSObject methods.

R=ricow@chromium.org,kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7795055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9381 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 10:45:37 +00:00
fschneider@chromium.org
fdaadb78d6 Landing for miket@chromium.org: Add an optional source length field to the Extension constructor. 
Original code review: http://codereview.chromium.org/7889046/
Review URL: http://codereview.chromium.org/7978028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9365 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-21 13:28:09 +00:00
erik.corry@gmail.com
2f1f203bff Fix pc to code cache so it can cope with a pointer to the start of the code 
object.  Rename it to be the inner pointer to code cache.
Review URL: http://codereview.chromium.org/7969013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9336 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-20 10:08:39 +00:00
yangguo@chromium.org
fdffe67205 Initialize pre-allocated fields of JSObject with undefined. 
BUG=94873

Review URL: http://codereview.chromium.org/7929001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9335 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-20 10:06:23 +00:00
erik.corry@gmail.com
00eaa669ad Speed up finding code objects from addresses in asserts. With 
the new large pages it takes too long to iterate from the start
of the page to find a code object.
Review URL: http://codereview.chromium.org/7974007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9332 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-20 08:32:48 +00:00
vegorov@chromium.org
ac36cb4504 Merge experimental/gc branch to the bleeding_edge. 
Review URL: http://codereview.chromium.org/7945009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9328 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-19 18:36:47 +00:00
rossberg@chromium.org
07469fa5ae Make function proxies work as constructors. 
R=kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7628021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9310 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-16 12:26:29 +00:00
erik.corry@gmail.com
ab30559fee Fix some stub calling asserts on x64. 
Review URL: http://codereview.chromium.org/7922008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9309 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-16 11:29:13 +00:00
yangguo@chromium.org
327eb48ce6 Enable slices of external strings (in the tentative implementation). 
TEST=cctest test-strings/SliceFromExternal, mjsunit/string-slices.js

Review URL: http://codereview.chromium.org/7832002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9295 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-15 11:10:01 +00:00