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Author SHA1 Message Date
svenpanne@chromium.org
e2af8fd68a Refactored iterative map traversal. 
The main goal is to cleanly separate between the several parts involved in the traversal:

 * iterating over all transitions in a descriptor array

 * iterating over all prototype transitions

 * storing the parent and the current local traversal position in a map

 * the iterative traversal algorithm itself

The previous algorithm for iterating over prototype transitions did a little bit too much here, iterating over the whole array instead only the filled part. This has been fixed on the way, too.

With this CL, it will be much easier to make the necessary changes to the descriptor array iterator to correctly handle map transitions for accessor properties. Furthermore, perhaps we represent transitions a bit different in the future, making finding them a bit easier. This would make some code in this CL (and elsewhere) quite a bit shorter and more efficient.

Review URL: https://chromiumcodereview.appspot.com/9252007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10473 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-23 10:50:14 +00:00
yangguo@chromium.org
504fff1118 Cleaning up after r10471. 
Review URL: https://chromiumcodereview.appspot.com/9193007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-23 08:39:49 +00:00
yangguo@chromium.org
bc091f31c8 Removing experimental i18n code from v8 repository. Internationalization support is hosted under code.google.com/p/v8-i18n for couple months now. 
TEST=Chromium/WebKit builds should pass.

Review URL: https://chromiumcodereview.appspot.com/9016034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10471 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-23 08:09:22 +00:00
vegorov@chromium.org
8c776261c2 Limit number of loop iterations in Heap::ReserveSpace. 
This allows to avoid infinite loops in pathalogical cases e.g. when OS refuses to give new pages to V8.

R=erik.corry@gmail.com
BUG=99027

Review URL: https://chromiumcodereview.appspot.com/8286020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 17:21:26 +00:00
yangguo@chromium.org
11e779185b Parallelize cpplint in presubmit and fix usage of DISALLOW_* macros. 
BUG=v8:1653

Review URL: https://chromiumcodereview.appspot.com/9192010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10465 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 16:17:08 +00:00
danno@chromium.org
e9139ffa71 Remove stray GVN flag in TransitionElementsKind 
TBR=mstarzinger@chromium.org
BUG=none
TEST=build turns green

Review URL: https://chromiumcodereview.appspot.com/9270010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 15:55:06 +00:00
yangguo@chromium.org
89591097aa Fix solaris build (VirtualMemory). 
BUG=v8:1761
TEST=

Review URL: https://chromiumcodereview.appspot.com/9233002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10463 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 15:43:38 +00:00
svenpanne@chromium.org
ed4343d982 Removed IsPropertyOrTransition method. 
It had only 2 uses: One use could be rewritten in a simpler way, and the other
is actually more readable after inlining and fixing the comments.

Review URL: https://chromiumcodereview.appspot.com/9233006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 15:10:35 +00:00
danno@chromium.org
960923078b MIPS: Make sure transitioned arrays efficiently call builtin Array functions 
Port r10356 (69da81).

Original commit message:
Loosen the requirement for Map equivalency on several map checks, including checks up the prototype chain, that are not sensitive to ElementsKinds. These selected map checks should also match against FAST_DOUBLE_ELEMENT and FAST_ELEMENT transitions of the original map. This specifically helps all variants of transitioned JSArrays to still efficiently call builtins like push, pop and sort.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9265007
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10461 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 14:17:26 +00:00
danno@chromium.org
8d741a9add Split GVN flags from flags in Hydrogen instructions. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9233005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10460 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 14:08:20 +00:00
rossberg@chromium.org
c61665604b Fix handling of function proxies in higher-order array and string methods, 
which use yet another way to determine strict vs non-strict function receivers.

R=kmillikin@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9270004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10459 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 13:59:37 +00:00
erik.corry@gmail.com
9672a04de2 Fix keyed lookup cache to have 2 entried per bucket instead 
of one in order to reduce collisions.
Review URL: https://chromiumcodereview.appspot.com/9269004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10458 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 13:43:21 +00:00
vegorov@chromium.org
1f4ec772f7 MIPS: Change inlined cache of intanceof stub to use indirection through cell. 
Port r10380 (46f646).

Original commit message:
The stub was directly patching caller's code without issuing write barrier which violated incremental marking invariants.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9159008
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10457 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 12:50:39 +00:00
vegorov@chromium.org
4de11a7bee MIPS: Allow call-known-global and call-constant-function to be used 
for call-sites with mismatched number of arguments.

Port r10424 (92a05c9c).

Original commit message:
Adjust InvokeFunction to avoid generating dead code when number when arity mismatch is detected in compile time.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9150026
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10456 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 12:49:43 +00:00
mstarzinger@chromium.org
5c92e4f1c3 Add regression test for r10451. 
R=vegorov@chromium.org
TEST=cctest/test-heap/PrototypeTransitionClearing

Review URL: https://chromiumcodereview.appspot.com/9138016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10455 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 12:44:04 +00:00
yangguo@chromium.org
af98ee9492 Enable asynchronous remote debugging with d8. 
BUG=v8:1691
TEST=

Review URL: https://chromiumcodereview.appspot.com/9138015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10454 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 11:59:00 +00:00
mstarzinger@chromium.org
dffb78e312 Fix missing write-barrier for prototype transitions. 
R=vegorov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9150041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10451 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 18:50:01 +00:00
yangguo@chromium.org
8e7194e62e Fix shared library build. 
Review URL: https://chromiumcodereview.appspot.com/9265010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10450 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 17:04:34 +00:00
yangguo@chromium.org
41b7c56031 Fix remote debugger crash. 
Review URL: https://chromiumcodereview.appspot.com/9200006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10449 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 16:52:16 +00:00
ulan@chromium.org
4f882a86a4 Prepare push to trunk. Now working on version 3.8.8. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9264011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10445 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 15:28:48 +00:00
jkummerow@chromium.org
606c996a67 Revert "Immediately use the generic stub when storing into COW arrays" 
Due to unexpected performance implications.

This reverts r10429.

Review URL: https://chromiumcodereview.appspot.com/9150032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 14:58:54 +00:00
erik.corry@gmail.com
d4cf1699ec Add missing SmiUntag for string hash calculation in 
in-snapshot code on IA32.
Review URL: https://chromiumcodereview.appspot.com/9254027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10443 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 14:43:25 +00:00
erik.corry@gmail.com
ae698e73f4 MIPS: Use shift and add instead of mul on ARM for integer hash. This is a commit of http://codereview.chromium.org/9192011/ for Daniel Kalmar 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10442 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 14:08:48 +00:00
erik.corry@gmail.com
60f1618970 Add an assert to the serializer. 
Review URL: https://chromiumcodereview.appspot.com/9159010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10441 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 13:51:45 +00:00
kmillikin@chromium.org
b571bd2ce9 MIPS: Fix for an ARM register allocation bug. 
Port r10374 (03bbe39).

Note: the MIPS version was not affected by the bug. This is merely a style cleanup.

Original commit message:
An off-by-one in the register allocator could lead to allocating (and
clobbering) the reserved 0.0 double register.  This required a function with
14 or more live double values.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9150025
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10440 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 13:41:11 +00:00
mstarzinger@chromium.org
77f6a6fc31 Fix prototype transition clearing during full GC. 
R=vegorov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9195008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10439 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 13:38:37 +00:00
erik.corry@gmail.com
504ef4f243 Robustify the clearing of the cache of map-related ICs on the map. 
Review URL: https://chromiumcodereview.appspot.com/9159009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10438 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 13:22:16 +00:00
fschneider@chromium.org
48a24b9224 MIPS: Tiny improvement of register constraints in LClassOfTest instructions. 
Port r10379 (3399d6).

Original commit message:
The input register does not need to be made writable. We already
allocate enough temp registers and the input register will always
be preserved.

BUG=
TEST=
Review URL: http://codereview.chromium.org/9254025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10437 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 13:07:46 +00:00
yangguo@chromium.org
5b81bd0f0c MIPS: Inlining Math.min and Math.max in crankshaft. 
Port r10391 (7900f3c).

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9195009
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10436 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 12:42:20 +00:00
fschneider@chromium.org
ed5f9a4c77 Generate faster compares for === and !== with boolean constants. 
Review URL: http://codereview.chromium.org/9195005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10435 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 12:14:11 +00:00
vegorov@chromium.org
704c92ce95 Ensure that LRandom restores rsi after call to the C function on x64. 
R=ulan@chromium.org
BUG=http://crbug.com/110509
TEST=test/mjsunit/regress/regress-110509.js

Review URL: https://chromiumcodereview.appspot.com/9265003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10434 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 08:43:34 +00:00
yangguo@chromium.org
a334f2af54 Fixing include issues on *bsd when building with scons. Based on a patch by Ben Noordhuis. 
BUG=v8:1897
TEST=

Review URL: https://chromiumcodereview.appspot.com/9249013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10433 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-19 08:43:11 +00:00
rossberg@chromium.org
1a52ae7c1e Fix typos in JSObject::GetHeaderSize, which just worked by accident. 
R=kmillikin@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9231025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10432 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-18 17:01:57 +00:00
jkummerow@chromium.org
3a4bed8a7e Only clear monomorphic ICs on GC after Context exit 
Review URL: https://chromiumcodereview.appspot.com/9255014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10431 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-18 16:16:11 +00:00
fschneider@chromium.org
98013d9824 Eliminate a superfluous map check when building generic array element access. 
In the case where we generate a generic load or store, we don't need to emit a non-smi-check and a map-check before it.
Review URL: http://codereview.chromium.org/9252008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10430 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-18 14:05:11 +00:00
jkummerow@chromium.org
99718b95a8 Immediately use the generic stub when storing into COW arrays 
Review URL: https://chromiumcodereview.appspot.com/9254005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10429 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-18 13:15:22 +00:00
jkummerow@chromium.org
001dea475f Provide a switch to specify -fno-strict-aliasing 
BUG=v8:1887

Review URL: https://chromiumcodereview.appspot.com/9231019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10427 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-18 10:17:03 +00:00
vegorov@chromium.org
3fd6ba109e When adjusting page's live bytes counter from the mutator adjust owners unswept free bytes counter. 
R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9178021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10426 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-18 09:21:07 +00:00
fschneider@chromium.org
01979c70a8 Fix handling of named interceptors in optimized code. 
When calling a constant function property from optimized code,
we need to check that there is no interceptor on the receiver map.

TEST=cctest/InterceptorCallICConstantFunctionNotNeededWrapped
Review URL: http://codereview.chromium.org/9240006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10425 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 16:06:03 +00:00
vegorov@chromium.org
fb24808c70 Allow call-known-global and call-constant-function to be used for call-sites with mismatched number of arguments. 
Adjust InvokeFunction to avoid generating dead code when number when arity mismatch is detected in compile time.

R=fschneider@google.com

Review URL: https://chromiumcodereview.appspot.com/9178017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10424 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 15:53:58 +00:00
jkummerow@chromium.org
188d7a9efb Move WIN32 define from standalone.gypi to common.gypi 
BUG=v8:1760

Review URL: https://chromiumcodereview.appspot.com/9231018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10423 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 14:35:38 +00:00
yangguo@chromium.org
6d0d6a5695 Recursion limit for one-char string replace and retire String::kMinNonFlatLength. 
TEST=mjsunit/string-replace-one-char.js

Review URL: https://chromiumcodereview.appspot.com/9231017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10422 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 14:29:17 +00:00
mstarzinger@chromium.org
f3045d3802 Fix corner-case in heap size estimation. 
Empty but unswept pages could cause the unswept_free_bytes counter to
to be off in case heap gets shrunk and page gets released before it was
swept properly.

R=vegorov@chromium.org
BUG=v8:1893

Review URL: https://chromiumcodereview.appspot.com/9241010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10421 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 14:09:12 +00:00
yangguo@chromium.org
73ac99286d Remove limit for d8 shell input length. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9232009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10418 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 13:37:09 +00:00
erik.corry@gmail.com
a02dbe4258 Revert 10413-10416 initial memory use reduction due to 
test failures.
Review URL: http://codereview.chromium.org/9178014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10417 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 13:13:55 +00:00
erik.corry@gmail.com
07b46f47d2 Make fussy Windows compiler happy. 
Review URL: http://codereview.chromium.org/9178012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10416 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 12:49:15 +00:00
erik.corry@gmail.com
fdc163bbbb Make from-space initially uncommitted for another 1Mbyte 
improvement in boot time memory usage.
Review URL: http://codereview.chromium.org/9242008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10415 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 12:09:11 +00:00
erik.corry@gmail.com
516f08afca Unbreak the 64 bit build. 
Review URL: http://codereview.chromium.org/9178011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10414 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 11:49:01 +00:00
erik.corry@gmail.com
3403e76682 Reduce boot-up memory use of V8. 
Reduce signal sender thread stack size to 32k.
Commit partial old-space pages to reduce minimum memory use.
This is a rebase of http://codereview.chromium.org/9017009/
Review URL: http://codereview.chromium.org/9179012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10413 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 11:38:25 +00:00
yangguo@chromium.org
a97cebe292 Fast path for string.replace that replaces a single character by a string. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/9213002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10412 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-16 15:21:38 +00:00