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2763 Commits

Author SHA1 Message Date
jkummerow@chromium.org
4e405b6945 Fix missing write barrier in CopyObjectToObjectElements. 
Passing the write barrier mode as a parameter does not make sense, as the elements kind specific copiers know best whether a write barrier is needed or not.

BUG=119926
TEST=mjsunit/regress/regress-crbug-119926
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9808111

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-25 15:16:06 +00:00
danno@chromium.org
8833c99552 Check double array bounds in HasElementImpl. 
R=jkummerow@chromium.org
BUG=chromium:119925
TEST=test/mjsunit/regress/regress-119925.js

Review URL: https://chromiumcodereview.appspot.com/9808110

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11133 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-25 14:21:51 +00:00
vegorov@chromium.org
3ccc885c78 Revert arguments access support for inlined functions (r11109,r11118). 
We are inserting HPushArgument instructions after HEnterInlined based on the environment at the point of the first arguments access. Which might create use before def if there are redundant phis in the environment. 
Review URL: https://chromiumcodereview.appspot.com/9837041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-23 15:39:34 +00:00
rossberg@chromium.org
00346bd1da Fix use of proxies as f.prototype properties. 
R=mstarzinger@chromium.org
BUG=v8:2021
TEST=

Review URL: https://chromiumcodereview.appspot.com/9837008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11116 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-23 10:25:14 +00:00
vegorov@chromium.org
b7dca5d5a7 Support arguments object access from inlined functions. 
R=fschneider@chromium.org
TEST=test/mjsunit/compiler/inline-arguments.js

Review URL: https://chromiumcodereview.appspot.com/9837002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11109 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-22 13:53:28 +00:00
erik.corry@gmail.com
bc1eb293cd Enable snapshots on MIPS. This is based on 
http://codereview.chromium.org/9372063 by Daniel Kalmar.
Review URL: https://chromiumcodereview.appspot.com/9722020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11107 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-21 14:29:14 +00:00
fschneider@chromium.org
5e58c3baf8 Temporarily allow timeout for one mozilla test. 
BUG=v8:2018
Review URL: https://chromiumcodereview.appspot.com/9813008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11106 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-21 14:19:17 +00:00
erik.corry@gmail.com
25f84a48ce Speed up WriteUtf8 in the case where the output buffer is large enough. 
Review URL: https://chromiumcodereview.appspot.com/9696032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11104 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-21 13:48:29 +00:00
fschneider@chromium.org
30a2f2c4ef When running with --always-opt, don't deoptimize named loads with uninitialized type feedback. 
This avoids tests taking too long because of repeated deoptimizations.
Review URL: https://chromiumcodereview.appspot.com/9812004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11100 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-21 09:23:09 +00:00
vegorov@chromium.org
790219ec55 Use correct arguments adaptation environment when inlining function containing arguments. 
R=mstarzinger@google.com
BUG=V8:2014
TEST=test/mjsunit/compile/inline-arguments.js

Review URL: https://chromiumcodereview.appspot.com/9750007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11098 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-20 18:15:31 +00:00
loislo@chromium.org
64c96ad9c0 There is a trick for speed up array shift operation. 
This trick is confusing a bit the heap snapshoting code.
Such a shiffted array will be interpreted as a new array in the second snapshot.

BUG=none
TEST=HeapEntryIdsAndArrayShift

Review URL: https://chromiumcodereview.appspot.com/9748007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-20 14:35:05 +00:00
mstarzinger@chromium.org
efa8d96e96 Mark invalid Test262 test cases correctly. 
R=ulan@chromium.org
TEST=test262/S15.9.3.1_A5_T?

Review URL: https://chromiumcodereview.appspot.com/9719036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11088 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-19 16:28:18 +00:00
fschneider@chromium.org
e081a3bfba Insert explicit deoptimization for named loads that have "uninitialized" type feedback. 
We already do this for binary-ops, unary-ops and comparisons. Typefeedback for named loads can now also
be in "uninitialized" state which means that the corresponding load IC was never executed.
Review URL: https://chromiumcodereview.appspot.com/9722041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11087 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-19 15:54:37 +00:00
mstarzinger@chromium.org
56c75c387a Temporary disable Test262 tests failing on buildbot. 
R=jkummerow@chromium.org
TEST=test262/S15.9.3.1_A5_T?

Review URL: https://chromiumcodereview.appspot.com/9724034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11086 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-19 12:22:56 +00:00
erik.corry@gmail.com
bcd0fd00e3 Add API call that identifies strings that are guaranteed 
only to contain ASCII characters.
Review URL: https://chromiumcodereview.appspot.com/9724022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11079 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-19 09:51:36 +00:00
yangguo@chromium.org
184b7a8915 Experimental profiler: split RegExp.test() for better optimization. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9701064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11065 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-15 17:21:42 +00:00
pfeldman@chromium.org
26aaa3b005 Debugger: naive implementation of "step into Function.prototype.bind". 
Review URL: https://chromiumcodereview.appspot.com/9705018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11058 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-15 14:17:22 +00:00
mstarzinger@chromium.org
79a98de9f7 Fix declarations escaping global strict eval. 
According to ES5 10.4.2(3), eval calls of strict code always require
their own lexical and variable environment. For now we just add a new
scope when we parse the strict mode directive. The clean solution would
be to always have this sope present (even for global eval calls) and
adapt variable binding to cope with that.

R=rossberg@chromium.org
BUG=v8:1624
TEST=mjsunit/regress/regress-1624,test262/S10.4.2.1_A1

Review URL: https://chromiumcodereview.appspot.com/9703021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11057 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-15 13:02:21 +00:00
pfeldman@chromium.org
100bc51eae Debugger: add ability to set script source from within OnBeforeCompile. 
Review URL: https://chromiumcodereview.appspot.com/9677043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11054 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-15 11:51:26 +00:00
danno@chromium.org
beb012be45 Don't use an explicit s0 in ClampDoubleToUint8. 
R=fschneider@chromium.org
BUG=v8:2004
TEST=test/mjsunit/pixel-array-rounding.js

Review URL: https://chromiumcodereview.appspot.com/9702027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11053 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-15 09:52:48 +00:00
mstarzinger@chromium.org
2c7f0edd48 Fix wrapping of receiver for non-strict callbacks. 
R=rossberg@chromium.org
BUG=v8:1973
TEST=mjsunit/regress/regress-1973

Review URL: https://chromiumcodereview.appspot.com/9705020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11050 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-14 17:42:19 +00:00
rossberg@chromium.org
46001aa54c Function declarations shall not overwrite read-only global properties. 
R=mstarzinger@chromium.org
BUG=115452
TEST=mjsunit/regress/regress-115452

Review URL: https://chromiumcodereview.appspot.com/9696035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11043 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-14 13:51:00 +00:00
yangguo@chromium.org
754dc79066 MIPS: Added support for Loongson architectures. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9692048
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11032 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-13 16:18:30 +00:00
vegorov@chromium.org
262c8bddd5 Always create HArgumentsObject on function entry. 
We do not know if we are going to need it and creating it lazyly might cause us to insert it at the block that does not dominate all uses.

R=mstarzinger@chromium.org
TEST=mjsunit/compiler/inline-arguments.js

Review URL: https://chromiumcodereview.appspot.com/9692046

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11024 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-13 14:45:03 +00:00
kmillikin@chromium.org
7d6fd56fd5 Ensure there is a smi check of the receiver for global load and call ICs. 
There was a comment that, for such ICs specialized to the global object,
they were always contextual loads.  This is very brittle.  It is a
micro-optimization that relies too much on the way that things happen to
work today.

Instead, never omit the smi check because it's safer.

R=vegorov@chromium.org
BUG=117794
TEST=regress-117794.js

Review URL: https://chromiumcodereview.appspot.com/9691038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11022 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-13 11:39:30 +00:00
erik.corry@gmail.com
758638a53f Fix compile warning on 64 bit Windows. 
Review URL: https://chromiumcodereview.appspot.com/9690019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11013 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 15:26:05 +00:00
yangguo@chromium.org
7659beafb1 Ensure consistency of Math.sqrt on Intel platforms. 
BUG=
TEST=regress-sqrt.js

Review URL: https://chromiumcodereview.appspot.com/9690010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11012 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 14:56:04 +00:00
vegorov@chromium.org
da03f56b1f Inline functions that use arguments object in f.apply(o, arguments) pattern. 
Support arguments materialization after deoptimization in all frames (not only in topmost one).

R=fschneider@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9643001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11008 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 12:49:41 +00:00
erik.corry@gmail.com
03cfc4363b Fix input and output to handle UTF16 surrogate pairs. 
Review URL: https://chromiumcodereview.appspot.com/9600009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11007 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 12:35:28 +00:00
ulan@chromium.org
cb2f2a2391 Fix compile errors on Windows introduced by r10983. 
R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9652030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10987 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 13:01:32 +00:00
ulan@chromium.org
1767fef60b Implement date library functions in C++. 
Developed together with Andreas Rossberg based on:
  https://chromiumcodereview.appspot.com/9117034/
  https://chromiumcodereview.appspot.com/9307083/

R=rossberg@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9572008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 12:07:29 +00:00
rossberg@chromium.org
8604da7f06 New class for Date objects: caches individual date components. 
First step, cache slots not used yet.

R=ulan@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9117034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10981 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 11:11:55 +00:00
rossberg@chromium.org
dbb95bc5f0 Fix minifier to distinguish regexps from divisions (to some extent). 
Rrraaa, I have to say, doing program rewriting via regexp rules is an inherently broken idea...

R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9644001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 16:38:44 +00:00
rossberg@chromium.org
448b620dad Basic interface inference for modules. 
All module expressions, and all variables that might refer to modules,
are assigned interfaces (module types) that are resolved using
unification. This is necessary to deal with the highly recursive
nature of ES6 modules, which does not allow any kind of bottom-up
strategy for resolving module names and paths.

Error messages are rudimental right now. Probably need to track
more information to make them nicer.

R=svenpanne@chromium.org
BUG=v8:1569
TEST=

Review URL: https://chromiumcodereview.appspot.com/9615009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10966 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 13:03:07 +00:00
mstarzinger@chromium.org
1d89a176ec Implement Object.is and Number.is[Finite,NaN] functions. 
R=rossberg@chromium.org
TEST=mjsunit/object-is,mjsunit/number-is

Review URL: https://chromiumcodereview.appspot.com/9630009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10965 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 12:49:24 +00:00
yangguo@chromium.org
13689a4f13 Set debug break slot at init of loop variable in a for loop. 
BUG=102153
TEST=regress-102153.js

Review URL: https://chromiumcodereview.appspot.com/9625011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10963 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 10:21:43 +00:00
jkummerow@chromium.org
16f8a9545e Un-braindead-ify test-debug/DebugBreakLoop 
Review URL: https://chromiumcodereview.appspot.com/9623007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10962 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 08:09:27 +00:00
mstarzinger@chromium.org
4b4b3a4da7 Add kAbortIncrementalMarkingMask flag for GC. 
This adds an additional flag to control whether incremental marking
should be aborted when requesting a GC, providing a finer granularity
between kNoGCFlags and kMakeHeapIterableMask.

R=ulan@chromium.org
BUG=v8:1608

Review URL: https://chromiumcodereview.appspot.com/9608006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10961 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 17:52:16 +00:00
vegorov@chromium.org
47b6027c37 Add HeapProfiler::GetPersistentHandleCount to be able to track the number of persistent handles 
It turns out that an increasing number of persistent handles is a good signal for bugs in the bindings layer

BUG=none
TEST=cctest/test-heap-profiler/PersistentHandleCount

Review URL: https://chromiumcodereview.appspot.com/9620007
Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10960 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 17:38:50 +00:00
svenpanne@chromium.org
1729e3c0dd Make the runtime entry for setting/changing accessors "atomic". 
Previously, there were 1 or 2 calls to the runtime when accessors were changed
or set. This doesn't really work well with property attributes, leading to some
hacks and complicates things even further when trying to share maps in presence
of accessors. Therefore, the runtime entry now takes the full triple (getter,
setter, attributes), where the getter and/or the setter can be null in case they
shouldn't be changed.

For now, we do basically the same on the native side as we did before on the
JavaScript side, but this will change in future CLs, the current CL is already
large enough.

Note that object literals with a getter and a setter for the same property still
do 2 calls, but this is a little bit more tricky to fix and will be handled in a
separate CL.

Review URL: https://chromiumcodereview.appspot.com/9616016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10956 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 13:24:44 +00:00
mstarzinger@chromium.org
b732b2e32a Implement --download-data for test harness. 
This allows the test harness to download missing test suite data if
necessary. We use the bzip2 archive for test262 because it is faster
than cloning the repository and also works without any Mercurial
installation.

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9619002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10955 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 12:51:31 +00:00
yangguo@chromium.org
67540abe08 Fix compile with debuggersupport=off. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9546051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10952 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 10:57:36 +00:00
svenpanne@chromium.org
64340007e0 Never let the hole escape... 
Review URL: https://chromiumcodereview.appspot.com/9605042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10951 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 10:03:32 +00:00
yangguo@chromium.org
5440d43d42 Fix nosse2 tests. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9617004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10944 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-06 13:37:25 +00:00
yangguo@chromium.org
8f0ee36df3 Fix test-random test. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9616006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10942 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-06 12:21:42 +00:00
yangguo@chromium.org
20a6c9ba31 Inline Math.random in crankshaft (ia32). 
BUG=
TEST=cctest/test-random.cc

Review URL: https://chromiumcodereview.appspot.com/9615008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10939 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-06 11:31:51 +00:00
mstarzinger@chromium.org
8c2708de6d Fix Error.prototype.toString to throw TypeError. 
R=rossberg@chromium.org
BUG=v8:1980
TEST=mjsunit/function-call,mjsunit/regress/regress-1980

Review URL: https://chromiumcodereview.appspot.com/9568005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-05 13:57:48 +00:00
mstarzinger@chromium.org
240e818f0c Fix inlining of strict mode constructors. 
Inlined strict mode functions (that are not called as methods) will get
their receiver reset to undefined. This should not happen when inlining
constructors.

This change also simplifies the test suite to reuse the same closures
into which constructors get inlined and use gc() to force V8 to forget
collected type feedback.

R=vegorov@chromium.org
TEST=mjsunit/compiler/inline-construct

Review URL: https://chromiumcodereview.appspot.com/9597017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10920 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-05 12:46:50 +00:00
yangguo@chromium.org
4279f87395 Revert r10913. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9602006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10914 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-05 07:55:27 +00:00
yangguo@chromium.org
df78fcc384 Set x86 FPU precision to 64-bit for MinGW. Original patch by Jonathan Liu <net147@gmail.com>. 
BUG=v8:1062
TEST=test-strtod.cc

Review URL: https://chromiumcodereview.appspot.com/9599006
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10913 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-04 10:49:25 +00:00