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Author SHA1 Message Date
fschneider@chromium.org
cac3008437 [hydrogen] optimize switch with string clauses 
Hydrogen should optimize not only SMI clauses, but clauses with string literals
too.

Patch from fedor.indutny <fedor.indutny@gmail.com>.

R=vegorov@chromium.org
BUG=
TEST=
Review URL: http://codereview.chromium.org/8373029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9901 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-08 09:08:33 +00:00
svenpanne@chromium.org
36b715b1bd Refactoring only: Make the handling of PropertyType more explicit. 
Do not rely on 'default' clauses or 'if's when analysing a PropertyType, because
this makes it hard to find the relevant places when a new type is added. Note
that the detection of "phantom property types" is left untouched, because this
might have a performance impact, especially for the GC (to be investigated).

This is a preliminary step for introducing a new kind of map transition.

Review URL: http://codereview.chromium.org/8491016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9900 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-08 08:42:13 +00:00
erik.corry@gmail.com
b9a2d181a1 Revert accidental commit that messed up the incremental speed heuristics. 
Review URL: http://codereview.chromium.org/8467014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9899 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 14:00:02 +00:00
keuchel@chromium.org
c0d0bf863a Revert r9870 due to browser-test failures. 
This reverts commit 4d5b5f12aac932ad892c7b6f152b6168708d4210.

Review URL: http://codereview.chromium.org/8493006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9896 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 12:33:58 +00:00
ricow@chromium.org
3a41613340 Optimize format message to not use DefineOwnProperty and freeze, do these inline 
Review URL: http://codereview.chromium.org/8494005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9893 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 10:50:39 +00:00
erik.corry@gmail.com
52b1457fac Don't set the limit that triggers the next GC higher than the max 
old space size.
Review URL: http://codereview.chromium.org/8491009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9892 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 10:35:24 +00:00
yangguo@chromium.org
cfc6f31e59 MIPS: Adding assertions to fast elements conversion. 
Port r9875 (97dc1e0e).

BUG=
TEST=

Review URL: http://codereview.chromium.org/8467008
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9891 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 10:31:54 +00:00
jkummerow@chromium.org
5bbd86bc22 Prepare push to trunk. Now working on version 3.7.5. 
R=yangguo@chromium.org

Review URL: http://codereview.chromium.org/8492005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9888 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 10:08:24 +00:00
keuchel@chromium.org
aad9e50fb4 MIPS: Remove some initialization checks based on source positions. 
Port r9870 (959ec43).

Original commit message:

This depends on
http://codereview.chromium.org/8352039 and
http://codereview.chromium.org/8423005 .

BUG=
TEST=

Review URL: http://codereview.chromium.org/8467007
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9887 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 09:42:54 +00:00
ricow@chromium.org
086ae44213 Optimize DefineOneShotAccessor in messages.js to not call DefineOwnProperty. 
Review URL: http://codereview.chromium.org/8490008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9886 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 09:30:28 +00:00
jkummerow@chromium.org
9fa02bc5dd MIPS: Cleanup: use JumpIf[Not]Smi() whenever we can 
Port r8322 (7b8b4a951f).

BUG=
TEST=

Review URL: http://codereview.chromium.org/8428004
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9885 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-07 08:41:47 +00:00
jkummerow@chromium.org
f33e9909a6 Override product_extension instead of product_version to set SONAME for Linux shared library 
BUG=v8:1786

Review URL: http://codereview.chromium.org/8462006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9884 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-04 14:47:13 +00:00
mstarzinger@chromium.org
bca8d42e3b Revert r9596 due to page-cycler regressions. 
R=vegorov@chromium.org

Review URL: http://codereview.chromium.org/8463006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9883 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-04 13:05:16 +00:00
jkummerow@chromium.org
9625d5d4a0 Fix Array.{splice,slice} to set proper ElementsKind of result 
TEST=mjsunit/elements-kind.js

Review URL: http://codereview.chromium.org/8430036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9882 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-04 12:47:58 +00:00
jkummerow@chromium.org
f2787a42b0 Fix JSObject::EnsureCanContainElements to correctly iterate over Arguments 
TEST=mjsunit/elements-kind.js

Review URL: http://codereview.chromium.org/8437094

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9881 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-04 12:31:44 +00:00
jkummerow@chromium.org
8450c60d47 Fix Runtime_ArrayConcat to handle FAST_DOUBLE_ELEMENTS 
TEST=mjsunit/elements-kind.js; stanford-crypto-sha256-iterative in debug mode

Review URL: http://codereview.chromium.org/8334028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9880 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-04 12:19:35 +00:00
yangguo@chromium.org
2944545888 Adding assertions to fast elements conversion. 
Review URL: http://codereview.chromium.org/8437092

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9875 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 16:24:24 +00:00
keuchel@chromium.org
48fed9a8ab Clean up Scope::CollectUsedVariables. 
Review URL: http://codereview.chromium.org/8438071

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 14:50:19 +00:00
mstarzinger@chromium.org
0bbfb46aa6 Fix Harmony sets and maps to allow undefined as keys. 
This uses a global sentinel as a replacement for undefined keys, which
are not supported internally but required for Harmony sets and maps.

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

Review URL: http://codereview.chromium.org/8439069

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9873 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 14:33:58 +00:00
keuchel@chromium.org
ea18539244 Tune context allocation for variables accessed from inner scopes. 
After introduction of with scopes we have enough static information to omit
context allocation in the case that a variable is accessed from a nested block
or catch scope of the same function. Only variables accessed from the inside of
a nested function or with scope are forced to be allocated in the context.

This essentially reverts
http://code.google.com/p/v8/source/detail?r=9281 .
which in turn reverted an earlier change.

Review URL: http://codereview.chromium.org/8431001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9872 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 14:33:46 +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
fd21937812 Remove some initialization checks based on source positions. 
This depends on
http://codereview.chromium.org/8352039 and
http://codereview.chromium.org/8423005 .

Review URL: http://codereview.chromium.org/8422010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9870 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 12:05:48 +00:00
keuchel@chromium.org
58123bff56 Remove some unnecessary binding initialization checks. 
This depends on http://codereview.chromium.org/8352039/ .

Review URL: http://codereview.chromium.org/8423005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9869 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 11:59:51 +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
keuchel@chromium.org
80d1b898fb Fix gcc-4.6 warnings. 
BUG=v8:1806

Review URL: http://codereview.chromium.org/8386072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9867 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 08:59:01 +00:00
kmillikin@chromium.org
224bbad462 MIPS: Add and use ElementsKind side effect 
Port r9847 (fc7590).

Original commit message:

Also partition side effects into observable and not observable, with only observable requiring Simulates and non-observable changes able to participate in GVN and code hoisting.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8387044
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9866 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 08:58:37 +00:00
kmillikin@chromium.org
7dac2367c0 MIPS: Remove the forward-bailout stack from the non-optimizing compiler. 
Port r9863 (0996dc77)

Original commit message:
This was pretty heavyweight.  It was kept in just for a few corner cases
that assumed it was there.  We can work around them by making sure that the
expression in a reified test context is always really the expression that
was visited in that context; and by inspecting the context manually and
consing up a pair of extra AST IDs for the unusual case of unary not in a
value AST context.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8372085
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9865 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 08:57:56 +00:00
yangguo@chromium.org
aaba9d8f9d Implement VirtualMemory on FreeBSD to fix build. 
BUG=v8:1807

Review URL: http://codereview.chromium.org/8439068
Patch from Ben Noordhuis <info@bnoordhuis.nl>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9864 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-03 08:33:06 +00:00
kmillikin@chromium.org
4e4a901d96 Remove the forward-bailout stack from the non-optimizing compiler. 
This was pretty heavyweight.  It was kept in just for a few corner cases
that assumed it was there.  We can work around them by making sure that the
expression in a reified test context is always really the expression that
was visited in that context; and by inspecting the context manually and
consing up a pair of extra AST IDs for the unusual case of unary not in a
value AST context.

R=fschneider@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8386037

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9863 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-02 16:53:32 +00:00
ulan@chromium.org
307b589e61 Fix error introduced in r9431, which leads to redundant lookup when setting property with handler. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/8386030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9862 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-02 13:04:59 +00:00
danno@chromium.org
5c40d7a55d Enable VFP instructions for Android. 
R=jkummerow@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8437047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9861 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-02 10:57:03 +00:00
fschneider@chromium.org
f3f16dc17a Make non-templatized versions of LIR printing functions. 
This avoid duplicating the code for each template instance.

Also remove dead code from different places in our code base.

Removed some verification code from release builds.
Review URL: http://codereview.chromium.org/8387070

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9860 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-02 08:32:40 +00:00
fschneider@chromium.org
acf8fd28bd MIPS: Merge IR classes for different bitwise operations AND, OR and XOR into one class. 
Port r9846 (4cd055a).

Original commit message:

Since we already have only one LIR class, it does not make much sense to separate them at the HIR level.

BUG=
TEST=
Review URL: http://codereview.chromium.org/8432010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9859 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-01 16:13:05 +00:00
fschneider@chromium.org
aa34b432de Remove one-line helper used in two places. 
Review URL: http://codereview.chromium.org/8387067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9858 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-01 12:25:18 +00:00
whesse@chromium.org
7a25c43a07 Remove stack height tracking from ia32 non-optimizing code generator. 
Review URL: http://codereview.chromium.org/8340023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9857 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-01 12:20:46 +00:00
fschneider@chromium.org
d418a11fdd Use placement-new for zone-allocation in the Lithium classes. 
This avoid calling Isolate::Current on each zone-allocation of
a Lithium object.
Review URL: http://codereview.chromium.org/8429001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9856 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-01 11:49:31 +00:00
fschneider@chromium.org
97c3750fd8 Fix bug introduced by my refactoring of bitwise HIR instructions. 
DataEquals was not overridden properly.
Review URL: http://codereview.chromium.org/8387066

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9855 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-01 11:35:54 +00:00
lrn@chromium.org
65b9ab93af Merged Scanner and JavaScriptScanner. 
JavaScriptScanner had become the only concrete subclass of Scanner, so there
was no longer a need for the distinction.

Also fixed up comments.

Review URL: http://codereview.chromium.org/8384003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9854 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-01 07:47:15 +00:00
vegorov@chromium.org
858320725b Split incremental marking write barrier into fast and slow paths. 
Force inlining of the fast path.

Force inlining LiteralBuffer::AddChar and Scanner::AddLiteralChar.

R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8431010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9853 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 20:59:28 +00:00
ulan@chromium.org
da49e4d83d Convert array index to integer when computing pause distribution for spinning-balls. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/8430006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9852 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 17:26:59 +00:00
ulan@chromium.org
e67096aded Allow to set a time limit for spinning-balls and output the pause distribution at the end. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/8428002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9851 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 17:05:37 +00:00
keuchel@chromium.org
6b533c315a Fix unwanted implicit conversion from bool to int. 
We have the following signatures:
VariableProxy* Scope::NewUnresolved(Handle<String> name,
                                    int position = RelocInfo::kNoPosition);

bool Parser::inside_with() const;

Review URL: http://codereview.chromium.org/8427001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9850 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 15:04:27 +00:00
danno@chromium.org
75585d9643 Create stub and runtime function for ia32 full-codegen array literal element initialization. 
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8359014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9849 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 14:42:06 +00:00
jkummerow@chromium.org
669bfc0363 Optimize JS date implementation for smi-only arrays 
Review URL: http://codereview.chromium.org/8409010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9848 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 14:39:21 +00:00
danno@chromium.org
0766a138a6 Add and use ElementsKind side effect 
Also partition side effects into observable and not observable, with only observable requiring Simulates and non-observable changes able to participate in GVN and code hoisting.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8380017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9847 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 14:15:10 +00:00
fschneider@chromium.org
0df9569fe5 Merge IR classes for different bitwise operations AND, OR and XOR into one class. 
Since we already have only one LIR class, it does not make much sense to separate
them at the HIR level.
Review URL: http://codereview.chromium.org/8426005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9846 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 13:06:26 +00:00
kmillikin@chromium.org
d00b82ff91 MIPS: updated atomic operations. 
Specifically:
-fixed a bug in CompareAndSwap that caused randomly occuring timeouts on MIPS boards.
-added gcc inline asm control push/pop instructions to correctly save/restore the reorder setting instead of simply assuming it should be enabled.
-reordered/optimized some instructions to utilize MIPS-specific pipelining features (branch delay slot).
-fixed improper usage of write barriers

BUG=
TEST=

Review URL: http://codereview.chromium.org/8413073
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9845 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 12:47:02 +00:00
kmillikin@chromium.org
ee3197d309 MIPS: Handlify CompileConstructStub and the remaining CallStubCompiler functions. 
Port r9837 (38061af).
Port r9834 (95ac04).

Original commit message (r9834):
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.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8400087
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9844 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 12:36:11 +00:00
kmillikin@chromium.org
3ba063197d MIPS: Fixed wrong register usage in StringDictionaryLookupStub::GenerateNegativeLookup. 
This fixes a lot of test failures triggered by r9834, for example mjsunit/const-redecl.js.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8417050
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9843 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 12:34:13 +00:00
mstarzinger@chromium.org
358d7c2078 Adapt date test to be timezone independant. 
R=yangguo@chromium.org
BUG=v8:1792
TEST=mjsunit/date

Review URL: http://codereview.chromium.org/8423004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9842 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-31 11:15:23 +00:00