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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
mstarzinger@chromium.org
7e6a69cfa8 Prepare push to trunk. Now working on version 3.7.11. 
R=jkummerow@chromium.org

Review URL: http://codereview.chromium.org/8679002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10051 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-23 11:56:52 +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
ricow@chromium.org
46f0a651cc MIPS: Reduced the number of threads in cctest test-lockers. 
Some MIPS boards could not handle the large number of threads and failed these tests.

BUG=
TEST=
Review URL: http://codereview.chromium.org/8506008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10048 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-23 08:36:03 +00:00
ricow@chromium.org
b642b780c2 Decrease number of threads in ExtensionRegistration tests for mips, current number is causing OOMs. 
This was fixed for arm in revision 10045
Review URL: http://codereview.chromium.org/8662003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10047 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-23 08:06:13 +00:00
ulan@chromium.org
e951d38261 Set the code age field of SharedFunctionInfo correctly. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/8554009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10046 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-22 19:46:00 +00:00
dslomov@chromium.org
4cedd762e5 Fix ExtensionsRegistration cctest on ARM. 
Reduced the number of created threads on ARM.

Review URL: http://codereview.chromium.org/8639007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10045 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-22 18:51:53 +00:00
fschneider@chromium.org
23e948b8a7 Set maximum length of FixedArray in terms of elements instead an absolute number of bytes. 
This sets the limit to 128M elements on all platforms. Before allocating a large array may
cause an OutOfMemory on x64 whereas it would not on ia32.

Also remove an unused constant from the FreeSpace class.

BUG=103103
Review URL: http://codereview.chromium.org/8637015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10044 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-22 16:02:26 +00:00
fschneider@chromium.org
be1a94b626 MIPS: Landing: [hydrogen] optimize switch with string clauses. 
Port r10019 (9bbb78bf)

Original commit message:
Patch by Fedor Indutny <fedor.indutny@gmail.com>.

BUG=
TEST=
Review URL: http://codereview.chromium.org/8574073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10043 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-22 13:51:56 +00:00
mstarzinger@chromium.org
de389f1d23 Remove unused runtime functions for literals. 
R=jkummerow@chromium.org

Review URL: http://codereview.chromium.org/8633007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10042 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-22 10:15:00 +00:00
jkummerow@chromium.org
ceea4fe6ee Minimal changes required to build d8 for Android 
Review URL: http://codereview.chromium.org/8554007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10041 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 15:01:52 +00:00
ricow@chromium.org
ec04dcfa0c Always create deopt data when using full-codegen if the function is optimizable 
Review URL: http://codereview.chromium.org/8611003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10040 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 14:07:46 +00:00
kmillikin@chromium.org
29b5ceb897 MIPS: Add a level of indirection to exception handler addresses. 
Port r9977 (9aded78be4).
Note: This is the port of the reapplied patch, not the original.

Original commit message:

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.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8557003
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10039 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 14:05:18 +00:00
mstarzinger@chromium.org
561b5716d7 Fix presubmit error for recent revision. 
R=fschneider@chromium.org

Review URL: http://codereview.chromium.org/8612003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10038 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 14:04:41 +00:00
mstarzinger@chromium.org
d7e099889e Implement code stub for object literal creation. 
This generates code stubs for cloning of shallow object literal
boilerplates that have no elements and only fast properties. Improves
splay performance because object literals are created frequently.

R=fschneider@chromium.org

Review URL: http://codereview.chromium.org/8598014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10036 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 13:27:44 +00:00
erikcorry
fa7ae22f4f Prepare push to trunk. Now working on version 3.7.10. 
Review URL: http://codereview.chromium.org/8612001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 13:06:13 +00:00
fschneider@chromium.org
8ebd1999f5 Propagate and combine constants in Hydrogen 
BUG=none
TEST=none
Review URL: http://codereview.chromium.org/8473002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10034 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 10:18:47 +00:00
keuchel@chromium.org
c4dfef9432 Partially revert r9734 due to crashes in dev and canary channel. 
This reverts the changes to the ScopeIterator from r9734 to the
previous implementation. The other changes in the commit to Parser,
Scope and (Serialized)ScopeInfo are retained.

BUG=104522,v8:1824,v8:1826

Review URL: http://codereview.chromium.org/8547007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10033 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-21 08:44:02 +00:00
erik.corry@gmail.com
296afb3e5d Remove more superfluous write barriers. 
Review URL: http://codereview.chromium.org/8595008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10032 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 14:09:41 +00:00
erik.corry@gmail.com
5c1044bb54 Add flag --collect-megamorphic-maps-from-stub-cache to help diagnose a 
memory leak.
Review URL: http://codereview.chromium.org/8599006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10031 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 14:08:57 +00:00
mikhail.naganov@gmail.com
a0f3c5d451 Really fix missing HandleScope to prevent local handles to DOMWindow leaking. 
A follow-up to r9994.

R=vitalyr@chromium.org
BUG=102895
TEST=cctests/test-heap-profiler/NoHandleLeaks

Review URL: http://codereview.chromium.org/8468016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 11:42:39 +00:00
yangguo@chromium.org
bbab532699 Fix debug builds. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/8595007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10029 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 11:16:58 +00:00
yangguo@chromium.org
5c23e4e57a Avoid explicitly using built-in new operator where possible to appease Windows build. 
Review URL: http://codereview.chromium.org/8561011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10028 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 11:08:46 +00:00
yangguo@chromium.org
f0878c8424 MIPS: Change generated code for substring not to bail out to runtime system. 
Port r10012 (09c6bcba81).

Original commit message:
There is no need to bail out to runtime system when creating sliced strings of external strings since the string content is unimportant.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8585041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10027 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 09:13:01 +00:00
yangguo@chromium.org
0bd29a1af6 Fixing compiler warning on gcc 4.6.1. 
BUG=v8:1831

Review URL: http://codereview.chromium.org/8597006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10026 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 09:10:19 +00:00
yangguo@chromium.org
6551e8d47d Removing exit time destructors by leaking static members. 
Note that some cctests and d8 still contain statical members with exit time destructors.

BUG=v8:1828

Review URL: http://codereview.chromium.org/8586025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10025 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-18 08:59:33 +00:00
danno@chromium.org
f808f4ae7b Optimize array literal boilerplate copy for fast cases. 
R=jkummerow@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8590026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10024 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 17:22:21 +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
danno@chromium.org
be923eed32 Add version of x64 FastCloneShallowArrayStub that copies all boilerplate kinds 
R=jkummerow@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8574058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10022 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 15:08:59 +00:00
danno@chromium.org
371841b270 Add ia32 FastCloneShallowArrayStub that copies all boilerplate kinds. 
R=jkummerow@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8574053

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10021 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 14:55:26 +00:00
fschneider@chromium.org
aa3004d21f MIPS: Fix lazy deoptimization at HInvokeFunction and enable target-recording call-function stub. 
Port r10006 (4b344a03).

Original commit message:

Changes the way we do lazy deoptimization:

1. For side-effect instructions, we insert the lazy-deopt call at
the following LLazyBailout instruction.

     CALL
     GAP
     LAZY-BAILOUT ==> lazy-deopt-call

2. For other instructions (StackCheck) we insert it right after the
instruction since the deopt targets an earlier deoptimization environment.

   STACK-CHECK
   GAP ==> lazy-deopt-call

The pc of the lazy-deopt call that will be patched in is recorded in the
deoptimization input data. Each Lithium instruction can have 0..n safepoints.
All safepoints get the deoptimization index of the associated LAZY-BAILOUT
instruction. On lazy deoptimization we use the return-pc to find the safepoint.
The safepoint tells us the deoptimization index, which in turn finds us the
PC where to insert the lazy-deopt-call.

Additional changes:
* RegExpLiteral marked it as having side-effects so that it
  gets an explicitlazy-bailout instruction (instead of
  treating it specially like stack-checks)
* Enable target recording CallFunctionStub to achieve
  more inlining on optimized code.

BUG=
TEST=
Review URL: http://codereview.chromium.org/8587008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10020 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 14:33:49 +00:00
fschneider@chromium.org
8fbf1d5017 Landing: [hydrogen] optimize switch with string clauses. Patch by Fedor Indutny <fedor.indutny@gmail.com>. 
Original code review: http://codereview.chromium.org/8373029/
Review URL: http://codereview.chromium.org/8589019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10019 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 13:57:55 +00:00
danno@chromium.org
3c5b91029b MIPS: Cleaned up an unused declaration in lithium-codegen-mips.h. 
DoDeferredBinaryOpStub is not used (or even defined) anywhere.
MIPS can handle special cases of div, which is the only place it's used in the ARM version.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8588005
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10018 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 13:36:27 +00:00
danno@chromium.org
b079140101 MIPS: Fixed a minor inconsistency in lithium-codegen-mips.cc 
EmitIsObject is only called from one function, DoIsObjectAndBranch.
DoIsObjectAndBranch now passes the temp2 register to EmitIsObject
instead of simply relying on the two functions using the same
lithium scratch register.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8588004
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10017 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 13:35:15 +00:00
danno@chromium.org
bef75b3496 MIPS: Re-work DoModI. 
Changes:
-separated the two code-paths (constant power of 2 divisor similar to ARM and everything else)
-replaced a bailout condition with faster handling (negative modulo result)
-removed a possibly useless mov instruction from one path
-replaced the IsConstantOperand condition with the more meaningful HasPowerOf2Divisor (although in this specific case they're equivalent)

BUG=
TEST=

Review URL: http://codereview.chromium.org/8591002
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10016 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 13:33:56 +00:00
danno@chromium.org
e99b92723d MIPS: Fix for Ins macro-assembler instruction for non-mips32r2 platforms. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/8520023
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10015 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 13:31:26 +00:00
danno@chromium.org
cfc54e4dac MIPS: Implement runtime function for array literal transitions. 
Port r9979(0cf0570a).

Original commit message:

Also simplify ia32 and x64 handing of the trace_elements_transition flag.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8557004
Patch from Gergely Kis <gregely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10014 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 13:27:58 +00:00
yangguo@chromium.org
85b693c9e8 Change generated code for substring not to bail out to runtime system. 
There is no need to bail out to runtime system when creating sliced strings of external strings since the string content is unimportant.

Review URL: http://codereview.chromium.org/8513016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10012 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 08:40:40 +00:00
ricow@chromium.org
08f69647d3 Prepare push to trunk. Now working on version 3.7.9. 
Review URL: http://codereview.chromium.org/8568042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-17 08:10:30 +00:00
vegorov@chromium.org
34b8e11d10 Reset allocation info when we are releasing the page that contains allocation top. 
R=erik.corry@gmail.com
BUG=103587

Review URL: http://codereview.chromium.org/8575006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10009 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-16 22:25:56 +00:00
yangguo@chromium.org
20786b32a2 Adding NetBSD support for scons build. 
BUG=v8:1678

Review URL: http://codereview.chromium.org/8513012
Patch from Matthew Sporleder <msporleder@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10008 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-16 14:35:47 +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
fschneider@chromium.org
8480569467 Fix lazy deoptimization at HInvokeFunction and enable target-recording call-function stub. 
Changes the way we do lazy deoptimization:

1. For side-effect instructions, we insert the lazy-deopt call at
the following LLazyBailout instruction.

     CALL
     GAP
     LAZY-BAILOUT ==> lazy-deopt-call

2. For other instructions (StackCheck) we insert it right after the
instruction since the deopt targets an earlier deoptimization environment.

   STACK-CHECK
   GAP ==> lazy-deopt-call

The pc of the lazy-deopt call that will be patched in is recorded in the
deoptimization input data. Each Lithium instruction can have 0..n safepoints.
All safepoints get the deoptimization index of the associated LAZY-BAILOUT
instruction. On lazy deoptimization we use the return-pc to find the safepoint.
The safepoint tells us the deoptimization index, which in turn finds us the
PC where to insert the lazy-deopt-call.

Additional changes:
 * RegExpLiteral marked it as having side-effects so that it 
   gets an explicitlazy-bailout instruction (instead of
   treating it specially like stack-checks)
 * Enable target recording CallFunctionStub to achieve
   more inlining on optimized code.

BUG=v8:1789
TEST=jslint and uglify run without crashing, mjsunit/compiler/regress-lazy-deopt.js
Review URL: http://codereview.chromium.org/8492004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10006 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-16 08:44:30 +00:00
svenpanne@chromium.org
ee2cd4289b Re-added missing return in HInferRepresentation::TryChange. 
It mysteriously disappeared about 800 revisions ago... :-} Thanks to Jakob for spotting this!

Review URL: http://codereview.chromium.org/8574036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10005 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-16 07:46:19 +00:00
vegorov@chromium.org
95ecaeb996 Fix presubmit errors introduced by r10002. 
TBR=erik.corry@gmail.com
Review URL: http://codereview.chromium.org/8520031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10004 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-16 01:44:17 +00:00
dslomov@chromium.org
e3ec8b20fc Presubmit failures fixed 
TBR=vitalyr@chromium.org

Review URL: http://codereview.chromium.org/8571017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10003 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-15 23:26:22 +00:00
vegorov@chromium.org
237401a5dd Introduce non auto-scaling mode in spinning balls benchmark. 
Review URL: http://codereview.chromium.org/8570017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10002 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-15 22:52:38 +00:00
dslomov@chromium.org
963ccfdaea Extension state made per-siolate in genesis 
BUG=http://code.google.com/p/v8/issues/detail?id=1821

Review URL: http://codereview.chromium.org/8536042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-11-15 22:48:55 +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