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Author SHA1 Message Date
kmillikin@chromium.org
a129c95a54 Revert "Fix a bug in scope analysis." 
This reverts r8783.

R=vegorov@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7550013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8794 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 17:02:24 +00:00
vegorov@chromium.org
db2d2b0c1b Don't use mprotect on Cygwin as virtual memory is managed directly via WinAPI calls. 
Patch by Bert Belder.

Review URL: http://codereview.chromium.org/7549009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 16:16:32 +00:00
vegorov@chromium.org
129a2ba06b Avoid uninitialized member warning on gcc 4.3.4 
Patch by Bert Belder.

Review URL: http://codereview.chromium.org/7553011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8791 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 16:02:33 +00:00
svenpanne@chromium.org
6f6c882e19 Fixed code generation for LBranch on ARM when the operand's representation is double. 
The condition code for branching on the result of vcmp was wrong, effectively
swapping the true/false branches.

TEST=regress-lbranch-double.js
Review URL: http://codereview.chromium.org/7553010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8784 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 15:14:12 +00:00
kmillikin@chromium.org
f37f6e88ca Fix a bug in scope analysis. 
Function declarations inside catch are hoisted to the nearest enclosing
function scope, but we compiled their bodies as if occurring inside the
catch scope.

BUG=chrome:91120
TEST=regress/regress-91120 attached

Review URL: http://codereview.chromium.org/7548011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8783 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 15:04:31 +00:00
danno@chromium.org
b333719607 Properly handle FixedDoubleArrays in sort() 
R=jkummerow@chromium.org
BUG=91008
TEST=regress-91008.js

Review URL: http://codereview.chromium.org/7542008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8782 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 14:05:11 +00:00
vegorov@chromium.org
9226cfe5b7 Ensure that GenerateStoreFastDoubleElement returns stored value on all paths. 
BUG=chromium:91013
TEST=test/mjsunit/regress/regress-91013.js
Review URL: http://codereview.chromium.org/7551009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8781 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 13:36:38 +00:00
vegorov@chromium.org
9f24cd0eef Mark optimized modulo and memcpy code pages -w after writing them. 
BUG=91245

Review URL: http://codereview.chromium.org/7538028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8780 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 13:34:52 +00:00
vegorov@chromium.org
a547d333f0 Check for phi-uses of arguments object before eliminating dead phi's. 
HGraphBuilder::TryArgumentsAccess does not emit any uses for receiver and will generate incorrect code when receiver for a property access is defined by a phi that returns either arguments object or something else.
 
BUG=v8:1582
TEST=test/mjsunit/regress/regress-1582.js
Review URL: http://codereview.chromium.org/7553006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8774 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 09:32:28 +00:00
danno@chromium.org
008f834117 Properly handle FastDoubleArrays in Runtime_MoveArrayContents 
BUG=91013
TEST=regress91013.js

Review URL: http://codereview.chromium.org/7551004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8773 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-02 09:28:55 +00:00
yangguo@chromium.org
6bc1aa0db2 Fixed: regression in issue 1579 concerning readline() in d8. 
BUG=v8:1579

Review URL: http://codereview.chromium.org/7537023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8771 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-01 14:15:02 +00:00
svenpanne@chromium.org
ddf38624b5 Tiny cleanup. 
Review URL: http://codereview.chromium.org/7541020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-01 13:35:11 +00:00
svenpanne@chromium.org
3d4ab9be07 Implement type recording for ToBoolean on x64. 
Handle oddballs on ia32 via root indices, similar to other platforms. Added a
special case for Smi types on ia32 to make lithium code generation on both Intel
platforms more similar.
Review URL: http://codereview.chromium.org/7544012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8767 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-01 12:53:24 +00:00
jkummerow@chromium.org
15c979eeaa Make window.{undefined,NaN,Infinity} read-only 
as per ES5.

BUG=89490
TEST=es5conform 15.1.*, 15.2.3.*; mjsunit/undeletable-functions

Review URL: http://codereview.chromium.org/7538016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8766 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-01 12:18:03 +00:00
vegorov@chromium.org
0a470aa578 Prepare push to trunk. Now working on 3.5.3. 
Review URL: http://codereview.chromium.org/7538017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8764 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-01 11:10:33 +00:00
yangguo@chromium.org
15b13fac8e String to ascii char array converter for debug mode. 
Review URL: http://codereview.chromium.org/7523052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8763 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-29 09:49:40 +00:00
fschneider@chromium.org
6637fa2835 Revert r8753. 
It caused a regressions in compile time in the optimizing compiler. I'm reverting until
the reason for this is identified and fixed.

TBR=whesse@chromium.org
Review URL: http://codereview.chromium.org/7453024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-29 09:14:00 +00:00
mstarzinger@chromium.org
eef3e8739e Reintroduced dictionary that can use objects as keys. 
R=vitalyr@chromium.org
TEST=cctest/test-dictionary

Review URL: http://codereview.chromium.org/7385006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8761 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 17:21:22 +00:00
svenpanne@chromium.org
3ce397f975 Optimization: Do not assign an environment to LBranch when are sure that we will never deopt later. 
Review URL: http://codereview.chromium.org/7524025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8760 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 14:56:08 +00:00
svenpanne@chromium.org
d9c2e28a32 Tiny cleanup of LCodeGen::DoBranch. 
Review URL: http://codereview.chromium.org/7482044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8759 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 14:31:16 +00:00
svenpanne@chromium.org
e48ec1c4bd Use type info for the ToBoolean translation in crankshaft. 
To do this, the Branch instruction needs to carry around a temporary register,
but only when the crankshafted code will make a map access. When the
crankshafted code sees an object of a type it hasn't encountered before, it will
always trigger a deopt. Another option in theses cases would be calling a
ToBooleanStub which can handle all types, but then one has to be careful to
*not* trigger a GC (which is currently a bit tricky to achieve).

Const-corrected ToBoolean::Types. Moved the NeedsMap logic into ToBoolean::Types
itself, where it belongs.

This patch improves a lot of benchmarks, crypto-orig even by 16.7%, but slows
down others. The slowdown has to be investigated, but I'd like to get this patch
out first to fix the flakiness problems we currently have due to the previous
crankshafted ToBoolean.
Review URL: http://codereview.chromium.org/7461107

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8758 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 13:33:51 +00:00
ricow@chromium.org
588d039433 Fix win64 debug mode compilation 
Review URL: http://codereview.chromium.org/7482042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8757 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 12:34:37 +00:00
keuchel@chromium.org
dfb195550f Fix calculation of 'scope_calls_eval' when 'eval' is within a nested catch. 
BUG=
TEST=mjsunit/scope-calls-eval.js

Review URL: http://codereview.chromium.org/7464030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 12:17:36 +00:00
whesse@chromium.org
b10a1141b5 Add tracing of the stack height to full code generator. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/7097011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8755 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 10:17:41 +00:00
fschneider@chromium.org
2ff0383c7c Fix presubmit error. 
TBR=ricow@chromium.org
Review URL: http://codereview.chromium.org/7523025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8754 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 09:34:14 +00:00
fschneider@chromium.org
b87a0e5a22 Simplifications and cleanup of range analysis code. 
Landing two patches contributed by Andy Wingo:

http://codereview.chromium.org/7514040/ and

http://codereview.chromium.org/7516001/
Review URL: http://codereview.chromium.org/7520022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8753 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 09:19:57 +00:00
ricow@chromium.org
1cad334d1b Prepare push to trunk. Now working on 3.5.2. 
Review URL: http://codereview.chromium.org/7522015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8750 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-28 07:31:21 +00:00
danno@chromium.org
d7641b89aa Re-activate unboxed double arrays by default. 
R=svenpanne@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7477047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8749 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-27 15:29:02 +00:00
danno@chromium.org
b7300c6fb1 Fix FixedDoubleArray crashes in chromebot 
R=ricow@chromium.org
BUG=non
TEST=running urls from reliability bots

Review URL: http://codereview.chromium.org/7497010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8748 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-27 15:08:50 +00:00
fschneider@chromium.org
4ac6f0253f Record safepoint at calls ToBooleanStub. 
This fixes the issues when GC happens when invoking
ToBooleanStub.
Review URL: http://codereview.chromium.org/7465066

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8747 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-27 14:56:36 +00:00
whesse@chromium.org
4cba3faf71 Ensure that a string is flattened when entering JsonParser::ParseJson. Fixes issue v8:1572. 
BUG=v8:1572
TEST=mjsunit/regress/regress-crbug-l84186.js

Review URL: http://codereview.chromium.org/7480044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-27 14:34:59 +00:00
danno@chromium.org
e4e83422bc Allow GVN to separately optimize FastDoubleArrays 
R=fschneider@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7488016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-26 16:31:11 +00:00
vitalyr@chromium.org
42a2b4ede7 Improve fast to slow elements conversion: 
o Use a more strict limit for old arrays.

o Initial capacity of a slow elements dictionary should be the number
  of used elements and not the old array capacity.

R=danno@chromium.org

Review URL: http://codereview.chromium.org/7464032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8744 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-26 13:56:21 +00:00
fschneider@chromium.org
6c58013b36 Fix presubmit error. 
TBR=whesse@chromium.org
Review URL: http://codereview.chromium.org/7470016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-26 10:24:14 +00:00
fschneider@chromium.org
41ac29d0f4 Landing http://codereview.chromium.org/7514005/ 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8742 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-26 10:12:37 +00:00
yangguo@chromium.org
635a9f72ef Fixed win64 compiler warnings for D8 (static type casting). 
Review URL: http://codereview.chromium.org/7470014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8741 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-26 08:15:49 +00:00
ricow@chromium.org
4022089144 Update oom_dump README to indicate that people should build the correct V8 version. 
Review URL: http://codereview.chromium.org/7198021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8740 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-26 06:03:36 +00:00
ricow@chromium.org
950feb6940 Switch from sample shell to d8 for unit test 
Landing for yangguo to coordinate with buildbot update.

Original codereview: http://codereview.chromium.org/7282008/
Review URL: http://codereview.chromium.org/7495033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8739 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-26 05:56:45 +00:00
danno@chromium.org
a923a94d6d remove dead code in fast double elements 
* src/x64/lithium-codegen-x64.cc (DoLoadKeyedFastDoubleElement)
  (DoStoreKeyedFastDoubleElement): Remove set but unused variables.

BUG=
TEST=Fixes a build with gcc-4.6.

Review URL: http://codereview.chromium.org/7491041
Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8738 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 15:43:41 +00:00
jkummerow@chromium.org
0aab25fabf Fix: FunctionTemplate::SetPrototypeAttributes broke prototype object 
BUG=v8:1539
TEST=cctest test-api/SetPrototypeAttributes

Review URL: http://codereview.chromium.org/7324027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8737 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 15:01:45 +00:00
svenpanne@chromium.org
8ebf3993d6 Record ToBoolean's type information in Hydrogen's HBranch instruction, so we can use it in LCodeGen::DoBranch later. 
Review URL: http://codereview.chromium.org/7491043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8736 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 14:08:36 +00:00
fschneider@chromium.org
561d0cf228 Better range information for logical shift right >>>. 
If the input range is positive and the shift count is constant
we can replace >>> with >> to compute the output range.

For negative inputs, we can only compute a range if the 
result always fits into a signed int32.

BUG=v8:1510
Review URL: http://codereview.chromium.org/7489043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 13:28:35 +00:00
ricow@chromium.org
6ce628cb31 Prepare push to trunk. Now working on 3.5.1. 
Review URL: http://codereview.chromium.org/7493055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8732 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 10:51:46 +00:00
ricow@chromium.org
b1115ec2d3 Revert r8719 - Enable unboxed double arrays by default. 
It causes relibility bot crashes
Review URL: http://codereview.chromium.org/7461061

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8731 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 10:24:14 +00:00
svenpanne@chromium.org
414966a72d Removed forgotten debugging code. 
Review URL: http://codereview.chromium.org/7492042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8730 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 07:49:36 +00:00
whesse@chromium.org
96b07762ba Fix compilation error in ia32 platform valgrind tests. Error was introduced in r8721. 
Review URL: http://codereview.chromium.org/7495025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8729 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-25 06:58:54 +00:00
mikhail.naganov@gmail.com
6894716121 v8: Move DeleteEmpty test to test-list.cc 
BUG=None
TEST=None

Signed-off-by: Thiago Farina <tfarina@chromium.org>

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8728 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-24 17:59:59 +00:00
danno@chromium.org
1f9801bb9e Fix bug in ARM pixel array clamping 
Properly handle undefined conversion to zero in Crankshaft.

R=yangguo@chromium.org
BUG=none
TEST=regress-1563.js

Review URL: http://codereview.chromium.org/7461028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-22 16:01:53 +00:00
svenpanne@chromium.org
73f8cec70e Do not explicitly record undetectable objects in the ToBoolean stub. 
Loading the map within the stub already implies a check for an undetectable
object, so there is no need to record this separately. Furthermore, this brings
the size of the type info to record down to 8 bits, removing the need to find a
place for the ninth bit in the Code object. ;-)
Review URL: http://codereview.chromium.org/7484022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8722 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-22 12:42:40 +00:00
whesse@chromium.org
c081c550d6 Update valgrind.h. Codereview http://codereview.chromium.org/7468002 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8721 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-22 11:22:29 +00:00