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Author SHA1 Message Date
ager@chromium.org
827575b0e9 Optimize sine and cosine by checking up front if the fsin or fcos 
operation can throw an exception.

Review URL: http://codereview.chromium.org/504073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3506 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-21 12:08:59 +00:00
kasperl@chromium.org
9c627d6ba3 The number of heap slots stored in a scope includes the 
fixed contexts slots. Take this into account when using
the new, fast context creation path to avoid allocating
too many slots (wasteful).
Review URL: http://codereview.chromium.org/501148

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3505 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-21 10:24:11 +00:00
erik.corry@gmail.com
73fcafd650 Bring back the fisttp instruction on machines with SSE3, but check the 
input so we don't have to check the exception flags afterwards.
Review URL: http://codereview.chromium.org/509001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3504 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-21 08:32:20 +00:00
kmillikin@chromium.org
e1b13fc351 Disallow garbage collection at another site in the LoadCallback ICs. 
MacroAssembler::PopHandleScope emits a runtime call (through a stub),
which should not be allowed to perform a GC but return a failure
instead.

BUG=30790
TEST=none

Review URL: http://codereview.chromium.org/504071

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-20 08:40:13 +00:00
peter.rybin@gmail.com
d3e63a319b Reapply "wait for connection" feature implementation 
Review URL: http://codereview.chromium.org/491079


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3500 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 20:30:29 +00:00
kasperl@chromium.org
64e443768e Recommit r3494 after fixing stupid mistake where the deferred code stub didn't know it was reversed. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3499 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 13:47:58 +00:00
lrn@chromium.org
9b0a967cae Fast-codegen: Adding support for try/catch and throw. 
Still no support for lookup-variables, so we bailout if using the catch variable.

Review URL: http://codereview.chromium.org/501076


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3498 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 13:38:28 +00:00
antonm@chromium.org
f8b9e6dd5b Force mark sweep instead of compcation if size of map space is too big to allow forward pointers encoding. 
Review URL: http://codereview.chromium.org/507025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3497 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 13:38:09 +00:00
kasperl@chromium.org
12866185ea Revert r3495 - some weird corner case is broken. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 13:14:37 +00:00
kasperl@chromium.org
0b4e755047 Improve code generated for left shifts where the left side 
is a constant by avoiding a few checks.
Review URL: http://codereview.chromium.org/504057

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 13:07:02 +00:00
kasperl@chromium.org
56a6b0cdff Convert the rest of the sar(xxx, kSmiTagSize) to SmiUntag(xxx). 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3494 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 11:20:25 +00:00
kasperl@chromium.org
546b99b79f Refactor smi tagging and untagging on IA-32. 
Review URL: http://codereview.chromium.org/501113

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3493 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 11:13:33 +00:00
erik.corry@gmail.com
0553c7feb9 Optimize bitops with non-Smi inputs. Instead of converting both inputs 
to floating point and then converting back we convert directly to a
32 bit integer.  In addition the bit twiddling implementation of float-
to-integer conversion has been ported from ARM.  Testing has shown that
this runs faster than the x87 or SSE3 rounding instructions.  This change
is IA32 only.  There may be a smaller benefit from doing the same on x64.
Review URL: http://codereview.chromium.org/506052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3492 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 09:33:24 +00:00
sgjesse@chromium.org
c7c821fdfb Prepare push to trunk. We are now working on version 2.0.6 
Review URL: http://codereview.chromium.org/504056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3489 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 08:21:21 +00:00
bak@chromium.org
93bbe2acdc added else 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3488 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 06:58:45 +00:00
bak@chromium.org
07742f5672 -Inlined double variant of compare iff one of the sides is a constant smi and it is not a for loop condition. 
Review URL: http://codereview.chromium.org/507040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3487 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 06:38:12 +00:00
iposva@chromium.org
13febb2585 - Handle HeapNumbers in deferred code instead of jumping to stub 
for DeferredInlineBinaryOperations.

Review URL: http://codereview.chromium.org/502067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3486 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-18 01:43:50 +00:00
kasperl@chromium.org
914d4f801d Optimize the allocation of small, non-nested literal 
arrays and argument objects on IA-32.
Review URL: http://codereview.chromium.org/503042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 15:35:15 +00:00
kmillikin@chromium.org
6af6a82ae3 Streamline the calling convention of the call ICs by passing the 
property name in a register rather than on the stack below the
receiver and arguments.

Implemented only for IA32, passing the name in the ecx register to
match the calling convention of the load ICs.

Review URL: http://codereview.chromium.org/502028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3484 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 10:23:20 +00:00
kasperl@chromium.org
a3aa9e96ef Don't bother callling into the ProducerHeapProfile methods 
if logging producers is turned off.
Review URL: http://codereview.chromium.org/500092

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3483 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 09:16:44 +00:00
kasperl@chromium.org
f4251cc42c Enable fast allocation of context objects on IA-32. 
Review URL: http://codereview.chromium.org/507035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3482 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 08:53:19 +00:00
sgjesse@chromium.org
44b7c59eb5 Extend the maximum size map space 
On 32-bit the maps are now aligned on a 32-byte boundary in order to encode more maps during compacting GC. The actual size of a map on 32-bit is 28 bytes making this change waste 4 bytes per map.

On 64-bit the encoding for compacting GC is now using more than 32-bits and the maps here are still pointer size aligned. The actual size of a map on 64-bit is 48 bytes and this change does not intruduce any waste.

My choice of 16 bits for kMapPageIndexBits for 64-bit should give the same maximum number of pages (8K) for map space. As maps on 64-bit are larger than on 32-bit the total number of maps on 64-bit will be smaller than on 32-bit. We could consider raising this to 17 or 18.

I moved the kPageSizeBits to globals.h as the calculation of the encoding really depended on this.

There are still an #ifdef/#endif in objects.h and this constant could be moved to globaks.h as well, but I kept it together with the related constants.

All the tests run in debug mode with additional options --gc-global --always-compact as well (except for a few tests on which also fails before this change when run with --gc-global --always-compact).

BUG=http://code.google.com/p/v8/issues/detail?id=524
BUG=http://crbug.com/29428
TEST=test/mjsunit/regress/regress-524.js

Review URL: http://codereview.chromium.org/504026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3481 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 08:53:18 +00:00
kasperl@chromium.org
51aa605e62 Fix ARM and x64 tests in debug mode after r3477. 
TBR=ager@chromium.org
Review URL: http://codereview.chromium.org/500090

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3480 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 07:35:12 +00:00
iposva@chromium.org
1fa340ff9c - Fix x64 build. 
Review URL: http://codereview.chromium.org/500089

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3479 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 07:18:05 +00:00
iposva@chromium.org
4380812b39 - Undo unfortunate renaming of StaticType. 
Review URL: http://codereview.chromium.org/506050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3478 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-17 06:21:50 +00:00
kasperl@chromium.org
b1721d4c3e Improve performance of allocating closures for nested 
functions by allocating them in new space without
entering the runtime system.
Review URL: http://codereview.chromium.org/506037

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3477 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-16 15:43:20 +00:00
kmillikin@chromium.org
e7fd8bb56e Prepare push to trunk. We are now working on version 2.0.5. 
Review URL: http://codereview.chromium.org/502031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3474 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-16 15:23:25 +00:00
lrn@chromium.org
482d434f4d Fast codegen: Implement with. 
Review URL: http://codereview.chromium.org/491077


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3473 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-16 09:51:07 +00:00
yurys@chromium.org
bb0431b097 Fix presubmit error: remove whitespace 
TBR=sgjesse
Review URL: http://codereview.chromium.org/504012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-15 09:34:00 +00:00
yurys@chromium.org
e88df5b792 Ignore debug break events when bootstrapper is active. Collecting debug data when the context is not yet setup may lead to subtle errors like in the following Chromium bug: http://crbug.com/28933 
Review URL: http://codereview.chromium.org/497006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3465 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-15 09:17:15 +00:00
vitalyr@chromium.org
fce227ea77 stats-viewer.py: support passing test_shell pid. 
Review URL: http://codereview.chromium.org/496010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-14 17:05:38 +00:00
vitalyr@chromium.org
f83180a1eb Updated stats-viewer.py to work with chromium. 
Review URL: http://codereview.chromium.org/473002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3463 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-14 16:13:52 +00:00
kasperl@chromium.org
f0b00d7f02 Do a fast check for undefined values when comparing. 
Review URL: http://codereview.chromium.org/496008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-14 12:18:20 +00:00
lrn@chromium.org
9ff5f9daed Fast-codegen: Implementing try/finally on top of nesting context. 
Review URL: http://codereview.chromium.org/492002


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3461 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-14 11:09:25 +00:00
erik.corry@gmail.com
d225baa2b5 Modified SConstruct to enable building of shared library 
with hidden visibility on Mac OS X.  Patch from
Abdulla Kamar. http://codereview.chromium.org/475002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3460 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-14 10:20:35 +00:00
kasperl@chromium.org
4839eb611f Try to make the contextuality check in the IC code faster 
by checking if the receiver is a global object before diving
into traversing reloc info.
Review URL: http://codereview.chromium.org/491075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3459 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-14 09:54:13 +00:00
sgjesse@chromium.org
f74429b917 Reverted r3457 
Caused compilation errors in cctests and on ARM platform.

TBR=peter.rybin@gmail.com
Review URL: http://codereview.chromium.org/491074

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3458 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-14 07:51:59 +00:00
peter.rybin@gmail.com
a8cab84e04 Implement "wait for connection" feature 
Review URL: http://codereview.chromium.org/489005


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3457 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-13 21:15:02 +00:00
fschneider@chromium.org
4c9874195d Fix lint error. 
TBR=kmillikin@chromium.org
Review URL: http://codereview.chromium.org/491063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3456 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-11 22:48:14 +00:00
fschneider@chromium.org
c25151faa6 Adding compound assignments to the top-level compiler. 
Review URL: http://codereview.chromium.org/486008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3455 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-11 16:09:16 +00:00
erik.corry@gmail.com
a4ad7b8bf3 Give the binary op stubs better names to make profiles more informative. 
Review URL: http://codereview.chromium.org/488017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3454 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-11 10:40:01 +00:00
mikhail.naganov@gmail.com
cfb6b2ded8 Correct mistyped file name for svn:ignore property. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3453 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-11 09:12:56 +00:00
mikhail.naganov@gmail.com
420c171a81 Add '.cpplint-cache' to ignore lists for SVN and Git. This change also sets 'ignore' property on '.', although this change isn't visible in Rietveld. 
TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/489011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3452 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-11 09:01:38 +00:00
iposva@chromium.org
fe952d7237 - Ensure the stack trace limit is not negative. 
- Enable fuzzing of the CollectStackTrace runtime call.

Review URL: http://codereview.chromium.org/491005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3451 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-10 18:33:34 +00:00
antonm@chromium.org
e32fdc0263 Use uint64_t to keep 64 MacOS happy. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3450 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-10 17:46:45 +00:00
ager@chromium.org
483828660d Reapply keyed load cache probing in generated code. I introduced a 
bug just before committing which broke snapshot builds.  The code is
nearly identical to the previous submit.

TBR=erik.corry@gmail.com
Review URL: http://codereview.chromium.org/491004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3449 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-10 15:10:50 +00:00
lrn@chromium.org
aef02ccccb Fast codegen: Working break and continue. 
Started framework for all intra-functional outward control transfers,
including handling of try/finally.

Review URL: http://codereview.chromium.org/466033


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3448 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-10 14:06:08 +00:00
kmillikin@chromium.org
b4e7472028 Disible the toplevel compiler for code containing for loops. 
Review URL: http://codereview.chromium.org/492003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3447 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-10 13:12:13 +00:00
ager@chromium.org
1a6893cda9 Revert keyed load cache probing in generated code. 
Crashes on Windows.

TBR=erik.corry@gmail.com
Review URL: http://codereview.chromium.org/488006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3446 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-10 12:52:28 +00:00
ager@chromium.org
87496c61aa Probe keyed load cache in generic keyed load stub. 
Only implemented on ia32 and x64 for now.  The generic keyed load stub
on arm is falling behind and it is time to fix that, but that will be
a separate change.


Review URL: http://codereview.chromium.org/460142

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3445 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-12-10 09:21:23 +00:00