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Author SHA1 Message Date
antonm@chromium.org
d1c0dd177e Trim underlying fixed array by one element from the left when doing shift. 
For now this trick is only done to objects in new space, see comments
for reasons.

Review URL: http://codereview.chromium.org/1076010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4229 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 14:05:16 +00:00
vegorov@chromium.org
b7833cb5f1 Port of optimized ICs for external and pixel arrays from ia32 to ARM. 
Review URL: http://codereview.chromium.org/993002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4228 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 13:38:04 +00:00
kmillikin@chromium.org
65115c2857 Mark all loop conditions. 
Previously we marked compare operations that occurred as for loop
conditions so as to avoid inlining the floating-point code for them.
Begin marking all expressions that occur as any loop condition
(because they are never dead code).

Review URL: http://codereview.chromium.org/1074009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4227 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 13:36:38 +00:00
mikhail.naganov@gmail.com
4d1f8cbfd6 New GCCallbacks with additional parameters. 
Author: Ilya Tikhonovsky <loislo@chromium.org>
Original issue: http://codereview.chromium.org/1094002

TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/1165004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4226 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 13:11:44 +00:00
sgjesse@chromium.org
b278895d28 Update Visual Studio project files. 
Review URL: http://codereview.chromium.org/1111011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4225 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 13:09:33 +00:00
fschneider@chromium.org
04a5802d80 Add iterative primitive type analysis. 
This change adds a data-flow pass to statically determine
if a variable contains a primitive type.

It requires building the flow graph and computing reaching
definitions as pre-requisites. The analysis annotates all
VariableProxy nodes with the result.

Review URL: http://codereview.chromium.org/1132005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4224 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 13:01:37 +00:00
oleg@chromium.org
f08648dc4c Modify FastD2I to use static_cast instead of lrint(). Benchmarks show that it's much faster this way. 
Review URL: http://codereview.chromium.org/1128010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4223 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 12:48:42 +00:00
mikhail.naganov@gmail.com
17665cafbe Fix issue 658: update test-log-stack-tracer after r4211. 
It appears that semi-automatic changes made to test's code were
incorrect. v8::Script::Compile returns wrapped JSFunction,
not SharedFunctionInfo.

Review URL: http://codereview.chromium.org/1169002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 12:42:47 +00:00
kasperl@chromium.org
9dfb673fab Remove the last of the obsolete *-delay.js files. This one 
is replaced by src/liveedit-debugger.js.
Review URL: http://codereview.chromium.org/1158005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 12:36:41 +00:00
sgjesse@chromium.org
9240342ad6 Inline floating point compare 
Inline floating point compare instead of calling the stub when the following conditions are met:
  * Code is in a loop
  * Compare is not a for loop condition
  * Compare is not an equal comparison

This inlined code handles heap number to heap number and heap number to smi compare. It can also handle smi to smi compare, but whenever there is a chance of comparing two smis the smi compare is inlined before the inlined floating point compare. Support for non SSE2 hardware is included.

A new set of variants of the compare stub without the floating point comparison code is called if the inline comapre fails due to the operands not beeing heap numbers or smis.

The virtual frame has been extended with a branch taking two live results to be carried through to the destination. This makes this change much simpler as the inlined code have two live results in registers and a number of bailouts.

CompareStub::GetName needs to be updated as well. I will do that as a separate change.

Also inlined equality check if both operands can't be NaN. This can only provide positive equals if it is the same object.
Review URL: http://codereview.chromium.org/1117011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4220 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 12:36:31 +00:00
kasperl@chromium.org
c7d9885ba1 Bring back source line accidentally removed in r4217. 
Review URL: http://codereview.chromium.org/1153008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4219 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 12:31:52 +00:00
kasperl@chromium.org
73470162de Fix issue 658 by adapting the d8.cc code to the new types of 
scripts (either a JSFunction or a SharedFunctionInfo).
Review URL: http://codereview.chromium.org/1077010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4218 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 12:23:15 +00:00
kasperl@chromium.org
7d6a3b433f Merge the partial_snapshots branch back into bleeding_edge. For 
now, the custom call generator stuff is disabled.
Review URL: http://codereview.chromium.org/1094014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4217 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 11:40:38 +00:00
kasperl@chromium.org
c2427115db Fix issue 656 on ARM. 
TBR=iposva@chromium.org
Review URL: http://codereview.chromium.org/1117010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4214 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 07:14:25 +00:00
kasperl@chromium.org
4ddc744f47 Fix issue 656 on x64. 
TBR=iposva@chromium.org
Review URL: http://codereview.chromium.org/1081014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4213 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 06:58:48 +00:00
kasperl@chromium.org
aa55407a70 Fix issue 656 on x86. 
TBR=iposva@chromium.org
Review URL: http://codereview.chromium.org/1159004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4212 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 06:40:29 +00:00
iposva@chromium.org
a1ec99c05d - Remove function boilerplate objects and use SharedFunctionInfos in 
their place.
- Add one field to the SharedFunctionInfo to remember the number of
  literals used in this function.

Review URL: http://codereview.chromium.org/669240

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4211 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-23 06:04:44 +00:00
sgjesse@chromium.org
ef2e46d1cc Use bit fields to calculate compare stub minor key 
Review URL: http://codereview.chromium.org/1081010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4208 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 14:31:28 +00:00
mikhail.naganov@gmail.com
71754ebe81 Add multithreading test for SamplingCircularQueue, fix implementation. 
This is for the case of Linux, where sampling is done using SIGPROF
signal handler which is executed in the context of an interrupted
thread. In this case, my previous implementation with TLS doesn't
work.

Review URL: http://codereview.chromium.org/1138004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 14:23:45 +00:00
kmillikin@chromium.org
82a673b8bf Include initial definitions in reaching definitions analysis. 
Include the initial definitions for parameters on input to the
function, and the initial definition of stack-allocated locals as
undefined.

Review URL: http://codereview.chromium.org/1155006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4206 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 14:07:18 +00:00
fschneider@chromium.org
43fd945eee Loop peeling for inner loops. 
This change adds the option to peel off the first iteration of inner loops.

Loop peeling is off by default and can enabled by a flag. It also requires building a flow graph.

As part of this I added the possibility to clone AST nodes.

Review URL: http://codereview.chromium.org/998001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 13:21:32 +00:00
whesse@chromium.org
eebcea1473 Prepare push to trunk. Now working on version 2.1.8. 
Review URL: http://codereview.chromium.org/1164001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 12:19:18 +00:00
whesse@chromium.org
fde714bb5b Revert change 4201. 
Review URL: http://codereview.chromium.org/1113007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4203 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 12:16:11 +00:00
fschneider@chromium.org
03089b6644 Fix code generation for fast smi loops to support parameters as well. 
This change fixes an assert we hit when we recognized a fast smi loop
with a parameter as the loop variable.

BUG=650


Review URL: http://codereview.chromium.org/1138003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 11:55:12 +00:00
kaznacheev@chromium.org
fafd5dd599 Porting binary op ICs to arm 
Review URL: http://codereview.chromium.org/883001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-22 11:07:22 +00:00
peter.rybin@gmail.com
898b0ca759 Fix broken build: disable stale assert 
Review URL: http://codereview.chromium.org/1094008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4200 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-21 00:23:03 +00:00
peter.rybin@gmail.com
386b67862f Explicitly declare temporary cooked frames state 
Review URL: http://codereview.chromium.org/995006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4199 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-20 22:37:15 +00:00
erik.corry@gmail.com
1b7df23f7c Implement function calls on ARM using the blx instruction when 
available. Using blx will allow the CPU to predict the return address
fo the function, resulting in better overall performamce.
This is a copy of http://codereview.chromium.org/1113002 by
rodolph.perfetta@googlemail.com

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 14:05:11 +00:00
mikhail.naganov@gmail.com
89b040894e Add a few tests to ProfilerEventsProcessor. 
Review URL: http://codereview.chromium.org/1084009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 13:51:01 +00:00
mikhail.naganov@gmail.com
cc43970611 Really fix ARM build (this time verified locally.) 
TBR=ager@chromium.org

Review URL: http://codereview.chromium.org/1154001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 13:49:28 +00:00
mikhail.naganov@gmail.com
f7ba38332b Fix ARM build (GCC 3 'all member functions in class are private' warning.) 
TBR=ager@chromium.org

Review URL: http://codereview.chromium.org/1084010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 13:07:43 +00:00
fschneider@chromium.org
ebf9e6e8e2 Remove unused LivenessAnalyzer class. 
Also remove unused attributes related to it from the ast.
Review URL: http://codereview.chromium.org/1117003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 12:54:35 +00:00
ager@chromium.org
a8a7a74bb3 Fix presubmit errors. 
I will lint my code, I will lint my code, I will lint my code. :)

TBR=sgjesse@chromium.org
Review URL: http://codereview.chromium.org/1115007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 12:53:55 +00:00
ager@chromium.org
1bf60267e7 Port number-dictionary probing in generated code to x64. 
BUG=640
Review URL: http://codereview.chromium.org/1113001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4192 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 12:26:45 +00:00
floitschV8@gmail.com
05beab6b1f Rename files containing underscores. 
Review URL: http://codereview.chromium.org/1102002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4191 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 12:15:24 +00:00
lrn@chromium.org
4db15f1235 Refactoring of RegExp interface to better support calling several times in a row. 
Review URL: http://codereview.chromium.org/1114001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4190 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 12:01:17 +00:00
mikhail.naganov@gmail.com
9582645a02 Add basic C++ implementation of CPU profiler. 
Review URL: http://codereview.chromium.org/1079006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4189 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 09:46:53 +00:00
ager@chromium.org
103db91e12 Add parens to DateYMDFromTimeSlow to clearify. 
BUG=649
Review URL: http://codereview.chromium.org/1132002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 08:00:52 +00:00
fschneider@chromium.org
2726a4d4f9 Add debug code assertions where we expect smi inputs. 
Review URL: http://codereview.chromium.org/998007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4187 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-19 07:43:03 +00:00
peter.rybin@gmail.com
f822f101a0 Show file name/line number in stack trace 
Review URL: http://codereview.chromium.org/1002010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4186 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 22:15:54 +00:00
fschneider@chromium.org
ec974ddb50 Fix bug when generating a fast smi loop. 
We may encounter an invalid frame after generating code
for the loop body in case the loop body ends in an unconditional
return. Before setting the type information for the loop variable
we need to check for a valid frame.

Review URL: http://codereview.chromium.org/1106002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4182 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 14:32:02 +00:00
floitschV8@gmail.com
9e84308722 Rename grisu to fast-dtoa. Get rid of template. 
Review URL: http://codereview.chromium.org/1032007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4181 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 13:19:59 +00:00
oleg@chromium.org
825a5d741f Improve Math.round(). Fix the bug in r4146. Further improve performance by checking the exponent instead of comparing doubles. Add several tests for numbers near the limits of SMI and several tests from WebKit. 
Review URL: http://codereview.chromium.org/1008004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 13:00:57 +00:00
kaznacheev@chromium.org
c8a2735762 Porting binary op ICs to x64. 
Review URL: http://codereview.chromium.org/845002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 11:54:53 +00:00
fschneider@chromium.org
c5ce8e47ef Update number info for count operations. 
If the input of a ++ or -- operation is a smi, the
result is an Integer32. Otherwise it is a number.

Review URL: http://codereview.chromium.org/1075004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4177 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 10:01:53 +00:00
vitalyr@chromium.org
494ba3a4c8 Fix windows build again: one more memchr call. 
Review URL: http://codereview.chromium.org/1109001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4176 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 09:38:30 +00:00
vitalyr@chromium.org
c3972d21fb Fix windows build. 
On windows memchr returns const void* instead of void*.

Review URL: http://codereview.chromium.org/1074003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4175 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 09:27:15 +00:00
fschneider@chromium.org
34faea85db Add test cases for fast smi loops. 
Review URL: http://codereview.chromium.org/1014007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4174 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 09:08:24 +00:00
vitalyr@chromium.org
b148282b56 String search performance improvements: 
* Using memchr for first/only char lookup is faster than hand-coded
   loop. It processes one machine word per iteration so it helps even
   more on x64.

 * Tweaked badness computation in simple search. We pay only for the
   first char memchr scans, not for all of them.

Review URL: http://codereview.chromium.org/1100002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4173 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-18 09:01:08 +00:00
fschneider@chromium.org
e090f46a55 Fix type propagation rules for count operation. 
Also treat const-variables as not side-effect free.

Review URL: http://codereview.chromium.org/982009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4172 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 16:39:29 +00:00