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Author SHA1 Message Date
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
floitschV8@gmail.com
74b4ad0e69 Fix arm compilation. DiyFp multiplications are now in a separate procedure. 
Review URL: http://codereview.chromium.org/971006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4171 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 15:57:26 +00:00
antonm@chromium.org
6405be71b9 Reenable ability to Dispose already Disposed Vector. 
Review URL: http://codereview.chromium.org/1016006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 15:15:45 +00:00
erik.corry@gmail.com
dda96b61c6 Fix formatting around * and &. 
Review URL: http://codereview.chromium.org/1000007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4169 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 14:53:16 +00:00
antonm@chromium.org
c1597031bf Properly release zero-length Vectors. 
Review URL: http://codereview.chromium.org/987004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4168 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 14:42:01 +00:00
sgjesse@chromium.org
1963ffba99 Don't generate inline constructors if this.__proto__ is assigned. 
BUG=http://code.google.com/p/v8/issues/detail?id=646
TEST=test/mjsunit/regress/regress-646.js
Review URL: http://codereview.chromium.org/1023008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4167 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 13:23:53 +00:00
mikhail.naganov@gmail.com
d2188658ca Re-apply r4159 now with working test on x64 
TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/979005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4164 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 13:15:42 +00:00
fschneider@chromium.org
0f988248b2 Prepare push to trunk. Now working on version 2.1.7. 
Review URL: http://codereview.chromium.org/974005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4163 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 13:08:58 +00:00
fschneider@chromium.org
9f318feb93 Revert r4159 because of x64 test failures. 
Review URL: http://codereview.chromium.org/1049003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4162 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 13:04:07 +00:00
fschneider@chromium.org
3a958c3b39 Prepare push to trunk. Now working on version 2.1.6. 
Review URL: http://codereview.chromium.org/1050002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4161 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 12:46:17 +00:00
whesse@chromium.org
64278854ba Fix excessive stack usage by compiler due to local in recursive scope. 
Review URL: http://codereview.chromium.org/1019006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4160 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 12:27:32 +00:00
mikhail.naganov@gmail.com
ce9298029d Implement circular queues for the C++ version of CPU profiler. 
Circular queues serve as a transport for communicating between
VM, stack sampler and analyzer threads. Logging requirements
for VM and stack sampler are completely different, that's why
I introduced two different versions of CQs.

Review URL: http://codereview.chromium.org/1047002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4159 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 12:25:10 +00:00
sgjesse@chromium.org
a43c533d2f Make the C++ tests run without SSE2 support. 
Review URL: http://codereview.chromium.org/982007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4158 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 10:28:44 +00:00
erik.corry@gmail.com
889cbe55b8 Fix a bug in the regexp caching. Also add a few more places to 
cache.  We now cache most of the places where Opera cache and
one or two where they do not cache for some reason.  Since
these optimizations aren't necessarily useful on real code we
may remove them if and when the Dromaeo website makes the
benchmarks harder to game.
Review URL: http://codereview.chromium.org/995005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4157 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 10:23:06 +00:00
fschneider@chromium.org
38d6470fca Revert r4146. Add a special case in Math.round for a SMI result. Also change the imp... 
TBR=ager@chromium.org, 
Review URL: http://codereview.chromium.org/1042006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4156 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 09:58:28 +00:00
fschneider@chromium.org
3ca9367341 Fix bug in propagation of type information into registers. 
The number type information of results has to be also copied when
calling ToRegister with a fixed register as destination.

Also fix an unbound label and a missing CpuFeatures scope.

Review URL: http://codereview.chromium.org/987003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4155 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 09:49:03 +00:00
antonm@chromium.org
4496250e51 Restore http://code.google.com/p/v8/source/detail?r=4151 fixing a typo: 
index d545c34..91cb151 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -738,7 +738,7 @@ BUILTIN(ArrayConcat) {
   int result_len = 0;
   for (int i = 0; i < n_arguments; i++) {
     Object* arg = args[i];
-    if (!arg->IsJSArray() || JSArray::cast(arg)->HasFastElements()) {
+    if (!arg->IsJSArray() || !JSArray::cast(arg)->HasFastElements()) {
       return CallJsBuiltin("ArrayConcat", args);
     }
This reverts 4153.
    # Please enter the commit message for your changes. Lines starting

Review URL: http://codereview.chromium.org/1055003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4154 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 09:40:54 +00:00
antonm@chromium.org
c7e21cc31b Revert "More generic version of Array.concat builtin." 
Review URL: http://codereview.chromium.org/1058003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4153 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 09:13:39 +00:00
kasperl@chromium.org
feefa06b35 Remove handle scope that caused debug mode assertion failures 
because a handle was returned out of the destroyed scope.
Review URL: http://codereview.chromium.org/1029003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4152 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 08:53:21 +00:00
antonm@chromium.org
c8e795e3af More generic version of Array.concat builtin. 
Review URL: http://codereview.chromium.org/1036002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4151 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 08:30:07 +00:00
erik.corry@gmail.com
e1c486c313 Keep more track of whether code is from the built 
in .js files in V8.  This change gets bleeding edge
a tiny bit closer to the partial snapshots branch.
Review URL: http://codereview.chromium.org/1052003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4150 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-03-17 08:14:59 +00:00