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Author SHA1 Message Date
vitalyr@chromium.org
b2dbea6c60 Extend code printing: 
o Add --print-unopt-code to print unoptimized code before printing
  optimized code based on it. This is useful to see the states of ICs
  and the effects of code patching.

o Use debug function names in disassembly output.

Review URL: http://codereview.chromium.org/5959003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6074 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 14:16:00 +00:00
fschneider@chromium.org
6cc0310a72 Mark map-transition stores as map-changing instructions. 
This prevents code motion from hoisting map-checks across such stores
which may result in unnecessary deoptimizations.

In the following example program we would move a map-check from the inner loop out before the outer loop which is not desirable:

function f() {
  var o = {};
  var j = 0;
  o.a = 1;
  do {
    o.b = 6;  // Map transition
    for (var i=0; i<10; i++) {
       o.a = o.b + i;
    }
  } while(++j < 1) {}
}

for (var i = 0; i < 1000000; i++) f();


Review URL: http://codereview.chromium.org/5991001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6071 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 13:44:19 +00:00
ager@chromium.org
06ac3b18a0 When setting property on a context extension object do not inherit the 
attributes from an existing property on a prototype object.

Review URL: http://codereview.chromium.org/5995002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6068 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 13:04:53 +00:00
sgjesse@chromium.org
648fcd906e Adding Date::ResetCache() API so that the cache values in the Date object 
can be reset to allow DST / timezone changes to be re-cached and reflected
in the Date object.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/5978001


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6067 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 12:45:27 +00:00
vitalyr@chromium.org
8ff6c23c84 Allow rapid socket reuse on POSIX platforms. 
Review URL: http://codereview.chromium.org/5990001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6066 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 12:31:42 +00:00
sandholm@chromium.org
578e70a552 Improve regexp split, replace and test. 
Review URL: http://codereview.chromium.org/5959002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6065 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 11:57:10 +00:00
whesse@chromium.org
83b28cd1fc Avoid comparing a pointer-to-member to NULL, even though C++ is supposed to support it. 
Review URL: http://codereview.chromium.org/5988001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6064 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 11:52:10 +00:00
lrn@chromium.org
9f1bcdf8ac Change quicksort pivot from random to median-of-three. 
Tweak quicksort bailout parameter to minimize time.

Review URL: http://codereview.chromium.org/5962003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6063 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 10:06:11 +00:00
erik.corry@gmail.com
7b6d7f5ba4 Add a couple of missing includes. 
Review URL: http://codereview.chromium.org/5899001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6062 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 08:58:04 +00:00
ager@chromium.org
0cb7623801 Prepare push to trunk. Now working on version 3.0.4. 
Also fix files because of missing prepare for push of version 3.0.2
which was pushed directly.

Review URL: http://codereview.chromium.org/5962002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6060 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 08:24:54 +00:00
ager@chromium.org
02382a6d57 Fix 'Optimizations' typo in gyp file. 
BUG=http://code.google.com/p/v8/issues/detail?id=998
Review URL: http://codereview.chromium.org/5970001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6059 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 07:52:20 +00:00
ricow@chromium.org
717153274f Reduce number of iterations in new regression test, this times out on arm and the regression is hit with an order of magnitude less iterations. 
Review URL: http://codereview.chromium.org/5963001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6058 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-17 07:23:06 +00:00
vitalyr@chromium.org
2ba48c0a45 Support loading constant functions in hydrogen. 
Review URL: http://codereview.chromium.org/5878004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6057 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 22:30:53 +00:00
fschneider@chromium.org
73737fcdb6 Fix bugs in the range analysis for integers. 
The overflow conditions were not correctly detected for 
certain add, sub and mul instructions.

I replaced the previous code by using 64-bit arithmetic
to correctly identify overflows for *, + and -.

Review URL: http://codereview.chromium.org/5860009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6055 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 18:01:36 +00:00
vitalyr@chromium.org
5e86c6c752 Use near labels in write barrier code. 
Review URL: http://codereview.chromium.org/5939003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6054 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 17:45:26 +00:00
vitalyr@chromium.org
3dd300df48 Emit better code when pushing a constant. 
Review URL: http://codereview.chromium.org/5884003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6053 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 16:56:45 +00:00
ager@chromium.org
6e30a77ab5 A number of instructions use GVN but do not provide a comparison 
function for the data. This leads to wrong results where operations
are wrongly assumed to have the same value as a previous (different)
operation.

Provide the data comparison functions.

BUG=995

Review URL: http://codereview.chromium.org/5898003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6052 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 15:40:02 +00:00
kmillikin@chromium.org
4f231f59b4 Fix an issue discovered in regress-969. 
When running with 10 stress runs we get polymorphic stores.  This revealed
an incorrect bailout ID for the state following a polymorphic store.  The ID
should be the internal ID of the assignment side-effect, not the ID of the
end of the expression.

Review URL: http://codereview.chromium.org/5885003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6051 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 14:18:41 +00:00
ricow@chromium.org
a362f1d0f7 Add flag for running with a non standard number of stress-runs. 
This allows easy testing with more than 5/2 stress runs in
release/debug and will allow us to have a nightly run with e.g., 10
stress runs in debug mode.



Review URL: http://codereview.chromium.org/5903003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6050 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 13:24:23 +00:00
kmillikin@chromium.org
4a6ef3ee28 Fix issue 977, occasional failure of the DeltaBlue benchmark. 
Before, when we deoptimized after a branch we jumped to before the branch
was taken in the unoptimized code with a token value that indicated when
edge to take.  There was a lot of machinery to track this value through the
short-circuit logical operations and logical negation, and to handle it
properly at inline function return sites.  There was also machinery to
prevent incorrectly seeing this environment with the extra value never
actually materialized in the unoptimized code.

Instead, now we deoptimize directly to one of the targets of the branch.
Much but not yet all of the extra machinery has been removed or simplified.
The cost is that branching control structures (the looping statements, if
statements, conditional expressions, and the short-circuit binary logical
operations) need extra AST IDs to identify the branch targets.

Review URL: http://codereview.chromium.org/5908001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6049 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 13:13:36 +00:00
ager@chromium.org
1b67320800 Perform more aggressive time to NaN conversions. Our internal date 
methods rely on the time values passed in being within a certain range
- not significantly larger than the the ECMA 262 specified time
range. When creating a time, always make it NaN if there is no way
that it can be within range even after UTC conversion.

Review URL: http://codereview.chromium.org/5905003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6048 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 13:02:09 +00:00
lrn@chromium.org
b20f0968fa Change DefaultString and DefaultNumber to match the spec required behavior. 
Previously it did two reads of the .toString and .valueOf properties where
only one was allowed.

Review URL: http://codereview.chromium.org/5950001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6047 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 12:49:55 +00:00
mikhail.naganov@gmail.com
75d5ad65c4 Fix presubmit errors 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6046 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 12:26:04 +00:00
ricow@chromium.org
357afa385b Change Object.defineProperty to accept undefined as getters and setters and to correctly accept overriding an accessor with a data property. 
In the past we only accepted functions as argument for setting an
accessor. Since one should be able to set an accessor to undefined
this had to be changed to take either.

In addition, we did not lookup properties in the prototype chain,
causing us to call the setter of an existing accessor up the prototype
chain when trying to replace an existing accessor (that was not local)
with a data property.


Review URL: http://codereview.chromium.org/5861006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6045 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 12:21:08 +00:00
mikhail.naganov@gmail.com
e521db4afa Make V8 compilable with profiling support turned off. 
BUG=990

Review URL: http://codereview.chromium.org/5890003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6044 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 12:14:56 +00:00
fschneider@chromium.org
cdc7d3908e Fix a SEGV in the register allocator. 
This occasionally caused the regress-806 unit test to crash.

Review URL: http://codereview.chromium.org/5913002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6043 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 12:01:22 +00:00
sgjesse@chromium.org
d559d8c6c0 IA32: Optimize instanceof 
The instanceoff stub now supports arguments in registers and checks for null,
smi and string values without going to runtime.

Needs porting to X64 and ARM.
Review URL: http://codereview.chromium.org/5828004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6042 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-16 08:58:42 +00:00
peter.rybin@gmail.com
e9c989b8fa Fix evaluate with context debug protocol 
Review URL: http://codereview.chromium.org/5866002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6039 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 19:55:51 +00:00
vegorov@chromium.org
ed59e77256 Fix several register allocation issues revealed by fuzzer: 
- LIsObject had incorrect contraint for value input;
- Temporaries had incorrect lifetime intervals;
- Live ranges for live_out values was not covering the whole block.

Review URL: http://codereview.chromium.org/5899002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6038 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 18:13:02 +00:00
vitalyr@chromium.org
7a3fd2aa52 Deoptimize non-smi switch cases if they are reached. 
This way if the type oracle says an unreachable clause has a non-smi
type, we can still emit optimized code instead of doing an early
bailout.

This change depends of Florian's r5970.

Review URL: http://codereview.chromium.org/5812005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6037 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 17:11:11 +00:00
kmillikin@chromium.org
bccab25564 Fix compilation on x64. 
TBR=ager@chromium.org

Review URL: http://codereview.chromium.org/5873003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6036 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 16:37:17 +00:00
kmillikin@chromium.org
ace6290452 Fix issue 974. 
When entering a finally block in unoptimized code, we unconditionally
save the accumulator register in the stack in case it holds a return
value or an exception.  In the case of a break, continue, or falling
off the end of the try or catch block, this value is unpredictable and
not necessarily safe for GC.

Review URL: http://codereview.chromium.org/5883003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 16:14:29 +00:00
fschneider@chromium.org
c03c71a937 Emit a load of the elements array only before the first store. 
This avoid emitting the load for empty and constant array literals.

Review URL: http://codereview.chromium.org/5697006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6034 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 16:12:55 +00:00
whesse@chromium.org
564d65958f Mark TranscendentalCacheSSE2Stub as allowing internal stub calls. Mark pextrd instruction as requiring SSE 4.1. 
Review URL: http://codereview.chromium.org/5901001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6033 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 16:10:13 +00:00
ager@chromium.org
06a684d353 Fix deoptimization from %_MathPow. Do not prepare the stack for a C 
call and then bailout without performing the call.

In order to not duplicate code, convert both heap number and smi to a
double in an xmm register if possible. Then setup the stack and call
the C function.

BUG=http://code.google.com/p/v8/issues/detail?id=986

Review URL: http://codereview.chromium.org/5900001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6032 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 15:25:53 +00:00
vegorov@chromium.org
655b30858d Fix issue 982. 
When splitting at the beginning of a use interval assign coinciding position to the split child instead of leaving it to parent.

BUG=v8:982

Review URL: http://codereview.chromium.org/5898001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6031 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 14:35:46 +00:00
fschneider@chromium.org
b93a0f5d9a Second attempt: Improve our type feedback by recogizining never-executed IC calls for binary operations. 
This is an improved version of my earlier change r5970. It avoids degrading the
non-optimized code.

Initially we emit a conditional branch that is either always- or never-taken
after a smi-check (depending on whether we test for smi for for non-smi)
Since test-eax always sets the carry-flag to 0 we use jump-if-carry and
jump-if-not-carry.

The first invocation of the stub patches a jc with a jz and
jnc with a jnz-instruction so that the code looks exactly as it was
without patching. The only difference is the test- or nop-instruction
after the IC-call.

Review URL: http://codereview.chromium.org/5763004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 13:56:41 +00:00
lrn@chromium.org
3ed6c2a12f Fix ES5 failure after removing Number/String/Boolean.prototype.toJSON. 
The failure is that we no longer fail the tests.

Review URL: http://codereview.chromium.org/5896001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6028 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 12:39:18 +00:00
erik.corry@gmail.com
2996dca6aa Support %_IsObject in Crankshaft. 
Review URL: http://codereview.chromium.org/5806001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6027 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 12:32:19 +00:00
kmillikin@chromium.org
eb7b4e347e Fix issue 979. 
The issue is caused when deoptimizing to an internal AST ID in a
postfix increment or decrement operation on variable.  This could
happen for a global variable.  In that case, the optimized code was
not properly simulating an extra stack slot in the unoptimized code to
hold the original value.

Review URL: http://codereview.chromium.org/5871002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6025 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 11:47:05 +00:00
karlklose@chromium.org
88dfadd090 Fix presubmit error. 
Review URL: http://codereview.chromium.org/5891001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6024 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 11:43:35 +00:00
karlklose@chromium.org
5f962f2eb2 Add array bound checks to code generated for SwapElements. This fixes a bug that lead to a segfault when an array was modified while it was sorted. 
Review URL: http://codereview.chromium.org/5686006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6020 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 09:52:58 +00:00
lrn@chromium.org
f118f44130 Fix regression in JSON serialization of RegExps. 
Tweaks to the serialization.

Review URL: http://codereview.chromium.org/5676005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6018 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 09:31:05 +00:00
erik.corry@gmail.com
d25755eeea Add some missing includes and other minor changes intended to keep 
the distance between bleeding edge and the gc branch minimal.
Review URL: http://codereview.chromium.org/5788002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6016 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 08:07:27 +00:00
ager@chromium.org
d3341acd45 Landing for Martin Maly. 
Update the XCode project file.

Updating the Xcode project after crankshaft landed.

Codereview URL: http://codereview.chromium.org/5834001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6015 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 07:47:35 +00:00
ager@chromium.org
5dc1d7a126 Update test expectations for ARM crankshaft build. 
Review URL: http://codereview.chromium.org/5813002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6014 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-15 07:46:22 +00:00
vitalyr@chromium.org
57e072298f Merge math function ids and custom call generator ids. 
Two old id types are replaced by builtin function ids. We can use
these in the code generators to emit custom code for the selected
functions.

Review URL: http://codereview.chromium.org/5767002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6013 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-14 18:53:48 +00:00
erik.corry@gmail.com
5b55e1ad9a API: Correct documentation of String::WriteUtf8, String::Write 
and String::WriteAscii and add test.  Correct implementation of
String::Write, fixing bug 975 (the patch in that bug was not
used, however).
Review URL: http://codereview.chromium.org/5718005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6011 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-14 13:21:46 +00:00
whesse@chromium.org
c23c244add Reapply change 5989, adding untagged double calls to Math.pow, with problem in generated code for TranscendentalCacheSSE2Stub (unguarded SSE 4.1 code) fixed. 
Review URL: http://codereview.chromium.org/5726008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-14 13:21:29 +00:00
ricow@chromium.org
cd2f41f7dd Don't run mjsunit/compiler/regress-funcaller in debug mode. 
This test takes 12+ minutes to run on the windows slaves. In addition,
the regression is hit in release mode on the code prior to the fix for
this.

Review URL: http://codereview.chromium.org/5701006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6009 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2010-12-14 13:15:28 +00:00