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Author SHA1 Message Date
danno@chromium.org
83c84a43e8 Revert 7917 
TBR=danno@chromium.org

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7918 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 18:47:10 +00:00
danno@chromium.org
5a9b2b3c5f Better support for 'polymorphic' JS and external arrays 
Allow  keyed store/load stubs to switch between external array and fast JS arrays without forcing a state transition to the generic stub.

There CL consists of two pieces of functionality. First, code stubs for fast element arrays don't immediately transition to the MEGAMORPHIC state when there's a map mismatch. Second, two ICs are cached per map for fast elements, the MONOMORPHIC version, and a new MEGAMORPHIC version that handles two or more different maps. Currently, the only array types supported by the MEGAMORPHIC stub are fast elements for objects and JSArrays.

BUG=
TEST=

Review URL: http://codereview.chromium.org/6894003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7917 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 17:29:13 +00:00
sgjesse@chromium.org
46aeea9d3a Revert r7909 
r7909: Optimise the deoptimisation check to improve performance on modern ARM cores.

Assert failure on mozilla/ecma/Date/15.9.3.8-2 and mozilla/ecma/Date/15.9.3.8-4.

R=ricow@chromium.org

Review URL: http://codereview.chromium.org//7037006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7916 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 12:43:14 +00:00
vegorov@chromium.org
925107046e Extend Handle API with MarkIndependent. 
Garbage collector is free to ignore object groups for independent handles and can collect then in minor collections.

Review URL: http://codereview.chromium.org/7031005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7915 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 12:18:19 +00:00
danno@chromium.org
ecc25bfb47 Add enumeration to specify if smi check needed 
R==ager@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7039004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7914 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 12:05:06 +00:00
whesse@chromium.org
0eca2b4fc1 Fix error in postfix ++ in Crankshaft. 
Add HForceRepresentation, to represent the implicit ToNumber applied to the input of a count operation.

BUG=v8:1389

TEST=

Review URL: http://codereview.chromium.org/7033008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7913 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 11:41:59 +00:00
fschneider@chromium.org
e3fd7c450e Fix presubmit errors. 
TBR=whesse@chromium.org
Review URL: http://codereview.chromium.org/7017011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7912 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 11:24:38 +00:00
fschneider@chromium.org
7d446f7f4c Fix bug restoring of JS entry sp so to fix profiler-related valgrind issues. 
The profiler did not correctly identify when there was a JS frame
on the stack after an exception was thrown.

I also refactored the code to use PopTryHandler macro-instructions on all platforms

BUG=73722
TEST=No more valgrind errors related to v8::internal::StackFrameIterator.
Review URL: http://codereview.chromium.org/7019010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7910 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 11:11:12 +00:00
sgjesse@chromium.org
9bddc8e0d8 Optimise the deoptimisation check to improve performance on modern ARM cores. 
BUG=none
TEST=none

Review URL: http://codereview.chromium.org//7021007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7909 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 10:52:51 +00:00
sgjesse@chromium.org
17c4dc86f0 MIPS: Remove peeophole optimizations from assembler. 
Following r7854.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7037004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7908 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 10:34:02 +00:00
sgjesse@chromium.org
f801756bf8 Submit regexp-macro-assembler-mips.cc. 
Also includes minor changes to regexp-macro-assembler.h.

Builds, but won't run until mips port submission is complete. Has
been tested externally.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7038004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7907 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 10:30:09 +00:00
sgjesse@chromium.org
d1b03ba608 Submit full-codegen-mips.cc. 
Includes an arch-independent change for FullCodeGenerator::Split()
prototype for mips, which requires two extra parameters.

Compiles, does not run yet. Tested externally.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7019004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7906 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 10:24:44 +00:00
sgjesse@chromium.org
35727e4507 Submit stub-cache-mips.cc. 
Compiles, but not testable until all of mips port is in place. It
has been tested externally.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7038002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7905 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 10:07:42 +00:00
danno@chromium.org
7185ec6ca8 Remaining (forgotten) feedback for pixel array deopt fix 
TBR=kmillikin@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7019008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7903 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-17 07:22:01 +00:00
rossberg@chromium.org
05fd779dd3 Implement get trap for proxies. 
TODO: reflective Object methods not handled yet.

BUG=
TEST=

Review URL: http://codereview.chromium.org/7035007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7902 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 16:33:58 +00:00
danno@chromium.org
daa1be1226 Support conversion of clamped double values for pixel arrays in Crankshaft. 
BUG=1313
TEST=test/mjsunit/external-array.js

Review URL: http://codereview.chromium.org/7014033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7901 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 14:10:56 +00:00
vegorov@chromium.org
fbcc2ae6f0 Prepare push to trunk. Now working on version 3.3.8. 
Review URL: http://codereview.chromium.org/7030012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7896 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 11:28:23 +00:00
vegorov@chromium.org
850b106400 Extend GCMole with poor man's data flow analysis to catch dead raw pointer vars. 
Fix various places in the code found by improved GCMole.

Review URL: http://codereview.chromium.org/6973063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7895 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 09:06:16 +00:00
sgjesse@chromium.org
e90632f417 Submit debug-mips.cc. 
It compiles, but is not testable until the rest of the mips port
is in place. This has been tested externally.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7032003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7894 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 08:59:56 +00:00
sgjesse@chromium.org
7510bffc4b Submit code-stubs-mips.cc. 
This submission required a small change to arch-indep code to declare
code stub DirectCEntry for mips.

It also required updates to macro-assembler-mips.cc & h and frames-mips.h.

I also made a small change to frames-mips.cc.

This code submission will compile, but is not testable until the majority
of the mips port is in place. It has been tested externally.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7034008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7893 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 08:38:19 +00:00
sgjesse@chromium.org
230a56abda Limit the number of local variables in a function 
Review URL: http://codereview.chromium.org//7003030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7892 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 08:27:52 +00:00
mikhail.naganov@gmail.com
c5ff1f2155 Fix typos in include/*.h inline documentation. 
Patch by Nicolas Kaiser <nikai@nikai.net>

R=sgjesse@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7030008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7891 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-16 06:36:43 +00:00
svenpanne@chromium.org
fe2074f580 Removed a "feature envy" bad smell: Moved AssumeRepresentation method to where 
it belongs.
Review URL: http://codereview.chromium.org/7015039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7890 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 13:29:02 +00:00
erik.corry@gmail.com
cfd6e000ea Fix uninitialized variable recording how much regexp code 
has been generated.
Review URL: http://codereview.chromium.org/7015040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7888 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 11:10:18 +00:00
rossberg@chromium.org
e14402b1df A first skeleton for introducing Harmony proxies. 
1) Add new type JSProxy for representing proxy objects.
   Currently devoid of functionality, i.e., all properties are undefined.

2) Some rudimentary global $Proxy functions to create proxies.

Next step: Hook up getProperty and getOwnProperty handlers. Will probably
require introducing a new LookupResult type, which is a mixture of
INTERCEPTOR (handles any property) and CALLBACK (calls back to JS).
Can we unify this somehow?

TODO: Should probably rename existing Proxy type to something like
"Foreign", to avoid confusion.

Review URL: http://codereview.chromium.org/6932068

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7887 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 10:58:25 +00:00
svenpanne@chromium.org
edac3d93c2 Remove more dead code. 
Review URL: http://codereview.chromium.org/7013045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7885 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 09:25:05 +00:00
vitalyr@chromium.org
73c809bb0e Isolates cleanup: move top.cc to isolate.cc. 
Review URL: http://codereview.chromium.org/6969042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7884 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 08:54:16 +00:00
svenpanne@chromium.org
ca5dad94a7 Removed dead code (ingenious 3-bit representation of types) 
Review URL: http://codereview.chromium.org/6973053

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7883 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 08:21:50 +00:00
svenpanne@chromium.org
78f4dd1208 Use type feedback for unary minus, improving the performance on e.g. 3d-cube by 
7.2% and math-cordic by 5.7%.
Review URL: http://codereview.chromium.org/7013025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7882 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 08:21:35 +00:00
sgjesse@chromium.org
2838a3c78b Submit builtins-mips.cc. 
This code submission will compile, but is not testable until the majority
of the mips port is in place. This has been tested externally.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7013031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7880 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 07:27:46 +00:00
ricow@chromium.org
964dbff40d Only send null or undefined as receiver for es5 natives, not generally 
for builtin functions.
Review URL: http://codereview.chromium.org/7012012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7879 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-13 07:26:44 +00:00
vitalyr@chromium.org
658e323e87 Micro-optimize passing of args to HasLocalProperty. 
Review URL: http://codereview.chromium.org/7018001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7878 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 16:19:03 +00:00
fschneider@chromium.org
5f29f9bd8e Don't use environment values at certain deoptimize-instructions. 
If a HDeoptimize does not cut away parts of the control-flow-graph
we don't need to insert uses to correctly elimiate dead phis since
the full function is visible to the optimizing compiler.

This is a small improvement of the change r7221 which fixed a problem
when deoptimizing on never executed case-clauses.
Review URL: http://codereview.chromium.org/7012010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7877 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 14:56:56 +00:00
sgjesse@chromium.org
58161ce6ed Introduce ic-mips.cc. 
This code submission will compile, but is not testable until the majority
of the mips port is in place. This has been tested externally.

BUG=
TEST=

Review URL: http://codereview.chromium.org//6973024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7876 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 14:48:20 +00:00
karlklose@chromium.org
b606195012 ARM: Fix disasm for strh, vabs, vneg. Add load/store tests. 
Patch from ARM Ltd.

BUG=none
TEST=added to test/cctest/test-disasm-arm.cc

Original review at http://codereview.chromium.org/7013024/.

Review URL: http://codereview.chromium.org/7013027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7875 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 14:44:49 +00:00
svenpanne@chromium.org
a3afc9a896 Made the output of the --trace-representation flag a bit more informative and 
centralized its handling.
Review URL: http://codereview.chromium.org/6969034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 13:36:49 +00:00
sgjesse@chromium.org
b9c771c106 ARM: Reduce amount of code generated for context save on deopt. 
BUG=none
TEST=none

Review URL: http://codereview.chromium.org//6930038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7873 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 13:33:14 +00:00
ager@chromium.org
89278730bb Make the code flushing candidate field explicit in code objects. 
This way it is counted and the rounding of the size will just work
without extra tweaking if you want to add an extra field to code
objects.

R=vegorov@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/6969037

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7872 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 13:13:00 +00:00
vitalyr@chromium.org
bc52ed0850 Extend the fast case of HasLocalProperty. 
Review URL: http://codereview.chromium.org/7016016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7871 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 12:48:10 +00:00
svenpanne@chromium.org
db563ed204 Fixed TypeFeedbackOracle for unary operations: Record code for the corresponding 
type recording IC.
Review URL: http://codereview.chromium.org/6973025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7870 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-12 08:54:13 +00:00
dslomov@chromium.org
adfa56af54 Speculative fix fo MultithreadedParallelIsolates on ARM 
It looks like the problem with the test is too many concurrently created isolates.
Cranking the number to 100 on MacOS and Linux produce similar results.

BUG=http://code.google.com/p/v8/issues/detail?id=1375
TBR=vitalyr

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7869 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 17:29:47 +00:00
sgjesse@chromium.org
4e18d50834 Add constant splitting for user controlled constants in the full compiler 
This is IA32 only for now.

Added a random value to each assembler instance (JIT cookie) to be used for constant splitting. Added safe versions of setting a register with an immediate value and for pushing an immediate value. Used these functions where user controlled immediate values could be emitted in the code stream. I also used it for immediates which are an argument number even though the number of formal arguments is currently limited to 16k.

I found no compares directly with user controlled constants.

I am not sure whether the test is that useful, but it might catch some changes missing constant splitting.

Review URL: http://codereview.chromium.org//7005031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7868 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 14:16:24 +00:00
vitalyr@chromium.org
26bf1dfd4a Kill some dead code. 
Review URL: http://codereview.chromium.org/6995048

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7867 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 13:45:30 +00:00
fschneider@chromium.org
48077e89e9 Remove support for branch hints from the IA32 and X64 assembler. 
They were not on by default and should not be needed on modern
platforms.
Review URL: http://codereview.chromium.org/7001025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7866 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 13:26:07 +00:00
vitalyr@chromium.org
03c00ee6a6 Support symbol comparison in crankshaft. 
Review URL: http://codereview.chromium.org/7000021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7865 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 12:50:04 +00:00
whesse@chromium.org
b77f131914 Don't emit code for HContext values with no uses. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/6982023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7860 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 12:11:23 +00:00
sandholm@chromium.org
fcd9380eda JSON.parse improvement. Call "LookupSymbol" rather than "NewString" 
for property string tokens.
Review URL: http://codereview.chromium.org/7004016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7859 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 11:56:15 +00:00
vitalyr@chromium.org
4cc800b3cf Support %_IsUndetectableObject in crankshaft. 
Review URL: http://codereview.chromium.org/6995046

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7856 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 11:53:43 +00:00
karlklose@chromium.org
7a798fb9e9 Prepare push to trunk. Now working on version 3.3.7. 
Review URL: http://codereview.chromium.org/7005029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7855 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 11:34:56 +00:00
fschneider@chromium.org
6db15ae34b Remove peephole optimiziations from IA32 and ARM assembler. 
They are not used with Crankshaft anymore.
Review URL: http://codereview.chromium.org/7003025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7854 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-11 11:29:53 +00:00