AuroraMiddleware/v8
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80 Commits

Author SHA1 Message Date
kbr@chromium.org
46e6297e3e Added infrastructure for optimizing new CanvasArray types in WebGL 
specification under development. The optimizations are patterned after
those previously done for CanvasPixelArray. This CL adds all of the
necessary framework but continues to use the generic KeyedLoadIC and
KeyedStoreIC code, to create a baseline for benchmarking purposes. The
next CL will add the optimized ICs to ic-ia32.cc and ic-x64.cc.

These new CanvasArray types have different semantics than
CanvasPixelArray; out-of-range values are clamped via C cast
semantics, which is cheaper than the clamping behavior specified by
CanvasPixelArray. Out-of-range indices raise exceptions instead of
being silently ignored.

As part of this work, pulled FloatingPointHelper::AllocateHeapNumber
up to MacroAssembler on ia32 and x64 platforms. Slightly refactored
KeyedLoadIC and KeyedStoreIC. Fixed encoding for fistp_d on x64 and
added a few more instructions that are needed for the new ICs. The
test cases in test-api.cc have been verified by hand to exercise all
of the generated code paths in the forthcoming specialized ICs.

Review URL: http://codereview.chromium.org/293023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-10-20 15:26:17 +00:00
sgjesse@chromium.org
a637f45385 Fix issue 475 
The check for arguments in registers in one of the three versions of GenericBinaryOpStub::GenerateCall was plain wrong.

BUG=475
TEST=mjsunit/regress/regress-475.js
Review URL: http://codereview.chromium.org/307002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3092 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-10-20 12:13:31 +00:00
fschneider@chromium.org
8d47ca4ed2 Fixed use of 'overwrite' flag for unary minus expressions. 
Review URL: http://codereview.chromium.org/276018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3063 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-10-14 13:12:38 +00:00
kmillikin@chromium.org
b6a215700e Add a pair of missing breaks to a switch statement. 
Review URL: http://codereview.chromium.org/267050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3050 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-10-12 14:00:11 +00:00
kmillikin@chromium.org
586f94f292 Split the AST LoopStatement type into separate types for do/while, 
while, and for loops.

Previously they were distinguished by a type field, which required
runtime asserts to avoid invalid nodes (since not all loop types have
the same internal structure).  Now they C++ type system is used to
require well-formed loop ASTs.

Because they do not share compilation code, we had very large
functions in the code generators that merely did a runtime dispatch to
a specific implementation based on the type.
Review URL: http://codereview.chromium.org/269049

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3048 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-10-12 13:14:06 +00:00
sgjesse@chromium.org
8105ae3106 Optimize calls to GenericBinaryStub. 
The calls to GenericBinaryStub can now pass the arguments in registers instead of on the stack. It is supported for ADD, SUB, MUL and DIV. The convention in GenericBinaryStub is not changed so the left operand is passed in edx and the right one in eax. When the stub contains smi code arguments are always passed on the stack as the smi code has to have left and right operands on eax and ebx, so moving from edx,eax to eax,ebx is not worth it and the smi code also trashes the registers so if arguments where passed in registers they would have to be saved on the stack anyway.

Added flags to disable the use of certain Intel CPU features to make it easier to test different code paths.
Review URL: http://codereview.chromium.org/246075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3041 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-10-08 14:27:46 +00:00
sgjesse@chromium.org
b1a5bf4c5d Change the functions named AllocateObjectInNewSpace to AllocateInNewSpace. 
These functions just moves forward the new space allocation top, and in some situations they are used to reserve space for several objects.
Review URL: http://codereview.chromium.org/219030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2993 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-09-30 09:24:46 +00:00
kmillikin@chromium.org
928bfae405 Remove CallEval as a subclass of the Call AST node type. We were not 
differentiating between Call and CallEval except in the code
generator, and the difference can be detected from a regular Call AST
node at code generation time.

Review URL: http://codereview.chromium.org/245042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-09-29 13:28:30 +00:00
sgjesse@chromium.org
6f83ad58cc Compile without debugger support in debug mode 
This makes it possible to build V8 without JavaScript debugging support in debug mode.

BUG=http://code.google.com/p/v8/issues/detail?id=454
Review URL: http://codereview.chromium.org/242048

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-09-29 09:21:19 +00:00
kmillikin@chromium.org
f0ba671344 Move the per-ast-node statement position to only statement node types. 
It was not currently being used for expressions or declarations and
always had the default initial value.

Review URL: http://codereview.chromium.org/246019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2976 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-09-28 12:01:05 +00:00
whesse@chromium.org
cf37189c65 Use SSE2 instructions when available on ia32 platform. 
Review URL: http://codereview.chromium.org/197057

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2868 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-09-10 07:13:01 +00:00
lrn@chromium.org
8f60f1a46f Win64 - Allow returning two values from a runtime function. 
(Not yet fully functional)

Review URL: http://codereview.chromium.org/201042


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2845 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-09-08 11:52:05 +00:00
sgjesse@chromium.org
2192a315a4 Second step in allocating objects in generated code on ARM. 
Objects which require an additional fixed array to be allocated now have this allocated in generated code as well. Added allocation flags to the macro assembler new space allocation routines.

Changed the ia32 and x64 macro assemblers to take allocation flags to the allocation routines instead of boolean flag.
Review URL: http://codereview.chromium.org/201015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2832 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-09-07 09:44:29 +00:00
sgjesse@chromium.org
a4eed24c26 Add allocation support to ia32 macro assembler. 
Factored out the allocation in new space from assembler code into the macro assembler. To support the current allocation patterns a number of different functions where required.

This is change is identical to http://codereview.chromium.org/174524 (committed in r2768 and reverted in r2769) except that line 710 in macro-assembler-ia32.cc is

  cmp(result_end, Operand::StaticVariable(new_space_allocation_limit));

instead of

  cmp(result, Operand::StaticVariable(new_space_allocation_limit));

and pre-submit fixes as well.

TBR=ager@chromium.org
Review URL: http://codereview.chromium.org/174600

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2771 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-27 09:08:16 +00:00
whesse@chromium.org
48d1e49262 Use stack frame marker constants to mark arguments adaptor frame. 
Review URL: http://codereview.chromium.org/174522

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2770 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-27 07:44:37 +00:00
sgjesse@chromium.org
a6973777bb Reverting 2768. 
Review URL: http://codereview.chromium.org/173561

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-27 07:41:31 +00:00
sgjesse@chromium.org
1c46ee8c10 Add allocation support to ia32 macro assembler. 
Factored out the allocation in new space from assembler code into the macro assembler. To support the current allocation patterns a number of different functions where required.
Review URL: http://codereview.chromium.org/174524

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2768 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-27 07:24:03 +00:00
ager@chromium.org
0efbd40baf Add support for forceful termination of JavaScript execution. 
The termination is achieved by throwing an exception that is uncatchable by JavaScript exception handlers.
Review URL: http://codereview.chromium.org/174056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-19 15:14:11 +00:00
whesse@chromium.org
5b8d422524 Remove one of the GCs performed by the --gc-greedy flag. The GC performed by CEntryStub before the first call to C, when --gc-greedy is set, caused a bug in calling API callbacks. 
Review URL: http://codereview.chromium.org/171104

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2706 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-18 10:52:14 +00:00
ager@chromium.org
1656dd639a Fix regression caused by the generation of a shift stub during 
snapshot creation in a better way.

Encode whether or not the stub should use sse3 instructions in the
minor key of the stub.  The stubs generated during snapshot creation
will have sse3 disabled, but they will not be found when sse3 is
enabled.  Therefore they will only affect the code generated as part
of the snapshot.
Review URL: http://codereview.chromium.org/172086

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2705 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-18 09:47:45 +00:00
whesse@chromium.org
863582bad4 Make sure use of eax in inlined sin and cos is safe. 
Review URL: http://codereview.chromium.org/164061

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2639 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-06 14:42:38 +00:00
kmillikin@chromium.org
23fbd8fe3f Add support to the CFG builder for non-short-circuited binary 
expressions.  Add compilation support in fast mode (optimized for
compilation time and code size).

This breaks one debugger test each on ARM and IA32 (expectedly).
Review URL: http://codereview.chromium.org/160584

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2628 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-08-05 12:52:31 +00:00
mikhail.naganov@gmail.com
33f54fa6e2 X64: enable stack sampling in profiler. 
Added necessary code to initialize Top::js_entry_sp value.
Renamed 'test-log-ia32' test to 'test-log-stack-tracer' and enabled it in 64-bit version.

Review URL: http://codereview.chromium.org/160446


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2597 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-07-31 11:07:05 +00:00
iposva@chromium.org
1ce28eda0b - Expose CanvasPixelArray functionality directly in JavaScript 
indexed property accesses.
- The IC stubs have not been updated to handle these directly, but
  at least we do not have to leave the VM to access bytes.

Review URL: http://codereview.chromium.org/159263

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2549 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-07-28 08:43:51 +00:00
kmillikin@chromium.org
dc30b11fbc Fix some defects identifies by Coverity Prevent. All are false 
positives, but I've restructured the code to be more explicit.

Review URL: http://codereview.chromium.org/159192

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2521 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-07-22 11:29:38 +00:00
whesse@chromium.org
76833936b7 Make Array::kHeaderSize protected, and only use kHeaderSize of its subclasses. 
Many X64 bugs have been due to the difference between (unaligned) Array::kHeaderSize and (aligned) FixedArray::kHeaderSize.
Review URL: http://codereview.chromium.org/155687

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2502 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-07-17 12:12:24 +00:00
kasperl@chromium.org
55a8088bd8 Add support for tracking down leak of the hole value. 
Review URL: http://codereview.chromium.org/149522

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2432 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-07-13 09:17:04 +00:00
erik.corry@gmail.com
c9e004a808 Add a compare stub on ARM. 
Review URL: http://codereview.chromium.org/151003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2295 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-29 13:52:13 +00:00
kasperl@chromium.org
f1ffd50257 Optimize %ClassOf() on IA-32 and use it instead of the 
custom %HasXXXClass() calls.
Review URL: http://codereview.chromium.org/151018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2293 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-29 10:45:16 +00:00
kasperl@chromium.org
a1622491af Optimize %IsConstructCall() on IA-32. 
Review URL: http://codereview.chromium.org/150018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2290 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-29 08:14:06 +00:00
kasperl@chromium.org
3ae01ab8ef Fix issue 392 by disabling the TakeValue optimization for 
access to the arguments object.
Review URL: http://codereview.chromium.org/150016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2285 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-29 06:20:52 +00:00
ager@chromium.org
681ab6e30c Reintroduce recording of source position that was lost on ia32 for 
some reason.
Review URL: http://codereview.chromium.org/147147

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-25 12:20:15 +00:00
ager@chromium.org
a5331d6426 Fix instance type check in apply optimization. 
We accidentally compared a map address with an instance type.  This
fix additionally avoids an upper bounds check that is not needed.

Review URL: http://codereview.chromium.org/149003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2272 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-25 11:35:03 +00:00
lrn@chromium.org
76ac8bc73b Removed static type inference and add a dynamic test for string addition. 
The complexity of static type inference never really paid off, and as an
analysis it didn't fit well with codegen frame propagation.

Review URL: http://codereview.chromium.org/146077


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2262 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-24 12:46:00 +00:00
kasperl@chromium.org
f66ea38c0b Allocate arguments object on-demand instead of at function entry. 
This allows Function.prototype.apply to not allocate the objects 
and copy the arguments directly from the stack.
Review URL: http://codereview.chromium.org/147075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2256 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-24 08:01:38 +00:00
whesse@chromium.org
da49c0f8a2 X64 implementation: Add function literals and function calls. 
Review URL: http://codereview.chromium.org/131029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2217 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-18 11:46:38 +00:00
erik.corry@gmail.com
5f77401b0c Inline mod for integer powers of 2. 
Review URL: http://codereview.chromium.org/126293

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2215 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-18 07:33:44 +00:00
kasperl@chromium.org
01216a069b Add fast negative checks for symbol equality: If we're comparing 
two symbols, they're only equal if the objects are identical.
Review URL: http://codereview.chromium.org/125184

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-16 12:54:07 +00:00
kmillikin@chromium.org
73fe551048 Remove the unused support for jump-table switch statements. 
Review URL: http://codereview.chromium.org/126193

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-16 09:50:37 +00:00
kasperl@chromium.org
7f27314644 Fix stack alignment issue with the new fast Math.random() code 
under Mac OS.
Review URL: http://codereview.chromium.org/125123

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2168 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-15 13:17:09 +00:00
ager@chromium.org
c1d0401b3d Two small fixes for the Math.sin and Math.cos optimizations. 
Review URL: http://codereview.chromium.org/125122

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2167 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-15 12:55:48 +00:00
ager@chromium.org
225a6a82b0 Optimize Math.sin and Math.cos by avoiding runtime calls. 
Review URL: http://codereview.chromium.org/125121

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2166 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-15 12:06:48 +00:00
kasperl@chromium.org
ce7cdbd799 Change the implementation of Math.random to use George 
Marsaglia's multiply-with-carry instead of mixing the
bits obtained from calling the system random() twice.

This seems to be a bit faster and gives a better 
distribution than the system random() in particular on 
Windows. 
Review URL: http://codereview.chromium.org/126113

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2159 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-15 08:04:47 +00:00
kmillikin@chromium.org
6ed860b7d6 Remove branching and binding with two arguments from the JumpTarget 
class.  Manually manage off-frame results at the two sites where they
were used.

Review URL: http://codereview.chromium.org/125048

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2157 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-12 14:43:27 +00:00
kmillikin@chromium.org
b318835cdc First round of JumpTarget simplification. Remove dead functions (jumps, 
branches, and bind with more than two arguments).  Remove unneeded
variable (the "watermark" on virtual frames).

Review URL: http://codereview.chromium.org/125045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2153 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-12 11:25:13 +00:00
ager@chromium.org
f706cfa30c Fix debugger after inlined keyed store change. 
Make sure that the IC is always hit when debugging and make sure to
restore the fast case when leaving the debugger.
Review URL: http://codereview.chromium.org/125044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2152 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-12 11:24:13 +00:00
ager@chromium.org
a8507cb43d Inline keyed stores if the code is in a loop and the key is likely to 
be a smi.

The inlined version works for stores to JSArrays where the key is a
smi that is within bounds of the array and the value is either
constant or a smi so we can skip the write-barrier.
Review URL: http://codereview.chromium.org/122035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2144 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-11 13:17:26 +00:00
kmillikin@chromium.org
2d7d89d831 Get rid of the notion of "parameter pointer" that no longer exists in 
the implementation but still lives on in comments and identifier
names.

Where it was used, it has been changed to "caller's stack pointer".
Review URL: http://codereview.chromium.org/118500

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2137 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-10 15:08:25 +00:00
kmillikin@chromium.org
35b5aab3c7 Fix a bug when shifting left by zero. Ensure that the left operand is 
writable (non-aliased) so it can be used for the result in the slow
case.

Review URL: http://codereview.chromium.org/118496

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-10 12:41:57 +00:00
erik.corry@gmail.com
8bd85d8c82 Add instanceof stub for ARM. 
Review URL: http://codereview.chromium.org/119353

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2132 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2009-06-10 11:42:13 +00:00