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1646 Commits

Author SHA1 Message Date
svenpanne@chromium.org
b5da7279b1 Introduced TypeFeedbackId and BailoutId types. 
This is a refactoring-only CL which improves the typing of IDs associated with
AST nodes. The interesting parts are in utils.h and ast.h, the rest of the CL
basically follows mechanically.

Review URL: https://chromiumcodereview.appspot.com/10831172

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12263 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-08-06 14:13:09 +00:00
yangguo@chromium.org
e0954ca592 Take advantage of batched results when matching global regexp. 
BUG=
TEST=regexp-global.js

Review URL: https://chromiumcodereview.appspot.com/10831126

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12258 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-08-06 09:06:27 +00:00
erik.corry@gmail.com
1d0f872ef9 Fix full code generator to not use --debug-code if it is in 
mksnapshot or a VM that is booted from a snapshot.  --debug-code
can still have an effect on stub and optimized code and it still
works on the full code generator when running without snapshots.

The deoptimizer generates full-code-generator code and relies on it having
the same layout as last time.  This means that the code the full code
generator makes for the snapshot should be the same as the code it makes
later.  This change makes the full code generator create more consistent
code between mksnapshot time and run time.

This is a bug fix and a step towards making the snapshot code more robust.
Review URL: https://chromiumcodereview.appspot.com/10834085

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12239 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-31 14:59:32 +00:00
danno@chromium.org
cd95464dbc Fix write barrier for StoreKeyedFastElements on ARM 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10824107

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12238 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-31 14:31:19 +00:00
erik.corry@gmail.com
8d96a0190c Fix deserializer to understand direct pointers from code to cell payloads. 
The deoptimizer generates full-code-generator code and relies on it having
the same layout as last time.  This means that the code the full code
generator makes for the snapshot should be the same as the code it makes
later.  This change makes the full code generator create more consistent
code between mksnapshot time and run time.

This is a bug fix and a step towards making the snapshot code more robust.
Review URL: https://chromiumcodereview.appspot.com/10824084

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12233 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-31 09:25:23 +00:00
danno@chromium.org
9641c25573 Improve constant element index access code generation 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10831049

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12232 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-31 08:44:51 +00:00
svenpanne@chromium.org
cb4840c0e5 Inline simple getter calls. 
Currently only simple getter calls are handled (i.e. no calls in count
operations or compound assignments), and deoptimization in the getter is not
handled at all. Because of the latter, we temporarily hide this feature behind a
new flag --inline-accessors, which is false by default.

Review URL: https://chromiumcodereview.appspot.com/10828066

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12223 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-30 10:42:21 +00:00
jkummerow@chromium.org
80c35c6522 Always set the callee's context when calling a function from optimized code. 
This is necessary even for recursive calls because we're sharing optimized code among closures, which could call each other and have distinct contexts.

BUG=138887
TEST=mjsunit/regress/regress-crbug-138887

Review URL: https://chromiumcodereview.appspot.com/10834031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-26 12:49:08 +00:00
yangguo@chromium.org
d37695e30e Fix cctests when VFP is disabled. 
R=svenpanne@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10820027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-26 08:42:42 +00:00
yangguo@chromium.org
59f212e7eb Relax requirement from VFP3 to VFP2 where possible. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10818026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-25 15:26:16 +00:00
yangguo@chromium.org
d525ddbed1 Fix static initializer check. 
R=jkummerow@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10824013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12187 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-25 14:27:14 +00:00
yangguo@chromium.org
2c9c94bd32 Classify small functions platform-dependently. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10829009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12186 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-25 13:51:29 +00:00
yangguo@chromium.org
a1f0c5b16e Add assertions to limit register count for VSTM and VLDM. 
R=svenpanne@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10807066

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12166 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-23 08:38:53 +00:00
danno@chromium.org
8c89cc4cab Optimize Smi keys for KeyedLoads 
Allows KeyeLoad/KeyedStore operations where the key is a Smi to fold the untagging of the key into the element offset calculation.

Review URL: https://chromiumcodereview.appspot.com/10735020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12156 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-20 11:00:33 +00:00
sanjoy@chromium.org
693c7643d2 Optimize functions on a second thread. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10807024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-19 18:58:23 +00:00
verwaest@chromium.org
52bfb2a18e Moved lastadded from DescriptorArray to Map. Renamed kLastAdded to kEnumCache. 
Review URL: https://chromiumcodereview.appspot.com/10802034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12146 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-19 14:45:19 +00:00
svenpanne@chromium.org
e469cc44b8 Fix compilation for ARMv5TEJ 
BUG=
TEST=Compiling for ARMv5TEJ

Review URL: https://chromiumcodereview.appspot.com/10784013
Patch from Remi Duraffort <remi.duraffort@st.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12140 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-19 09:49:12 +00:00
danno@chromium.org
43d0ed048d Implements a new API to set a function entry hook for profiling. 
Exposes a new API; V8::SetFunctionEntryHook.
If a non-NULL function entry hook is set, the code generator(s) will invoke on the entry hook at the very start of each generated function.

Committed: https://code.google.com/p/v8/source/detail?r=12069

Committed: https://code.google.com/p/v8/source/detail?r=12083

Review URL: https://chromiumcodereview.appspot.com/10706002
Patch from Sigurður Ásgeirsson <siggi@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12107 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-17 15:18:15 +00:00
verwaest@chromium.org
7cb94437cb Remove LookupTransitionOrDescriptor altogether. 
Review URL: https://chromiumcodereview.appspot.com/10778011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12100 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-16 15:26:10 +00:00
mstarzinger@chromium.org
bb9f4470c6 Fix missing tagging of stack value in finally block. 
R=yangguo@chromium.org
BUG=chromium:137496
TEST=cctest/test-api/Regress137496

Review URL: https://chromiumcodereview.appspot.com/10787017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-16 13:38:17 +00:00
yangguo@chromium.org
022ba0588a Fix transcendental cache on ARM in optimized code. 
R=jkummerow@chromium.org
BUG=v8:2234
TEST=regress-2234.js

Review URL: https://chromiumcodereview.appspot.com/10695205

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12086 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-16 09:44:59 +00:00
danno@chromium.org
b1530257ab Revert 12083: Implements a new API to set a function entry hook for profiling. 
TBR=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10695206

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-13 16:33:27 +00:00
danno@chromium.org
5c8c4bec46 Implements a new API to set a function entry hook for profiling. 
Exposes a new API; V8::SetFunctionEntryHook.
If a non-NULL function entry hook is set, the code generator(s) will invoke on the entry hook at the very start of each generated function.

Committed: https://code.google.com/p/v8/source/detail?r=12069

Review URL: https://chromiumcodereview.appspot.com/10706002
Patch from Sigurður Ásgeirsson <siggi@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12083 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-13 16:18:37 +00:00
danno@chromium.org
30569cba9b Revert 12069: Implements a new API to set a function entry hook for profiling 
Reverted due to waterfall failures

TBR=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10704189

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12070 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-12 15:59:50 +00:00
danno@chromium.org
d6edbdd436 Implements a new API to set a function entry hook for profiling. 
Exposes a new API; V8::SetFunctionEntryHook.
If a non-NULL function entry hook is set, the code generator(s) will invoke on the entry hook at the very start of each generated function.

Review URL: https://chromiumcodereview.appspot.com/10706002
Patch from Sigurður Ásgeirsson <siggi@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12069 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-12 15:42:39 +00:00
sanjoy@chromium.org
31027880b0 Rename LChunkBase to LChunk, LChunk to LPlatformChunk and remove some unneeded explicit constructor attributes. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10701157

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12067 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-12 15:29:14 +00:00
sanjoy@chromium.org
c1ee1b457f Break Crankshaft into phases. 
Crankshaft now runs by calling CreateGraph on the HGraphBuilder, then
calling Optimize and Codegen on the HGraph.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10700115

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12064 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-12 15:10:34 +00:00
sanjoy@chromium.org
5765fa2546 Defer creating Handles for HConstants to the code generation phase. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10544196

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12048 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-11 16:17:02 +00:00
sanjoy@chromium.org
951b64d55f Remove duplicated LChunk code. 
Divide the LChunk class into an arch-independent LChunkBase and an
arch-dependent LChunk which inherits from LChunkBase.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10701141

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12045 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-11 14:42:17 +00:00
verwaest@chromium.org
b008d99b11 Ensure that all descriptors have a valid enumeration index, and replace NextEnumIndex with LastAdded. 
The LastAdded points to the descriptor that was last added to the array. From the descriptor we can deduce the NextEnumerationIndex. This allows us to quickly find the property that we are transitioning to, which is necessary for transition-intensive code, eg JSON parsing.

Review URL: https://chromiumcodereview.appspot.com/10695120

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12042 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-11 14:26:42 +00:00
danno@chromium.org
5b2a27aad4 Fix compile errors in Visual C++ 2008. 
R=danno@chromium.org
BUG=None
TEST=ARM compiles on VC 2008.

Review URL: https://chromiumcodereview.appspot.com/10690111
Patch from Sigurður Ásgeirsson <siggi@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12039 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-11 10:08:56 +00:00
danno@chromium.org
299a0ab1d5 Port r11344 (Try aligning unboxed double array backing store in allocation or 
scavenge promotion.) to ARM.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10696097
Patch from Rodolph Perfetta <rodolph.perfetta@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-10 13:33:19 +00:00
verwaest@chromium.org
45419ee145 Swap bitfield3 and backpointer. 
Bitfield3 now has its own field, while the backpointer shares the field with the descriptor array; which will become the transition array.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10692130

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12034 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-10 13:31:36 +00:00
verwaest@chromium.org
d7a5b7d5e2 Separating transitions from descriptors. 
In this design maps contain descriptor arrays, which in turn can contain transition arrays. If transitions are needed when no descriptor array is present, a descriptor array without real descriptors is inserted just so it can point at the transition array.

The transition array does not contain details about the field it transitions to. In order to weed out transitions to FIELDs from CONSTANT_FUNCTION (what used to be MAP_TRANSITION vs CONSTANT_TRANSITION), the transition needs to be followed and the details need to be looked up in the target map. CALLBACKS transitions are still easy to recognize since the transition targets are stored as an AccessorPair containing the maps, rather than the maps directly.

Currently AccessorPairs containing a transition and an accessor are shared between the descriptor array and the transition array. This simplifies lookup since we only have to look in one of both arrays. This will change in subsequent revisions, when descriptor arrays will become shared between multiple maps, since transitions cannot be shared.

Review URL: https://chromiumcodereview.appspot.com/10697015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11994 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-05 13:54:20 +00:00
svenpanne@chromium.org
ebff0eb7b3 Handle accessors on the prototype chain in StoreICs. 
Made stub compiler function signatures a bit more consistent on the way.

Review URL: https://chromiumcodereview.appspot.com/10735003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-04 11:40:51 +00:00
mstarzinger@chromium.org
a90c023d5e Allow inlining of functions containing array literals. 
R=yangguo@chromium.org
BUG=v8:1322
TEST=mjsunit/compiler/inline-literals

Review URL: https://chromiumcodereview.appspot.com/10689005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11942 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-27 14:46:01 +00:00
mstarzinger@chromium.org
df35732ab2 Allow inlining of functions containing RegExp literals. 
R=yangguo@chromium.org
BUG=v8:1322
TEST=mjsunit/compiler/inline-literals

Review URL: https://chromiumcodereview.appspot.com/10703005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11940 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-27 11:49:37 +00:00
verwaest@chromium.org
41560e9f5f Separate stub types from property types. 
Review URL: https://chromiumcodereview.appspot.com/10656018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11920 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-25 11:35:23 +00:00
verwaest@chromium.org
1cff0c498e Cleaning up usage of lookup results. 
- Ensure that IsFound() is only used when not in combination with other
  checks. To do so, the default type is NONEXISTENT rather than NORMAL;
  and NotFound() also resets the type to NONEXISTENT.
- Use test methods rather than .type() == A_PROPERTY_TYPE.

Review URL: https://chromiumcodereview.appspot.com/10626004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11899 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-21 15:32:52 +00:00
erik.corry@gmail.com
d31ed98428 Fix GC bug with missing handle. Bug=133618 
Review URL: https://chromiumcodereview.appspot.com/10559083

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11886 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-20 13:40:10 +00:00
sanjoy@chromium.org
9e4fbb45c1 One Zone per CompilationInfo. 
The CompilationInfo record now saves a Zone, and the compiler pipeline
allocates memory from the Zone in the CompilationInfo.  Before
compiling a function, we create a Zone on the stack and save a pointer
to that Zone to the CompilationInfo; which then gets picked up and
allocated from.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10534139

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11877 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-20 08:58:41 +00:00
mstarzinger@chromium.org
b1fe586e6b Fix optimized code caching in FastNewClosureStub. 
This fixes a corner-case on ARM and MIPS where optimized code was not
shared immediately across closures when a function was used in several
global contexts at once.

R=ulan@chromium.org
TEST=cctest/test-compiler/OptimizedCodeSharing

Review URL: https://chromiumcodereview.appspot.com/10544205

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11850 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-18 13:26:43 +00:00
danno@chromium.org
d03c2374bd Fix packed-element.js test on ARM with no snap 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10546171

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11826 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-15 09:15:57 +00:00
yangguo@chromium.org
a075583479 Unbreak interpreted regexp. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10535164

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11825 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-14 17:06:16 +00:00
yangguo@chromium.org
c0d2fe256b Check for valid PC when stepping in the ARM sim debugger. 
BUG=v8:2134
TEST=

Review URL: https://chromiumcodereview.appspot.com/10546169

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11821 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-14 15:04:27 +00:00
fschneider@chromium.org
bb0a2ea766 Share optimized code for closures. 
Each SharedFunctionInfo gets an optimized code map to store
one optimized code object per context. When allocating a new
closure we consult this map and check if there is optimized code
that can be shared.

This patch is based on an original patch
by Anton Muhin (http://codereview.chromium.org/6793013/).

BUG=v8:2087, v8:2094
TEST=test/mjsunit/compiler/optimized-closures.js
Review URL: https://chromiumcodereview.appspot.com/10103035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11817 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-14 14:06:22 +00:00
yangguo@chromium.org
fb81da2e5f ARM: Fix literal pool handling for breakpoints in debugger. 
BUG=2177
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10449047
Patch from Martyn Capewell <m.m.capewell@googlemail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11812 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-14 11:16:47 +00:00
yangguo@chromium.org
ce6aa5c251 Remove faster ticks for debug mode. 
This solves the problem that code runs very slow when the debugger is enabled.

BUG=v8:2179
TEST=

Review URL: https://chromiumcodereview.appspot.com/10544135

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11802 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-13 14:07:50 +00:00
svenpanne@chromium.org
1ea5db0ed3 Martyn Capewell <m.m.capewell@googlemail.com> 
Review URL: https://chromiumcodereview.appspot.com/10451037

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11784 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-12 17:26:28 +00:00
erikcorry
0418b67142 Add negative lookups to polymorphic loads in Crankshaft. 
Review URL: http://codereview.chromium.org/10539110

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11780 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-12 15:44:12 +00:00