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335 Commits

Author SHA1 Message Date
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
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
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
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
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
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
danno@chromium.org
43a1f5e25d Eliminate redundant smi checks 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10543094

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11774 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-12 12:16:19 +00:00
sanjoy@chromium.org
6125718f37 Remove TLS access for current Zone. 
By passing around a Zone object explicitly we no longer need to do a
TLS access at the sites that allocate memory from the current Zone.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10534006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11761 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-11 12:42:31 +00:00
sanjoy@chromium.org
98db16d94f Progress towards making Zones independent of Isolates and Threads. 
This CL changes some parts of the code to explicitly pass around a
Zone.  Not passing in a zone is okay too (in fact most of v8 still
doesn't), but that may incur a TLS lookup.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10443114

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11709 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-04 14:42:58 +00:00
mstarzinger@chromium.org
ebe9a0e0b2 Fix missing write barrier in store field stub. 
R=vegorov@chromium.org
BUG=v8:2143,v8:1465,chromium:129355
TEST=cctest/test-heap/Regress2143

Review URL: https://chromiumcodereview.appspot.com/10443052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11678 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-29 16:39:26 +00:00
danno@chromium.org
9910edbb9a Implement tracking and optimizations of packed arrays 
R=jkummerow@chromium.org
TEST=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10170030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11636 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-23 14:24:29 +00:00
mmassi@chromium.org
2fd1e1bbc2 Array index computation dehoisting. 
When an array index (in an array access) is a simple "expression + constant", just embed the constant in the array access operation so that the full index expression is (potentially) no longer used and its live range can be much shorter.
This is effective in conjunction with array bounds check removal (otherwise the index is anyway used in the check).

Review URL: https://chromiumcodereview.appspot.com/10382055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11596 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-21 07:59:50 +00:00
erik.corry@gmail.com
423451aed7 Simplify DoLoadNamedFieldPolymorphic 
Review URL: https://chromiumcodereview.appspot.com/10386089

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11543 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-11 09:13:02 +00:00
erik.corry@gmail.com
f8bdbf1ce1 Fix compose-discard crasher from 11524 - port to x64, ARM, MIPS. 
This is now bug 2123.
TBR=mstarzinger
Review URL: https://chromiumcodereview.appspot.com/10391061

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11540 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-10 21:25:49 +00:00
mstarzinger@chromium.org
b54ca31fb2 Fix LFastLiteral to check boilerplate elements kind. 
Adds a missing check that the elements kind of the boilerplate object
still has the expected elements kind, unoptimized code can transition
the boilerplate. Corner cases might cause the optimized code to be
reentered again.

R=danno@chromium.org
TEST=mjsunit/regress/regress-fast-literal-transition

Review URL: https://chromiumcodereview.appspot.com/10254006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11470 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-30 14:59:13 +00:00
fschneider@chromium.org
f46906d7a8 Reduce size of LIR instruction by one word and remove dead code. 
Until now we always recorded two deoptimization environments for instructions
that are marked as calls. We actually don't need two for all LIR
instructions except one (LInstanceOfKnownGlobal) where there is a lazy
deoptimization point in deferred code.

This change remove on of them and uses one virtual function instead
to make LInstanceOfKnownGlobal work as before.

Additionally, this change removes an unused predicate save_doubles_ from LIR
instructions and removes some helper functions that are used only in one place.
Review URL: https://chromiumcodereview.appspot.com/10035021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11454 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-26 12:43:00 +00:00
fschneider@chromium.org
6e713a269d Optimise Math.floor(x/y) to use integer division for specific divisor. 
Landing for Rodolph Perfetta <rodolph.perfetta@gmail.com>. 

Original CL: http://codereview.chromium.org/9638018/
Review URL: https://chromiumcodereview.appspot.com/10197010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11427 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-24 15:59:07 +00:00
fschneider@chromium.org
09657d94eb Revert r11420 because Win32 compilation was broken. 
TBR=danno@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10190007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11421 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-23 18:12:36 +00:00
fschneider@chromium.org
2957c20926 optimise Math.floor(x/y) to use integer divisiion for specific divisor. 
BUG=none
TEST=mjsunit/math-floor-of-div.js

Landing for Rodolph Perfetta <rodolph.perfetta@gmail.com>.
Review URL: https://chromiumcodereview.appspot.com/9638018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11420 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-23 17:44:21 +00:00
vegorov@chromium.org
fd9bd722bc Simplify invocation sequence at monomorphic function invocation sites. 
Provide known target as a hint to HInvokeFunction instruction so that it can statically determine if arguments adaptation is required.

R=fschneider@chromium.org
BUG=v8:2079

Review URL: https://chromiumcodereview.appspot.com/10116021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11364 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-18 09:38:45 +00:00
mstarzinger@chromium.org
47d07b8a7b Fix fast array literals to ignore prototype chain. 
This makes sure that boilerplate objects for array literals with
non-constant elements (which will contain the hole at non-constant
positions) will not cause prototype chain lookups when generating
optimized code.

R=erik.corry@gmail.com
BUG=chromium:123512
TEST=mjsunit/regress/regress-123512

Review URL: https://chromiumcodereview.appspot.com/10105025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11350 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-17 11:12:37 +00:00
vegorov@chromium.org
8bdbfc02e7 Skip canonicalization check in LStoreKeyedFastDoubleElement when it is not needed: 
- if value is a result of integer32 to double conversion (can't be NaN);

- if value was loaded from fast double backing store (already canonicalized).

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10054009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11278 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-11 14:08:11 +00:00
vegorov@chromium.org
983d521fe9 Reland arguments access support for inlined functions (r11109,r11118). 
When pushing arguments use correct initial values instead of fetching them from the environment which can be modified.

R=fschneider@chromium.org
TEST=test/mjsunit/compiler/inline-arguments.js

Review URL: https://chromiumcodereview.appspot.com/10033028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11274 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-11 13:40:55 +00:00
mstarzinger@chromium.org
78226352b7 Ensure HAllocateObject always allocates in new-space. 
This is needed so that we can start removing write-barriers in optimized
code if we can prove that the receiver object is always in new-space.

TEST=cctest/test-heap/OptimizedAllocationAlwaysInNewSpace

Review URL: https://chromiumcodereview.appspot.com/10008007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11243 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-05 15:36:31 +00:00
mstarzinger@chromium.org
ab4e4cd917 Improve polymorphic loads on single slots. 
If all property lookups for a polymorphic load actually result in the
same field index under all maps, we can actually emit a monomorphic load
that is guarded by a map check that verifies that the actual map is in
the set of handled maps. This also allows GVN to get rid of redundant
such map checks.

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9616014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11132 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-23 16:37:54 +00:00
vegorov@chromium.org
3ccc885c78 Revert arguments access support for inlined functions (r11109,r11118). 
We are inserting HPushArgument instructions after HEnterInlined based on the environment at the point of the first arguments access. Which might create use before def if there are redundant phis in the environment. 
Review URL: https://chromiumcodereview.appspot.com/9837041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-23 15:39:34 +00:00
mmassi@chromium.org
c39c2089a7 First implementation of fast path for instantiation of array literals composed of doubles. 
Review URL: https://chromiumcodereview.appspot.com/9814006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11114 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-23 10:14:51 +00:00
vegorov@chromium.org
b7dca5d5a7 Support arguments object access from inlined functions. 
R=fschneider@chromium.org
TEST=test/mjsunit/compiler/inline-arguments.js

Review URL: https://chromiumcodereview.appspot.com/9837002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11109 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-22 13:53:28 +00:00
fschneider@chromium.org
b0bb4f078a Fix assertion failure due to too many deoptimization ids. 
The failing mozilla test was caused by more deoptimizations
introduced by --always-opt and r11087.

We abort code generation in release mode, so we should do
the same in debug mode.
Review URL: https://chromiumcodereview.appspot.com/9752004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11091 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-20 08:49:23 +00:00
vegorov@chromium.org
da03f56b1f Inline functions that use arguments object in f.apply(o, arguments) pattern. 
Support arguments materialization after deoptimization in all frames (not only in topmost one).

R=fschneider@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9643001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11008 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 12:49:41 +00:00
ulan@chromium.org
1767fef60b Implement date library functions in C++. 
Developed together with Andreas Rossberg based on:
  https://chromiumcodereview.appspot.com/9117034/
  https://chromiumcodereview.appspot.com/9307083/

R=rossberg@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9572008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 12:07:29 +00:00
rossberg@chromium.org
8604da7f06 New class for Date objects: caches individual date components. 
First step, cache slots not used yet.

R=ulan@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9117034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10981 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 11:11:55 +00:00
yangguo@chromium.org
c3c36137da Port r10939 to x64 and arm (inline Math.random in crankshaft). 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9615012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10947 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-06 16:12:11 +00:00
fschneider@chromium.org
751d53d9d2 Make trace-hydrogen output more visualizer-friendly. 
Review URL: https://chromiumcodereview.appspot.com/9580005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10904 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-02 13:05:59 +00:00
fschneider@chromium.org
a8980079a0 Add flag --trace-phase to selectively produce IR trace output. 
By default --trace-hydrogen only generates the final IR (before
code generation). The other phases can be printed by specifying
them by their first letter. Currently H=HIR, L=LIR or Z=final IR (default)
are recognized.
Review URL: https://chromiumcodereview.appspot.com/9535009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10882 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-01 11:33:37 +00:00
mstarzinger@chromium.org
fd5640cf7a Implement inlined object allocation in Crankshaft. 
Generates inlined code for object allocation specific to the initial map
of the given constructor function. Also forces completion of inobject
slack tracking while crankshafting to finalize instance size of these
objects.

R=vegorov@chromium.org
TEST=mjsunit/compiler/alloc-object

Review URL: https://chromiumcodereview.appspot.com/9370019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10881 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-01 11:10:28 +00:00
mstarzinger@chromium.org
fb8eb04bfd Implement inlining of constructor calls. 
R=vegorov@chromium.org,kmillikin@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9304001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10849 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-28 09:05:55 +00:00
vegorov@chromium.org
6703dddac4 Support fast case for-in in Crankshaft. 
Only JSObject enumerables with enum cache (fast case properties, no interceptors, no enumerable properties on the prototype) are supported.

HLoadKeyedGeneric with keys produced by for-in enumeration are recognized and rewritten into direct property load by index. For this enum-cache was extended to store property indices in a separate array (see handles.cc).

New hydrogen instructions:

- HForInPrepareMap: checks for-in fast case preconditions and returns map that contains enum-cache;
- HForInCacheArray: extracts enum-cache array from the map;
- HCheckMapValue: map check with HValue map instead of immediate;
- HLoadFieldByIndex: load fast property by it's index, positive indexes denote in-object properties, negative - out of object properties;

Changed hydrogen instructions:

- HLoadKeyedFastElement: added hole check suppression for loads from internal FixedArrays that are knows to have no holes inside.

R=fschneider@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9425045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10794 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-22 12:47:42 +00:00
mstarzinger@chromium.org
1dd2b094a5 Implement fast literal support in Crankshaft. 
This extends the current support for nested object literals we already
have in Crankshaft, to also support nested array literals and mixed
nested literals containing arrays and objects. All three types are
generated by the unified HFastLiteral instruction.

All previous upper bounds on nested literal graphs remain unchanged,
keeping the size of generated code in check.

The main intention is to boost performance of two-dimensional array
literals containing constant elements (aka. matrices).

R=danno@chromium.org
TEST=mjsunit/compiler/literals-optimized

Review URL: https://chromiumcodereview.appspot.com/9403018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10734 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-16 17:32:30 +00:00
fschneider@chromium.org
0be449d684 Enable optimization of top-level code and generate deoptimization support lazily. 
This change enables optimization of top-level and eval-code. For this to work, it adds
support for declaring global variables in optimized code.

At the same time it disables the eager generation of deoptimization support data
in the full code generator (originally introduced in
 r10040). This speeds up initial compilation and saves 
memory for functions that won't be optimized. It requires
 recompiling the function with deoptimization
 support when we decide to optimize it.

Review URL: https://chromiumcodereview.appspot.com/9187005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10700 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-14 14:14:51 +00:00
mstarzinger@chromium.org
0db91d40e9 Allow inlining of functions containing object literals. 
R=fschneider@chromium.org
BUG=v8:1322
TEST=mjsunit/compiler/inline-literals

Review URL: https://chromiumcodereview.appspot.com/9388007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10689 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-14 08:57:10 +00:00
fschneider@chromium.org
5bc8a69055 Remove another two unused flags. 
Review URL: https://chromiumcodereview.appspot.com/9358019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10634 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-08 10:26:17 +00:00
danno@chromium.org
dab8048597 Fix for assertion failure on kraken on ARM (Issue 1923). 
BUG=http://code.google.com/p/v8/issues/detail?id=1923
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9264039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10570 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-31 13:55:46 +00:00
yangguo@chromium.org
f2eda210d0 Some assembler-level optimizations on ARM. 
Review URL: https://chromiumcodereview.appspot.com/9223011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10541 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-27 16:54:22 +00:00
danno@chromium.org
900a0012ce Improve register allocation for Lithium representation changes on ARM 
BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9207006
Patch from Martyn Capewell <m.m.capewell@googlemail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10538 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-27 14:55:20 +00:00
mstarzinger@chromium.org
8c12b6b743 Implement target cache for constructor calls. 
This caches call targets of constructor calls by associating one element
caches with call sites. The type feedback oracle can use the recorded
valued to gather type information for monomorphic constructor call sites.

R=kmillikin@chromium.org,vegorov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/8932004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10531 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-27 13:03:19 +00:00