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10750 Commits

Author SHA1 Message Date
verwaest@chromium.org
e53471dbaa Remove elements transitions from the transition array. 
This is preparatory work for reordering the transition tree. Since elements transitions will be at the root of the transition tree, runtime access to them is slow since we have to walk the transition tree backwards first. Hence remove the optimization that promoted them to a special field, requiring a pointer (mostly NULL) in every non-simple transition array.

R=titzer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21228002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15993 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 17:08:50 +00:00
danno@chromium.org
04a9f00238 Make sure that bce creates constants of right type 
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21371004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15992 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 16:41:51 +00:00
danno@chromium.org
e5e0100504 Fix overzealous casting that erroneously lead to ASSERTs 
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21372002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15991 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 15:40:24 +00:00
danno@chromium.org
4cdffbf4fe Improve instruction creating/adding shorthand in HGraphBuilder 
Add multi-argument templates for New, NewUncasted, Add and AddUncasted that
call boilerplate HInstruction::New methods rather than the constructor directly.
This allows for automatic passing of the zone and context for instructions that
need them.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/21356002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15990 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 14:58:39 +00:00
bmeurer@chromium.org
8c0f2eabbf Stores to external references don't need write barriers. 
This also applies to stores with an external field representation.

Also cleans up the CreateAllocationSiteStub.

R=mstarzinger@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/21357003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15989 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 13:45:51 +00:00
ulan@chromium.org
7ad3db7485 Fix SHL when shift amount is zero for arm and mips. 
BUG=v8:2817
R=titzer@chromium.org
TEST=octane

Review URL: https://chromiumcodereview.appspot.com/21358002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15987 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 12:46:54 +00:00
dslomov@chromium.org
693301702b Reimplement TypedArray.set in Javascript. 
Implement all cases for TypedArray.set in Javascript, except the case
where memmove is used. This makes it many times faster.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/21353002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15985 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 12:10:49 +00:00
bmeurer@chromium.org
44e4c2756a Avoid the use of set_type() in instruction constructors. 
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/21348002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 10:56:46 +00:00
bmeurer@chromium.org
8823e8e89f Get rid of HLinkObjectInList. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/21345002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 10:47:44 +00:00
verwaest@chromium.org
3143f5f88b Remove special handling of fields in combination with elements transitions in Crankshaft. 
Instead first try to keep ICs monomorphic if elements kinds generalize. If that fails, use standard polymorphic handling. The Try*PolymorphicAsMonomorphic methods will automatically produce code similar to the previous approach using CheckMapsWithTransitions.

BUG=
R=hpayer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21107004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15982 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 10:08:05 +00:00
bmeurer@chromium.org
843cf1f654 Compile fix for older GCCs. 
TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/21142007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15981 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 10:03:59 +00:00
bmeurer@chromium.org
bacc626f57 Fix HType handling for HConstant with external references. 
We cannot use set_type() with HType::None() in the HConstant
constructor, since set_type() asserts that the new type is a
subtype of the previous one, but HType::None() is not a subtype
of HType::Tagged() which is the initial type set by the HValue
constructor.

This patch adds an optional type parameter to the HValue,
HInstruction and HTemplateInstruction constructors.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/21317004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15980 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 09:38:37 +00:00
titzer@chromium.org
d87296eb1f Eagerly set the types of many kinds of hydrogen instructions. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/21072002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15979 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 09:29:30 +00:00
mstarzinger@chromium.org
a1c7478a38 Fix stale unhandlified value in JSObject::SetPropertyForResult. 
R=danno@chromium.org
BUG=chromium:265894

Review URL: https://codereview.chromium.org/21177003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15977 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 08:51:18 +00:00
bmeurer@chromium.org
e9fcf8fc98 Revert the latest set of platform changes. 
Revert "Fix NaCl build."
Revert "Revert target arch detection."
Revert "Fix typo."
Revert "Simplify implementation of Mutex."
Revert "Fix for older clang releases that lack __has_extension."
Revert "Reland initial bits of "Implement correct OS and CC detection.""

TBR=danno@chromium.org,svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21095008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15976 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 07:51:46 +00:00
dcarney@chromium.org
a5e87c8459 make Intl non-enumerable 
R=jochen@chromium.org, svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/21213003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15974 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 07:17:34 +00:00
hpayer@chromium.org
2bd5405dc2 Free slots buffer entries when tearing down the heap. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21216003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15973 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 07:17:03 +00:00
bmeurer@chromium.org
662958c56c Fix NaCl build. 
TBR=machenbach@chromium.org,svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21336002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15972 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 07:08:52 +00:00
bmeurer@chromium.org
ae2c2ad46d Revert target arch detection. 
TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21243004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15971 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 07:04:30 +00:00
hpayer@chromium.org
b6a6fc76dc Allocation space decisions are precisely made in hydrogen. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21089006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15970 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 07:03:16 +00:00
bmeurer@chromium.org
dff0e84b1b Fix typo. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21333002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 06:56:02 +00:00
haitao.feng@intel.com
e0eaee29d3 Introduce StackOperandForReturnAddress operand for X64 to access return address in the stack 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/20628003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15967 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-31 00:19:32 +00:00
haitao.feng@intel.com
e4cdcc6576 Introduce the SetFp function in StackHandler 
The FP setting is different for X32 than the other platforms as
kFPOnStackSize is double the kPointerSize and we have to clear the
higher 32 bits to 0.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/20073004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15966 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 23:59:55 +00:00
palfia@homejinni.com
bfc98bc0c8 MIPS: Fix flaky mjsunit/harmony/generators-iteration test failure. 
This fixes the result allocation in EmitCreateIteratorResult,
when a GC is required. The Runtime call returns the allocated
pointer in v0 register, but the rest of the function was
expected it in a0 register. Refactored the function to use v0 for
the result in the whole function.

BUG=

Review URL: https://codereview.chromium.org/21244003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15965 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 22:28:54 +00:00
bmeurer@chromium.org
64bfd42a4c Simplify implementation of Mutex. 
Also moves Mutex to its own file mutex.{cc,h}.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21087012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15964 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 17:12:49 +00:00
mstarzinger@chromium.org
96fc677d25 Pipe a script's CORS status through V8 during compilation. 
In order to properly sanitize exception data during a 'window.onerror'
handler, we need to know whether a script was served with proper CORS
headers at the time it was loaded into V8. This patch adds a single bool
to ScriptOrigin, and pipes that through the compiler to land on the
Script object. We can then retrieve the parameter when calling the
embedder's exception callback.

BUG=crbug.com/159566
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/20646006

Patch from Mike West <mkwst@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15963 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 17:05:50 +00:00
mstarzinger@chromium.org
8a019050ff Reland "Compilation type and state allocate an unnecessary Smi on v8::Script" (r15940). 
It turns out that this change is not related to the test failures.

TBR=danno@chromium.org

Review URL: https://codereview.chromium.org/21256003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15962 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 17:00:05 +00:00
verwaest@chromium.org
2af164f4d9 Mark maps as unstable if their instances potentially transition away. 
Use this as a prerequisite for adding code dependencies.

R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21095005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15961 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 16:33:58 +00:00
mstarzinger@chromium.org
0627d433b0 Add new Harmony methods to String.prototype object. 
String.prototype.repeat
String.prototype.startsWith
String.prototype.endsWith
String.prototype.contains

http://people.mozilla.org/~jorendorff/es6-draft.html

BUG=v8:2796,v8:2797,v8:2798,v8:2799
TEST=mjsunit/string-repeat,mjsunit/string-startswith,mjsunit/string-endswith,mjsunit/string-contains
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21014007

Patch from Ioseb Dzmanashvili <ioseb.dzmanashvili@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15960 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 16:33:08 +00:00
bmeurer@chromium.org
306d944e3e Fix for older clang releases that lack __has_extension. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21237002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15959 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 14:49:44 +00:00
titzer@chromium.org
0af94e4ac4 Don't generate a shift left by one if can deoptimize on ia32 and arm and mips. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/21196006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15958 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 13:30:03 +00:00
danno@chromium.org
f3fff3c2f4 Revert 15940: "Compilation type and state allocate an unnecessary Smi on v8::Script." 
Due to Mozilla test failures on Win32 debug

TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21062004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15957 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 11:24:11 +00:00
danno@chromium.org
570138742e Prepare push to trunk. Now working on version 3.20.12. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/21103009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15954 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 11:08:56 +00:00
bmeurer@chromium.org
a59d3ba977 Reland initial bits of "Implement correct OS and CC detection." 
This adds the OS and CC detection and cleans up the globals.h to
some degree. It also places all of the C++11 feature detection into
globals.h.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21223003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15953 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 10:36:58 +00:00
bmeurer@chromium.org
82e4ba6f70 Turn mark deoptimize on undefined into a proper HPhase. 
This patch also removes the implicit recursion on phi operands,
using a loop and a worklist instead, to avoid potential stack
overflows.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/21065003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15952 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 10:25:20 +00:00
verwaest@chromium.org
f328c2c77c HasNonSmiUse should ignore tagged uses 
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21105006

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15950 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 09:06:42 +00:00
mstarzinger@chromium.org
3202e1d795 Re-revert "Flush parallel recompilation queues on context dispose notification" (r15883). 
R=danno@chromium.org
BUG=

Review URL: https://codereview.chromium.org/21156009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15947 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 08:35:48 +00:00
svenpanne@chromium.org
31e56df122 Prepare some ValueOf renamings. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/20992005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15945 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 07:05:15 +00:00
yurys@chromium.org
6ba502fa4d Simplify sampling rate calculation 
Sampling rate is now calculated as total number of samples divided by profiling time in ms. Before the patch the sampling rate was updated once per 100ms which doesn't have any obvious advantage over the simpler method.

Also we are going to get rid of the profile node self and total time calculation in the v8 CPU profiler and only expose profiling start/end time for CpuProfile and number of ticks on each ProfileNode and let clients do all the math should they need it.

BUG=None
R=bmeurer@chromium.org, loislo@chromium.org

Review URL: https://codereview.chromium.org/21105003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15944 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 07:01:16 +00:00
haitao.feng@intel.com
1f9dc8b1bf This patch is to support Vtune on Android platform. 
The Vtune API provides the support for Android platform. So we fix the
compilation issue and it works on Android platform.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/20688002

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15942 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-30 01:01:04 +00:00
yurys@chromium.org
c301f8203c Remove unused methods from RuntimeProfiler 
Also removed Logger fields that used to be used for writing compressed logs.

BUG=None
R=bmeurer@chromium.org, loislo@chromium.org

Review URL: https://codereview.chromium.org/20768002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15941 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 19:02:16 +00:00
mstarzinger@chromium.org
9f4fc77e1e Compilation type and state allocate an unnecessary Smi on v8::Script. 
This patch combines them into a single field, and adjusts the accessors
and setters to take the enum type directly, rather than converting to and
from a Smi value.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/20758002

Patch from Mike West <mkwst@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15940 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 17:59:02 +00:00
verwaest@chromium.org
4ab26b7ed4 Revert "Smi-support for HSar." 
Reverting https://chromiumcodereview.appspot.com/21049003

R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21076003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15939 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 17:17:19 +00:00
verwaest@chromium.org
480729ff79 Smi-support for HSar. 
BUG=
R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21049003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15938 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 17:07:28 +00:00
bmeurer@chromium.org
b019910a38 This adds generic support for ExternalReferences in Hydrogen (and Lithium), as required for AddIncrementCounter. 
R=danno@chromium.org, titzer@chromium.org

Review URL: https://codereview.chromium.org/19562003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15936 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 13:56:51 +00:00
titzer@chromium.org
37ee4a0369 Fix IsDeletable() for HStringAdd, HStringCharCodeAt, HStringCharFromCode. 
BUG=
R=mstarzinger@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/20241005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15934 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 12:35:43 +00:00
bmeurer@chromium.org
e3901e919d Revert new OS and CC detection and related changes since r15923. 
Revert "Attempt to fix leftover test breakage on Mac."
Revert "Fix d8 build error when V8_SHARED is unset on Linux."
Revert "Fix V8_GNUC_PREREQ macro."
Revert "Fix typo."
Revert "Implement correct OS and CC detection."

TBR=svenpanne@chromium.org,danno@chromium.org

Review URL: https://codereview.chromium.org/21022003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15932 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 12:12:39 +00:00
danno@chromium.org
837276829e Fix HasResult method of LTemplateInstruction to properly handle LCheckSmi 
LCheckSmi sometimes has a result register and sometimes not, even though its
LTemplateInstruction alwasys has room for one. Debug output use HasResult to
determine whether it was ok to de-ref result(), but HasResult doesn't check for
the case where LTemplateInstruction has a result but it's NULL.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21037004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15931 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 11:57:42 +00:00
danno@chromium.org
504f94fcbd Make it easier to get JS stack crawls from gdb 
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/21060002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15930 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 11:56:45 +00:00
mvstanton@chromium.org
e9cc78af7e Fix for V8 issue 2795: Check fails with deopt for mjsunit/array-store-and-grow 
(https://code.google.com/p/v8/issues/detail?id=2795)

The reason is when allocating and building arrays in hydrogen we need to ensure
we do any int32-to-smi conversions BEFORE the allocation. These conversions can
at least theoretically deoptimize. If this happens before all the fields of the
newly allocated object are filled in, we will have a corrupted heap.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/20726002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15929 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-29 11:50:39 +00:00