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Author SHA1 Message Date
yangguo@chromium.org
1a90501909 Fix V8's default timer event logger. 
This broke because the optimizing compiler thread no longer holds
Isolate::Current() in its TLS.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/655813002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24607 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 14:45:03 +00:00
ulan@chromium.org
dd49272c00 Weak Cells 
Introduce an object that holds a weak reference.
Design document: http://goo.gl/9dSvvy.

BUG=
R=erik.corry@gmail.com

Review URL: https://codereview.chromium.org/640303006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24606 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 14:43:45 +00:00
jkummerow@chromium.org
75fe010f93 Always initialize key_type_ in AST nodes 
BUG=chromium:423117
LOG=n
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/652183002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24604 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 13:52:15 +00:00
yangguo@chromium.org
974f3dcfee Correctly expand literal buffer for surrogate pairs. 
R=jkummerow@chromium.org
BUG=chromium:423212
LOG=Y

Review URL: https://codereview.chromium.org/652743005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24603 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 13:25:19 +00:00
neis@chromium.org
327d3ae870 Add typing for Int32MulHigh. 
TBR=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/656803003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24602 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 12:41:34 +00:00
neis@chromium.org
4587329594 Simple typing of machine operators. 
R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/658523002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 12:27:29 +00:00
jkummerow@chromium.org
d7482818a6 Fix de/serialization tests after r24592 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/654853002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24600 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 12:21:18 +00:00
machenbach@chromium.org
935702e655 Make release script cleanup more robust. 
This is a work-around that checks out master if the
remembered branch is corrupt.

BUG=chromium:410721
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/659473002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24599 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 12:19:32 +00:00
machenbach@chromium.org
6d69354154 Fix remote branch location in releases script (2). 
BUG=chromium:410721
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/653533003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24598 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 12:10:48 +00:00
sigurds@chromium.org
4dc4b40925 Reland "Fix scheduler to correctly schedule nested diamonds". 
Reland fix: Consume less memory.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/636233006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24597 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 12:08:55 +00:00
machenbach@chromium.org
ddd2d09a59 Fix remote branch location in releases script. 
BUG=chromium:410721
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/653923002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24596 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 12:00:22 +00:00
bmeurer@chromium.org
81877a6440 [turbofan] Optimize division/modulus by constant. 
TEST=cctest,mjsunit,unittests
R=dcarney@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/654833002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24595 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 11:57:06 +00:00
ishell@chromium.org
f58558d910 Preserve order of fields when doing slow-to-fast object migration. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/614883003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24594 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 11:03:35 +00:00
svenpanne@chromium.org
da0c38056f Squeeze the layout of various AST node types. 
The following AST node types were improved (in decreasing number of
importance for asm.js-like source code): Expression, VariableProxy,
Assignment, BinaryOperation, Declaration, Property, Call.

BUG=chromium:417697
LOG=y
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/646803004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24593 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 10:24:18 +00:00
jkummerow@chromium.org
b774d2068b Always compile functions in the snapshot with deoptimization support. 
This prevents an unnecessary deopt-reopt cycle due to type feedback
having been thrown away as part of recompiling with deopt support.
(For non-snapshotted functions this is not an issue.)

Bonus: Add missing space in --trace-ic output, and provide names for
PropertyDescriptor's methods, because passing anonymous functions to
SetUpLockedPrototype frightens and confuses our FuncNameInferrer.

R=hpayer@chromium.org, yangguo@chromium.org

Review URL: https://codereview.chromium.org/648243002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24592 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 09:59:24 +00:00
baptiste.afsa@arm.com
573ca15f48 [turbofan] Add support for shifted and rotated operands on ARM64. 
R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/642923003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24591 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 09:28:53 +00:00
dcarney@chromium.org
c469dcbc61 build fix 
TBR=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/652163002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24590 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 09:22:21 +00:00
machenbach@chromium.org
4158c7b76a Switch chromium roll script to git. 
BUG=chromium:418923,chromium:410721
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/657483002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24589 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 09:00:16 +00:00
sigurds@chromium.org
b0596e9e44 Add control input to LoadField. 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/649183003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 08:59:27 +00:00
dcarney@chromium.org
75d15894f6 [turbofan] remove some of the dependency of Instruction on Schedule 
R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/646393002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24584 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 08:51:22 +00:00
jarin@chromium.org
173b07faa9 [turbofan] Output schedule, instructions and register allocator in C1 visualizer format when --turbo-trace is specified. 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/637313002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24583 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 08:43:33 +00:00
jarin@chromium.org
d75f736c11 [turbofan] Use register for instruction operands when SameAsFirst is specified. 
As the register allocator cannot reuse spill slots, SameAsFirst
constraint means that we would have to do an expensive move to a
differen spill slot if we choose to spill. Forcing the operand
to a register is cheaper.

In zlib, we get >10% speed-up for ia32, >25% for x64.

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/650083003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24580 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 08:34:20 +00:00
hpayer@chromium.org
2c18a51c72 Increase final idle time in idle notifcation of test test-api/Regress2107. 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/653863002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24579 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 08:10:41 +00:00
bmeurer@chromium.org
8a00950303 [arm] Drop SMMLS support. 
Apparently

 SMMLS r, b, c, a

computes

 r = ((a << 32) - b * c) >> 32

while the documentation is kinda misleading and states that it should
compute

 r = a - ((b * c) >> 32)

The actual behavior is kinda useless, so we drop the instruction again.

TEST=cctest,unittests
TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/654653004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24577 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 07:47:27 +00:00
bmeurer@chromium.org
8950e0a3de [arm] Add support for SMMLA, SMMLS and SMMUL. 
TEST=cctest,unittests
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/648283002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24575 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 05:03:04 +00:00
bmeurer@chromium.org
b472d9a045 MIPS: Add OWNERS file for compiler unittests. 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/648413003

Patch from Paul Lind <paul.lind@imgtec.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24574 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 03:55:43 +00:00
bmeurer@chromium.org
a433541a65 Fix non-TF targets after r24546. 
Fix mips64 and x87 builds.

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/644463005

Patch from Paul Lind <paul.lind@imgtec.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24573 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 03:46:37 +00:00
weiliang.lin@intel.com
c704369eab X87: Support for super assignments in for..in. 
port r24560.

original commit message:
  Support for super assignments in for..in.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/653823002

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24572 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-14 02:55:29 +00:00
paul.lind@imgtec.com
d9cda16c6a MIPS: [turbofan] Make VisitBranch and friends to backend specific. 
Port r24546 (c3443cd)

Original commit message:
This is required to fix a tricky branch fusion bug on ARM, which was
caused by the interaction between the architecture-independent and
architecture-specific parts of the InstructionSelector. In the end it
wasn't worth sharing a few common lines of code for the additional
complexity, especially if we also want to properly support architectures
without any dedicated flags register (i.e. MIPS).

TEST=mjsunit,unittests
BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/644973003

Patch from Balazs Kilvady <balazs.kilvady@imgtec.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24571 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 23:31:59 +00:00
balazs.kilvady@imgtec.com
55f77c28ac MIPS: Support for super assignments in for..in. 
Port r24560 (ef1070b)

BUG=v8:3330
LOG=N
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/641803003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24570 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 19:28:25 +00:00
hpayer@chromium.org
c7149e50a3 Fix IdleNotificationFinishMarking test on slow devices. 
BUG=
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/641533004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 18:54:20 +00:00
mstarzinger@chromium.org
25dbc2476c Switch schedule early phase to basic blocks. 
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/649203002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24568 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 16:32:12 +00:00
hpayer@chromium.org
d1e693a43a Check if there is still time before finalizing an incremental collection. 
BUG=
R=erik.corry@gmail.com, ulan@chromium.org

Review URL: https://codereview.chromium.org/629903003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24567 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 16:27:55 +00:00
sigurds@chromium.org
aa67d12f09 Revert "Fix scheduler to correctly schedule nested diamonds." 
This reverts commit 0ab306041a6eba99fe5e2ef78251de137321f559.

"Fix" make scheduler run out of memory.

TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/656473002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24566 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 16:08:29 +00:00
rmcilroy@chromium.org
08941c0140 Refactor FrameAndConstantPoolScope and ConstantPoolUnavailableScope to be architecture independent 
Move the FrameAndConstantPoolScope and ConstantPoolUnavailableScope out of the arm architecture directory to enable them to be used on all architectures.

R=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/609843002

Patch from André Baixo <baixo@google.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24565 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 14:41:33 +00:00
dusan.milosavljevic@imgtec.com
403dc88519 MIPS: Unbreak gn build, missing source files for MIPS tf. 
TEST=
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/654583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24564 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 14:18:10 +00:00
sigurds@chromium.org
0f5949d605 Fix scheduler to correctly schedule nested diamonds. 
The scheduler rewires control based on the last *control*
node that appears in the schedule of a block. This is not
sufficient to account for dependencies.

This patch adds additional dependencies to floating control
nodes. Given a floating control node A, every non-control
dependency of every node B that depends on A is introduces
as an additional dependency of A.

This allows the scheduler to correctly schedule two
diamonds A, B, if their only correct schedule is to
schedule B into the ifTrue successor in A.

TEST=cctest/test-scheduler/NestedFloatingDiamonds
R=mstarzinger@chromium.org, titzer@chromium.org

Review URL: https://codereview.chromium.org/602083003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 13:07:49 +00:00
dslomov@chromium.org
952690a148 Support for super assignments in for..in. 
R=ishell@chromium.org, arv@chromium.org
BUG=v8:3330
LOG=N

Review URL: https://codereview.chromium.org/639243003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24560 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 12:46:46 +00:00
machenbach@chromium.org
791a3c4309 Make releases script ready for the new git workflow. 
BUG=chromium:410721
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/646383002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24558 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 12:34:53 +00:00
mstarzinger@chromium.org
6d6d727cd4 Mark some test262 cases as known failures after r24495. 
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/650863002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24555 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 11:11:15 +00:00
bmeurer@chromium.org
5c1f7b5aa1 [turbofan] Optimize Int32Mod by power-of-two. 
TEST=mjsunit/asm/int32-tmod,unittests
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/649083005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24554 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 11:09:32 +00:00
neis@chromium.org
a2f4963abd Revert "Refine expression typing, esp. by propagating range information." 
This reverts commit 24552.

TBR=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/648163002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24553 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 10:48:01 +00:00
neis@chromium.org
5a0ff8e656 Refine expression typing, esp. by propagating range information. 
R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/618803003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24552 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 10:40:29 +00:00
dslomov@chromium.org
c0504eeffd Fix typedarray tests. 
1. Fixed typo. lenght -> length. Arbitary -> Arbitrary.
2. TypedArray DataView property getters should throw TypeError when called on
    incompatible types.
3. Should not use integers as keys in the arbitrary-properties test.

R=dslomov@chromium.org, yangguo@chromium.org

Review URL: https://codereview.chromium.org/652603002

Patch from Xueqiao Xu <xuq@google.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24551 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 09:48:50 +00:00
rmcilroy@chromium.org
03f4956744 v8_external_snapshot target visible only when using v8_use_external_startup_data 
Prevent snapshot_blob.bin from being unnecessarily generated when building all targets.
When such file exists, chrome_tests assumes we will load V8's initial snapshot from
external files, even when such feature is turned off, which prevents the tests from
being successfully compiled.

BUG=421063
LOG=N
R=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/643163002

Patch from André Baixo <baixo@google.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24550 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 09:36:12 +00:00
bmeurer@chromium.org
3dae2a0d3f Run benchmarks tests with --turbo-asm flag. 
R=machenbach@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/646373002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24549 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 09:30:27 +00:00
bmeurer@chromium.org
4a5055174b [turbofan] Embed the actual backing store address for typed loads/stores. 
TEST=unittests
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/650843002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24548 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 09:17:33 +00:00
marja@chromium.org
363ac55a5d Script streaming: UTF-8 handling fix. 
The problem was that there can be several multi-byte UTF-8 characters near the
splitting point of the data chunks, and the code didn't handle it properly.

This was also the source of crbug.com/417891 - I thought the crash can only
happen when V8 is passed invalid UTF-8 data, but it can also happen in the
abovementioned case. After the fix, we handle the valid UTF-8 case and also
guard against invalid UTF-8 data.

R=yangguo@chromium.org
BUG=chromium:417891
LOG=N

Review URL: https://codereview.chromium.org/654503002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 09:01:54 +00:00
bmeurer@chromium.org
f60bc89083 [turbofan] Make VisitBranch and friends to backend specific. 
This is required to fix a tricky branch fusion bug on ARM, which was
caused by the interaction between the architecture-independent and
architecture-specific parts of the InstructionSelector. In the end it
wasn't worth sharing a few common lines of code for the additional
complexity, especially if we also want to properly support architectures
without any dedicated flags register (i.e. MIPS).

TEST=mjsunit,unittests
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/651783003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24546 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 08:15:03 +00:00
dcarney@chromium.org
657052e87f [turbofan] remove graph from InstructionSequence 
R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/652643002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24545 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-10-13 08:09:27 +00:00