platform/upstream/v8.git
9 years agoRemove empty string-search.cc file.
mstarzinger [Tue, 18 Aug 2015 18:18:11 +0000 (11:18 -0700)]
Remove empty string-search.cc file.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1295333002

Cr-Commit-Position: refs/heads/master@{#30234}

9 years agoDisable regress-crbug-518748 on debug
Ben Smith [Tue, 18 Aug 2015 18:16:18 +0000 (11:16 -0700)]
Disable regress-crbug-518748 on debug

Seems to fail only on V8 Linux - debug - code serializer
(See http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20debug%20-%20code%20serializer/builds/3762)

BUG=chromium:518748
TBR=mstarzinger@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/1294163003 .

Cr-Commit-Position: refs/heads/master@{#30233}

9 years agoRemove grab-bag includes of v8.h from runtime entries.
mstarzinger [Tue, 18 Aug 2015 17:55:19 +0000 (10:55 -0700)]
Remove grab-bag includes of v8.h from runtime entries.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1293053004

Cr-Commit-Position: refs/heads/master@{#30232}

9 years ago[d8] Fix compile failure due to kMaxWorkers
Ben Smith [Tue, 18 Aug 2015 17:30:57 +0000 (10:30 -0700)]
[d8] Fix compile failure due to kMaxWorkers

TBR=adamk@chromium.org

Review URL: https://codereview.chromium.org/1302593002 .

Cr-Commit-Position: refs/heads/master@{#30231}

9 years ago[d8 Workers] Add max worker count, throw an exception if too many.
binji [Tue, 18 Aug 2015 17:12:03 +0000 (10:12 -0700)]
[d8 Workers] Add max worker count, throw an exception if too many.

BUG=chromium:518748
R=mstarzinger@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/1284683004

Cr-Commit-Position: refs/heads/master@{#30230}

9 years ago[d8] Fix flakiness when calling quit() with isolates
binji [Tue, 18 Aug 2015 16:47:19 +0000 (09:47 -0700)]
[d8] Fix flakiness when calling quit() with isolates

Don't use exit(), use Shell::Exit() (which calls _exit() instead). This won't
run C++ static destructors, atexit() functions, etc., which can occasionally
cause flaky failures.

BUG=v8:4279
R=machenbach@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/1294913005

Cr-Commit-Position: refs/heads/master@{#30229}

9 years agoAdd presubmit check for header inclusion violation.
mstarzinger [Tue, 18 Aug 2015 16:41:02 +0000 (09:41 -0700)]
Add presubmit check for header inclusion violation.

This warns about include directives of inline headers within normal
header files. Note that this warning should not close the tree or
prevent the CQ from landing the patch.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1293273005

Cr-Commit-Position: refs/heads/master@{#30228}

9 years agoMake heap.h usable without objects-inl.h header.
mstarzinger [Tue, 18 Aug 2015 16:21:31 +0000 (09:21 -0700)]
Make heap.h usable without objects-inl.h header.

This CL us a pure refactoring that makes an empty compilation unit
including just "heap.h" but not "objects-inl.h" compile without
warnings or errors. This is needed to further reduce the header
dependency tangle.

R=mlippautz@chromium.org

Review URL: https://codereview.chromium.org/1301583003

Cr-Commit-Position: refs/heads/master@{#30227}

9 years ago[Interpreter] Add implementations for load immediate bytecodes.
rmcilroy [Tue, 18 Aug 2015 15:29:21 +0000 (08:29 -0700)]
[Interpreter] Add implementations for load immediate bytecodes.

Adds implementations and tests for the following bytecodes:
  - LdaZero
  - LdaSmi8
  - LdaUndefined
  - LdaNull
  - LdaTheHole
  - LdaTrue
  - LdaFalse
  - LdaLdar
  - LdaStar

Also adds  Smi tagging / untagging and OperandType typed
BytecodeOperand operations to InterpreterAssembler.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1294793002

Cr-Commit-Position: refs/heads/master@{#30226}

9 years agoAllowing optional build of a WASM prototype behind a gyp define.
bradnelson [Tue, 18 Aug 2015 15:04:02 +0000 (08:04 -0700)]
Allowing optional build of a WASM prototype behind a gyp define.

Place a copy of the v8-native-prototype in third_party/wasm.
GYP_DEFINES='v8_wasm=1' gclient runhooks

BUG=None
TEST=None
R=titzer@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1294543006

Cr-Commit-Position: refs/heads/master@{#30225}

9 years ago[turbofan] Unify referencing of stack slots
danno [Tue, 18 Aug 2015 14:47:56 +0000 (07:47 -0700)]
[turbofan] Unify referencing of stack slots

Previously, it was not possible to specify StackSlotOperands for all
slots in both the caller and callee stacks. Specifically, the region
of the callee's stack including the saved return address, frame
pointer, function pointer and context pointer could not be addressed
by the register allocator/gap resolver.

In preparation for better tail call support, which will use the gap
resolver to reconcile outgoing parameters, this change makes it
possible to address all slots on the stack, because slots in the
previously inaccessible dead zone may become parameter slots for
outgoing tail calls. All caller stack slots are accessible as they
were before, with slot -1 corresponding to the last stack
parameter. Stack slot indices >= 0 access the callee stack, with slot
0 corresponding to the callee's saved return address, 1 corresponding
to the saved frame pointer, 2 corresponding to the current function
context, 3 corresponding to the frame marker/JSFunction, and slots 4
and above corresponding to spill slots.

The following changes were specifically needed:

* Frame has been changed to explicitly manage three areas of the
  callee frame, the fixed header, the spill slot area, and the
  callee-saved register area.
* Conversions from stack slot indices to fp offsets all now go through
  a common bottleneck: OptimizedFrame::StackSlotOffsetRelativeToFp
* The generation of deoptimization translation tables has been changed
  to support the new stack slot indexing scheme. Crankshaft, which
  doesn't support the new slot numbering in its register allocator,
  must adapt the indexes when creating translation tables.
* Callee-saved parameters are now kept below spill slots, not above,
  to support saving only the optimal set of used registers, which is
  only known after register allocation is finished and spill slots
  have been allocated.

Review URL: https://codereview.chromium.org/1261923007

Cr-Commit-Position: refs/heads/master@{#30224}

9 years agoSkip regress-4279 for --isolates tests.
yangguo [Tue, 18 Aug 2015 14:35:59 +0000 (07:35 -0700)]
Skip regress-4279 for --isolates tests.

R=hablich@chromium.org
BUG=v8:4378
LOG=N

Review URL: https://codereview.chromium.org/1290383004

Cr-Commit-Position: refs/heads/master@{#30223}

9 years agoRemove inline header includes from natives.h header.
mstarzinger [Tue, 18 Aug 2015 14:31:26 +0000 (07:31 -0700)]
Remove inline header includes from natives.h header.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1303463002

Cr-Commit-Position: refs/heads/master@{#30222}

9 years ago[Interpreter] Minimal bytecode generator.
oth [Tue, 18 Aug 2015 13:46:43 +0000 (06:46 -0700)]
[Interpreter] Minimal bytecode generator.

Bytecode generator for local assignment and basic binary operations.

Command-line flag for printing bytecodes.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1294543002

Cr-Commit-Position: refs/heads/master@{#30221}

9 years agoNative context: Fix issue when running prologue.js before runtime.js
yangguo [Tue, 18 Aug 2015 13:08:05 +0000 (06:08 -0700)]
Native context: Fix issue when running prologue.js before runtime.js

%InstallFunctionsFromArray is not entirely equivalent to the old
InstallFunctions implementation, which causes gc stress failures.

TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/1287203006

Cr-Commit-Position: refs/heads/master@{#30220}

9 years ago[interpreter]: Changes to interpreter builtins for accumulator and register file...
rmcilroy [Tue, 18 Aug 2015 12:41:41 +0000 (05:41 -0700)]
[interpreter]: Changes to interpreter builtins for accumulator and register file registers.

Makes the following modifications to the interpreter builtins and
InterpreterAssembler:
 - Adds an accumulator register and initializes it to undefined()
 - Adds a register file pointer register and use it instead of FramePointer to
   access registers
 - Modifies builtin to support functions with 0 regiters in the register file
 - Modifies builtin to Call rather than TailCall to first bytecode handler.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1289863003

Cr-Commit-Position: refs/heads/master@{#30219}

9 years ago[api,heap] Fix external GC callbacks.
mlippautz [Tue, 18 Aug 2015 12:03:45 +0000 (05:03 -0700)]
[api,heap] Fix external GC callbacks.

* Add types to properly report what has been executed in the GC
* Unify GCPrologueCallback and GCEpilogueCallback into GCCallback
* Report processing of second round weak handels, either synchronously or asynchronously

BUG=chromium:521946
LOG=N

Review URL: https://codereview.chromium.org/1298113003

Cr-Commit-Position: refs/heads/master@{#30218}

9 years agoNative context: run prologue.js before runtime.js
yangguo [Tue, 18 Aug 2015 11:15:34 +0000 (04:15 -0700)]
Native context: run prologue.js before runtime.js

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/1294803004

Cr-Commit-Position: refs/heads/master@{#30217}

9 years agoSkip regress-crbug-501711 for --isolates tests.
yangguo [Tue, 18 Aug 2015 11:14:26 +0000 (04:14 -0700)]
Skip regress-crbug-501711 for --isolates tests.

TBR=hablich@chromium.org
BUG=v8:4378
LOG=N

Review URL: https://codereview.chromium.org/1295813006

Cr-Commit-Position: refs/heads/master@{#30216}

9 years agoReland of move property loads from js builtins objects from runtime. (patchset #1...
yangguo [Tue, 18 Aug 2015 09:55:40 +0000 (02:55 -0700)]
Reland of move property loads from js builtins objects from runtime. (patchset #1 id:1 of https://codereview.chromium.org/1297803003/ )

Reason for revert:
Debug isolate failure has nothing to do with this CL.

Original issue's description:
> Revert of Remove property loads from js builtins objects from runtime. (patchset #2 id:20001 of https://codereview.chromium.org/1293113002/ )
>
> Reason for revert:
> Still failures in debug-isolates tests
>
> Original issue's description:
> > Remove property loads from js builtins objects from runtime.
> >
> > R=cbruni@chromium.org
> >
> > Committed: https://crrev.com/40f6e80d22d2e146b781aa661b76087ab9a492c4
> > Cr-Commit-Position: refs/heads/master@{#30199}
> >
> > Committed: https://crrev.com/f22d0f205031054a5f3116e052c81ae85741e8e0
> > Cr-Commit-Position: refs/heads/master@{#30209}
>
> TBR=cbruni@chromium.org,hpayer@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Committed: https://crrev.com/4106a4cbb701b5fe7d0b639e28a4ebfca5c05630
> Cr-Commit-Position: refs/heads/master@{#30213}

TBR=cbruni@chromium.org,hpayer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1298733003

Cr-Commit-Position: refs/heads/master@{#30215}

9 years agoMIPS: Fix bug in disassembler for JALR
Djordje.Pesic [Tue, 18 Aug 2015 09:38:33 +0000 (02:38 -0700)]
MIPS: Fix bug in disassembler for JALR

Adding missing rd register in JALR disassembly, for mips and mipps64

Review URL: https://codereview.chromium.org/1297183002

Cr-Commit-Position: refs/heads/master@{#30214}

9 years agoRevert of Remove property loads from js builtins objects from runtime. (patchset...
yangguo [Tue, 18 Aug 2015 09:37:25 +0000 (02:37 -0700)]
Revert of Remove property loads from js builtins objects from runtime. (patchset #2 id:20001 of https://codereview.chromium.org/1293113002/ )

Reason for revert:
Still failures in debug-isolates tests

Original issue's description:
> Remove property loads from js builtins objects from runtime.
>
> R=cbruni@chromium.org
>
> Committed: https://crrev.com/40f6e80d22d2e146b781aa661b76087ab9a492c4
> Cr-Commit-Position: refs/heads/master@{#30199}
>
> Committed: https://crrev.com/f22d0f205031054a5f3116e052c81ae85741e8e0
> Cr-Commit-Position: refs/heads/master@{#30209}

TBR=cbruni@chromium.org,hpayer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1297803003

Cr-Commit-Position: refs/heads/master@{#30213}

9 years ago[turbofan] Remove the output_index field that was unused in Node::Use.
jarin [Tue, 18 Aug 2015 09:10:19 +0000 (02:10 -0700)]
[turbofan] Remove the output_index field that was unused in Node::Use.

BUG=

Review URL: https://codereview.chromium.org/1294913003

Cr-Commit-Position: refs/heads/master@{#30212}

9 years agoOnly evacuation candidate pages have a slots buffer, just visit these pages when...
hpayer [Tue, 18 Aug 2015 09:02:27 +0000 (02:02 -0700)]
Only evacuation candidate pages have a slots buffer, just visit these pages when filtering slots.

BUG=

Review URL: https://codereview.chromium.org/1299623003

Cr-Commit-Position: refs/heads/master@{#30211}

9 years agoReenable code recompilation verification.
yangguo [Tue, 18 Aug 2015 07:53:45 +0000 (00:53 -0700)]
Reenable code recompilation verification.

BUG=chromium:516304
LOG=N

Review URL: https://codereview.chromium.org/1267953002

Cr-Commit-Position: refs/heads/master@{#30210}

9 years agoRemove property loads from js builtins objects from runtime.
yangguo [Tue, 18 Aug 2015 07:48:13 +0000 (00:48 -0700)]
Remove property loads from js builtins objects from runtime.

R=cbruni@chromium.org

Committed: https://crrev.com/40f6e80d22d2e146b781aa661b76087ab9a492c4
Cr-Commit-Position: refs/heads/master@{#30199}

Review URL: https://codereview.chromium.org/1293113002

Cr-Commit-Position: refs/heads/master@{#30209}

9 years agoUpdate V8 DEPS.
v8-autoroll [Tue, 18 Aug 2015 03:24:59 +0000 (20:24 -0700)]
Update V8 DEPS.

Rolling v8/third_party/icu to 89dcdec16381883782b9cc9cff38e00f047a0f46

Rolling v8/tools/clang to 5b12e334ec0e571a8e1f68d028dc5427b58c17ec

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/1294523005

Cr-Commit-Position: refs/heads/master@{#30208}

9 years agoPoint @@isConcatSpreadable test failure line at the correct bug
Adam Klein [Mon, 17 Aug 2015 21:46:44 +0000 (14:46 -0700)]
Point @@isConcatSpreadable test failure line at the correct bug

BUG=v8:4317
LOG=n
TBR=littledan@chromium.org

Review URL: https://codereview.chromium.org/1285983004 .

Cr-Commit-Position: refs/heads/master@{#30207}

9 years ago[simd.js] Macro-ize more SIMD code.
bbudge [Mon, 17 Aug 2015 18:58:38 +0000 (11:58 -0700)]
[simd.js] Macro-ize more SIMD code.

Use macros for factory functions, and in hydrogen code stubs.

LOG=N
BUG=v8:4124

Review URL: https://codereview.chromium.org/1293533003

Cr-Commit-Position: refs/heads/master@{#30206}

9 years agoRevert "Regularly check hash set addresses to verify memory integrity."
hpayer [Mon, 17 Aug 2015 18:25:11 +0000 (11:25 -0700)]
Revert "Regularly check hash set addresses to verify memory integrity."

This debug check is not needed anymore.

This reverts commit ce311ed00123be1ffefdfbee39bd67cec63599ed.

BUG=

Review URL: https://codereview.chromium.org/1300663002

Cr-Commit-Position: refs/heads/master@{#30205}

9 years ago[heap] Get rid of unused regexp includes.
mlippautz [Mon, 17 Aug 2015 18:19:43 +0000 (11:19 -0700)]
[heap] Get rid of unused regexp includes.

BUG=

Review URL: https://codereview.chromium.org/1290403002

Cr-Commit-Position: refs/heads/master@{#30204}

9 years ago[turbofan] Support unboxed float and double stack parameters and add tests.
titzer [Mon, 17 Aug 2015 17:35:40 +0000 (10:35 -0700)]
[turbofan] Support unboxed float and double stack parameters and add tests.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1291113003

Cr-Commit-Position: refs/heads/master@{#30203}

9 years ago[heap] Unify MarkingDeque push and unshift operations.
mstarzinger [Mon, 17 Aug 2015 16:58:16 +0000 (09:58 -0700)]
[heap] Unify MarkingDeque push and unshift operations.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/1294093003

Cr-Commit-Position: refs/heads/master@{#30202}

9 years agoRevert of Remove property loads from js builtins objects from runtime. (patchset...
hablich [Mon, 17 Aug 2015 15:31:46 +0000 (08:31 -0700)]
Revert of Remove property loads from js builtins objects from runtime. (patchset #1 id:1 of https://codereview.chromium.org/1293113002/ )

Reason for revert:
Reverting because it made the waterfall red http://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20nosnap%20-%20shared/builds/8390

Original issue's description:
> Remove property loads from js builtins objects from runtime.
>
> R=cbruni@chromium.org
>
> Committed: https://crrev.com/40f6e80d22d2e146b781aa661b76087ab9a492c4
> Cr-Commit-Position: refs/heads/master@{#30199}

TBR=cbruni@chromium.org,yangguo@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1294123002

Cr-Commit-Position: refs/heads/master@{#30201}

9 years agoFilter out slot buffer slots, that point to SMIs in dead objects.
hpayer [Mon, 17 Aug 2015 15:24:13 +0000 (08:24 -0700)]
Filter out slot buffer slots, that point to SMIs in dead objects.

The following situation may happen which reproduces this bug:
(1) We allocate JSObject A on an evacuation candidate.
(2) We allocate JSObject B on a non-evacuation candidate.
(3) Incremental marking starts and marks object A and B.
(4) We create a reference from B.field = A; which records the slot B.field since A is on an evacuation candidate.
(5) After that we write a SMI into B.field.
(6) After that B goes into dictionary mode and shrinks its original size. B.field is now outside of the JSObject, i.e B.field is in memory that will be freed by the sweeper threads.
(7) GC is triggered.
(8) BUG: Slots buffer filtering walks over the slots buffer, SMIs are not filtered out because we assumed that SMIs are just ignored when the slots get updated later. However, recorded SMI slots of dead objects may be overwritten by double values at evacuation time.
(9) During evacuation, a heap number that looks like a valid pointer is moved over B.field.
(10) The slots buffer is scanned for updates, follows B.field since it looks like a pointer (the double value looks like a pointer), and crashes.

BUG=chromium:519577,chromium:454297
LOG=y

Review URL: https://codereview.chromium.org/1286343004

Cr-Commit-Position: refs/heads/master@{#30200}

9 years agoRemove property loads from js builtins objects from runtime.
yangguo [Mon, 17 Aug 2015 15:08:20 +0000 (08:08 -0700)]
Remove property loads from js builtins objects from runtime.

R=cbruni@chromium.org

Review URL: https://codereview.chromium.org/1293113002

Cr-Commit-Position: refs/heads/master@{#30199}

9 years agoDefault-enable external startup snapshot for, like, everywhere.
vogelheim [Mon, 17 Aug 2015 13:59:40 +0000 (06:59 -0700)]
Default-enable external startup snapshot for, like, everywhere.

BUG=

Review URL: https://codereview.chromium.org/1209223005

Cr-Commit-Position: refs/heads/master@{#30198}

9 years ago[turbofan] Handle void return in simplified-lowering.cc.
titzer [Mon, 17 Aug 2015 13:56:11 +0000 (06:56 -0700)]
[turbofan] Handle void return in simplified-lowering.cc.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1296933002

Cr-Commit-Position: refs/heads/master@{#30197}

9 years ago[test] Remove FLAG_always_opt special case in NotifyDeoptimized
jkummerow [Mon, 17 Aug 2015 13:26:28 +0000 (06:26 -0700)]
[test] Remove FLAG_always_opt special case in NotifyDeoptimized

Always unlink optimized code on deopt, even when FLAG_always_opt is present, because assumptions that the code made could have become invalid.
BUG=v8:4375
LOG=n
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/1284103006

Cr-Commit-Position: refs/heads/master@{#30196}

9 years agoRemove grab-bag includes of v8.h from heap.
mstarzinger [Mon, 17 Aug 2015 13:13:32 +0000 (06:13 -0700)]
Remove grab-bag includes of v8.h from heap.

R=mlippautz@chromium.org

Review URL: https://codereview.chromium.org/1291833003

Cr-Commit-Position: refs/heads/master@{#30195}

9 years ago[heap] Simplify MarkingDeque implementation.
mstarzinger [Mon, 17 Aug 2015 13:09:29 +0000 (06:09 -0700)]
[heap] Simplify MarkingDeque implementation.

This removes the dependency of the MarkingDeque on the underlying
collector by moving out the live bytes accounting and object color
mutations into a wrapper. The MarkingDeque can now be split into a
separate file.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/1293773002

Cr-Commit-Position: refs/heads/master@{#30194}

9 years ago[turbofan]: Fix bug in register hinting
danno [Mon, 17 Aug 2015 12:43:59 +0000 (05:43 -0700)]
[turbofan]: Fix bug in register hinting

Previously, UsePositions for Phis that are constant LiveRanges which are also used
as hints for other USePositions would always force-allocate the first register in
the allocatable register file to that range.

Review URL: https://codereview.chromium.org/1289313003

Cr-Commit-Position: refs/heads/master@{#30193}

9 years ago[es6] Implement default parameters
rossberg [Mon, 17 Aug 2015 12:01:55 +0000 (05:01 -0700)]
[es6] Implement default parameters

Based on caitp's https://codereview.chromium.org/1127063003/

R=adamk@chromium.org, littledan@chromium.org
BUG=v8:2160
LOG=N

Review URL: https://codereview.chromium.org/1287063004

Cr-Commit-Position: refs/heads/master@{#30192}

9 years agofix StrDup memory leak in CcTest
jianghua.yjh [Mon, 17 Aug 2015 11:30:30 +0000 (04:30 -0700)]
fix StrDup memory leak in CcTest

BUG=

Review URL: https://codereview.chromium.org/1287023002

Cr-Commit-Position: refs/heads/master@{#30191}

9 years ago[Interpreter] Move interpreter initialization until after snapshot deserialization.
rmcilroy [Mon, 17 Aug 2015 11:24:34 +0000 (04:24 -0700)]
[Interpreter] Move interpreter initialization until after snapshot deserialization.

The interpreter needs to be initialized after the snapshot has been deserialized.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1290883004

Cr-Commit-Position: refs/heads/master@{#30190}

9 years agoDo not use js builtins object when constructing an error.
yangguo [Mon, 17 Aug 2015 11:02:31 +0000 (04:02 -0700)]
Do not use js builtins object when constructing an error.

R=cbruni@chromium.org

Review URL: https://codereview.chromium.org/1295093002

Cr-Commit-Position: refs/heads/master@{#30189}

9 years agoAdd DCHECK that the script context table do not contain native scripts.
yangguo [Mon, 17 Aug 2015 11:00:43 +0000 (04:00 -0700)]
Add DCHECK that the script context table do not contain native scripts.

This is to prevent unnecessary script contexts to be created for
native scripts, which could end up with a script context table
containing twenty script contexts for a newly created native context.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1301533002

Cr-Commit-Position: refs/heads/master@{#30188}

9 years agoRemove grab-bag includes of v8.h from architecture ports.
mstarzinger [Mon, 17 Aug 2015 09:42:26 +0000 (02:42 -0700)]
Remove grab-bag includes of v8.h from architecture ports.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1299563003

Cr-Commit-Position: refs/heads/master@{#30187}

9 years ago[runtime] Unify and fix the strict equality comparison.
bmeurer [Mon, 17 Aug 2015 08:01:55 +0000 (01:01 -0700)]
[runtime] Unify and fix the strict equality comparison.

Add Object::StrictEquals to unify the implementation of strict equality
comparison in the runtime and the api (the api was already missing a
case for SIMD).  Now we (almost) have a single bottleneck for strict
equality, we just need to reduce the amount of unnecessary complexity
for the code stub.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1298603002

Cr-Commit-Position: refs/heads/master@{#30186}

9 years agoX87: Realize IWYU pattern for frames-inl.h header.
chunyang.dai [Mon, 17 Aug 2015 00:40:28 +0000 (17:40 -0700)]
X87: Realize IWYU pattern for frames-inl.h header.

port 19a49abf02dfac722dc8c5079aba9d73fcd60725 (r30127).

original commit message:

BUG=

Review URL: https://codereview.chromium.org/1286143009

Cr-Commit-Position: refs/heads/master@{#30185}

9 years ago[parser] make kInvalidLhsInFor a SyntaxError
caitpotter88 [Sat, 15 Aug 2015 17:57:01 +0000 (10:57 -0700)]
[parser] make kInvalidLhsInFor a SyntaxError

Second item in section 13.7.5.1 states that the error should be a
SyntaxError, when previously CheckAndRewriteReferenceExpression
would always emit a ReferenceError.

BUG=v8:4373
R=adamk, rossberg
LOG=N
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1292393002

Cr-Commit-Position: refs/heads/master@{#30184}

9 years agoPut V8 extras into the snapshot
domenic [Fri, 14 Aug 2015 18:47:46 +0000 (11:47 -0700)]
Put V8 extras into the snapshot

Previously, all extras were "experimental" and left out of the snapshot. This
patch moves them to the snapshot, so now all extras are non-experimental. A
future patch will re-introduce experimental extras as part of the linked bug.

R=yangguo@chromium.org
BUG=https://code.google.com/p/chromium/issues/detail?id=507137
LOG=Y

Review URL: https://codereview.chromium.org/1289603002

Cr-Commit-Position: refs/heads/master@{#30183}

9 years agoAdd per-file OWNERS for x87-specific cctests.
chunyang.dai [Fri, 14 Aug 2015 16:02:22 +0000 (09:02 -0700)]
Add per-file OWNERS for x87-specific cctests.

BUG=

Review URL: https://codereview.chromium.org/1290963005

Cr-Commit-Position: refs/heads/master@{#30182}

9 years agoClean up native context slots and add new ones.
yangguo [Fri, 14 Aug 2015 15:12:34 +0000 (08:12 -0700)]
Clean up native context slots and add new ones.

Newly added native context slots are used to avoid accessing
the js builtins object to get native functions.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1294583006

Cr-Commit-Position: refs/heads/master@{#30181}

9 years agoRemove grab-bag includes of v8.h from regexp engine.
mstarzinger [Fri, 14 Aug 2015 15:09:27 +0000 (08:09 -0700)]
Remove grab-bag includes of v8.h from regexp engine.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1294783002

Cr-Commit-Position: refs/heads/master@{#30180}

9 years agoNew flag --perf_basic_prof_only_functions
ofrobots [Fri, 14 Aug 2015 14:51:51 +0000 (07:51 -0700)]
New flag --perf_basic_prof_only_functions

Restricts linux perf-event code range reporting to functions only (i.e. on
stubs.) While this makes the gathered ticks less accurate, it reduces the
growth of the /tmp/perf-${pid}.map file.

BUG=v8:3453
R=hablich@chromium.org,danno@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1292743002

Cr-Commit-Position: refs/heads/master@{#30179}

9 years agoRemove grab-bag includes of v8.h from IC subsystem.
mstarzinger [Fri, 14 Aug 2015 13:33:32 +0000 (06:33 -0700)]
Remove grab-bag includes of v8.h from IC subsystem.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1293793002

Cr-Commit-Position: refs/heads/master@{#30178}

9 years ago[serializer] Move WeakFixedArray compaction to separate heap walk phase
jkummerow [Fri, 14 Aug 2015 13:09:36 +0000 (06:09 -0700)]
[serializer] Move WeakFixedArray compaction to separate heap walk phase

This avoids discovering and compacting the same array repeatedly. No change in resulting snapshots intended.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1290393002

Cr-Commit-Position: refs/heads/master@{#30177}

9 years ago[turbofan] Gracefully handle missing info()->context() in CodeGenerator::IsMaterializ...
titzer [Fri, 14 Aug 2015 13:07:27 +0000 (06:07 -0700)]
[turbofan] Gracefully handle missing info()->context() in CodeGenerator::IsMaterializableFromFrame()

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1292233004

Cr-Commit-Position: refs/heads/master@{#30176}

9 years agoDo not export natives to runtime via js builtins object.
yangguo [Fri, 14 Aug 2015 12:34:45 +0000 (05:34 -0700)]
Do not export natives to runtime via js builtins object.

Using a temporary container object instead.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1293493003

Cr-Commit-Position: refs/heads/master@{#30175}

9 years agoRework startup-data-util.
vogelheim [Fri, 14 Aug 2015 12:11:29 +0000 (05:11 -0700)]
Rework startup-data-util.

- Make the API look like v8::V8::InitializeICU.
  (That is: A static method call, not an object to be created on the stack.)
- Fix path separator on Windows, by calling base::OS::isPathSeparator.
- Move into API, so that it can be called by hello-world & friends.
- Actually call it from hello-world and friends.

R=jochen@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1292053002

Cr-Commit-Position: refs/heads/master@{#30174}

9 years agoNo longer use js builtins object as receiver for calls into JS.
yangguo [Fri, 14 Aug 2015 10:22:16 +0000 (03:22 -0700)]
No longer use js builtins object as receiver for calls into JS.

This is no longer necessary. Everything the callee needs should
be in its context chain.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1289203003

Cr-Commit-Position: refs/heads/master@{#30173}

9 years agoRemove grab-bag includes of v8.h from several files.
mstarzinger [Fri, 14 Aug 2015 09:41:32 +0000 (02:41 -0700)]
Remove grab-bag includes of v8.h from several files.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1297583002

Cr-Commit-Position: refs/heads/master@{#30172}

9 years agoMake some foo.h headers usable without foo-inl.h header.
mstarzinger [Fri, 14 Aug 2015 08:48:11 +0000 (01:48 -0700)]
Make some foo.h headers usable without foo-inl.h header.

This CL is a pure refactoring that makes an empty compilation unit
including just "foo.h" but not "foo-inl.h" compile without warnings or
errors. This is needed to further reduce the header dependency tangle.

This realizes above state for "spaces.h" and "mark-compact.h".

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/1288413002

Cr-Commit-Position: refs/heads/master@{#30171}

9 years agoDebugger: simplify calling into Javascript.
yangguo [Fri, 14 Aug 2015 07:36:36 +0000 (00:36 -0700)]
Debugger: simplify calling into Javascript.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1292533003

Cr-Commit-Position: refs/heads/master@{#30170}

9 years agoUpdate V8 DEPS.
v8-autoroll [Fri, 14 Aug 2015 03:25:40 +0000 (20:25 -0700)]
Update V8 DEPS.

Rolling v8/build/gyp to 6ee91ad8659871916f9aa840d42e1513befdf638

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/1292633003

Cr-Commit-Position: refs/heads/master@{#30169}

9 years agoAlign PreParser for loop early error-checking with Parser
adamk [Thu, 13 Aug 2015 19:10:59 +0000 (12:10 -0700)]
Align PreParser for loop early error-checking with Parser

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/1290193003

Cr-Commit-Position: refs/heads/master@{#30168}

9 years ago[es6] Remove redundant flag parameter
rossberg [Thu, 13 Aug 2015 18:36:34 +0000 (11:36 -0700)]
[es6] Remove redundant flag parameter

R=adamk@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1286133003

Cr-Commit-Position: refs/heads/master@{#30167}

9 years ago[es6] Make assignment to new.target an early ReferenceError
adamk [Thu, 13 Aug 2015 18:06:04 +0000 (11:06 -0700)]
[es6] Make assignment to new.target an early ReferenceError

In doing so, fix calls CheckAndRewriteReferenceExpression to take proper
start and end positions (instead of just pointing at the first token in
the LHS expression).

BUG=v8:4370
LOG=n

Review URL: https://codereview.chromium.org/1290013002

Cr-Commit-Position: refs/heads/master@{#30166}

9 years ago[interpreter]: Fix interpreter handler table initialization.
rmcilroy [Thu, 13 Aug 2015 17:39:21 +0000 (10:39 -0700)]
[interpreter]: Fix interpreter handler table initialization.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1288893003

Cr-Commit-Position: refs/heads/master@{#30165}

9 years ago[api] Do not force external GCs when only trying to synchronously process phantom...
mlippautz [Thu, 13 Aug 2015 17:22:47 +0000 (10:22 -0700)]
[api] Do not force external GCs when only trying to synchronously process phantom callbacks

Improves on aec8987b5ee55fa46b90b58927e957a4e5f19c09 by not forcing external GCs
(blink) through the GC epilogue callback.

BUG=chromium:515795
LOG=N

Review URL: https://codereview.chromium.org/1287323002

Cr-Commit-Position: refs/heads/master@{#30164}

9 years ago[Interpreter] Register conversion fix and test.
oth [Thu, 13 Aug 2015 17:11:25 +0000 (10:11 -0700)]
[Interpreter] Register conversion fix and test.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1294523002

Cr-Commit-Position: refs/heads/master@{#30163}

9 years agoDebugger: remove duplicate heap iterations.
yangguo [Thu, 13 Aug 2015 16:26:02 +0000 (09:26 -0700)]
Debugger: remove duplicate heap iterations.

R=mlippautz@chromium.org

Review URL: https://codereview.chromium.org/1291043002

Cr-Commit-Position: refs/heads/master@{#30162}

9 years agoRemove inline header includes from non-inline headers (2).
mstarzinger [Thu, 13 Aug 2015 15:30:04 +0000 (08:30 -0700)]
Remove inline header includes from non-inline headers (2).

This tries to remove includes of "-inl.h" headers from normal ".h"
headers, thereby reducing the chance of any cyclic dependencies and
decreasing the average size of our compilation units.

Note that this change still leaves 5 violations of that rule in the
code. It only tackles "node.h" including "types-inl.h".

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1288053004

Cr-Commit-Position: refs/heads/master@{#30161}

9 years agoRemove old webkit Object-getOwnPropertyNames test
adamk [Thu, 13 Aug 2015 15:24:30 +0000 (08:24 -0700)]
Remove old webkit Object-getOwnPropertyNames test

This test enumerates properties on all the builtins and makes sure that
they never change. In practice, this just generates busywork when trying
to add new language features; I've never seen it catch an
accidentally-exposed bit of API.

Review URL: https://codereview.chromium.org/1275423006

Cr-Commit-Position: refs/heads/master@{#30160}

9 years agoMIPS64: Fix InterpreterEntryTrampoline().
paul.lind [Thu, 13 Aug 2015 14:27:05 +0000 (07:27 -0700)]
MIPS64: Fix InterpreterEntryTrampoline().

Was incorrectly loading BytecodeArray::kFrameSizeOffset as 64-bit int.

TEST=cctest/test-interpreter/TestInterpreterReturn
BUG=

Review URL: https://codereview.chromium.org/1286343002

Cr-Commit-Position: refs/heads/master@{#30159}

9 years agoMake some foo.h headers usable without foo-inl.h header.
mstarzinger [Thu, 13 Aug 2015 14:02:22 +0000 (07:02 -0700)]
Make some foo.h headers usable without foo-inl.h header.

This CL us a pure refactoring that makes an empty compilation unit
including just "foo.h" but not "foo-inl.h" compile without warnings or
errors. This is needed to further reduce the header dependency tangle.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/1290743005

Cr-Commit-Position: refs/heads/master@{#30158}

9 years ago[turbofan] Propagate representation information from call descriptors in SimplifiedLo...
titzer [Thu, 13 Aug 2015 13:33:04 +0000 (06:33 -0700)]
[turbofan] Propagate representation information from call descriptors in SimplifiedLowering.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1292033002

Cr-Commit-Position: refs/heads/master@{#30157}

9 years agoX87: [compiler] Remove broken support for undetectable strings.
chunyang.dai [Thu, 13 Aug 2015 13:31:55 +0000 (06:31 -0700)]
X87: [compiler] Remove broken support for undetectable strings.

port b62dbf1efdec68ae709b0e91d3b7c13171b720c9 (r30132).

original commit messge:

    Support for undetectable strings was officially dropped in
    https://codereview.chromium.org/916753002, but the compilers
    weren't fixed properly.

BUG=

Review URL: https://codereview.chromium.org/1287173002

Cr-Commit-Position: refs/heads/master@{#30156}

9 years agoRevert of [runtime] Remove useless IN builtin. (patchset #2 id:20001 of https://coder...
bmeurer [Thu, 13 Aug 2015 13:06:45 +0000 (06:06 -0700)]
Revert of [runtime] Remove useless IN builtin. (patchset #2 id:20001 of https://codereview.chromium.org/1295433002/ )

Reason for revert:
Breaks win32 nosnap

Original issue's description:
> [runtime] Remove useless IN builtin.
>
> Similar to DELETE, the IN builtin is just a thin wrapper for %HasElement
> and %HasProperty anyway, and cannot be optimized, plus it had a weird
> special fast case (which also involved at least one LOAD_IC plus some
> intrinsic magic).
>
> R=yangguo@chromium.org,jarin@chromium.org
>
> Committed: https://crrev.com/72d60a1e80e81e2e68ca402665e2acbc46c5e471
> Cr-Commit-Position: refs/heads/master@{#30154}

TBR=yangguo@chromium.org,jarin@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1288923002

Cr-Commit-Position: refs/heads/master@{#30155}

9 years ago[runtime] Remove useless IN builtin.
bmeurer [Thu, 13 Aug 2015 12:39:03 +0000 (05:39 -0700)]
[runtime] Remove useless IN builtin.

Similar to DELETE, the IN builtin is just a thin wrapper for %HasElement
and %HasProperty anyway, and cannot be optimized, plus it had a weird
special fast case (which also involved at least one LOAD_IC plus some
intrinsic magic).

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

Review URL: https://codereview.chromium.org/1295433002

Cr-Commit-Position: refs/heads/master@{#30154}

9 years agoRevert of Debugger: use a Map to cache mirrors. (patchset #1 id:1 of https://coderevi...
yangguo [Thu, 13 Aug 2015 12:09:30 +0000 (05:09 -0700)]
Revert of Debugger: use a Map to cache mirrors. (patchset #1 id:1 of https://codereview.chromium.org/1287243002/ )

Reason for revert:
Several nosnap and custom snapshot failures.

Original issue's description:
> Debugger: use a Map to cache mirrors.
>
> This makes mirror cache lookup O(1) instead of O(n).
> The downside is that the lookup via handle is O(n). This
> is fine because handles are only used in the JSON api,
> which is not used by Chrome and on death row.
>
> Committed: https://crrev.com/890b1dfca84d9dfecdcfc56517ef541076c6eb1d
> Cr-Commit-Position: refs/heads/master@{#30150}

TBR=bmeurer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1292023002

Cr-Commit-Position: refs/heads/master@{#30153}

9 years agoMake object.h usable without object-inl.h header.
mstarzinger [Thu, 13 Aug 2015 11:49:01 +0000 (04:49 -0700)]
Make object.h usable without object-inl.h header.

This CL us a pure refactoring that makes an empty compilation unit
including just "object.h" but not "object-inl.h" compile without
warnings or errors. This is needed to further reduce the header
dependency tangle.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1286403002

Cr-Commit-Position: refs/heads/master@{#30152}

9 years ago[interpreter]: Update BytecodeArrayBuilder register handling.
rmcilroy [Thu, 13 Aug 2015 11:27:54 +0000 (04:27 -0700)]
[interpreter]: Update BytecodeArrayBuilder register handling.

Modifies the BytecodeArrayBuilder to create register operands which are
negative. This reduces the number of instructions to access registers
by the interpreter and allows us to use positive register operands to
access parameter values.

Adds a Register class to keep register usage typesafe and simplify the
convertion to bytecode operand values.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1283313003

Cr-Commit-Position: refs/heads/master@{#30151}

9 years agoDebugger: use a Map to cache mirrors.
yangguo [Thu, 13 Aug 2015 10:49:04 +0000 (03:49 -0700)]
Debugger: use a Map to cache mirrors.

This makes mirror cache lookup O(1) instead of O(n).
The downside is that the lookup via handle is O(n). This
is fine because handles are only used in the JSON api,
which is not used by Chrome and on death row.

Review URL: https://codereview.chromium.org/1287243002

Cr-Commit-Position: refs/heads/master@{#30150}

9 years agoDebugger: do not expose global object.
yangguo [Thu, 13 Aug 2015 10:19:55 +0000 (03:19 -0700)]
Debugger: do not expose global object.

Review URL: https://codereview.chromium.org/1290063002

Cr-Commit-Position: refs/heads/master@{#30149}

9 years ago[runtime] Remove useless DELETE builtin.
bmeurer [Thu, 13 Aug 2015 09:41:36 +0000 (02:41 -0700)]
[runtime] Remove useless DELETE builtin.

The DELETE builtin calls through to %DeleteProperty anyway, so we
can as well skip the builtin completely and always call into the
runtime directly.  Also add different entries depending on whether
calling code is in sloppy or strict/strong mode.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1291973002

Cr-Commit-Position: refs/heads/master@{#30148}

9 years agoAdd more OWNERS for components.
Benedikt Meurer [Thu, 13 Aug 2015 07:35:25 +0000 (09:35 +0200)]
Add more OWNERS for components.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1293453002 .

Cr-Commit-Position: refs/heads/master@{#30147}

9 years ago[strong] Simplify (and sortof optimize) string addition for strong mode.
bmeurer [Thu, 13 Aug 2015 07:05:07 +0000 (00:05 -0700)]
[strong] Simplify (and sortof optimize) string addition for strong mode.

In strong mode, whenever either operand to an addition is a string, both
must be strings, so we can just use a simple string map check instead of
the STRING_ADD_LEFT / STRING_ADD_RIGHT machinery, which tries to do sloppy
and strict mode conversions before giving up.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/1287203002

Cr-Commit-Position: refs/heads/master@{#30146}

9 years agoRevert of Group lexical context variables for faster look up. (patchset #2 id:20001...
yangguo [Thu, 13 Aug 2015 06:56:30 +0000 (23:56 -0700)]
Revert of Group lexical context variables for faster look up. (patchset #2 id:20001 of https://codereview.chromium.org/1281883002/ )

Reason for revert:
This performance hack is no longer necessary.

Original issue's description:
> Group lexical context variables for faster look up.
>
> Currently, looking up a lexical context variable requires looking up
> the variable name and then checking its mode. This can be a bottleneck
> in Runtime_DeclareGlobals, even when no lexical context variables are
> declared.
>
> R=rossberg@chromium.org
> BUG=crbug:517778
> LOG=N
>
> Committed: https://crrev.com/a45ed17bb6aca02e940f13bbf456d660cccc86ae
> Cr-Commit-Position: refs/heads/master@{#30075}

TBR=rossberg@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=crbug:517778

Review URL: https://codereview.chromium.org/1290053002

Cr-Commit-Position: refs/heads/master@{#30145}

9 years agoMove regexp implementation into its own folder.
yangguo [Thu, 13 Aug 2015 06:55:21 +0000 (23:55 -0700)]
Move regexp implementation into its own folder.

Review URL: https://codereview.chromium.org/1285163003

Cr-Commit-Position: refs/heads/master@{#30144}

9 years agoAdd tests for float32/float64 parameters/returns passed in float32/float64 registers.
titzer [Thu, 13 Aug 2015 05:29:51 +0000 (22:29 -0700)]
Add tests for float32/float64 parameters/returns passed in float32/float64 registers.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1291553005

Cr-Commit-Position: refs/heads/master@{#30143}

9 years agoUpdate V8 DEPS.
v8-autoroll [Thu, 13 Aug 2015 03:26:41 +0000 (20:26 -0700)]
Update V8 DEPS.

Rolling v8/third_party/android_tools to 5722f90e94d02a8dc17b6edb93ead6839d5afcee

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/1290773008

Cr-Commit-Position: refs/heads/master@{#30142}

9 years agoStage sloppy classes
littledan [Wed, 12 Aug 2015 23:42:07 +0000 (16:42 -0700)]
Stage sloppy classes

This patch puts --harmony-sloppy into staging. Now that let, lexically-scoped
functions and ES2015 sloppy mode const semantics have been split off into
separate flags, the change only enables classes in sloppy mode.

BUG=v8:3305
R=adamk
LOG=Y

Review URL: https://codereview.chromium.org/1288153003

Cr-Commit-Position: refs/heads/master@{#30141}

9 years agoAdd class to existing lexical scoping tests
littledan [Wed, 12 Aug 2015 18:42:48 +0000 (11:42 -0700)]
Add class to existing lexical scoping tests

This patch strengthens testing of classes by verifying that the binding
that they export externally follows block scoping, as opposed to var-style
scoping. The tests are based on existing tests for let and const.

R=adamk
LOG=N
BUG=v8:3305

Review URL: https://codereview.chromium.org/1286923002

Cr-Commit-Position: refs/heads/master@{#30140}

9 years agoSecurity: disable nontemporals.
jfb [Wed, 12 Aug 2015 16:57:52 +0000 (09:57 -0700)]
Security: disable nontemporals.

The operations were available on ARM64 and x86-32 but were unused.

It has been conjectured that nontemporals can be used for rowhammer-like bitflips more easily than regular load/store operations. It is therefore desirable to avoid generating these instructions in the future.

R= titzer, jochen, jln, Mark Seaborn, ruiq

Review URL: https://codereview.chromium.org/1276113002

Cr-Commit-Position: refs/heads/master@{#30139}

9 years ago[Atomics] Fix compile failure in clang/win build in runtime-atomics.cc
binji [Wed, 12 Aug 2015 16:44:13 +0000 (09:44 -0700)]
[Atomics] Fix compile failure in clang/win build in runtime-atomics.cc

BUG=v8:4366
LOG=n

Review URL: https://codereview.chromium.org/1287543004

Cr-Commit-Position: refs/heads/master@{#30138}

9 years ago[api] Delete non-maybe version of CompileModule
adamk [Wed, 12 Aug 2015 16:43:06 +0000 (09:43 -0700)]
[api] Delete non-maybe version of CompileModule

Also add a bigger warning to the header comment for the Maybe version.

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/1276353003

Cr-Commit-Position: refs/heads/master@{#30137}

9 years agoDebugger: load debugger builtins as normal native JS.
yangguo [Wed, 12 Aug 2015 14:22:07 +0000 (07:22 -0700)]
Debugger: load debugger builtins as normal native JS.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1282793002

Cr-Commit-Position: refs/heads/master@{#30136}

9 years ago[runtime] Remove useless %_IsUndetectableObject intrinsic.
bmeurer [Wed, 12 Aug 2015 13:44:06 +0000 (06:44 -0700)]
[runtime] Remove useless %_IsUndetectableObject intrinsic.

Instead of using a sequence

  if (something == null && !IS_UNDETECTABLE(something))) { ... }

which will be true if something is either null or undefined, it is
way simpler and way more efficient to just write

  if (something === null || something === (void 0)) { ... }

instead, which allows the compiler(s) to generate pretty decent code
without any need to resort to type feedback from a CompareNil IC.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1288623003

Cr-Commit-Position: refs/heads/master@{#30135}