Commits · 6ab9c1850f7b2c1225d63286c14d0b54687c5515 · Linshizhi / V8

04 Apr, 2016 10 commits

Fix resuming generator marked for optimization. · 6ab9c185

mstarzinger authored Apr 04, 2016

This fixes a corner case where the generator function of a suspended
generator has been marked for optimization. We assume the optimization
approach will cause a bailout because generators are not optimized. But
resuming is more resilient by always activating the unoptimized code.

R=neis@chromium.org,bmeurer@chromium.org
TEST=mjsunit/regress/regress-crbug-513471
BUG=chromium:513471
LOG=n

Review URL: https://codereview.chromium.org/1856683002

Cr-Commit-Position: refs/heads/master@{#35234}

6ab9c185

Trace events corresponding to GCTracer scopes. · 2b9c99a8

ulan authored Apr 04, 2016

BUG=chromium:597310
LOG=NO

Review URL: https://codereview.chromium.org/1851103002

Cr-Commit-Position: refs/heads/master@{#35233}

2b9c99a8

Properly complete in-object slack tracking. · 4598356f

ishell authored Apr 04, 2016

BUG=chromium:599003
LOG=N

Review URL: https://codereview.chromium.org/1856653002

Cr-Commit-Position: refs/heads/master@{#35232}

4598356f

[heap] Add optimized RecordWrites · 5210f167

cbruni authored Apr 04, 2016

BUG=

Review URL: https://codereview.chromium.org/1834373003

Cr-Commit-Position: refs/heads/master@{#35231}

5210f167

[debugger] fix step-next for tail calls. · 3d4f85ab

yangguo authored Apr 04, 2016

R=ishell@chromium.org
BUG=v8:4698
LOG=N

Review URL: https://codereview.chromium.org/1847373002

Cr-Commit-Position: refs/heads/master@{#35230}

3d4f85ab

[tools] Filter empty categories in GC eval script · cc8e11b7

mlippautz authored Apr 04, 2016

R=hpayer@chromium.org
BUG=
NOTRY=yes

Review URL: https://codereview.chromium.org/1858573002

Cr-Commit-Position: refs/heads/master@{#35229}

cc8e11b7

Move comment above associated declaration so some GUIs can pick it up. · f5b8511b

neis authored Apr 04, 2016

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1857703002

Cr-Commit-Position: refs/heads/master@{#35228}

f5b8511b

Display a meaningfull error message when trying to capture a stack trace to a proxy. · c7ff5766

ishell authored Apr 04, 2016

... instead of RUNTIME_ASSERT pointing to V8 guts.

BUG=chromium:599067
LOG=N

Review URL: https://codereview.chromium.org/1844223004

Cr-Commit-Position: refs/heads/master@{#35227}

c7ff5766

Preserve exception message in iterator finalization. · f70b3d3b

neis authored Apr 04, 2016

The parser uses a try-catch in order to record when the client of an iterator
throws.  The exception then used to get rethrown via 'throw', which
unfortunately resulted in the original exception message object getting
overwritten.

This CL solves this as follows:
- add a clear_pending_message flag to TryCatchStatement (set to true in normal
  cases),
- set clear_pending_message to false for the TryCatchStatement used in iterator
  finalization
- change full-codegen, turbofan, and the interpreter to emit the ClearPendingMessage call
  only when the flag is set,
- replace 'throw' with '%ReThrow' in the iterator finalization code, thus
  reusing the (not-cleared) pending message

R=littledan@chromium.org, mstarzinger@chromium.org, yangguo@chromium.org
BUG=v8:4875
LOG=n

Review URL: https://codereview.chromium.org/1842953003

Cr-Commit-Position: refs/heads/master@{#35226}

f70b3d3b

Further ES2015 RegExp spec compliance fixes · 277f5bd0

littledan authored Apr 04, 2016

- RegExp.prototype.toString() doesn't have any special handling of
  RegExp instances and simply calls the source and flags getters
- Use the original values of global and sticky, rather than based
  on the current flag getters, as specified in
  https://github.com/tc39/ecma262/pull/494

R=yangguo@chromium.org,adamk
LOG=Y
BUG=v8:4602

Review URL: https://codereview.chromium.org/1846303002

Cr-Commit-Position: refs/heads/master@{#35225}

277f5bd0

03 Apr, 2016 2 commits

Let v8's configs have an effect in 64-bit Windows Chromium builds. · 42f2261c

thakis authored Apr 03, 2016

The Chromium 64-bit Windows build uses "Debug_x64" and "Release_x64"
as configs for some reason, so put v8's build config settings there
too.

Reduces e.g. the runtime of CrSettingsBrowserTest.CrSettingsTest from
25s to 12s on my z840 in a 64-bit Chromium debug build
(while also turning on handle zapping).

BUG=chromium:586511
LOG=n

Review URL: https://codereview.chromium.org/1852913002

Cr-Commit-Position: refs/heads/master@{#35224}

42f2261c

Update V8 DEPS. · f5a95d2b

v8-autoroll authored Apr 03, 2016

Rolling v8/base/trace_event/common to ffb39885a2418caa7a6a6652471fe097732675bd

Rolling v8/tools/clang to 8f7a85a108698ce7ed4fe1aa842efa61f195364e

TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org

Review URL: https://codereview.chromium.org/1859433002

Cr-Commit-Position: refs/heads/master@{#35223}

f5a95d2b

02 Apr, 2016 4 commits

Revert of Turbofan: Add MachineOperators for SIMD. (patchset #1 id:1 of... · 8625c489

machenbach authored Apr 02, 2016

Revert of Turbofan: Add MachineOperators for SIMD. (patchset #1 id:1 of https://codereview.chromium.org/1850383002/ )

Reason for revert:
The first revert did help after all. See comments on:
https://codereview.chromium.org/1848433003/

Original issue's description:
> Reland of Turbofan: Add MachineOperators for SIMD. (patchset #1 id:1 of https://codereview.chromium.org/1850373002/ )
>
> Reason for revert:
> Revert didn't help. Still we need to figure out what bothers the msan build.
>
> Original issue's description:
> > Revert of Turbofan: Add MachineOperators for SIMD. (patchset #5 id:70001 of https://codereview.chromium.org/1848433003/ )
> >
> > Reason for revert:
> > [Sheriff] Speculative revert. Compile now times out on msan:
> > https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/builds/7705
> >
> > Original issue's description:
> > > Turbofan: Add MachineOperators for SIMD.
> > >
> > > Takes the SIMD runtime intrinsics as a starting point for defining TF machine operators. The rationale for omitting functions is:
> > >
> > >  - UInt constructors. int and uint aren't distinguished in wasm.
> > >  - Check functions.
> > >  - 'FromXxxBits' functions. These are essentially casts.
> > >  - Simple Load / Store functions. Existing load / store with SIMD type should work.
> > >  - Uint functions, except where their behavior is bitwise different from the Int function.
> > >
> > > Skipped fns:
> > >
> > > Float32x4Check
> > > Float32x4FromInt32x4Bits
> > > Float32x4FromUint32x4Bits
> > > Float32x4FromInt16x8Bits
> > > Float32x4FromUint16x8Bits
> > > Float32x4FromInt8x16Bits
> > > Float32x4FromUint8x16Bits
> > > Float32x4Load
> > > Float32x4Store
> > >
> > > Int32x4Check
> > > Int32x4FromUint32x4
> > > Int32x4FromFloat32x4Bits
> > > Int32x4FromUint32x4Bits
> > > Int32x4FromInt16x8Bits
> > > Int32x4FromUint16x8Bits
> > > Int32x4FromInt8x16Bits
> > > Int32x4FromUint8x16Bits
> > > Int32x4Load
> > > Int32x4Store
> > >
> > > CreateUint32x4
> > > Uint32x4Check
> > > Uint32x4ExtractLane
> > > Uint32x4ReplaceLane
> > > Uint32x4Add
> > > Uint32x4Sub
> > > Uint32x4Mul
> > > Uint32x4And
> > > Uint32x4Or
> > > Uint32x4Xor
> > > Uint32x4Not
> > > Uint32x4Equal
> > > Uint32x4NotEqual
> > > Uint32x4Select
> > > Uint32x4Swizzle
> > > Uint32x4Shuffle
> > > Uint32x4FromInt32x4
> > > Uint32x4FromFloat32x4Bits
> > > Uint32x4FromInt32x4Bits
> > > Uint32x4FromInt16x8Bits
> > > Uint32x4FromUint16x8Bits
> > > Uint32x4FromInt8x16Bits
> > > Uint32x4FromUint8x16Bits
> > > Uint32x4Load
> > > Uint32x4Load1
> > > Uint32x4Load2
> > > Uint32x4Load3
> > > Uint32x4Store
> > > Uint32x4Store1
> > > Uint32x4Store2
> > > Uint32x4Store3
> > >
> > > Bool32x4Check
> > >
> > > Int16x8Check
> > > Int16x8FromUint16x8
> > > Int16x8FromFloat32x4Bits
> > > Int16x8FromInt32x4Bits
> > > Int16x8FromUint32x4Bits
> > > Int16x8FromUint16x8Bits
> > > Int16x8FromInt8x16Bits
> > > Int16x8FromUint8x16Bits
> > > Int16x8Load
> > > Int16x8Store
> > >
> > > CreateUint16x8
> > > Uint16x8Check
> > > Uint16x8ExtractLane
> > > Uint16x8ReplaceLane
> > > Uint16x8Add
> > > Uint16x8Sub
> > > Uint16x8Mul
> > > Uint16x8And
> > > Uint16x8Or
> > > Uint16x8Xor
> > > Uint16x8Not
> > > Uint16x8Equal
> > > Uint16x8NotEqual
> > > Uint16x8Select
> > > Uint16x8Swizzle
> > > Uint16x8Shuffle
> > > Uint16x8FromInt16x8
> > > Uint16x8FromFloat32x4Bits
> > > Uint16x8FromInt32x4Bits
> > > Uint16x8FromUint32x4Bits
> > > Uint16x8FromInt16x8Bits
> > > Uint16x8FromInt8x16Bits
> > > Uint16x8FromUint8x16Bits
> > > Uint16x8Load
> > > Uint16x8Store
> > >
> > > Bool16x8Check
> > >
> > > Int8x16Check
> > > Int8x16FromUint8x16
> > > Int8x16FromFloat32x4Bits
> > > Int8x16FromInt32x4Bits
> > > Int8x16FromUint32x4Bits
> > > Int8x16FromInt16x8Bits
> > > Int8x16FromUint16x8Bits
> > > Int8x16FromUint8x16Bits
> > > Int8x16Load
> > > Int8x16Store
> > >
> > > CreateUint8x16
> > > Uint8x16Check
> > > Uint8x16ExtractLane
> > > Uint8x16ReplaceLane
> > > Uint8x16Add
> > > Uint8x16Sub
> > > Uint8x16Mul
> > > Uint8x16And
> > > Uint8x16Or
> > > Uint8x16Xor
> > > Uint8x16Not
> > > Uint8x16Equal
> > > Uint8x16NotEqual
> > > Uint8x16Select
> > > Uint8x16Swizzle
> > > Uint8x16Shuffle
> > > Uint8x16FromInt8x16
> > > Uint8x16FromFloat32x4Bits
> > > Uint8x16FromInt32x4Bits
> > > Uint8x16FromUint32x4Bits
> > > Uint8x16FromInt16x8Bits
> > > Uint8x16FromUint16x8Bits
> > > Uint8x16FromInt8x16Bits
> > > Uint8x16Load
> > > Uint8x16Store
> > >
> > > Bool8x16Check
> > >
> > > LOG=N
> > > BUG=v8:4124
> > >
> > > Committed: https://crrev.com/3831d41e4ce7b162775732cb6ac1f8139e60aa30
> > > Cr-Commit-Position: refs/heads/master@{#35213}
> >
> > TBR=bradnelson@chromium.org,gdeepti@chromium.org,titzer@chromium.org,mtrofin@chromium.org,bradnelson@google.com,bmeurer@chromium.org,bbudge@chromium.org
> > # Skipping CQ checks because original CL landed less than 1 days ago.
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=v8:4124
> >
> > Committed: https://crrev.com/8481ec6016992e0b9ffb70137e9ff8fcd4135bba
> > Cr-Commit-Position: refs/heads/master@{#35220}
>
> TBR=bradnelson@chromium.org,gdeepti@chromium.org,titzer@chromium.org,mtrofin@chromium.org,bradnelson@google.com,bmeurer@chromium.org,bbudge@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=v8:4124
>
> Committed: https://crrev.com/1f46e3ee8cec6b06b30b569e5688de095c4661ff
> Cr-Commit-Position: refs/heads/master@{#35221}

TBR=bradnelson@chromium.org,gdeepti@chromium.org,titzer@chromium.org,mtrofin@chromium.org,bradnelson@google.com,bmeurer@chromium.org,bbudge@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4124

Review URL: https://codereview.chromium.org/1846413002

Cr-Commit-Position: refs/heads/master@{#35222}

8625c489

Reland of Turbofan: Add MachineOperators for SIMD. (patchset #1 id:1 of... · 1f46e3ee

machenbach authored Apr 02, 2016

Reland of Turbofan: Add MachineOperators for SIMD. (patchset #1 id:1 of https://codereview.chromium.org/1850373002/ )

Reason for revert:
Revert didn't help. Still we need to figure out what bothers the msan build.

Original issue's description:
> Revert of Turbofan: Add MachineOperators for SIMD. (patchset #5 id:70001 of https://codereview.chromium.org/1848433003/ )
>
> Reason for revert:
> [Sheriff] Speculative revert. Compile now times out on msan:
> https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/builds/7705
>
> Original issue's description:
> > Turbofan: Add MachineOperators for SIMD.
> >
> > Takes the SIMD runtime intrinsics as a starting point for defining TF machine operators. The rationale for omitting functions is:
> >
> >  - UInt constructors. int and uint aren't distinguished in wasm.
> >  - Check functions.
> >  - 'FromXxxBits' functions. These are essentially casts.
> >  - Simple Load / Store functions. Existing load / store with SIMD type should work.
> >  - Uint functions, except where their behavior is bitwise different from the Int function.
> >
> > Skipped fns:
> >
> > Float32x4Check
> > Float32x4FromInt32x4Bits
> > Float32x4FromUint32x4Bits
> > Float32x4FromInt16x8Bits
> > Float32x4FromUint16x8Bits
> > Float32x4FromInt8x16Bits
> > Float32x4FromUint8x16Bits
> > Float32x4Load
> > Float32x4Store
> >
> > Int32x4Check
> > Int32x4FromUint32x4
> > Int32x4FromFloat32x4Bits
> > Int32x4FromUint32x4Bits
> > Int32x4FromInt16x8Bits
> > Int32x4FromUint16x8Bits
> > Int32x4FromInt8x16Bits
> > Int32x4FromUint8x16Bits
> > Int32x4Load
> > Int32x4Store
> >
> > CreateUint32x4
> > Uint32x4Check
> > Uint32x4ExtractLane
> > Uint32x4ReplaceLane
> > Uint32x4Add
> > Uint32x4Sub
> > Uint32x4Mul
> > Uint32x4And
> > Uint32x4Or
> > Uint32x4Xor
> > Uint32x4Not
> > Uint32x4Equal
> > Uint32x4NotEqual
> > Uint32x4Select
> > Uint32x4Swizzle
> > Uint32x4Shuffle
> > Uint32x4FromInt32x4
> > Uint32x4FromFloat32x4Bits
> > Uint32x4FromInt32x4Bits
> > Uint32x4FromInt16x8Bits
> > Uint32x4FromUint16x8Bits
> > Uint32x4FromInt8x16Bits
> > Uint32x4FromUint8x16Bits
> > Uint32x4Load
> > Uint32x4Load1
> > Uint32x4Load2
> > Uint32x4Load3
> > Uint32x4Store
> > Uint32x4Store1
> > Uint32x4Store2
> > Uint32x4Store3
> >
> > Bool32x4Check
> >
> > Int16x8Check
> > Int16x8FromUint16x8
> > Int16x8FromFloat32x4Bits
> > Int16x8FromInt32x4Bits
> > Int16x8FromUint32x4Bits
> > Int16x8FromUint16x8Bits
> > Int16x8FromInt8x16Bits
> > Int16x8FromUint8x16Bits
> > Int16x8Load
> > Int16x8Store
> >
> > CreateUint16x8
> > Uint16x8Check
> > Uint16x8ExtractLane
> > Uint16x8ReplaceLane
> > Uint16x8Add
> > Uint16x8Sub
> > Uint16x8Mul
> > Uint16x8And
> > Uint16x8Or
> > Uint16x8Xor
> > Uint16x8Not
> > Uint16x8Equal
> > Uint16x8NotEqual
> > Uint16x8Select
> > Uint16x8Swizzle
> > Uint16x8Shuffle
> > Uint16x8FromInt16x8
> > Uint16x8FromFloat32x4Bits
> > Uint16x8FromInt32x4Bits
> > Uint16x8FromUint32x4Bits
> > Uint16x8FromInt16x8Bits
> > Uint16x8FromInt8x16Bits
> > Uint16x8FromUint8x16Bits
> > Uint16x8Load
> > Uint16x8Store
> >
> > Bool16x8Check
> >
> > Int8x16Check
> > Int8x16FromUint8x16
> > Int8x16FromFloat32x4Bits
> > Int8x16FromInt32x4Bits
> > Int8x16FromUint32x4Bits
> > Int8x16FromInt16x8Bits
> > Int8x16FromUint16x8Bits
> > Int8x16FromUint8x16Bits
> > Int8x16Load
> > Int8x16Store
> >
> > CreateUint8x16
> > Uint8x16Check
> > Uint8x16ExtractLane
> > Uint8x16ReplaceLane
> > Uint8x16Add
> > Uint8x16Sub
> > Uint8x16Mul
> > Uint8x16And
> > Uint8x16Or
> > Uint8x16Xor
> > Uint8x16Not
> > Uint8x16Equal
> > Uint8x16NotEqual
> > Uint8x16Select
> > Uint8x16Swizzle
> > Uint8x16Shuffle
> > Uint8x16FromInt8x16
> > Uint8x16FromFloat32x4Bits
> > Uint8x16FromInt32x4Bits
> > Uint8x16FromUint32x4Bits
> > Uint8x16FromInt16x8Bits
> > Uint8x16FromUint16x8Bits
> > Uint8x16FromInt8x16Bits
> > Uint8x16Load
> > Uint8x16Store
> >
> > Bool8x16Check
> >
> > LOG=N
> > BUG=v8:4124
> >
> > Committed: https://crrev.com/3831d41e4ce7b162775732cb6ac1f8139e60aa30
> > Cr-Commit-Position: refs/heads/master@{#35213}
>
> TBR=bradnelson@chromium.org,gdeepti@chromium.org,titzer@chromium.org,mtrofin@chromium.org,bradnelson@google.com,bmeurer@chromium.org,bbudge@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=v8:4124
>
> Committed: https://crrev.com/8481ec6016992e0b9ffb70137e9ff8fcd4135bba
> Cr-Commit-Position: refs/heads/master@{#35220}

TBR=bradnelson@chromium.org,gdeepti@chromium.org,titzer@chromium.org,mtrofin@chromium.org,bradnelson@google.com,bmeurer@chromium.org,bbudge@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4124

Review URL: https://codereview.chromium.org/1850383002

Cr-Commit-Position: refs/heads/master@{#35221}

1f46e3ee

Revert of Turbofan: Add MachineOperators for SIMD. (patchset #5 id:70001 of... · 8481ec60

machenbach authored Apr 02, 2016

Revert of Turbofan: Add MachineOperators for SIMD. (patchset #5 id:70001 of https://codereview.chromium.org/1848433003/ )

Reason for revert:
[Sheriff] Speculative revert. Compile now times out on msan:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/builds/7705

Original issue's description:
> Turbofan: Add MachineOperators for SIMD.
>
> Takes the SIMD runtime intrinsics as a starting point for defining TF machine operators. The rationale for omitting functions is:
>
>  - UInt constructors. int and uint aren't distinguished in wasm.
>  - Check functions.
>  - 'FromXxxBits' functions. These are essentially casts.
>  - Simple Load / Store functions. Existing load / store with SIMD type should work.
>  - Uint functions, except where their behavior is bitwise different from the Int function.
>
> Skipped fns:
>
> Float32x4Check
> Float32x4FromInt32x4Bits
> Float32x4FromUint32x4Bits
> Float32x4FromInt16x8Bits
> Float32x4FromUint16x8Bits
> Float32x4FromInt8x16Bits
> Float32x4FromUint8x16Bits
> Float32x4Load
> Float32x4Store
>
> Int32x4Check
> Int32x4FromUint32x4
> Int32x4FromFloat32x4Bits
> Int32x4FromUint32x4Bits
> Int32x4FromInt16x8Bits
> Int32x4FromUint16x8Bits
> Int32x4FromInt8x16Bits
> Int32x4FromUint8x16Bits
> Int32x4Load
> Int32x4Store
>
> CreateUint32x4
> Uint32x4Check
> Uint32x4ExtractLane
> Uint32x4ReplaceLane
> Uint32x4Add
> Uint32x4Sub
> Uint32x4Mul
> Uint32x4And
> Uint32x4Or
> Uint32x4Xor
> Uint32x4Not
> Uint32x4Equal
> Uint32x4NotEqual
> Uint32x4Select
> Uint32x4Swizzle
> Uint32x4Shuffle
> Uint32x4FromInt32x4
> Uint32x4FromFloat32x4Bits
> Uint32x4FromInt32x4Bits
> Uint32x4FromInt16x8Bits
> Uint32x4FromUint16x8Bits
> Uint32x4FromInt8x16Bits
> Uint32x4FromUint8x16Bits
> Uint32x4Load
> Uint32x4Load1
> Uint32x4Load2
> Uint32x4Load3
> Uint32x4Store
> Uint32x4Store1
> Uint32x4Store2
> Uint32x4Store3
>
> Bool32x4Check
>
> Int16x8Check
> Int16x8FromUint16x8
> Int16x8FromFloat32x4Bits
> Int16x8FromInt32x4Bits
> Int16x8FromUint32x4Bits
> Int16x8FromUint16x8Bits
> Int16x8FromInt8x16Bits
> Int16x8FromUint8x16Bits
> Int16x8Load
> Int16x8Store
>
> CreateUint16x8
> Uint16x8Check
> Uint16x8ExtractLane
> Uint16x8ReplaceLane
> Uint16x8Add
> Uint16x8Sub
> Uint16x8Mul
> Uint16x8And
> Uint16x8Or
> Uint16x8Xor
> Uint16x8Not
> Uint16x8Equal
> Uint16x8NotEqual
> Uint16x8Select
> Uint16x8Swizzle
> Uint16x8Shuffle
> Uint16x8FromInt16x8
> Uint16x8FromFloat32x4Bits
> Uint16x8FromInt32x4Bits
> Uint16x8FromUint32x4Bits
> Uint16x8FromInt16x8Bits
> Uint16x8FromInt8x16Bits
> Uint16x8FromUint8x16Bits
> Uint16x8Load
> Uint16x8Store
>
> Bool16x8Check
>
> Int8x16Check
> Int8x16FromUint8x16
> Int8x16FromFloat32x4Bits
> Int8x16FromInt32x4Bits
> Int8x16FromUint32x4Bits
> Int8x16FromInt16x8Bits
> Int8x16FromUint16x8Bits
> Int8x16FromUint8x16Bits
> Int8x16Load
> Int8x16Store
>
> CreateUint8x16
> Uint8x16Check
> Uint8x16ExtractLane
> Uint8x16ReplaceLane
> Uint8x16Add
> Uint8x16Sub
> Uint8x16Mul
> Uint8x16And
> Uint8x16Or
> Uint8x16Xor
> Uint8x16Not
> Uint8x16Equal
> Uint8x16NotEqual
> Uint8x16Select
> Uint8x16Swizzle
> Uint8x16Shuffle
> Uint8x16FromInt8x16
> Uint8x16FromFloat32x4Bits
> Uint8x16FromInt32x4Bits
> Uint8x16FromUint32x4Bits
> Uint8x16FromInt16x8Bits
> Uint8x16FromUint16x8Bits
> Uint8x16FromInt8x16Bits
> Uint8x16Load
> Uint8x16Store
>
> Bool8x16Check
>
> LOG=N
> BUG=v8:4124
>
> Committed: https://crrev.com/3831d41e4ce7b162775732cb6ac1f8139e60aa30
> Cr-Commit-Position: refs/heads/master@{#35213}

TBR=bradnelson@chromium.org,gdeepti@chromium.org,titzer@chromium.org,mtrofin@chromium.org,bradnelson@google.com,bmeurer@chromium.org,bbudge@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4124

Review URL: https://codereview.chromium.org/1850373002

Cr-Commit-Position: refs/heads/master@{#35220}

8481ec60

Update V8 DEPS. · edc8acff

v8-autoroll authored Apr 02, 2016

Rolling v8/base/trace_event/common to 0fc98828a66ee4d69b9524e4967b9287b7b8eea0

Rolling v8/build/gyp to 697933c2e3b3ffdd6949df3c2fa3613489e01175

Rolling v8/tools/clang to 87058e09f9c547eb5d00cb8ca666c6aec203a117

TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org

Review URL: https://codereview.chromium.org/1853783004

Cr-Commit-Position: refs/heads/master@{#35219}

edc8acff

01 Apr, 2016 24 commits

S390: Fix '[ic] Use the CallFunction builtin to invoke accessors.' · 9fbc04f8

jyan authored Apr 01, 2016

Fix native compilation error due to gcc error "call of overloaded
‘Operand(int)’ is ambiguous"

R=joransiu@ca.ibm.com, mbrandy@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1847303004

Cr-Commit-Position: refs/heads/master@{#35218}

9fbc04f8

S390: [ic] Use the CallFunction builtin to invoke accessors. · 6c38fde9

jyan authored Apr 01, 2016

port 6df9a22c

Original Commit Message:
    The HandlerCompiler did not properly handle the weird edge case when a
    sloppy mode function was installed as an accessor on one of the value
    wrapper prototypes and then accessed via a load from a primitive value.
    In this case we just passed the primitive value untouched instead of
    properly wrapping it first. The CallFunction builtin properly deals with
    all the funny edge cases, so we use it instead of duplicating almost all
    of the logic here (the performance difference is neglible).

R=verwaest@chromium.org, bmeurer@chromium.org, joransiu@ca.ibm.com, mbrandy@us.ibm.com, michael_dawson@ca.ibm.com
BUG=chromium:599073, v8:4413
LOG=n

Review URL: https://codereview.chromium.org/1849233003

Cr-Commit-Position: refs/heads/master@{#35217}

6c38fde9

PPC: [turbofan] Optimize loading 64-bit SMIs. · 6ae6d3f8

mbrandy authored Apr 01, 2016

Especially when loading and untagging SMIs within code stubs,
instances of the following pattern appear in the generated code:

    ld    <dst>, <offset>(<base>)
    sradi <dst>,<dst>,32

This CL changes that code to:

    lwa   <dst>, <SmiWordOffset(offset)>(<base>)

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1855533002

Cr-Commit-Position: refs/heads/master@{#35216}

6ae6d3f8

S390: Assembler changes for enabling GrowHeap in Wasm · d8cd323d

jyan authored Apr 01, 2016

Port e1a7c1e7

Original commit message:
    - New RelocInfo mode WASM_MEMORY_REFERENCE as a marker for wasm code objects that need to be relocated on a heap change
    - RelocInfo mode recorded for immediates that use the memory buffer as base
    - Tests to verify address patching works

R=joransiu@ca.ibm.com, mbrandy@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1848353002

Cr-Commit-Position: refs/heads/master@{#35215}

d8cd323d

PPC: [ic] Use the CallFunction builtin to invoke accessors. · 2799cd15

mbrandy authored Apr 01, 2016

Port 6df9a22c

Original commit message:
    The HandlerCompiler did not properly handle the weird edge case when a
    sloppy mode function was installed as an accessor on one of the value
    wrapper prototypes and then accessed via a load from a primitive value.
    In this case we just passed the primitive value untouched instead of
    properly wrapping it first. The CallFunction builtin properly deals with
    all the funny edge cases, so we use it instead of duplicating almost all
    of the logic here (the performance difference is neglible).

R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=chromium:599073, v8:4413
LOG=n

Review URL: https://codereview.chromium.org/1846953006

Cr-Commit-Position: refs/heads/master@{#35214}

2799cd15

Turbofan: Add MachineOperators for SIMD. · 3831d41e

bbudge authored Apr 01, 2016

IMPORTANT NOTE: This will likely be macroized to reduce boilerplate. Publishing now to start discussion about approach, which ops are needed, etc. Omitted functions are commented out in machine-operator.h so start there.

Takes the SIMD runtime intrinsics as a starting point for defining TF machine operators. The rationale for omitting functions is:

 - UInt constructors. int and uint aren't distinguished in wasm.
 - Check functions.
 - 'FromXxxBits' functions. These are essentially casts.
 - Simple Load / Store functions. Existing load / store with SIMD type should work.
 - Uint functions, except where their behavior is bitwise different from the Int function.

Skipped fns:

Float32x4Check
Float32x4FromInt32x4Bits
Float32x4FromUint32x4Bits
Float32x4FromInt16x8Bits
Float32x4FromUint16x8Bits
Float32x4FromInt8x16Bits
Float32x4FromUint8x16Bits
Float32x4Load
Float32x4Store

Int32x4Check
Int32x4FromUint32x4
Int32x4FromFloat32x4Bits
Int32x4FromUint32x4Bits
Int32x4FromInt16x8Bits
Int32x4FromUint16x8Bits
Int32x4FromInt8x16Bits
Int32x4FromUint8x16Bits
Int32x4Load
Int32x4Store

CreateUint32x4
Uint32x4Check
Uint32x4ExtractLane
Uint32x4ReplaceLane
Uint32x4Add
Uint32x4Sub
Uint32x4Mul
Uint32x4And
Uint32x4Or
Uint32x4Xor
Uint32x4Not
Uint32x4Equal
Uint32x4NotEqual
Uint32x4Select
Uint32x4Swizzle
Uint32x4Shuffle
Uint32x4FromInt32x4
Uint32x4FromFloat32x4Bits
Uint32x4FromInt32x4Bits
Uint32x4FromInt16x8Bits
Uint32x4FromUint16x8Bits
Uint32x4FromInt8x16Bits
Uint32x4FromUint8x16Bits
Uint32x4Load
Uint32x4Load1
Uint32x4Load2
Uint32x4Load3
Uint32x4Store
Uint32x4Store1
Uint32x4Store2
Uint32x4Store3

Bool32x4Check

Int16x8Check
Int16x8FromUint16x8
Int16x8FromFloat32x4Bits
Int16x8FromInt32x4Bits
Int16x8FromUint32x4Bits
Int16x8FromUint16x8Bits
Int16x8FromInt8x16Bits
Int16x8FromUint8x16Bits
Int16x8Load
Int16x8Store

CreateUint16x8
Uint16x8Check
Uint16x8ExtractLane
Uint16x8ReplaceLane
Uint16x8Add
Uint16x8Sub
Uint16x8Mul
Uint16x8And
Uint16x8Or
Uint16x8Xor
Uint16x8Not
Uint16x8Equal
Uint16x8NotEqual
Uint16x8Select
Uint16x8Swizzle
Uint16x8Shuffle
Uint16x8FromInt16x8
Uint16x8FromFloat32x4Bits
Uint16x8FromInt32x4Bits
Uint16x8FromUint32x4Bits
Uint16x8FromInt16x8Bits
Uint16x8FromInt8x16Bits
Uint16x8FromUint8x16Bits
Uint16x8Load
Uint16x8Store

Bool16x8Check

Int8x16Check
Int8x16FromUint8x16
Int8x16FromFloat32x4Bits
Int8x16FromInt32x4Bits
Int8x16FromUint32x4Bits
Int8x16FromInt16x8Bits
Int8x16FromUint16x8Bits
Int8x16FromUint8x16Bits
Int8x16Load
Int8x16Store

CreateUint8x16
Uint8x16Check
Uint8x16ExtractLane
Uint8x16ReplaceLane
Uint8x16Add
Uint8x16Sub
Uint8x16Mul
Uint8x16And
Uint8x16Or
Uint8x16Xor
Uint8x16Not
Uint8x16Equal
Uint8x16NotEqual
Uint8x16Select
Uint8x16Swizzle
Uint8x16Shuffle
Uint8x16FromInt8x16
Uint8x16FromFloat32x4Bits
Uint8x16FromInt32x4Bits
Uint8x16FromUint32x4Bits
Uint8x16FromInt16x8Bits
Uint8x16FromUint16x8Bits
Uint8x16FromInt8x16Bits
Uint8x16Load
Uint8x16Store

Bool8x16Check

LOG=N
BUG=v8:4124

Review URL: https://codereview.chromium.org/1848433003

Cr-Commit-Position: refs/heads/master@{#35213}

3831d41e

MIPS64: Fix '[turbofan] Frame elision for code stubs.' · 3e284d19

akos.palfi authored Apr 01, 2016

Port 53d51c52

TEST=mjsunit/es6/array-copywithin, mjsunit/harmony/array-species
BUG=

Review URL: https://codereview.chromium.org/1847073003

Cr-Commit-Position: refs/heads/master@{#35212}

3e284d19

S390: Implemented SLBR in s390 simulator. · 6dfcaafe

bryleun authored Apr 01, 2016

This CL implements the SLBR, subtract logical 32-bit int with borrow, instruction in the s390 simulator.

R=michael_dawson@ca.ibm.com,jyan@ca.ibm.com,mbrandy@us.ibm.com,joransiu@ca.ibm.com,

BUG=

Review URL: https://codereview.chromium.org/1850163004

Cr-Commit-Position: refs/heads/master@{#35211}

6dfcaafe

Revert of PPC: [compiler] Add relocatable pointer constants for wasm memory... · bdfe29af

mbrandy authored Apr 01, 2016

Revert of PPC: [compiler] Add relocatable pointer constants for wasm memory references. (patchset #1 id:1 of https://codereview.chromium.org/1851543004/ )

Reason for revert:
Original commit reverted.

Original issue's description:
> PPC: [compiler] Add relocatable pointer constants for wasm memory references.
>
> Port eb5fe0df
>
> Original commit message:
>     Add relocatable pointers for wasm memory references that need to
>     be updated when wasm GrowMemory is used. Code generator changes to
>     accept relocatable constants as immediates.
>
> R=gdeepti@google.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
> BUG=
>
> Committed: https://crrev.com/ba053c4620c3b91ddc540f733f8b4dd9a792bb13
> Cr-Commit-Position: refs/heads/master@{#35203}

TBR=gdeepti@google.com,joransiu@ca.ibm.com,jyan@ca.ibm.com,michael_dawson@ca.ibm.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1851823002

Cr-Commit-Position: refs/heads/master@{#35210}

bdfe29af

[elements] Avoid using IsKey in loops · ba5a6196

cbruni authored Apr 01, 2016

IsKey is much slower compare to direct comparisons with undefined_value
and the_hole_value.

BUG=

Review URL: https://codereview.chromium.org/1847183004

Cr-Commit-Position: refs/heads/master@{#35209}

ba5a6196

[builtins] Migrate Math.clz32 to a TurboFan builtin. · eaa92feb

bmeurer authored Apr 01, 2016

This allows us to remove the troublesome %_MathClz32 intrinsic and also
allows us to utilize the functionality that is already available in
TurboFan. Also introduce a proper NumberClz32 operator so we don't need
to introduce a machine operator at the JS level.

R=epertoso@chromium.org

Review URL: https://codereview.chromium.org/1852553003

Cr-Commit-Position: refs/heads/master@{#35208}

eaa92feb

S390: [wasm] Fixed float-to-int conversion tests. · 652853da

jyan authored Apr 01, 2016

port ac7f0e2b

Original Commit Message:
   *) For all tests the input validation was incorrect, i.e. some values
   were considered invalid although they were valid. The problem was that
   values which are outside int range can get in range through truncation.

   *) Removed an assertion in the x64 code generation of
   TruncateFloat64ToUint32 which trapped on negative inputs.

   *) Introduced a new TF operator TruncateFloat32ToUint32 which does
   the same as ChangeFloat32ToUint32 but does not trap on negative inputs.

R=titzer@chromium.org, ahaas@chromium.org, joransiu@ca.ibm.com, mbrandy@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1844053005

Cr-Commit-Position: refs/heads/master@{#35207}

652853da

S390: Guard RISBG usage with facility check · c2791380

joransiu authored Apr 01, 2016

A use of risbg instruction is not guarded by the corresponding
GENERAL_INSTR_EXT facility check.  This will result in an illegal
instruction when running on hardware without that facility installed
(i.e. z9).

R=jyan@ca.ibm.com,michael_dawson@ca.ibm.com,mbrandy@us.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1848533006

Cr-Commit-Position: refs/heads/master@{#35206}

c2791380

[heap] Abort AdvanceIncrementalMarking when we do not make marking progress. · 3283d6d3

hpayer authored Apr 01, 2016

BUG=v8:4804
LOG=n

Review URL: https://codereview.chromium.org/1853463004

Cr-Commit-Position: refs/heads/master@{#35205}

3283d6d3

PPC: Assembler changes for enabling GrowHeap in Wasm · 58f2be43

mbrandy authored Apr 01, 2016

Port e1a7c1e7

Original commit message:
    - New RelocInfo mode WASM_MEMORY_REFERENCE as a marker for wasm code objects that need to be relocated on a heap change
    - RelocInfo mode recorded for immediates that use the memory buffer as base
    - Tests to verify address patching works

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1845283004

Cr-Commit-Position: refs/heads/master@{#35204}

58f2be43

PPC: [compiler] Add relocatable pointer constants for wasm memory references. · ba053c46

mbrandy authored Apr 01, 2016

Port eb5fe0df

Original commit message:
    Add relocatable pointers for wasm memory references that need to
    be updated when wasm GrowMemory is used. Code generator changes to
    accept relocatable constants as immediates.

R=gdeepti@google.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1851543004

Cr-Commit-Position: refs/heads/master@{#35203}

ba053c46

[Interpreter] Handles BytecodeArrays when scanning objects in heap. · 8a9ada48

mythria authored Apr 01, 2016

Handles bytecodeArray Objects when verifying the heap and also when
collecting code statistics. The changes include:
1. BytecodeArrays could be a part of the large object space. When
verifying the large object space we should also allow BytecodeArray
objects.
2. Adds support for BytecodeArrays when collecting code statistics.

BUG=v8:4280,chromium:599001
LOG=N

Review URL: https://codereview.chromium.org/1850443006

Cr-Commit-Position: refs/heads/master@{#35202}

8a9ada48

[interpreter] A few code coverage improvements. · 0c32e98e

oth authored Apr 01, 2016

Improves code coverage of bytecode array builder and constant
array builder.

Fixes initial index for constant pool slice for kQuad operands.

BUG=v8:4280,chromium:599000
LOG=N
TBR=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/1845313002

Cr-Commit-Position: refs/heads/master@{#35201}

0c32e98e

Adding %_NewObject intrinsic · 942f255f

cbruni authored Apr 01, 2016

This should help speeding up Promise and RegExp instantiations substantially.

BUG=

Review URL: https://codereview.chromium.org/1850643002

Cr-Commit-Position: refs/heads/master@{#35200}

942f255f

[ia32] Byte and word memory operands in ia32 cmp/test. · 3dd3beb0

epertoso authored Apr 01, 2016

Currently, if the size of two cmp or test operands is a byte or a word, we sign-extend or zero-extend each of them into a 32-bit register before doing the comparison, even when the conditions for the use of a memory operand are met.

This CL makes it possible to load only one of them into a register and address the other as a memory operand.

The tricky bit is that, unlike as in the x64 counterpart http://crrev.com/1780193003, not all registers can be accessed as bytes.

BUG=

Review URL: https://codereview.chromium.org/1845603002

Cr-Commit-Position: refs/heads/master@{#35199}

3dd3beb0

Revert of Ship --harmony-regexp-exec (patchset #3 id:40001 of... · 701911f9

hablich authored Apr 01, 2016

Revert of Ship --harmony-regexp-exec (patchset #3 id:40001 of https://codereview.chromium.org/1847103002/ )

Reason for revert:
breaks some chromium browser_tests: https://codereview.chromium.org/1848233002/

Original issue's description:
> Ship --harmony-regexp-exec
>
> There are still spec compliance fixes to be made, but this patch
> turns the flag to shipping to make sure we get more canary coverage
> and performance data from the bots.
>
> BUG=v8:4602
> LOG=y
>
> Committed: https://crrev.com/84492bb66b340f4e0df36758e98fddbb10b5d1dc
> Cr-Commit-Position: refs/heads/master@{#35181}

TBR=littledan@chromium.org,adamk@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4602

Review URL: https://codereview.chromium.org/1852673003

Cr-Commit-Position: refs/heads/master@{#35198}

701911f9

[turbofan] Introduce JSToInteger and JSToLength operators. · 10b365ab

bmeurer authored Apr 01, 2016

These operators will be easier to optimize, and we can remove some
unnecessary clutter from the intrinsic lowering.

Drive-by-cleanup: Some alpha sorting of the type conversion operator
business.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/1848243002

Cr-Commit-Position: refs/heads/master@{#35197}

10b365ab

Expose a lower bound of malloc'd memory via heap statistics · cb7aa79b

jochen authored Apr 01, 2016

We expect that the majority of malloc'd memory held by V8 is allocated
in Zone objects. Introduce an Allocator class that is used by Zones to
manage memory, and allows for querying the current usage.

BUG=none
R=titzer@chromium.org,bmeurer@chromium.org,jarin@chromium.org
LOG=n
TBR=rossberg@chromium.org

Review URL: https://codereview.chromium.org/1847543002

Cr-Commit-Position: refs/heads/master@{#35196}

cb7aa79b

Fixed rotate left on windows. · 3ffee875

ahaas authored Apr 01, 2016

R=titzer@chromium.org, bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1847413002

Cr-Commit-Position: refs/heads/master@{#35195}

3ffee875