Commits · 9e939c0976a55c0b434b174996737b28a61ebb8c · Linshizhi / V8

25 Mar, 2021 14 commits

[sparkplug] Pass flags to CreateShallowArrayLiteral · 9e939c09

Leszek Swirski authored Mar 25, 2021

CreateShallowArrayLiteral can fail and bail out to the runtime. We
therefore have to pass the literal flags to the builtin, so that the
runtime e.g. initialises the AllocationSite correctly.

Bug: v8:11420
Change-Id: I57dfbbc202aa2c3b0e7ac01f65ee84f6e3763180
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2786848Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73666}

9e939c09

[sparkplug] Flush baseline code in context serializer · af08fdbf

Leszek Swirski authored Mar 25, 2021

JSFunctions can store a pointer to baseline code, which would trigger
that code to be serialized in the context serializer. Since we don't
support baseline code serialization, we have to flush these baseline
code pointers.

This is similar to the existing optimized code flushing.

Bug: v8:11420
Change-Id: Idabd0caea24aed484d5cf39ad0dad8c2c8180b91
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2786849Reviewed-by: Patrick Thier <pthier@chromium.org>
Commit-Queue: Patrick Thier <pthier@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73665}

af08fdbf

[sparkplug] Add missing SaveAccumulatorScopes · 8f5f5c68

Leszek Swirski authored Mar 25, 2021

Some baseline implementations of non-accumulator-writing bytecodes
would call builtins without saving the accumulator. This clobbers the
accumulator. This was particularly observable with IncBlockCounter.

Bug: v8:11420
Change-Id: I1e8a06526ea6ed018da0d6213775cce130c72aee
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2786847
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73664}

8f5f5c68

[profiler] Fix reachability in eager logging test · bb3794c7

Leszek Swirski authored Mar 25, 2021

Use a local context and compilation cache clearing to trigger code
deletion in ClearUnusedWithEagerLogging, rather than relying on bytecode
flushing. This allows the test to succeed with non-flushable
native-context-independent code, like Sparkplug baseline code.

Bug: v8:11420
Change-Id: Id6e3626b6245b4308d95aa3995a8fb2ee53684f7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2786851Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73663}

bb3794c7

PPC [simd]: fix ExtAddPairwise on PPC · 12c47bb0

Milad Fa authored Mar 24, 2021

We will need to use both the vector multiply even
and odd instructions.

Change-Id: I1af3517dc3359d395682e3d661068b429edba8f1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785427Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73662}

12c47bb0

Reland "PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline." · 20a44ed4

Milad Fa authored Mar 24, 2021

This reverts commit d8c6b2ec.

Reason for revert: original cl has relanded

Original change's description:
> Revert "PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline."
>
> This reverts commit 94272ea5.
>
> Reason for revert: original port was reverted
>
> Original change's description:
> > PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline.
> >
> > Port bdcd7d79
> >
> > Original Commit Message:
> >
> >     If we have baseline code, deoptimize to baseline instead of the
> >     interpreter. The process is similar to deopting to the interpreter.
> >     We just use different builtins
> >     (BaselineEnterAtBytecode/BaselineEnterAtNextBytecode) instead of
> >     InterpreterEnterBytecodeDispatch/InterpreterEnterBytecodeAdvance, that
> >     patch an interpreter frame to a baseline frame and continue execution in
> >     baseline code (based on the deopt type, at the current or next
> >     bytecode).
> >
> > R=pthier@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
> > BUG=
> > LOG=N
> >
> > Change-Id: I3230f3f3c6506230b2751a3389f10b022dec61a3
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783022
> > Reviewed-by: Junliang Yan <junyan@redhat.com>
> > Commit-Queue: Milad Fa <mfarazma@redhat.com>
> > Cr-Commit-Position: refs/heads/master@{#73618}
>
> Change-Id: I903ad90099c4dc5f153d28aea9246933ac69972b
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784002
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Commit-Queue: Milad Fa <mfarazma@redhat.com>
> Cr-Commit-Position: refs/heads/master@{#73630}

Change-Id: I7746f42472ae63e49770f491ae6b8ef7b596cfce
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785380
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73661}

20a44ed4

[Torque] Implement Flatten() and EmitCCValue without std::tuple_cat · 697b9fb0

Nico Hartmann authored Mar 25, 2021

The implementation of Flatten() Torque generates for CSA struct types
and the current implementation of EmitCCValue make heavy use of
std::make_tuple and std::tuple_cat, which had a noticeable impact on
build times of generated files including these outputs.
This CL eliminates all uses of std::tuple_cat and most uses of
std::make_tuple.

Bug: v8:9861
Change-Id: Ib950b2c87983171b8c32c388fc115d2407087717
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784563
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Seth Brenith <seth.brenith@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#73660}

697b9fb0

Revert "[api] Assign serial numbers when template infos are added to cache" · 5e39dac7

Michael Achenbach authored Mar 25, 2021

This reverts commit db16dce2.

Reason for revert:
https://ci.chromium.org/p/v8/builders/ci/V8%20Blink%20Linux%20Debug/8771

Original change's description:
> [api] Assign serial numbers when template infos are added to cache
>
> Instead of assigning serial numbers when the template infos are
> created, this patch creates serial numbers only when they are added to
> cache.
>
> This way only the ones that are first instantiated are allocated the
> fast template cache. Previously, various accessors and methods that
> would almost never get instantiated got assigned to the fast template
> cache.
>
> Bug: v8:11284
> Change-Id: I6b633e56e59cbfc3fa5d4ee2db53ca2849eecdd7
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2621081
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73655}

Bug: v8:11284
Change-Id: I382915b2c1be1d87d7a7a961d13e1dd5e3951a4f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2786844
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#73659}

5e39dac7

[wasm] Enter Context::Scope to install conditional features · 326164d4

Andreas Haas authored Mar 24, 2021

The installation of conditional features in WebAssembly needs
the context to be set in the isolate to fix
https://ci.chromium.org/ui/p/chromium/builders/try/linux-rel/b8851955177753045904/overview.
The context cannot be passed explicitly to all uses of the
context, because Isolate::object_function() accesses
the native_context through the isolate.

Change-Id: I20334fd6779326e64825a15ba2aca3ae06a5c0d7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784684Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73658}

326164d4

[wasm][compiler][arm64] Support floating point selects · 783b0e85

Sam Parker authored Mar 24, 2021

Add Float32Select and Float64Select as OptionalOperators and insert
these, if supported, when handling a Select expression in the wasm
graph builder. FlagsContinuation have been modified to support the
select operation and code generation support has been added for arm64.

This improves the 'Bullet' physics benchmark by ~2-3%.

Change-Id: I928c3085c9136ad8baeeb34c71c47c1c8338844c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2763871
Commit-Queue: Martyn Capewell <martyn.capewell@arm.com>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73657}

783b0e85

Reland "Reland "[sparkplug][deoptimizer] Deoptimize to baseline."" · e438ae2d

Patrick Thier authored Mar 24, 2021

This is a reland of e3ccb538

No changes for the reland.
This CL was speculatively reverted, but was not the cause of the problem.

TBR=jgruber@chromium.org

Original change's description:
> Reland "[sparkplug][deoptimizer] Deoptimize to baseline."
>
> This is a reland of bdcd7d79
>
> Handle lazy deopts when the current bytecode is JumpLoop.
> Instead of advancing to the next bytecode, re-execute the JumpLoop.
>
> TBR=jgruber@chromium.org, neis@chromium.org
>
> Original change's description:
> > [sparkplug][deoptimizer] Deoptimize to baseline.
> >
> > If we have baseline code, deoptimize to baseline instead of the
> > interpreter. The process is similar to deopting to the interpreter.
> > We just use different builtins
> > (BaselineEnterAtBytecode/BaselineEnterAtNextBytecode) instead of
> > InterpreterEnterBytecodeDispatch/InterpreterEnterBytecodeAdvance, that
> > patch an interpreter frame to a baseline frame and continue execution in
> > baseline code (based on the deopt type, at the current or next
> > bytecode).
> >
> > Bug: v8:11420
> > Change-Id: Iabaefb36c05155a435c7b380906a86d9b9d549fa
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2695591
> > Commit-Queue: Patrick Thier <pthier@chromium.org>
> > Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> > Reviewed-by: Georg Neis <neis@chromium.org>
> > Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#73609}
>
> Bug: v8:11420
> Change-Id: Ib8cac028121188ddc23ff29377760ed684eb7392
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783035
> Reviewed-by: Patrick Thier <pthier@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: Patrick Thier <pthier@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73636}

Bug: v8:11420
Change-Id: I7fbbb73a4fdaeab8b294862ee6ae952928c57994
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784695
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Patrick Thier <pthier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73656}

e438ae2d

[api] Assign serial numbers when template infos are added to cache · db16dce2

Sathya Gunasekaran authored Mar 24, 2021

Instead of assigning serial numbers when the template infos are
created, this patch creates serial numbers only when they are added to
cache.

This way only the ones that are first instantiated are allocated the
fast template cache. Previously, various accessors and methods that
would almost never get instantiated got assigned to the fast template
cache.

Bug: v8:11284
Change-Id: I6b633e56e59cbfc3fa5d4ee2db53ca2849eecdd7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2621081Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73655}

db16dce2

Revert "[sparkplug] Enable short builtin calls by default" · 433cace3

Sathya Gunasekaran authored Mar 25, 2021

This reverts commit c10aa432.

Reason for revert: https://ci.chromium.org/ui/p/chromium/builders/try/mac-rel/b8851806981073807856/overview

Original change's description:
> [sparkplug] Enable short builtin calls by default
>
> ... when they are enabled via the GN flag.
>
> Also disable this optimizaion for CFI builds for now.
>
> Sheriffs: This CL adds ~1.2-1.4Mb of memory overhead per Isolate on
> certain configurations and that's expected. This is a temporary fix
> until the full solution is implemented.
> See the design doc linked to the issue for details.
>
> Bug: v8:11527
> Change-Id: I7444c6878ea58d67ef580cf50cb550b3820c85c4
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784690
> Commit-Queue: Igor Sheludko <ishell@chromium.org>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73650}

Bug: v8:11527
Change-Id: I96ff92e3f5c1a1a7ebe68d7f9d2981b5cf9c0094
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784697Reviewed-by: Sathya Gunasekaran  <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73654}

433cace3

Update V8 DEPS. · b3477c3d

v8-ci-autoroll-builder authored Mar 25, 2021

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/f628144..7b935eb

Rolling v8/buildtools/third_party/libc++abi/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi/+log/731dd85..f50df92

Rolling v8/third_party/aemu-linux-x64: oZxl99tyPs7o9Eq0hlPel1m4iyPu1Z92wj2Llb6HWwEC..wvBTICmOxqrOyqTGFXVMcKyHB3KmKkB4Xo6VVahwXs8C

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/dbc2c42..4f773bc

TBR=v8-waterfall-sheriff@grotations.appspotmail.com

Change-Id: I11a315567cd12d4010a191f4b6e5fad8f9735c82
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785805Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#73653}

b3477c3d

24 Mar, 2021 26 commits

[ia32][x64] Create SharedTurboAssembler · ec0094b4

Ng Zhi An authored Mar 19, 2021

SharedTurboAssembler is shared between ia32 and x64. It contains shared
functionality between these two backends. It derives from
TurboAssemblerBase, and the backend-specific TurboAssembler derives from
SharedTurboAssembler. That way, LiftoffAssembler does not need to
change.

As an example, we move a single member function I64x2SConvertI32x4High
into SharedTurboAssembler. This function has the exact same
implementation on ia32 and x64, and is now defined in a single place.

Bug: v8:11589
Change-Id: I1c4a0628d61960e7398d458fb813561751e0614f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2773609Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73652}

ec0094b4

[dict-proto] CSA/Torque implementation of SwissNameDictionary, pt. 3 · d1e751e2

Frank Emrich authored Mar 24, 2021

This CL adds:

a) Allocation and Copy operations on the CSA side

b) Helpers needed for that on both the CSA and Torque side

Bug: v8:11330
Change-Id: I322c84e1762d2d3503a0d4809c6e1c0bc9d442e1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2775563Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73651}

d1e751e2

[sparkplug] Enable short builtin calls by default · c10aa432

Igor Sheludko authored Mar 24, 2021

... when they are enabled via the GN flag.

Also disable this optimizaion for CFI builds for now.

Sheriffs: This CL adds ~1.2-1.4Mb of memory overhead per Isolate on
certain configurations and that's expected. This is a temporary fix
until the full solution is implemented.
See the design doc linked to the issue for details.

Bug: v8:11527
Change-Id: I7444c6878ea58d67ef580cf50cb550b3820c85c4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784690
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73650}

c10aa432

Disable more slow test-swiss-name-dictionary*/ tests · 59cc8e7a

Igor Sheludko authored Mar 24, 2021

In particular Copy and EnumerationOrder.

Tbr: emrich@google.com
Change-Id: Iff3e67b1c51fc070672e1b041dea43339518b6c3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784694Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73649}

59cc8e7a

PPC [simd]: Implement vector I64x2 GtS, GeS and Abs. · ed231aa0

Milad Fa authored Mar 24, 2021

Change-Id: I2fe3b9431fbb22ee045090ba199bfa3b6fd5e19d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785424Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73648}

ed231aa0

Disable test-swiss-name-dictionary*/WrapAround test · ab8c0e37

Frank Emrich authored Mar 24, 2021

This test is unnecessarily slow due to the CSA test suite for
SwissNameDictionary doing excessive runtime calls at the moment. This
causes timeouts on various bot configurations.

Change-Id: Id872698f88f699982362e68da7e9c4a26333f233
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784691
Commit-Queue: Frank Emrich <emrich@google.com>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73647}

ab8c0e37

[CSA] Don't use write barriers when writing Smi fields · 63f46ae4

Camillo Bruni authored Mar 24, 2021

Change-Id: Ia163acfd04d287d33570374254b661becaf1cc67
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2782160Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73646}

63f46ae4

[wasm-simd][arm64] Update f32x4.mul(dup) pattern matching · d2ce5744

Ng Zhi An authored Mar 22, 2021

We now canonicalize earlier in the pipeline, and don't need to worry
about non-canonicalized shuffles.

Bug: v8:11542,v8:11257
Change-Id: If9f5c44061465be339c98e479fd8c5a437bbd74b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2778673Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73645}

d2ce5744

Update V8 DEPS. · 179a392d

v8-ci-autoroll-builder authored Mar 24, 2021

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/b43166a..f628144

Rolling v8/buildtools/third_party/libc++abi/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi/+log/4e07843..731dd85

Rolling v8/third_party/aemu-linux-x64: osbsa1Jjgk8WbE3Ckv8288sgvejWZeAN8DB42wp0YV8C..oZxl99tyPs7o9Eq0hlPel1m4iyPu1Z92wj2Llb6HWwEC

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/e46359d..dbc2c42

Rolling v8/third_party/instrumented_libraries: https://chromium.googlesource.com/chromium/src/third_party/instrumented_libraries/+log/0964a78..6900bf4

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/24cecab..84682eb

Rolling v8/tools/luci-go: git_revision:edffd3478bb26469c614610d1a1c323b7e798b07..git_revision:e1c81c53ccd0366e8fff438f89030043343d4d6b

TBR=v8-waterfall-sheriff@grotations.appspotmail.com

Change-Id: I14ec8ad5ccca6d30ca5cc23e0145cb0cbed1f634
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785241Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#73644}

179a392d

Revert "Reland "[sparkplug][deoptimizer] Deoptimize to baseline."" · ebc9f39f

Deepti Gandluri authored Mar 24, 2021

This reverts commit e3ccb538.

Reason for revert: Speculative revert for ARM 64 CFI fails - https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20CFI/5174?

Original change's description:
> Reland "[sparkplug][deoptimizer] Deoptimize to baseline."
>
> This is a reland of bdcd7d79
>
> Handle lazy deopts when the current bytecode is JumpLoop.
> Instead of advancing to the next bytecode, re-execute the JumpLoop.
>
> TBR=jgruber@chromium.org, neis@chromium.org
>
> Original change's description:
> > [sparkplug][deoptimizer] Deoptimize to baseline.
> >
> > If we have baseline code, deoptimize to baseline instead of the
> > interpreter. The process is similar to deopting to the interpreter.
> > We just use different builtins
> > (BaselineEnterAtBytecode/BaselineEnterAtNextBytecode) instead of
> > InterpreterEnterBytecodeDispatch/InterpreterEnterBytecodeAdvance, that
> > patch an interpreter frame to a baseline frame and continue execution in
> > baseline code (based on the deopt type, at the current or next
> > bytecode).
> >
> > Bug: v8:11420
> > Change-Id: Iabaefb36c05155a435c7b380906a86d9b9d549fa
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2695591
> > Commit-Queue: Patrick Thier <pthier@chromium.org>
> > Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> > Reviewed-by: Georg Neis <neis@chromium.org>
> > Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#73609}
>
> Bug: v8:11420
> Change-Id: Ib8cac028121188ddc23ff29377760ed684eb7392
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783035
> Reviewed-by: Patrick Thier <pthier@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: Patrick Thier <pthier@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73636}

Bug: v8:11420
Change-Id: Icd797b4979a114a2a627e12c8bb7d2215df03182
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785074Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73643}

ebc9f39f

Revert "[sparkplug] Enable short builtin calls by default" · 30bf932f

Deepti Gandluri authored Mar 24, 2021

This reverts commit 407ce2d9.

Reason for revert: Speculative revert for Test262 failures on ARM 64 CFI - https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20CFI/5174?

Original change's description:
> [sparkplug] Enable short builtin calls by default
>
> ... when they are enabled via the GN flag.
>
> Sheriffs: This CL adds ~1.2-1.4Mb of memory overhead per Isolate on
> certain configurations and that's expected. This is a temporary fix
> until the full solution is implemented.
> See the design doc linked to the issue for details.
>
> Bug: v8:11527
> Change-Id: Ie59f55050c02fe523e2be890e2a6f74ff3eca1ea
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784682
> Commit-Queue: Igor Sheludko <ishell@chromium.org>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73637}

Bug: v8:11527
Change-Id: I1376bfeb9297ff4929e4fda00dc0ca2a54fb68c1
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2785075Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73642}

30bf932f

Reland [dict-proto] C++ implementation of SwissNameDictionary, pt. 10 · 8d671de1

Frank Emrich authored Mar 24, 2021

This is the second reland of
https://chromium-review.googlesource.com/c/v8/v8/+/2744138. It
shortens the runtime of further tests.

Original description:


This CL is part of a series that adds the C++ implementation of
SwissNameDictionary, a deterministic property backing store based on
Swiss Tables.

This CL adds the actual tests for SwissNameDictionary, defined in
test-swiss-name-dictionary-shared-tests.h, using the infrastructure
in test-swiss-name-dictionary-infra.[h|cc].

Change-Id: I5b8a7cefb4115ade25b4f8ce032fab9aa10a7b04
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784683Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Frank Emrich <emrich@google.com>
Cr-Commit-Position: refs/heads/master@{#73641}

8d671de1

[wasm] Remove 'constexpr' for gcc support · 1283e53e

Andreas Haas authored Mar 24, 2021

R=nicohartmann@chromium.org

Change-Id: I48294d6944c32ad6b3ee00099c682cb63ad28442
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784685Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73640}

1283e53e

[bash-completion] Support some gm.py completion · c701a39e

Ng Zhi An authored Mar 24, 2021

Support the various combinations of arch-mode-target that gm.py
understands, and also completion of cctests.

Bug: v8:11567
No-Try: true
Change-Id: I05285a93253f4225889e949890f5352bbc173c91
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2774708
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73639}

c701a39e

[compiler] Perform Map::bit_field_2 read/writes non-atomically · 433bee6b

Santiago Aboy Solanes authored Mar 18, 2021

We set the bit_field_2 fields at map construction.

Bug: v8:7790, chromium:1150811
Change-Id: I673334d6900993b8a52e3b85d504cbc3f457c020
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2773053
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73638}

433bee6b

[sparkplug] Enable short builtin calls by default · 407ce2d9

Igor Sheludko authored Mar 24, 2021

... when they are enabled via the GN flag.

Sheriffs: This CL adds ~1.2-1.4Mb of memory overhead per Isolate on
certain configurations and that's expected. This is a temporary fix
until the full solution is implemented.
See the design doc linked to the issue for details.

Bug: v8:11527
Change-Id: Ie59f55050c02fe523e2be890e2a6f74ff3eca1ea
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784682
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73637}

407ce2d9

Reland "[sparkplug][deoptimizer] Deoptimize to baseline." · e3ccb538

Patrick Thier authored Mar 24, 2021

This is a reland of bdcd7d79

Handle lazy deopts when the current bytecode is JumpLoop.
Instead of advancing to the next bytecode, re-execute the JumpLoop.

TBR=jgruber@chromium.org, neis@chromium.org

Original change's description:
> [sparkplug][deoptimizer] Deoptimize to baseline.
>
> If we have baseline code, deoptimize to baseline instead of the
> interpreter. The process is similar to deopting to the interpreter.
> We just use different builtins
> (BaselineEnterAtBytecode/BaselineEnterAtNextBytecode) instead of
> InterpreterEnterBytecodeDispatch/InterpreterEnterBytecodeAdvance, that
> patch an interpreter frame to a baseline frame and continue execution in
> baseline code (based on the deopt type, at the current or next
> bytecode).
>
> Bug: v8:11420
> Change-Id: Iabaefb36c05155a435c7b380906a86d9b9d549fa
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2695591
> Commit-Queue: Patrick Thier <pthier@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73609}

Bug: v8:11420
Change-Id: Ib8cac028121188ddc23ff29377760ed684eb7392
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783035Reviewed-by: Patrick Thier <pthier@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Patrick Thier <pthier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73636}

e3ccb538

[wasm][liftoff] Fix reftype parameter handling · 7d844bdb

Andreas Haas authored Mar 24, 2021

LiftoffCompiler::ProcessParameter assumed that by processing parameters
in the order of their index, register parameters get
processed first, and that for processing stack parameters it can already
use all registers as temp registers. This is not true with reference
type parameters, because registers always first get assigned to value
type parameters even when there is a reference type parameter with a
lower index. Because of this incorrect assumption register parameters
were overwritten by reference type parameters on the stack that got
processed first.

With this CL, only those registers get used as temp registers for
reference type parameters that are not used for parameters.

CC=jkummerow@chromium.org, clemensb@chromium.org
R=thibaudm@chromium.org

Bug: v8:11596
Change-Id: I30ed7f073147df0bd81b9ef4d2b2a54d7badc937
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784560
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73635}

7d844bdb

Add the missing <cstring> header · f613ad38

Milad Fa authored Mar 23, 2021

memcpy might need the above header included to prevent
compilation errors on gcc.

Change-Id: Idfc901f160e051effb322d7da6ecc682b0fedb11
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2782486Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73634}

f613ad38

[wasm][liftoff][arm64] References on arm64 are 64-bit · 714c9ff1

Andreas Haas authored Mar 24, 2021

By accident a "w"-register was used to push references on the stack
instead of an "x"-register. This CL fixes the bug.

CC=jkummerow@chromium.org
R=thibaudm@chromium.org

Bug: v8:11596
Change-Id: I5e0b6bebdc763f8d30fd2891786f6c82b9c1e7ac
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783038Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73633}

714c9ff1

[sparkplug] Allow short builtin calls only on machines with >= 4GB · c1500711

Igor Sheludko authored Mar 24, 2021

... of physical memory, since builtins re-embedding comes with a memory
overhead.

Bug: v8:11527
Change-Id: I24b77c3ab63e1891bd4c6134c3f3456921cc2a01
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784564Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73632}

c1500711

[tools] Fix profview for sparkplug · 26689077

Camillo Bruni authored Mar 24, 2021

- Handle sparkplug code
- Handle regexp code-creation events in the tick-processor, which
  have no valid state marker in the maybe_func data
- Remove calls to print() that break the tick-processor web version

Change-Id: Ic726d1ae3a41cd46f42cf5498e8463564d3b6b83
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784562Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Patrick Thier <pthier@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73631}

26689077

Revert "PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline." · d8c6b2ec

Milad Fa authored Mar 24, 2021

This reverts commit 94272ea5.

Reason for revert: original port was reverted

Original change's description:
> PPC/s390: [sparkplug][deoptimizer] Deoptimize to baseline.
>
> Port bdcd7d79
>
> Original Commit Message:
>
>     If we have baseline code, deoptimize to baseline instead of the
>     interpreter. The process is similar to deopting to the interpreter.
>     We just use different builtins
>     (BaselineEnterAtBytecode/BaselineEnterAtNextBytecode) instead of
>     InterpreterEnterBytecodeDispatch/InterpreterEnterBytecodeAdvance, that
>     patch an interpreter frame to a baseline frame and continue execution in
>     baseline code (based on the deopt type, at the current or next
>     bytecode).
>
> R=pthier@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
> BUG=
> LOG=N
>
> Change-Id: I3230f3f3c6506230b2751a3389f10b022dec61a3
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783022
> Reviewed-by: Junliang Yan <junyan@redhat.com>
> Commit-Queue: Milad Fa <mfarazma@redhat.com>
> Cr-Commit-Position: refs/heads/master@{#73618}

Change-Id: I903ad90099c4dc5f153d28aea9246933ac69972b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784002
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73630}

d8c6b2ec

Revert "Update V8 DEPS." · 713a4cc3

Sathya Gunasekaran authored Mar 24, 2021

This reverts commit bc22fe45.

Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Mac64%20GC%20Stress/b8851879177803719072/overview

Original change's description:
> Update V8 DEPS.
>
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/b43166a..23310ef
>
> Rolling v8/buildtools/third_party/libc++abi/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi/+log/4e07843..731dd85
>
> Rolling v8/third_party/aemu-linux-x64: osbsa1Jjgk8WbE3Ckv8288sgvejWZeAN8DB42wp0YV8C..oZxl99tyPs7o9Eq0hlPel1m4iyPu1Z92wj2Llb6HWwEC
>
> Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/e46359d..dbc2c42
>
> Rolling v8/third_party/googletest/src: https://chromium.googlesource.com/external/github.com/google/googletest/+log/07f4869..1a8ecf1
>
> Rolling v8/third_party/instrumented_libraries: https://chromium.googlesource.com/chromium/src/third_party/instrumented_libraries/+log/0964a78..6900bf4
>
> Rolling v8/tools/luci-go: git_revision:edffd3478bb26469c614610d1a1c323b7e798b07..git_revision:e1c81c53ccd0366e8fff438f89030043343d4d6b
>
> Rolling v8/tools/luci-go: git_revision:edffd3478bb26469c614610d1a1c323b7e798b07..git_revision:e1c81c53ccd0366e8fff438f89030043343d4d6b
>
> Rolling v8/tools/luci-go: git_revision:edffd3478bb26469c614610d1a1c323b7e798b07..git_revision:e1c81c53ccd0366e8fff438f89030043343d4d6b
>
> TBR=v8-waterfall-sheriff@grotations.appspotmail.com
>
> Change-Id: Id531aa3cc66535dacac78b11fcf50b0269e3e71a
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2782609
> Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
> Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#73628}

Change-Id: Ie710cc5ad17caf3ec4a5e38a48b938ef64cc1376
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784565
Auto-Submit: Sathya Gunasekaran  <gsathya@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#73629}

713a4cc3

Update V8 DEPS. · bc22fe45

v8-ci-autoroll-builder authored Mar 24, 2021

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/b43166a..23310ef

Rolling v8/buildtools/third_party/libc++abi/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi/+log/4e07843..731dd85

Rolling v8/third_party/aemu-linux-x64: osbsa1Jjgk8WbE3Ckv8288sgvejWZeAN8DB42wp0YV8C..oZxl99tyPs7o9Eq0hlPel1m4iyPu1Z92wj2Llb6HWwEC

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/e46359d..dbc2c42

Rolling v8/third_party/googletest/src: https://chromium.googlesource.com/external/github.com/google/googletest/+log/07f4869..1a8ecf1

Rolling v8/third_party/instrumented_libraries: https://chromium.googlesource.com/chromium/src/third_party/instrumented_libraries/+log/0964a78..6900bf4

Rolling v8/tools/luci-go: git_revision:edffd3478bb26469c614610d1a1c323b7e798b07..git_revision:e1c81c53ccd0366e8fff438f89030043343d4d6b

TBR=v8-waterfall-sheriff@grotations.appspotmail.com

Change-Id: Id531aa3cc66535dacac78b11fcf50b0269e3e71a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2782609Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#73628}

bc22fe45

[wasm][interpreter] Fix max stack height for implicit rethrow · f035b2f0

Thibaud Michaud authored Mar 24, 2021

Take into account that the implicit rethrow at the end of a try block
might unpack the exception values, and reserve enough stack space for
them.
This is normally done for all throwing opcodes before the switch, but
'end' is not considered a throwing opcode, which is why it needs special
handling.

Also clean up by factorizing the rethrow logic.

R=ahaas@chromium.org

Bug: chromium:1186795
Change-Id: I6fde1b88085db95a9cab32c2c8e0ed1d28b64a32
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783024Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73627}

f035b2f0