This reverts commit 57db447bf2.
This reland adds handling for Oddballs in Int64Add and Int64Sub in the
SLVerifier and updates the Verifier to check that Int32Constant and
Int64Constant are correctly typed with Type::Machine().
Original change's description:
> [turbofan] Optimize rab/gsab-backed TypedArrays and DataViews
>
> This CL adds TurboFan optimizations for length and element access
> of TypedArrays and DataViews that are rab/gsab-backed.
>
> To enable this optimization, this CL builds the necessary machinery
> required to allow machine operators at the front of the pipeline
> (before simplified lowering). Some key changes to allow this are:
> - Introduce Type::Machine() to allow the typer and the verifier to
> provide a type to those machine operators in parts of the pipeline
> that require nodes to be typed.
> - Add EnterMachineGraph and ExitMachineGraph operators that define
> the boundary between early machine graphs and the normal graph with
> JS semantics.
> - Give Branch operators a BranchSemantics parameter to distinguish
> between machine branches (condition is a machine level value) and
> JS branches (condition is a JS boolean value) and have phases that
> handle branches decide on the branch's semantics based on this
> parameter instead of the position in the pipeline.
> - Extend SimplifiedLowering and SimplifiedLoweringVerifier to handle
> machine graphs. In particular, constants required special handling,
> because they are cached in the graph but they may have uses in both
> a machine and the JS graph, which prevents consistent typing of
> them.
> - Moved lots of logic from JSCallReducerAssembler into
> [JS]GraphAssembler such that functionality can be shared between
> different phases (e.g. JSNativeContextSpecialization and
> JSCallReducer need to generate logic to compute a TypedArray's
> byte length). Extended assembler interface in general with
> additional TNode<> overloads.
>
>
> Bug: v8:11111, chromium:1358505
> Change-Id: Ife006b8c38a83045cd3b8558acbfdcb66408891f
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3898690
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#83881}
Bug: v8:11111, chromium:1358505, v8:13412, chromium:1378439, chromium:1378162
Change-Id: I89702c4be05e0e71cd6836dc50d2e26736a55429
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3980759
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83956}
This reverts commit 05bd7d9cd6.
Reason for revert: Still looks like a reason for rollout tests failure https://ci.chromium.org/ui/p/chromium/builders/try/linux-rel/1179312/overview
Original change's description:
> Reland "[turbofan] Optimize rab/gsab-backed TypedArrays and DataViews"
>
> This reverts commit 4b28d53011.
>
> Original change's description:
> > [turbofan] Optimize rab/gsab-backed TypedArrays and DataViews
> >
> > This CL adds TurboFan optimizations for length and element access
> > of TypedArrays and DataViews that are rab/gsab-backed.
> >
> > To enable this optimization, this CL builds the necessary machinery
> > required to allow machine operators at the front of the pipeline
> > (before simplified lowering). Some key changes to allow this are:
> > - Introduce Type::Machine() to allow the typer and the verifier to
> > provide a type to those machine operators in parts of the pipeline
> > that require nodes to be typed.
> > - Add EnterMachineGraph and ExitMachineGraph operators that define
> > the boundary between early machine graphs and the normal graph with
> > JS semantics.
> > - Give Branch operators a BranchSemantics parameter to distinguish
> > between machine branches (condition is a machine level value) and
> > JS branches (condition is a JS boolean value) and have phases that
> > handle branches decide on the branch's semantics based on this
> > parameter instead of the position in the pipeline.
> > - Extend SimplifiedLowering and SimplifiedLoweringVerifier to handle
> > machine graphs. In particular, constants required special handling,
> > because they are cached in the graph but they may have uses in both
> > a machine and the JS graph, which prevents consistent typing of
> > them.
> > - Moved lots of logic from JSCallReducerAssembler into
> > [JS]GraphAssembler such that functionality can be shared between
> > different phases (e.g. JSNativeContextSpecialization and
> > JSCallReducer need to generate logic to compute a TypedArray's
> > byte length). Extended assembler interface in general with
> > additional TNode<> overloads.
> >
> >
> > Bug: v8:11111, chromium:1358505
> > Change-Id: Ife006b8c38a83045cd3b8558acbfdcb66408891f
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3898690
> > Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> > Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
> > Reviewed-by: Clemens Backes <clemensb@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#83881}
>
> Bug: v8:11111, chromium:1358505, v8:13412
> Change-Id: I61664e18a9dba1741bcb70ec22ba6342521f500a
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3976512
> Reviewed-by: Igor Sheludko <ishell@chromium.org>
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#83904}
Bug: v8:11111, chromium:1358505, v8:13412
Change-Id: I960a34cfdb861feddf51cbcd759218f39b26cd56
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3980313
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Ilya Rezvov <irezvov@chromium.org>
Commit-Queue: Ilya Rezvov <irezvov@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83914}
This reverts commit 4b28d53011.
Original change's description:
> [turbofan] Optimize rab/gsab-backed TypedArrays and DataViews
>
> This CL adds TurboFan optimizations for length and element access
> of TypedArrays and DataViews that are rab/gsab-backed.
>
> To enable this optimization, this CL builds the necessary machinery
> required to allow machine operators at the front of the pipeline
> (before simplified lowering). Some key changes to allow this are:
> - Introduce Type::Machine() to allow the typer and the verifier to
> provide a type to those machine operators in parts of the pipeline
> that require nodes to be typed.
> - Add EnterMachineGraph and ExitMachineGraph operators that define
> the boundary between early machine graphs and the normal graph with
> JS semantics.
> - Give Branch operators a BranchSemantics parameter to distinguish
> between machine branches (condition is a machine level value) and
> JS branches (condition is a JS boolean value) and have phases that
> handle branches decide on the branch's semantics based on this
> parameter instead of the position in the pipeline.
> - Extend SimplifiedLowering and SimplifiedLoweringVerifier to handle
> machine graphs. In particular, constants required special handling,
> because they are cached in the graph but they may have uses in both
> a machine and the JS graph, which prevents consistent typing of
> them.
> - Moved lots of logic from JSCallReducerAssembler into
> [JS]GraphAssembler such that functionality can be shared between
> different phases (e.g. JSNativeContextSpecialization and
> JSCallReducer need to generate logic to compute a TypedArray's
> byte length). Extended assembler interface in general with
> additional TNode<> overloads.
>
>
> Bug: v8:11111, chromium:1358505
> Change-Id: Ife006b8c38a83045cd3b8558acbfdcb66408891f
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3898690
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#83881}
Bug: v8:11111, chromium:1358505, v8:13412
Change-Id: I61664e18a9dba1741bcb70ec22ba6342521f500a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3976512
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83904}
This reverts commit bd590292b3.
Reason for revert:
https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Mac64%20GC%20Stress/25069/overview
Original change's description:
> [turbofan] Optimize rab/gsab-backed TypedArrays and DataViews
>
> This CL adds TurboFan optimizations for length and element access
> of TypedArrays and DataViews that are rab/gsab-backed.
>
> To enable this optimization, this CL builds the necessary machinery
> required to allow machine operators at the front of the pipeline
> (before simplified lowering). Some key changes to allow this are:
> - Introduce Type::Machine() to allow the typer and the verifier to
> provide a type to those machine operators in parts of the pipeline
> that require nodes to be typed.
> - Add EnterMachineGraph and ExitMachineGraph operators that define
> the boundary between early machine graphs and the normal graph with
> JS semantics.
> - Give Branch operators a BranchSemantics parameter to distinguish
> between machine branches (condition is a machine level value) and
> JS branches (condition is a JS boolean value) and have phases that
> handle branches decide on the branch's semantics based on this
> parameter instead of the position in the pipeline.
> - Extend SimplifiedLowering and SimplifiedLoweringVerifier to handle
> machine graphs. In particular, constants required special handling,
> because they are cached in the graph but they may have uses in both
> a machine and the JS graph, which prevents consistent typing of
> them.
> - Moved lots of logic from JSCallReducerAssembler into
> [JS]GraphAssembler such that functionality can be shared between
> different phases (e.g. JSNativeContextSpecialization and
> JSCallReducer need to generate logic to compute a TypedArray's
> byte length). Extended assembler interface in general with
> additional TNode<> overloads.
>
>
> Bug: v8:11111, chromium:1358505
> Change-Id: Ife006b8c38a83045cd3b8558acbfdcb66408891f
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3898690
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#83881}
Bug: v8:11111, chromium:1358505
Change-Id: Ifa7b81523237ebda941cab2feed42c176846b618
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3976028
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Owners-Override: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83888}
This CL adds TurboFan optimizations for length and element access
of TypedArrays and DataViews that are rab/gsab-backed.
To enable this optimization, this CL builds the necessary machinery
required to allow machine operators at the front of the pipeline
(before simplified lowering). Some key changes to allow this are:
- Introduce Type::Machine() to allow the typer and the verifier to
provide a type to those machine operators in parts of the pipeline
that require nodes to be typed.
- Add EnterMachineGraph and ExitMachineGraph operators that define
the boundary between early machine graphs and the normal graph with
JS semantics.
- Give Branch operators a BranchSemantics parameter to distinguish
between machine branches (condition is a machine level value) and
JS branches (condition is a JS boolean value) and have phases that
handle branches decide on the branch's semantics based on this
parameter instead of the position in the pipeline.
- Extend SimplifiedLowering and SimplifiedLoweringVerifier to handle
machine graphs. In particular, constants required special handling,
because they are cached in the graph but they may have uses in both
a machine and the JS graph, which prevents consistent typing of
them.
- Moved lots of logic from JSCallReducerAssembler into
[JS]GraphAssembler such that functionality can be shared between
different phases (e.g. JSNativeContextSpecialization and
JSCallReducer need to generate logic to compute a TypedArray's
byte length). Extended assembler interface in general with
additional TNode<> overloads.
Bug: v8:11111, chromium:1358505
Change-Id: Ife006b8c38a83045cd3b8558acbfdcb66408891f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3898690
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83881}
Nico Hartmann
Ilya Rezvov
Michael Achenbach