This makes allocation of backing stores more robust by perfoming GCs
on allocation failure. The GCs help if there are existing large backing
stores that are retained by dead JSArrayBuffer objects.
Bug: chromium:1008938, v8:9380
Change-Id: Ic80b29214b8843427dfcdd141df71363821afe71
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1855998
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64241}
The backing store is now propagated to the constructors directly,
instead of being attached after the construction. This ensures that
the backing store is allocated before the array buffer so that we can
trigger GCs on backing store allocation (if allocation fails).
The only exception is builtin where we have to allocate the array buffer
before the backing store to comply with the spec.
Bug: v8:9380
Tbr: verwaest@chromium.org
Change-Id: Ib37db65853f3673dd769368cc3e8b6538ad07ff2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1853444
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64240}
Code from ARES-6 Basic:
ldur w11, [x5, #15]
asr w11, w11, #1
sxtw x11, w11
With this CL:
ldur w11, [x5, #15]
sbfx x11, x11, #1, #31
This increases performance of Ares6 Basic by ~2% on Cortex-A53.
Also reduces the snapshot by ~2000 instructions.
Change-Id: Ie9801da730f832337306422d2a9c63461d9e5690
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1849530
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Martyn Capewell <martyn.capewell@arm.com>
Cr-Commit-Position: refs/heads/master@{#64235}
When aborting evacuation of a page, the GC also needs to take care
of invalidated objects and recorded slots on the page. Add a test
to ensure that future changes do not break this behavior.
Bug: chromium:1012081
Change-Id: I110db67157e4b8c7fdb4d1061e9df6955b532a70
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1855758
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64234}
The vst1 and vld1 instruction does a post-increment access. What we
intend is the usual access at (base+offset). This change adds a helper
function that is called for load and stores of s128, which emits the add
instruction to do base+offset, and then change the addressing mode of
the load/store to Operand2_R, which generates the variant of vld1/vst1
without the offset register. This is similar to how kSimd128 values are
loaded/stored in VisitUnalignedLoad and VisitUnalignedStore.
We also remove kSimd128 cases from UnalignedLoad and UnalignedStore,
since it is supported (see A3.2.1 Unaligned Data Access, ARM DDI
0406C.d)
Bug: v8:9746
Bug: v8:9748
Change-Id: I60b987ac58a5eaacd498a940625163484a3dc2db
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1834771
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64229}
This patch implements https://github.com/tc39/proposal-class-fields/pull/269
and makes sure we always throw TypeError when there is invalid private
name access in computed property keys.
Before this patch, private name variables of private fields and methods
are initialized together with computed property keys in the order they
are declared. Accessing undefined private names in the computed property
keys thus fail silently.
After this patch, we initialize the private name variables of private
fields before we initialize the computed property keys, so that invalid
access to private fields in the computed keys can be checked in the IC.
We now also initialize the brand early, so that invalid access to private
methods or accessors in the computed keys throw TypeError during brand
checks - and since these accesses are guarded by brand checks, we can
create the private methods and accessors after the class is
defined, and merge the home object setting with the creation
of the closures.
Bug: v8:8330, v8:9611
Change-Id: I01363f7befac6cf9dd28ec229b99a99102bcf012
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1846571
Commit-Queue: Joyee Cheung <joyee@igalia.com>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64225}
While removing dead code, v8 currently removes jump targets, but leaves
suspend points, resulting in bytecode analysis issues. This cl simply
removes the suspend point if the remainder of the block is dead.
Bug: v8:9825
Change-Id: Ib147ca01cf64c695c0316017852d61f52fd10cf4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1849197
Commit-Queue: Joshua Litt <joshualitt@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64223}
This patch refactors the declaration and allocation of the class variable, and
implements static private methods:
- The class variable is declared in the class scope with an explicit
reference through class_scope->class_variable(). Anonymous classes
whose class variable may be accessed transitively through static
private method access use the dot string as the class name. Whether
the class variable is allocated depending on whether it is used.
Other references of the class variable in the ClassLiteral AST node
and the ClassInfo structure are removed in favor of the reference
through the class scope.
- Previously the class variable was always (stack- or context-)
allocated if the class is named. Now if the class variable is only
referenced by name, it's stack allocated. If it's used transitively
by access to static private methods, or may be used through eval,
it's context allocated. Therefore we now use 1 less context slots
in the class context if it's a named class without anyone referencing
it by name in inner scopes.
- Explicit access to static private methods or potential access to
static private methods through eval results in forced context
allocation of the class variables. In those cases, we save its index
in context locals in the ScopeInfo and deserialize it later, so that
we can check that the receiver of static private methods is the class
constructor at run time. This flag is recorded as
HasSavedClassVariableIndexField in the scope info.
- Classes that need the class variable to be saved due to
access to static private methods now save a
ShouldSaveClassVariableIndexField in the preparse data so that the
bits on the variables can be updated during a reparse. In the case
of anonymous classes that need the class variables to be saved,
we also re-declare the class variable after the reparse since
the inner functions are skipped and we need to rely on the preparse
data flags to remember declaring it.
Design doc: https://docs.google.com/document/d/1rgGRw5RdzaRrM-GrIMhsn-DLULtADV2dmIdh_iIZxlc/edit
Bug: v8:8330
Change-Id: Idd07803f47614e97ad202de3b7faa9f71105eac5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1781011
Commit-Queue: Joyee Cheung <joyee@igalia.com>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64219}
This moves the list of {BreakPointInfo} objects from {WasmModuleObject}
to the corresponding {Script} object. Breakpoints are expected to affect
all modules/instances for a given script, hence the new placement of the
list is a preparation to fully support per-script breakpoints.
R=clemensb@chromium.org
BUG=v8:6847,chromium:893069
Change-Id: Id97058be5ed79cfdba2cecac5733ba161a6021d5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1852127
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64213}
The flag is enabled since M-70, and we do not use the previous
behaviour anywhere. Hence, remove the flag and clean up some API code.
In particular, the concept of {TransferrableModule} is not needed any
more, we can just use {CompiledWasmModule}.
R=mstarzinger@chromium.org, adamk@chromium.org
Bug: v8:9810
Change-Id: I9b3aa4972277a9262b58da70b141e90d1de31f35
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1847366
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64209}
In preparation for allowing Torque to generate the list of instance
types, I'd like to make the rules a bit more consistent for how instance
types are spelled. This CL is my proposal for a system where every
non-String instance type name is exactly equal to calling
CapifyStringWithUnderscores on the corresponding class name and
appending "_TYPE".
This change is almost all find&replace; the only manual changes are in:
- src/objects/instance-type.h
- src/torque/utils.cc
- tools/gen-postmortem-metadata.py
This change is in response to the review comment
https://chromium-review.googlesource.com/c/v8/v8/+/1757094/25/src/builtins/base.tq#132
Change-Id: Ife3857292669f54931708e934398b2684e60bea5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1814888
Commit-Queue: Seth Brenith <seth.brenith@microsoft.com>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64199}
Trivial changes to the parser to allow parsing for-await. Unfortunately,
these tests uncovered a stress bug related to using await in for
loops(see v8:9825).
Bug: v8:9817, v8:9825
Change-Id: Ie699c85389e94b834a22dc1fb2f9970fc37fcdd3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1848434
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Joshua Litt <joshualitt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64193}
The plan is to eliminate the DecompressionElimination reducer
as well as the Compressed representation. We are adding a flag to
easily swap between the old system and the new one.
Bug: v8:7703, v8:9206
Change-Id: I083fc7a835962eddfd60e9c403131587489f4632
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1815134
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64185}
CheckedInt32ToTaggedSigned -> ChangeTaggedSignedToCompressedSigned was
being simplified to CheckedInt32ToCompressedSigned. However, sometimes
the effect chain is not propagated correctly. Since we have plans to
remove the Compressed MachineRepresentation, we can remove this
optimization now.
Bug: v8:7703, chromium:1011980
Change-Id: I9198c73666848f89db96928259af68400d442229
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1847363
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64178}
This CL implements i8x16.extract_lane_u, i16x8.extract_lane_u operations by
changing the default narrow extract operations to be unsigned. The
sign-extended extracts are implemented on top of the unsigned extracts
with an additional extend compiler node.
For IA32/X64, the codegen effectively remains the same -
0x389332bc32a3 63 660f3a14c900 pextrb rcx,xmm1,0
0x389332bc32a9 69 0fbec9 movsxbl rcx,rcx
0x389332bc32a3 63 660f3a14c900 pextrb rcx,xmm1,0
0x389332bc32a9 69 0fbec9 movsxbl rcx,rcx
On ARM, this adds an additional sxt instruction for the signed extracts.
Bug: v8:8460
Change-Id: I67f14b2b860ff8cc86ffbb2f65c7ef7de32da83f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1846711
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64172}
This is useful for the upcoming "huge TypedArrays" support, to be able
to quickly decide in stubs/generated code whether a string used as the
key for a property load/store can possibly be an exotic integer index.
Bug: v8:4153
Change-Id: I50ce655d2f78fb36e5615fd580f22c9290216c84
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1821460
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64165}
This brings our constants back in line with the changed spec text. We
already use kExprTableGet and kExprTableSet, but for locals and globals
we still use the old wording.
This renaming is mostly mechanical.
PS1 was created using:
ag -l 'kExpr(Get|Set)Global' src test | \
xargs -L1 sed -E 's/kExpr(Get|Set)Global\b/kExprGlobal\1/g' -i
PS2 contains manual fixes.
R=mstarzinger@chromium.org
Bug: v8:9810
Change-Id: I064a6448cd95bc24d31a5931b5b4ef2464ea88b1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1847355
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64163}
This is the first piece of the wasm debugging prototype. This change
adds support for removing breakpoints in WasmModuleObject. This change
does not introduce any ways of exposing this feature.
Code mostly pulled from Paolo Severini's prototype.
Bug: chromium:1010467
Change-Id: Ia2821c59e89aa7f234398bf41e145b907085b382
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1826902
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Eric Leese <leese@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64162}
This brings our constants back in line with the changed spec text. We
already use kExprTableGet and kExprTableSet, but for locals and globals
we still use the old wording.
This renaming is mostly mechanical.
PS1 was created using:
ag -l 'kExpr(Get|Set|Tee)Local' src test | \
xargs -L1 sed -E 's/kExpr(Get|Set|Tee)Local\b/kExprLocal\1/g' -i
PS2 contains manual fixes.
R=mstarzinger@chromium.org
Bug: v8:9810
Change-Id: I1617f1b2a100685a3bf56218e76845a9481959c5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1847354
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64161}
The particular combination of (1) having callee-saved registers in
the stub per the C++ calling convention, (2) passing arguments to
the callee on the stack, and (3) that callee throwing an exception,
caused the saved registers to be restored to bogus values.
To fix this, the stack unwinder needs to compute the stub's frame
size correctly (i.e. without stack parameters).
Bug: chromium:1007608
Change-Id: Iadd99f10764f49f9e3c620c05723e09172c73cf7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1847352
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64160}
Empty slow element dictionary had the sticky bit set. This bit was
used to indicate that the dictionary cannot go to the fast mode either
because the dictionary had elements with attributed or elements at large
indices. There is no reason for the empty dictionary to have this bit set.
This causes bugs in some corner cases.
Bug: chromium:1003732
Change-Id: Ib29e1cda784869b9deb9361d8e6b5539f7154a38
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1833686
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64158}
Unfortunately, codebase contains lots of places that use one of the two
formats as an internal representation for Wasm locations:
1) {line: 0, column: byte offset within entire module}
2) {line: function index, column: byte offset within function}
These places choose these formats interchangeably and convert from one
to another depending on the presence of source map URL in Wasm.
This is not very convenient and makes it hard to add support for DWARF
which should behave just like Wasm with source maps - that is, report a
raw Wasm script instead of fake scripts per each disassembled function,
and use representation (1) instead of (2) internally.
I tried to refactor these locations and avoid checking for source map
URLs in the previous CL - https://crrev.com/c/v8/v8/+/1833688. However,
it quickly got out of hand, and updating code in one place just kept
revealing yet another that gets broken by the changes, so I made a
decision to abandon it and leave to someone who knows the codebase
better.
Instead, this CL is based on https://crrev.com/c/v8/v8/+/1809375, but,
rather than trying to integrate DWARF separately and only for supported
agents, it pretends that encountering DWARF section is the same as
encountering a `sourceMappingURL` section with fake URL "wasm://dwarf".
This ensures that Wasm with DWARF behaves exactly in the same way as
Wasm with source maps, just like we want, with minimal changes to the
codebase. The only downside is that frontends without DWARF support
won't get even a disassembled version of Wasm that contains DWARF info.
This is unfortunate, but, as per previous discussions, should be fine
given current state of Wasm debugging.
Change-Id: Ia7256075e4bfd2f407d001d02b96883d7267436e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1834341
Commit-Queue: Ingvar Stepanyan <rreverser@google.com>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64157}
The test creates 10000 modules, which runs in less then one second in
release builds, but can take much longer with stress flags and on
special bots.
It timed out on the tsan isolates bot in a variant passing
--stress-wasm-code-gc.
Since the test should only verify that we support more than 1000
modules in a single isolate, we do not need to run it in that variant.
Thus just skip it.
R=fgm@chromium.org
Bug: v8:9814
Change-Id: Ie3a4f62a053b1f7cff2c2206f39ddd71a533ae3e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1845229
Reviewed-by: Francis McCabe <fgm@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64153}
TracedGlobalTrait was unable to override v8::TracedGlobal<v8::Object> for
avoiding the destructor because it is needed on the API surface itself and C++
ODR which prohibits specialization after template instantiation.
Avoid this problem by providing a separate type TracedReference
that, similar to TracedGlobal, is purely traced but avoids the destructor
completely. This only works for embedders that have their memory management
tied to V8 as it is prone to accessing already reclaimed objects otherwise.
Bug: chromium:995684
Change-Id: Iab4332ed417b26c58638a8f9389174cc355a305b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1840972
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64150}
Remove test expectations whose behavior is not specified or contradicts
the Stage 3 PR https://github.com/tc39/ecma402/pull/349 which we plan
to land soon.
The Chinese calendar (and other calendars) now need to choose
different patterns for non-default calendars to support the correct
behavior.
Bug: v8:9320
Change-Id: Ia84e0eb1f7244b0d2d252071cf985d97f2acec58
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1838437
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64149}
For this, all Torque stub-linkage builtins use TFC instead of TFS,
with a custom descriptor added to interface-descriptors.h
To avoid having complex logic in the generated code, the new class
TorqueInterfaceDescriptor contains the logic to create a
CallInterfaceDescriptor from a signature consisting of TNode types.
As an example and test, this CL ports StringCharAt to Torque.
Bug: v8:7793
Change-Id: I8339d2ad6e4f908ebdc3b8d30244e4bcbd974f21
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1798427
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64148}
With the smi-corrupting decompression approach we don't have to sign
extend Smis anymore and therefore we can switch to zero extending
approach by moving the isolate root to the beginning of the reserved
4Gb region.
Bug: v8:9706
Change-Id: Icd6008fa87d0924519b574fdec445976f742e306
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1835548
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64144}
Disable because it's not yet supported on BE
Bug: v8:9330
Change-Id: Ia850801d410d3eeaccf9933dd2669f6077e2919c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1834904
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#64141}
Found while testing with asan.
Change-Id: I82529422770653535aae148a4acc6089c5a4fee7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1844786
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Martyn Capewell <martyn.capewell@arm.com>
Cr-Commit-Position: refs/heads/master@{#64136}
... and make sure that the arm64 ptr-compr bots proceed testing V8 without
pointer compression in order to keep testing the other config.
Bug: v8:7703
Change-Id: I0017345273d5328d95a338064dd80b44974c1c53
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1844780
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64132}
Removes CodeStubAssembler::GotoIfDebugExecutionModeChecksSideEffects and
associated test as well as the PerformSideEffectCheckForObject runtime
function.
Bug: v8:9396
Change-Id: Id7748be8fbf1d633f759fef8751ddca13a21748c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1824937
Reviewed-by: Simon Zünd <szuend@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64130}
Placing these tests in anonymous namespaces, is the suggested fix
according to the GCC documentation.
The GCC documentation states: "If a type A depends on a type B with no or
internal linkage, defining it in multiple translation units would be an
ODR violation because the meaning of B is different in each translation unit.
If A only appears in a single translation unit, the best way to silence the
warning is to give it internal linkage by putting it in an anonymous namespace as well."
Change-Id: I69a1e9b5f1789e9a7a62c762cd499809a72e0ea5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1836255
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64128}
This CL removes the StoreBuffer and inserts slots into the
RememberedSet directly from within the RecordWrite builtin. Only calls
into C code when either the SlotSet-array or the bucket is not
allocated. This avoids filling the store buffer up with duplicates or
due to a write-heavy workload and then blocking the main thread on
store buffer processing.
The first CL (https://crrev.com/c/1815241) got reverted, because
mksnapshot was using a different size for SlotSet than the final
binary on ARM. This is fixed now, SlotSet has a standard layout.
Bug: v8:9454
Change-Id: I881641f4ee08a8b42c36fdca8733138b908096bd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1842452
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64126}
