- 13 Apr, 2022 14 commits
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Anton Bikineev authored
This reduces card granularity from 4096 to 512 bytes with the goal to improve write barrier filtering. Bug: chromium:1029379 Change-Id: I22e2a9c61ef4c36c3db65404370213d0a8048e08 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582393Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Anton Bikineev <bikineev@chromium.org> Cr-Commit-Position: refs/heads/main@{#79960}
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Marja Hölttä authored
For a while, we shipped a version which writes version 13 data with JSArrayBufferView flags, and then fixed version 13 to not include the flags. This CL adds a compatibility mode for parsing the the version 13 data which includes the flags, since it still occurs in the wild. Bug: chromium:1314833,chromium:1284506 Change-Id: I96cc432c8574a40b11ec0037394feb1853515760 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3583982Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/main@{#79959}
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Michael Lippautz authored
Bug: v8:12781 Change-Id: I4cf23035a7679efdb4830335b75d8616abfbbe08 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582385Reviewed-by:
Dominik Inführ <dinfuehr@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/main@{#79958}
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Nikolaos Papaspyrou authored
Tracer scopes are used in numerous places in src/heap to track time spent during various phases of the garbage collection. Usually, they are introduced with the TRACE_GC* family of macros, taking the scope identifier as a parameter. At most call sites, the scope identifier is known at compile time. This CL inlines the constructor and destructor of GCTracer::Scope, in order to enable the C++ compiler to properly optimize the introduction of such scopes when the scope identifier is known at compile time, using constant propagation. This is expected to have a performance impact for short-lived and frequently used scopes, e.g., in incremental marking and sweeping steps. Change-Id: I6f1a2954a437de1fa6dab5e464c20c952d84ffd4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581774Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
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Jakob Kummerow authored
This makes the installation sequence of WebAssembly.Tag slightly shorter, slightly faster, slightly cleaner in corner-case semantics, and slightly better documented. To allow testing this code, Isolate::InstallConditionalFeatures is exposed as d8.test.installConditionalFeatures(). Fixed: chromium:1314616 Change-Id: I44285e398b8797e0e7d2d8c782cecec3ba68a503 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582382 Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by:
Clemens Backes <clemensb@chromium.org> Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Cr-Commit-Position: refs/heads/main@{#79956}
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Omer Katz authored
NewSpace and PagedSpace both inherit from SpaceWithLinearArena and implement allocation logic on top of it. The parts of the allocation path that deal specifically with the linear allocation area are equivalent (only minor syntactic differences between them). This CL refactors the allocation from a linear allocation area out of NewSpace and PagedSpace and moves it to SpaceWithLinearArea. This eliminates code duplication and keeps everything generally still working the same. This is done as part of an effort to create a stable NewSpace interface to allow introducing an alternative paged new space. Bug: v8:12612 Change-Id: Ie24345a2d51f6e67ebe8a1d67e586038f7aec8de Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578547Reviewed-by:
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Dominik Inführ authored
Change-Id: I11ffc3197e78a15e38978724da07e10b62857b3b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582392 Auto-Submit: Dominik Inführ <dinfuehr@chromium.org> Reviewed-by:
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Jakob Gruber authored
The code generator accesses the heap even without --code-comments set: remove the related condition from the UnparkedScopeIfNeeded. Fixed: v8:12794 Change-Id: I0099f22a9382373c4f75538615fbf431c4d71283 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582389 Commit-Queue: Jakob Linke <jgruber@chromium.org> Auto-Submit: Jakob Linke <jgruber@chromium.org> Reviewed-by:
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Leszek Swirski authored
Unconditional eager deopts from lack of feedback (née soft deopts) mean that the remainder of the basic block is dead. Avoid emitting this code by fast forwarding the iterator until the next merge. The EagerDeopt node becomes a Deopt control node which terminates its own block (this is to avoid spurious control flow after the EagerDeopt, or weirdness with liveness). A concept of "merging dead blocks" has to be introduced so that the successors of the killed block still have the right number of predecessors. Bug: v8:7700 Change-Id: Id9c442c3b18d3f394dc2411604d0c8503d6aaae2 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578647Reviewed-by:
Jakob Linke <jgruber@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#79952}
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Hao Xu authored
Bug: v8:12484 Change-Id: I2b104926fa9d240fceb2bcfb1ec6d13cf07235b7 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3584457Reviewed-by:
Tobias Tebbi <tebbi@chromium.org> Commit-Queue: Hao A Xu <hao.a.xu@intel.com> Cr-Commit-Position: refs/heads/main@{#79951}
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Leszek Swirski authored
Remove the "bad idea" of spilling whenever there's a deopt, and instead use the deoptimizer's register support. In addition, allow untagged int32 inputs into deopts -- if tagging these overflows, then the deoptimizer will automagically create a HeapNumber for us. Hooray for code reuse! Drive-bys: 1. Print input locations for deopt checkpoints. 2. Fix ordering of UpdateUse(input)/UpdateUse(deopt) to match the use marker. Bug: v8:7700 Change-Id: I8069f5bc1bdcd7746a516c7a5cc7e26a15d4e5cb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578805Reviewed-by:Victor Gomes <victorgomes@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#79950}
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henrika authored
Goal is to ensure that the JitLogger for ETW (on Windows) is more inline with other CodeEventLoggers such as PerfJitLogger. The new design ensures that initial Builtin and BytecodHandler events are emitted to and received by the ETWJITInterface::EventHandler. Bug: v8:11043 Change-Id: I5741053c387b9ac63a42de61c99f4ea4ae4bdb96 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581769Reviewed-by:
Camillo Bruni <cbruni@chromium.org> Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/75f73c9..b37c340 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/117c61c..3a1ae18 R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com Change-Id: Ia8be6b3193d1591c8e2c19176bebd5de4b6b10a8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3580883 Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Bot-Commit: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/main@{#79948}
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Lu Yahan authored
Port commit b8473c52 Bug: v8:12161 Change-Id: Iacdfb65c6d60d729fbfc73526f68bc2916b13ede Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581535Reviewed-by:
ji qiu <qiuji@iscas.ac.cn> Commit-Queue: Yahan Lu <yahan@iscas.ac.cn> Auto-Submit: Yahan Lu <yahan@iscas.ac.cn> Cr-Commit-Position: refs/heads/main@{#79947}
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- 12 Apr, 2022 16 commits
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Michael Lippautz authored
Concurrrent marking for v8::TracedReference requires a single bit in global handles to be written concurrently. While no other bits require concurrent access, initialization still needs to properly publish the bits. Avoid this problem by just referring to a persistent marking bitmap that's always present and accessed concurrently, similar to V8's regular marking bitmap. Bug: chromium:1315498, v8:12600 Change-Id: I49ba1af0f5a0a8c7fd2865c7178a9a956bbd953e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582920Reviewed-by:
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Victor Gomes authored
It currently only checks if the node inputs are expected to be tagged or untagged. Bug: v8:7700 Change-Id: Ibf068098dfb08c28b2744cb321fa857572998948 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578804Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Commit-Queue: Victor Gomes <victorgomes@chromium.org> Auto-Submit: Victor Gomes <victorgomes@chromium.org> Cr-Commit-Position: refs/heads/main@{#79945}
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Clemens Backes authored
The constant was updated in https://crrev.com/c/3328783 without updating the comment, which brought them out of sync. R=jkummerow@chromium.org No-Try: true Change-Id: I68b30aca878b5ed5a37ba39c36480d571c62f563 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578806 Auto-Submit: Clemens Backes <clemensb@chromium.org> Reviewed-by:
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Michael Lippautz authored
Most paths filter out empty reference on cppgc::Visitor or v8::JSVisitor level. For v8::TracedReference we may end up with empty reference in case of ephemeron tracing which cannot perfom the null checks on the outer visitor. Bug: chromium:1315550, v8:12600 Change-Id: I5ebb466100a6f2cf25a75585fc2267a632497548 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582124Reviewed-by:
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Victor Gomes authored
Bug: v8:7700 Change-Id: I5290b6af6158dece0d38b24bc80b887f67c2747b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582921 Auto-Submit: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
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Victor Gomes authored
This allows to easily introduce new nodes with untagged represenation. It also speeds up the is_untagged_value check. Bug: v8:7700 Change-Id: Ie391d32ae7742dbad481674de262050c0d564ee6 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581773 Commit-Queue: Victor Gomes <victorgomes@chromium.org> Auto-Submit: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
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Michael Lippautz authored
Bug: chromium:1314954 Change-Id: I22b0f5792f8f65a066b1d167f5f86d9071dff6cf Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582919 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Auto-Submit: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
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Victor Gomes authored
We track untagged values through the InterpreterFrameState, that allows us to re-use already emitted CheckedSmiUntag and elide CheckedSmiTag whenever the next node wants the untagged value as input. It uses LoadRegisterTaggedValue, LoadRegisterSmiUntaggedValue and accumulator variants as helper in the graph builder. Spilled values can now be untagged, since we currently do not support stack slot re-use, we use a ZoneVector to keep track of the stack slot representation. We tag (lazily) any value that will be passed as input to a Phi node. Bug: v8:7700 Change-Id: I34cb69c8f1fbeb6a8158a251a4dd2e114e894ea0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3574559Reviewed-by:
Igor Sheludko <ishell@chromium.org> Commit-Queue: Victor Gomes <victorgomes@chromium.org> Cr-Commit-Position: refs/heads/main@{#79939}
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Nikolaos Papaspyrou authored
Method GCTracer::UpdateStatistics was responsible for copying incremental and background scopes to the current event, before reporting. It was called, however, at the end of the atomic pause and, as a result, some of these scopes would be prematurely copied to the current event (e.g., incremental and background sweeping scopes) and misreported. This CL fixes this by splitting the update of statistics and the copying of incremental and background scopes. It introduces the method GCTracer::FinalizeCurrentEvent which does the latter, which is called from GCTracer::StopCycle. It also introduces methods for correctly accessing and updating scopes, before the current event is finalized, and eliminates the distinction between GCTracer::AddScopeSample and GCTracer::AddScopeSampleBackground. Bug: chromium:1154636 Change-Id: I2a6d9abb3daa2c48b2dce12dc2685cfc84130abf Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3576792Reviewed-by:
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jameslahm authored
... in Runtime::kCopyDataPropertiesWithExcludedPropertiesOnStack. Bug: v8:11614 Change-Id: Ief6d62fff242d3d38c4e586c7252935d3527ddf1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581534Reviewed-by:
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Hannes Payer authored
This reverts commit c27b15b4. Reason for revert: crbug.com/1314191 Original change's description: > [heap] Enable --separate-gc-phases flag. > > Bug: v8:12503 > Change-Id: I81d02231b7e40fb0ed487de128ffaedcd3cd2126 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3571898 > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Commit-Queue: Hannes Payer <hpayer@chromium.org> > Cr-Commit-Position: refs/heads/main@{#79817} Bug: v8:12503, chromium:1314191 Change-Id: I82bd1db765344601cc0118da4a91345dd5001acf Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578655 Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by:
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jameslahm authored
For strict equal boolean literal like "a===true" or "a===false", we could generate TestReferenceEqual rather than TestStrictEqual. And in `execution_result()->IsTest()` case, we could directly emit JumpIfTrue/JumpIfFalse. E.g. ``` a === true ``` Generated Bytecode From: ``` LdaGlobal Star1 LdaTrue TestEqualStrict ``` To: ``` LdaGlobal Star1 LdaTrue TestReferenceEqual ``` E.g. ``` if (a === true) ``` Generated Bytecode From: ``` LdaGlobal Star1 LdaTrue TestEqualStrict JumpIfFalse ``` To ``` LdaGlobal JumpIfTrue Jump ``` Bug: v8:6403 Change-Id: Ieaca147acd2d523ac0d2466e7861afb2d29a1310 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3568923Reviewed-by:
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Joyee Cheung authored
This patch makes sure that NearHeapLimitCallback can invoke operations that trigger garbage collections. In addition this adds code to make the tracers aware of NearHeapLimitCallback. Bug: v8:12777 Change-Id: I959a23a3e0224ba536cb18b14933813e56fc5292 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3575468Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/third_party/google_benchmark/src: https://chromium.googlesource.com/external/github.com/google/benchmark/+log/6f75bb5..dc901ff Fix wheel job name for PyPI uploads (#1384) (Nicholas Junge) https://chromium.googlesource.com/external/github.com/google/benchmark/+/dc901ff R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com,mlippautz@chromium.org Change-Id: I79ab5393db52f4b6142562ab37c9df720dad86b7 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581054 Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Bot-Commit: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/main@{#79933}
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Liu Yu authored
Port commit b8473c52 Bug: v8:12161 Change-Id: I4cdf161356039b47ecf054aeba85c7a3d0d06de0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3583218Reviewed-by:
Zhao Jiazhong <zhaojiazhong-hf@loongson.cn> Commit-Queue: Yu Liu <liuyu@loongson.cn> Auto-Submit: Yu Liu <liuyu@loongson.cn> Cr-Commit-Position: refs/heads/main@{#79932}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/2c3758a..75f73c9 Rolling v8/third_party/android_ndk: https://chromium.googlesource.com/android_ndk/+log/9644104..8388a2b Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/4326c47..117c61c Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/e222245..3b97fa8 Rolling v8/third_party/zlib: https://chromium.googlesource.com/chromium/src/third_party/zlib/+log/c61f267..a6d209a Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/3eacd6c..b5e2f7c R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com Change-Id: I08e857674de2d4bd852eb8805e7305eb99746aeb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581053 Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Bot-Commit: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/main@{#79931}
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- 11 Apr, 2022 10 commits
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Thibaud Michaud authored
For stack-switching, we create a callable object from the WasmResume builtin and pass that as the onFulfilled argument of Promise#then. We don't need to create this callable object each time we suspend. Instead, create it when we initialize the Suspender object and store it there. R=jkummerow@chromium.org CC=fgm@chromium.org Bug: v8:12191 Change-Id: If8495493a71794cddc81b21a17a821fed8f4ede7 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3579162Reviewed-by:
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Milad Fa authored
Simulator needs a way to check if a fp input is a signalling NaN and `issignaling` doesn't seem to be supported on the latest gclient update and causes link errors. Change-Id: Id2a7200b6cf13bb6174b052728fc5a0d5436321c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581768Reviewed-by:
Junliang Yan <junyan@redhat.com> Commit-Queue: Milad Farazmand <mfarazma@redhat.com> Cr-Commit-Position: refs/heads/main@{#79929}
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Michael Lippautz authored
The barrier is published in the atomic pause following the final step. Bug: v8:12775 Change-Id: Ia77e1d213cc02a086d7a557999481b633e6b4df4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582039Reviewed-by:
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Camillo Bruni authored
Change-Id: I3e3a59172a0ffa482a9a3d0c23f616bbf1cf7fb5 No-Try: True Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578858Reviewed-by:
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Leszek Swirski authored
We need to make sure that a node doesn't think it's still allocated in a register (and doesn't need spilling) when it is freed to make space for another allocation. Bug: v8:7700 Change-Id: I6e35cd467bb7f17bb20dc6f4ab0a1df9efe78ffa Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582220 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
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Leszek Swirski authored
We were doing this for synchronous compiles, but not for asynchronous ones. Bug: v8:7700 Change-Id: I10173ddc34bd8750051272c0ec065e21bbd20082 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581767 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
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Samuel Groß authored
The external code space is required for the sandbox, so enable it on Android to be able to enable the sandbox there as well in the future. Bug: v8:11880 Change-Id: Ic7ba29c77affc3e0e83c8a93f2f6f53b3c72b8e8 Cq-Include-Trybots: luci.v8.try:v8_linux64_heap_sandbox_dbg_ng,v8_linux_arm64_sim_heap_sandbox_dbg_ng Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578799Reviewed-by:
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Junliang Yan authored
Change-Id: I8a46ee0f64d6e9b7d71c7f494cac3eff817fbdda Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3582417Reviewed-by:
Milad Farazmand <mfarazma@redhat.com> Commit-Queue: Junliang Yan <junyan@redhat.com> Cr-Commit-Position: refs/heads/main@{#79923}
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Maksim Sadym authored
1. Added `generateWebDriverValue` flag to `Runtime.evaluate` and `Runtime.callFunctionOn`. 2. Added `webDriverValue` field to `RemoteObject`, and set it in case of the `generateWebDriverValue` flag was set. 3. Added virtual method `bidiSerialize` to allow embedder-implemented serialization (like in https://crrev.com/c/3472491). 4. Implemented V8 serialization in a separate class `V8WebDriverSerializer`. 5. Hardcode `max_depth=1`. 6. Added tests. Not implemented yet: 1. `objectId`. 2. Test of embedder-implemented serialization. Tested automatically by: ``` python3 tools/run-tests.py --outdir out/foo inspector/runtime/add-web-driver-value ``` Naming to be discussed. Suggestions are very welcome. Design doc: http://go/bidi-serialization Change-Id: Ib35ed8ff58e40b3304423cc2139050136d844e2c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3472077Reviewed-by:
Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Maksim Sadym <sadym@chromium.org> Cr-Commit-Position: refs/heads/main@{#79922}
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Victor Gomes authored
... and fix AddSmi operation. Bug: v8:7700 Change-Id: If81030e1e0d457076e09db62553342f04477e255 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3581983 Auto-Submit: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
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