- 14 Jun, 2022 16 commits
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Leszek Swirski authored
Check the turbofan and maglev filters when deciding whether to tier up, rather than tiering up even when filters don't pass, then failing to compile when actually trying the compilation. Change-Id: I92eac9aaca1e33e97b77afcc531b9af4d3a9288a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702444 Auto-Submit: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/main@{#81135}
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Milad Fa authored
Currently getting the following errors: ``` error: variable 'string' set but not used unused variable 'start' ``` Bug: v8:12868 Change-Id: I9ee8a14da7d126270255558a630ffd2af3f87f15 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702966 Commit-Queue: Milad Farazmand <mfarazma@redhat.com> Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/main@{#81134}
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Tobias Tebbi authored
This reverts commit ae55e4d2. Reason for revert: blocks Chromium roll: https://ci.chromium.org/ui/p/chromium/builders/try/android-pie-arm64-rel/b8811418393278278849/overview Original change's description: > [sandbox] Enable sandboxed pointers on Android > > Bug: chromium:1218005 > Change-Id: Ie7c100193848544e661ee62f88be4601426a4e18 > 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/+/3702251 > Reviewed-by: Igor Sheludko <ishell@chromium.org> > Commit-Queue: Samuel Groß <saelo@chromium.org> > Cr-Commit-Position: refs/heads/main@{#81117} Bug: chromium:1218005 Change-Id: I78c6d44c917e217bfd5ab1ab893e7b417a63a99a Cq-Include-Trybots: luci.v8.try:v8_linux64_heap_sandbox_dbg_ng,v8_linux_arm64_sim_heap_sandbox_dbg_ng No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702799 Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Owners-Override: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/main@{#81133}
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Andreas Haas authored
The native module cache makes it difficult to test deserialization, because the native module just gets loaded from the cache instead of deserializing the serialized module. This CL adds a new flag, --wasm-native-module-cache-enabled, to control whether the native module cache is enabled or not. The cache gets disabled by handling all modules like asm.js modules when the cache gets disabled, as the cache is not used for asm.js. The name of the flag is positive (i.e. `enabled` instead of `disabled`) to avoid double negation. The flag is true by default, and set to false in tests. R=thibaudm@chromium.org CC=clemensb@chromium.org Bug: v8:12964 Change-Id: If2b96a95ccf37f2eb8a868ad1661c3325c1048f6 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3703836 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by:
Thibaud Michaud <thibaudm@chromium.org> Cr-Commit-Position: refs/heads/main@{#81132}
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Patrick Thier authored
When using the StringForwardingTable for all strings, string shapes can change during GC. This led to an issue when a ConsString was transitioned to a ThinString (and potentially shortcutted to InternalizedString) while flattening. Bug: chromium:1335826, chromium:1329726 Change-Id: Ide243a5e24fd41374053972fb7bab8217d7a14fd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3705377Reviewed-by:
Camillo Bruni <cbruni@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Auto-Submit: Patrick Thier <pthier@chromium.org> Cr-Commit-Position: refs/heads/main@{#81131}
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Tobias Tebbi authored
This reverts commit dac61556. Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20TSAN%20-%20no-concurrent-marking/9288/overview Original change's description: > [inspector] Allow Debugger.setScriptSource to edit top-most function > > This CL adds a new boolean flag on the Debugger.setScriptSource CDP > method that gets piped all the way through to the live-edit mechanism. > The new flag enables live-editing of the top-most function while > paused. > > The CL adds a couple of tests that cover the new core use cases for > this flag. > > R=jarin@chromium.org > > Bug: chromium:1334484 > Change-Id: I12fec591b2b6550d89748714620e629548e1b9c1 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695354 > Reviewed-by: Kim-Anh Tran <kimanh@chromium.org> > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > Commit-Queue: Simon Zünd <szuend@chromium.org> > Cr-Commit-Position: refs/heads/main@{#81127} Bug: chromium:1334484 Change-Id: I165269d6c1b001b516f10ae3716ffb57b675ab39 No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3705378 Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Owners-Override: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/main@{#81130}
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Leszek Swirski authored
Empty blocks were skipped when performing register merges (since they don't have a state), but we were still doing phi value injection only when visiting the empty block. This meant that empty blocks have inconsistent register state with the nodes they are trying to use. Fix this by removing the skipping code, and adding a register merge state to empty blocks. Bug: v8:7700 Change-Id: I305b1474c1f956c5c5775c62e3cd1d0c70b5cfdc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3698553Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#81129}
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Manos Koukoutos authored
Bug: v8:7748 Change-Id: I65dbb496302045820063bd0f4f9ea054e6a645bd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695580Reviewed-by:
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Simon Zünd authored
This CL adds a new boolean flag on the Debugger.setScriptSource CDP method that gets piped all the way through to the live-edit mechanism. The new flag enables live-editing of the top-most function while paused. The CL adds a couple of tests that cover the new core use cases for this flag. R=jarin@chromium.org Bug: chromium:1334484 Change-Id: I12fec591b2b6550d89748714620e629548e1b9c1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695354Reviewed-by:
Kim-Anh Tran <kimanh@chromium.org> Reviewed-by:
Jaroslav Sevcik <jarin@chromium.org> Commit-Queue: Simon Zünd <szuend@chromium.org> Cr-Commit-Position: refs/heads/main@{#81127}
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Thibaud Michaud authored
This reverts commit c14b3e4d. Reason for revert: https://crbug.com/1335195 Original change's description: > [regalloc] add hint for operands in gap moves. > > To eliminate unnecessary move instructions from register to fixed register. We check the fixed register hint for operands in move gaps > when building LiveRanges. If a to_operand has a hint_operand (with fixed register), then set the hint_operand for from_operand too. This can avoid the register allocator ignore hint information about fixed register. > > Bug: v8:12909 > Change-Id: I17f9afa484ee08de8ac1ab42945caba2c362fc9e > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3669019 > Reviewed-by: Thibaud Michaud <thibaudm@chromium.org> > Commit-Queue: Jialu Zhang <jialu.zhang@intel.com> > Cr-Commit-Position: refs/heads/main@{#80844} Bug: v8:12909 Change-Id: Iedba9244a75074e448c5e85880cc202866b91e71 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702335 Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Cr-Commit-Position: refs/heads/main@{#81126}
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Nico Hartmann authored
This is a reland of commit dec4bb06 Original change's description: > [turbofan] Support additional operators in SLVerifier > > This CL extends SimplifiedLoweringVerifier by a few additional operators. > > It fixes the missing type on a LoadElement node generated during > js-typed-lowering, that was detected by the verifier. > > Bug: v8:12619 > Change-Id: I14e3ece15f6a90e6906c140696dcd2e6b74a2527 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3557510 > Reviewed-by: Tobias Tebbi <tebbi@chromium.org> > Commit-Queue: Nico Hartmann <nicohartmann@chromium.org> > Cr-Commit-Position: refs/heads/main@{#80014} Bug: v8:12619 Change-Id: If3cb6efe2005c41118f37b39b0209195b3e63a38 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702330Reviewed-by:
Tobias Tebbi <tebbi@chromium.org> Auto-Submit: Nico Hartmann <nicohartmann@chromium.org> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/main@{#81125}
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Michael Lippautz authored
A TracedReference handle may be moved into a slot of an already processed object, requiring a write barrier. Bug: chromium:1322114 Change-Id: I9c1018422df896c5753b213ebc4a7a7df79c0d80 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3703840 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Dominik Inführ <dinfuehr@chromium.org> Cr-Commit-Position: refs/heads/main@{#81124}
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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/920fa14..2365c4a add multiple OSes to bazel workflow (#1412) (Dominic Hamon) https://chromium.googlesource.com/external/github.com/google/benchmark/+/2365c4a R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com,mlippautz@chromium.org Change-Id: I3b362c41aa806cb5e99e6a687cf80174365bec7e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702970 Bot-Commit: 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/main@{#81123}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/eb941d4..4be7c7b Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/ba0a827..d854027 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/6fbb744..b603090 Rolling v8/third_party/fuchsia-sdk/sdk: version:8.20220612.1.1..version:8.20220613.2.1 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/2b3af06..30892fa R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com Change-Id: I7f58146525115bdcf9d7806dfb9e06e8903deb0c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702969 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@{#81122}
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Yolanda Chen authored
Bug: v8:12940 Change-Id: I2e12ba483f641a27fab623ae4d4f652aa8cdedff Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3699226Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Commit-Queue: Yolanda Chen <yolanda.chen@intel.com> Cr-Commit-Position: refs/heads/main@{#81121}
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jiepan authored
In previous refactoring, the CSS files are moved to subdirectory css Change-Id: I38e05ae1a9e56f36d5bd25131e605a93cfdb61f9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3701958 Commit-Queue: Jie Pan <jie.pan@intel.com> Reviewed-by:
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- 13 Jun, 2022 24 commits
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Andy Wingo authored
Bug: v8:12868 Change-Id: Icdf4a04d55c59613e305ec8258485fd69b57e90a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702258Reviewed-by:
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Andy Wingo authored
Bug: v8:12868 Change-Id: I81f175057ec0d40dbd1e9fd329a0e37ef3ade814 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702332Reviewed-by:
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Samuel Groß authored
Bug: chromium:1218005 Change-Id: Ie7c100193848544e661ee62f88be4601426a4e18 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/+/3702251Reviewed-by:
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Leszek Swirski authored
Concurrent sparkplug adds functions to batches and sends those batches off for compilation, but doesn't note what functions are currently compiling. This means that we can spawn multiple compilation jobs for a function, most of which will be throw away. Add a bit to SharedFunctionInfo to note whether concurrent compilation has been started for it. Change-Id: Ifa442481611044713b2893488387e97f071e408a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702336 Auto-Submit: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
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Leszek Swirski authored
This should help us with various DCHECKs, maybe even with actual branches. Bug: v8:7700 Change-Id: I6317635b59ba9ed1ee1146f6da31abf7eb099c75 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3700072 Auto-Submit: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
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Anton Bikineev authored
The CL aims to improve write-barrier filtering and thereby reduce the current regressions. With 8MB AgeTable the card size becomes 512 bytes. The memory overhead of the 8MB AgeTable is 0.2%. Bug: chromium:1029379 Change-Id: I86f51361b9b9f0a1c22a1deef0b0540d1d9808bc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3700079Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Auto-Submit: Anton Bikineev <bikineev@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/main@{#81114}
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Igor Sheludko authored
This should fix unexpected regressions which occur after builtins modifications. This CL affects alignment of embedded builtins on all configurations and Code header size only for non-pointer compression configuration. Bug: v8:11708 Change-Id: I8058197c5b768a699e7f52446424013e86203b57 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3700392 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
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Seth Brenith authored
This is a reland of commit 7787ed20 Updates since original: specified that cctest sources depend on generated files from the inspector. Original change's description: > Build cctest while building V8 > > I noticed in a recent build that C++ files from cctest didn't start > compiling until after several slow non-parallel tasks such as running > mksnapshot and linking v8_for_testing. I don't see any reason that > cctest sources should wait for those tasks, so in this change I propose > adjusting the build dependencies for more parallelism. > > Change-Id: I2472117c8555ac397fa1232954c8b699d6429d38 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3690170 > Reviewed-by: Nico Hartmann <nicohartmann@chromium.org> > Commit-Queue: Seth Brenith <seth.brenith@microsoft.com> > Cr-Commit-Position: refs/heads/main@{#80976} Change-Id: I9f507c3c07bda1638b81de4b1ac82afda1168999 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3699405Reviewed-by:
Nico Hartmann <nicohartmann@chromium.org> Reviewed-by:
Clemens Backes <clemensb@chromium.org> Commit-Queue: Seth Brenith <seth.brenith@microsoft.com> Reviewed-by:
Simon Zünd <szuend@chromium.org> Cr-Commit-Position: refs/heads/main@{#81112}
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Clemens Backes authored
This is a reland of commit c2f25454. We revert to using x17 for the call target, to be compliant with CFI. Some comments are extended to point to that requirement. Original change's description: > Avoid use of x18 register on arm64 > > This causes crashes on Windows, as x18 is the "platform register", > holding a pointer to thread-local storage. > > R=jkummerow@chromium.org > CC=seth.brenith@microsoft.com > > Bug: v8:12959 > Change-Id: I20b8bee145d4ab3a40d8d140d98572df8300251c > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695569 > Reviewed-by: Seth Brenith <seth.brenith@microsoft.com> > Commit-Queue: Clemens Backes <clemensb@chromium.org> > Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> > Cr-Commit-Position: refs/heads/main@{#81090} Bug: v8:12959 Change-Id: If4ead8f7a7aece756cef7d32bb98d7d33dfe4911 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702331Reviewed-by:
Seth Brenith <seth.brenith@microsoft.com> Commit-Queue: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/main@{#81111}
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Pan, Tao authored
This is a reland of commit c8c17619 This CL includes: - crrev.com/c/3679846 Add condition use_ic to the removing the optimized OSR code logic - crrev.com/c/3686589 Add out of bytecode array to break condition of removing OSR code cache logic - Add JumpLoop nesting level 0 to break condition of removing OSR code cache logic - Change to use Deoptimizer::DeoptimizeFunction() to deoptimize OSR code Original change's description: > [compiler] Remove the optimized OSR code if deoptimizing at inside of loop > > If the optimized code is deoptimized and the deoptimized exit offset is > inside of the optimized OSR code related loop, the optimized OSR code is > also out of date, remove the optimized OSR code, it will avoid hit the > optimized OSR code and soon later deoptimization of the optimized OSR > code. > This CL will reduce deoptimization. E.g. Deoptimization of JetStream2 > case navier-stokes function addFields is reduced from twice to once. > > Change-Id: I5bbf3039e916c3736b5b967d1f36b6ea90cfd40b > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3648219 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Commit-Queue: Tao Pan <tao.pan@intel.com> > Cr-Commit-Position: refs/heads/main@{#80826} Bug: chromium:1330444 Change-Id: I97a466ddfa764438b45f33c6ae33cb921d57278d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3690451Reviewed-by:
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Leszek Swirski authored
A few more fixes for visiting bytecodes that are known to be dead: * Change JumpLoop dead frame merging to remove the loop predecessor, by moving the loop predecessor to be the last in the list and allowing it to be dropped the same way as other predecessors. * Remove the bytecode walk in EmitUnconditionalDeopt, opting instead to check for null current_block in the real bytecode visitor. This allows us to handle the case where the start of a basic block is dead, but there's no fallthrough into it, so it wouldn't be visited by the loop in EmitUnconditionalDeopt. Bug: v8:7700 Change-Id: I7cf1a54c49a2affc0363c1a0919bb3d427f83f5c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3700070 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by: -
Anton Bikineev authored
The race occurs when the write to instance_ happens after the static thread-local initialization. The change simply moves the write into CagedHeap's ctor. Bug: chromium:1325007 No-Try: true Change-Id: I55b6e286f311c9ddb4f3f89d12f7f9437b96cc58 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702334 Auto-Submit: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
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Igor Sheludko authored
... setting too low --max-old-space-size value. Fixes: v8:12725 Change-Id: I5b1b533992d6b1024e81263525ed90914582e27a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695594 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Auto-Submit: Igor Sheludko <ishell@chromium.org> Reviewed-by:
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Anton Bikineev authored
We don't need to reset the entire age table, but merely the pages that are known to contain young objects. This must improve memory use with generational GC enabled. The CL is a prerequisite for another CL that'll increase the size of the age-table. Bug: chromium:1029379 Change-Id: Ibb5b607af20380c3936b7396b3d9767f6f17c44b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695268 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
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Anton Bikineev authored
Currently, young generation assumes that all the on-heap pointers are compressed, which is currently not the case due to the backing-store pointers in Blink. Fixing collections to have Member<> is not easy, because the inlined collections may have the semantics that backing_pointer_ == inlined_buffer_; where the inlined_buffer_ can be off-heap (e.g. on stack). The CL introduces another type of barrier specifically for uncompressed pointers. The followup is to use that barrier from Blink. Bug: chromium:1029379 Change-Id: If0f519220658268dbdf915235c2e5afd7887dc0c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695358Reviewed-by:
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jameslahm authored
... factory-unittest. Bug: v8:12781 Change-Id: I862ab02526c21820ef3f12f663a598793bbc6bbd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3699499Reviewed-by:
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jameslahm authored
... hashcode-unittest. Bug: v8:12781 Change-Id: I118ec1f2963abfaf6fbf738b97a984c9449d105d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3699498Reviewed-by:
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Clemens Backes authored
Add a new --wasm-max-module-size flag to replace the unused and more specific --experimental-wasm-allow-huge-modules flag. The new flag can be used in fuzzers to reduce the maximum allowed module size, avoiding OOM on some systems (like 32-bit ASan builds). R=ahaas@chromium.org Bug: chromium:1334577 Change-Id: I2830d407c5b01be21a47b21392c1210061c40b20 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695267Reviewed-by:
Andreas Haas <ahaas@chromium.org> Commit-Queue: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/main@{#81102}
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Clemens Backes authored
This is just a minor refactoring: We include the kUnknownSectionCode in the set of valid sections. There are only two uses of that function: The first one already checks for kUnknownSectionCode in a separate condition, the second one can be simplified with this refactoring. R=ahaas@chromium.org Bug: chromium:1335023 Change-Id: Ie1ae316db41f8111fff0af0d97a6c775f527156c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3698556 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by:
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Igor Sheludko authored
Fixed: v8:12889 Change-Id: Ia11cfc0fb1dfd2952b43b732256d8ed3a144d1cb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702333 Auto-Submit: Igor Sheludko <ishell@chromium.org> Commit-Queue: Patrick Thier <pthier@chromium.org> Reviewed-by:
Patrick Thier <pthier@chromium.org> Cr-Commit-Position: refs/heads/main@{#81100}
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Igor Sheludko authored
... which shouldn't try to change permissions of RWX pages. Bug: v8:12797 Change-Id: Ibf3de06f5243c2008a8d9dc41f6231373f844e40 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3700352 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
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Jose Dapena Paz authored
When profiling V8 code generated with snapshot using ETW, there is a huge difference enabling system instrumentation. This is because, for populating the ETW tracing (when --interpreted-frames-native-stack is enabled), we need the scripts line ends. But these are only generated if log functions are enabled. To prevent the problem, this CL also initializes script line ends for the case interpreted frames native stacks are enabled. Bug: v8:12910 Change-Id: I89eab727574a68a8b2fbc2575faf540218370e7d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3669698Reviewed-by:
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Simon Zünd authored
This CL extends the live edit mechanism to allow editing the function that is currently on top of the stack, as long as that call frame is the only activation of that function. The CL changes how we look for functions on the current JS stack: Instead of starting at thread_local_top we start at the frame we are currently paused in. This is possible since there can not be any JavaScript frames above the current "break frame", only C++ frames which are not relevant for live edit. If the edited script modifes the top-most function, the inspector will trigger a restart of that call frame. That is why we check if we can actually restart the function and only allow the live edit to go through if that is the case. Note that this CL also adds a kill switch in the form of a runtime flag for this feature, in case we need to pull the plug and disable this feature again via back-merge. R=jarin@chromium.org Bug: chromium:1334484 Change-Id: I711913df96c8acc786ad4de28de804d2f90e1847 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695353Reviewed-by:
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Igor Sheludko authored
... which might fail because usual operator== for tagged values compares only lower 32 bits of the pointer. Bug: v8:11880, v8:12958 Change-Id: I0978d6c510424aecfee2f044c40ea424b6cb3ab9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695593Reviewed-by:
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