- 08 Aug, 2019 12 commits
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Jakob Kummerow authored
Change-Id: Ic5145b7ba15ae58d15e2cc4511afc2f8c6d42ea0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741654 Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Reviewed-by: Simon Zünd <szuend@chromium.org> Cr-Commit-Position: refs/heads/master@{#63132}
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Dominik Inführ authored
This reverts commit e2f98ec2. Reason for revert: Caused performance regression in ArrayLiteralInitialSpreadSmallHoley. Original change's description: > Use list of invalidated objects for old-to-new refs > > Instead of inserting "deletion" entries into the store buffer, keep > a list of invalidated objects to filter out invalid old-to-new slots. > > The first CL https://crrev.com/c/1704109 got reverted because both the sweeper and the main task were modifying the invalidated slots data structure concurrently. This CL changes this, such that the sweeper only modifies the invalidated slots during the final atomic pause when the main thread is not running. The sweeper does not need to clean this data structure after the pause, since the "update pointers" phase already removed all invalidated slots. > > Bug: v8:9454 > Change-Id: Iffb5bf96de2c89eee1ee1231a3414a0f2a155cbc > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1733081 > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Peter Marshall <petermarshall@chromium.org> > Commit-Queue: Dominik Inführ <dinfuehr@chromium.org> > Cr-Commit-Position: refs/heads/master@{#63087} TBR=ulan@chromium.org,petermarshall@chromium.org,dinfuehr@chromium.org # Not skipping CQ checks because original CL landed > 1 day ago. Bug: v8:9454 Change-Id: I328b9f72df45fc9570d4a4d1b5389eac010638c7 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1743970 Commit-Queue: Dominik Inführ <dinfuehr@chromium.org> Reviewed-by: Dominik Inführ <dinfuehr@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#63131}
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Gus Caplan authored
Cleans up a plethora of JumpIfUndefined().JumpIfNull() occurances by introducing a new JumpIfUndefinedOrNull bytecode. Change-Id: I715e9dd82ca8309e0f3eb6514ddec19b4efe7dbe Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1743148 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#63130}
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Joshua Litt authored
Bug: v8:9603 Change-Id: I7a36c97feedaccf81509aae579f1594a0e7b1019 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1743527Reviewed-by: Mathias Bynens <mathias@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Commit-Queue: Joshua Litt <joshualitt@chromium.org> Cr-Commit-Position: refs/heads/master@{#63129}
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Ross McIlroy authored
If the function has been uncompiled (bytecode flushed) it will have lost any preparsed data. When we recompile the outer function we will regenerate this PreParseData but it wasn't being reattached to the inner function. This CL fixes this by checking for this case in Compiler::GetSharedFunctionInfo and creating a new NewUncompiledDataWithPreparseData to attach to the inner function. BUG=v8:9479 Change-Id: I5c0fc8251006f8f5c7c7f5f9dd17b2ecc671b672 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741655 Auto-Submit: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#63128}
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Peter Marshall authored
The spec says we have to insert some wrapper code with extra line breaks in it, but this confuses users when they see stack traces as the line numbers come from the code with the wrapper, instead of the original. This CL sets line_offset on the script to indicate that line numbers should be offset by the 2 extra line breaks when reading them out e.g. for the purpose of stack traces. Bug: chromium:109362 Change-Id: Ib608e1043c38b595b1466766f7592e993ee3b996 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741660Reviewed-by: Simon Zünd <szuend@chromium.org> Commit-Queue: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#63127}
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Patrick Thier authored
This CL changes the dispatch technique in the regex interpreter to token-threaded dispatch, if computed gotos are supported by the compiler. Otherwise old switch-based dispatch is still used (e.g. for MSVC). With computed gotos, less jumps will be emitted (no extra jump to single branch point/begin of switch) and branch prediction will be better because of no single branch point. This CL improves performance on the RexBench Benchmark suite by ~10%. Bug: v8:9575 Change-Id: I585ad824ff1cc595a5dfa8831ad66d6810d0119b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1733073Reviewed-by: Peter Marshall <petermarshall@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Patrick Thier <pthier@google.com> Cr-Commit-Position: refs/heads/master@{#63126}
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Sathya Gunasekaran authored
Change-Id: I3768f2ca772d1ba60a5436a971c3f1966e8ab8f8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741649Reviewed-by: Mythri Alle <mythria@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#63125}
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Mythri A authored
With lazy feedback allocation, we don't have feedback vectors when function starts executing. If we mark the function on the first execution we would be missing feedback for the initial part of the function and hence the optimized code will not be useful. This cl resets the optimization markers on OSR if the invocation count of the function is less than 1. We may still do wasted optimizations if the function is hot enough for optimizing but not for OSRing. In the long term we may want to fix it differently. This fix covers the most common cases in benchmarks. Bug: chromium:987523 Change-Id: I1cfe82e6b9f95278b77c99b77d4b981828b5c0ab Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1739373 Commit-Queue: Mythri Alle <mythria@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#63124}
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Tamer Tas authored
TBR=machenbach@chromium.org No-Try: True Change-Id: Ie0a94f97989a6f5a7e0b68c733035e3dac264215 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1743966Reviewed-by: Tamer Tas <tmrts@chromium.org> Auto-Submit: Tamer Tas <tmrts@chromium.org> Commit-Queue: Tamer Tas <tmrts@chromium.org> Cr-Commit-Position: refs/heads/master@{#63123}
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Simon Zünd authored
This CL adds an access check for the arguments to all calls to {console} like {console.log}. This is needed since the DevTools protocol notificiation event does not contain the context in which the {console.log} call occurred. Only the context of the argument. When DevTools then reads properties for the preview of the argument, it uses arguments context, instead of the calling context, potentially leaking objects/exceptions into the calling context. Bug: chromium:987502, chromium:986393 Change-Id: I6f7682f7bee94a28ac61994bad259bd003511c39 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741664 Commit-Queue: Simon Zünd <szuend@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#63122}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/8400a89..c991845 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/1b12368..a01c121 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/aa2db56..a110bf6 Rolling v8/third_party/googletest/src: https://chromium.googlesource.com/external/github.com/google/googletest/+log/a45c24a..90a443f TBR=machenbach@chromium.org,tmrts@chromium.org Change-Id: I12467c5b037ee1b6c757bc2f321d2af301928e1c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1742747Reviewed-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@{#63121}
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- 07 Aug, 2019 15 commits
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Gus Caplan authored
Each LHS expression that contains an optional chain of some form is wrapped in an OptionalChain node. This root node allows us to use a single jump location for every individual item in the chain, improving the performance and simplifying the implementation. Bug: v8:9553 Change-Id: I678563928b2dbfd6200bff55801919d4fd816962 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1723359 Commit-Queue: Adam Klein <adamk@chromium.org> Reviewed-by: Adam Klein <adamk@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#63120}
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Santiago Aboy Solanes authored
In instruction selector we were tagging as Compressed or Tagged Any when we could have been more specific. Also, we were marking as Word32 or Word64 when we should have been using CompressedSigned or TaggedSigned, respectively. Drive-by cleanup: Rename MarkAsReference to MarkAsTagged. Bug: v8:7703 Change-Id: I4df7a17e25cfa51a1e11eac0af40be21efb50990 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1739367Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#63119}
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Eric Seckler authored
The previous ordering caused a SCOPED event to end after its parent event, which isn't really supported in the trace format. Change-Id: I2ddaa12596604499366854231506c889d910f951 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741926Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Eric Seckler <eseckler@chromium.org> Auto-Submit: Eric Seckler <eseckler@chromium.org> Cr-Commit-Position: refs/heads/master@{#63118}
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Michael Achenbach authored
TBR=santa Change-Id: I05cdd74eea6f2b02158d6d9854f35a08b455edd4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741656Reviewed-by: Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#63117}
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Ross McIlroy authored
Previous differences in eager and lazy parsing meant that it was possible that feedback vectors could be different for the same function depending on how it was compiled. These issues have now been fixed, so remove the workaround and add an explicit CHECK that the feedback vectors are the same. BUG=chromium:984344,v8:9511 Change-Id: I0edfa350b1a2f236db1ee2f86bc46690da926af1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741650 Auto-Submit: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#63116}
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Tobias Tebbi authored
This reverts commit 79b00555. Reason for revert: needs more discussion Original change's description: > [torque] introduce JSAny type for user-accessible JavaScript values > > This CL introduces a JSAny type for user-exposed JavaScript values and > a few new types to define it. Especially, it splits Symbol into > PrivateSymbol (not exposed) and PublicSymbol (JavaScript exposed > symbols). > > The change is mostly mechanical, but a few things are interesting: > - PropertyKey and JSPrimitive were designed to coincide with the spec > notions of IsPropertyKey() and primitive value, respectively. > - Since Name is an open type, we define AnyName to be the known > subtypes of Name. This is not too elegant, but by using AnyName > instead of Name, typeswitch can properly conclude something if a > subtype of Name is excluded. > > Small drive-by changes, which were necessary: > - Allow subtyping on label parameters. > - Fix the formatting of typeswitch, it was broken with union types > in case types. > > Bug: v8:7793 > Change-Id: I14b10507f8cf316ad85e048fe8d53d1df5e0bb13 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1735322 > Commit-Queue: Tobias Tebbi <tebbi@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Cr-Commit-Position: refs/heads/master@{#63114} TBR=neis@chromium.org,jgruber@chromium.org,tebbi@chromium.org Change-Id: Ifde7881d74afe407628f40047997339d54cb2424 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:7793 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741652Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#63115}
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Tobias Tebbi authored
This CL introduces a JSAny type for user-exposed JavaScript values and a few new types to define it. Especially, it splits Symbol into PrivateSymbol (not exposed) and PublicSymbol (JavaScript exposed symbols). The change is mostly mechanical, but a few things are interesting: - PropertyKey and JSPrimitive were designed to coincide with the spec notions of IsPropertyKey() and primitive value, respectively. - Since Name is an open type, we define AnyName to be the known subtypes of Name. This is not too elegant, but by using AnyName instead of Name, typeswitch can properly conclude something if a subtype of Name is excluded. Small drive-by changes, which were necessary: - Allow subtyping on label parameters. - Fix the formatting of typeswitch, it was broken with union types in case types. Bug: v8:7793 Change-Id: I14b10507f8cf316ad85e048fe8d53d1df5e0bb13 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1735322 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#63114}
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Joyee Cheung authored
This patch stores the home objects in private methods that access super properties. Bug: v8:8330 Change-Id: I2507fda0bd70183f02d162ec50a5be76c248f0ff Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1724900Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Commit-Queue: Joyee Cheung <joyee@igalia.com> Cr-Commit-Position: refs/heads/master@{#63113}
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Joyee Cheung authored
Currently, the private name symbols are displayed in the block scopes in DevTools, though these are just implementation details of private fields. This patch hides them from the block scope by marking variables with names starting with `#` as synthetic. The private fields are still going to show up in the previews of objects, only the key symbols themselves are going to be hidden. Bug: v8:8773, chromium:982267 Change-Id: I059472d05c26a1f035ab92718a1b7e5ecafa8dc4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741846Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Commit-Queue: Joyee Cheung <joyee@igalia.com> Cr-Commit-Position: refs/heads/master@{#63112}
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Simon Zünd authored
This CL changes {descriptionForError} to not immediately return when a {stack} is not found, but instead try to lookup and append the {message} as well. The existing logic to build a description in a specific way when the class of the exception does not match, is retained for backwards compatibility. Bug: chromium:954017 Change-Id: I9fa1d2807e2877bd988f82b4b57cf329bcd9f61b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1738862 Commit-Queue: Simon Zünd <szuend@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#63111}
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Thibaud Michaud authored
Calling a multi-return WASM function from JS creates an array filled with the returned values. See: https://github.com/WebAssembly/multi-value R=ahaas@chromium.org Bug: v8:9492 Change-Id: I3151212b6784782c8f89908befab9d26b32e5a8b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1739372 Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#63110}
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Mythri A authored
We didn't track transitions from non-smi elements kind in builtins but we did track them in the runtime. We should track these transitions in builtins as well. Not tracking them uniformly causes deopts in unexpected places which are hard to reason about. Bug: chromium:987522 Change-Id: I09403c7365d4d2474bca3ab601887abec19aef27 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1736748Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#63109}
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Jakob Kummerow authored
Also roll 0705a10: Comments Change-Id: I9802283fa68093839286779503b6073122cbc8d7 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1739369Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#63108}
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Michael Achenbach authored
Change-Id: I035d276004b21f167ede2ecd9bc59759f135bbd9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741647Reviewed-by: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#63107}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/38ae7d2..8400a89 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/698405a..1b12368 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/36756e4..aa2db56 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/cd2137f..3605577 TBR=machenbach@chromium.org,tmrts@chromium.org Change-Id: I08bb4364173d6a8765d07a7b6e9665f188306c9e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1740967Reviewed-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@{#63106}
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- 06 Aug, 2019 13 commits
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Deepti Gandluri authored
Change-Id: I0607978da6c346c5f8807b0c9a33e0245cd503e5 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1738470Reviewed-by: Zhi An Ng <zhin@chromium.org> Commit-Queue: Deepti Gandluri <gdeepti@chromium.org> Cr-Commit-Position: refs/heads/master@{#63105}
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Maggie Chen authored
The current V8HugeMaxOldGenerationSize feature increases the JS heap size for systems with larger than 16 GB physical memory. This cl adds support for 16 GB configuration. Because a small portion of memory is reserved by hardware, the physical memory calculation here is rounded up to GB so the actual installed memory is checked. Bug:chromium:958974 Change-Id: Idaf2e03a43ba6c3c40bb771296d06b87032c2725 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1734038 Commit-Queue: Maggie Chen <magchen@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#63104}
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Jakob Gruber authored
The HandleScope lets objects allocated within the slow loop be collected prior to loop termination. Drive-by: Use the appropriate kMaxElementCount constant. Drive-by: Switch to less-or-equal comparison against it. Bug: chromium:948810 Change-Id: I2449408b87e7e82dead5ee76d8c92129fa3243fc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1736749 Auto-Submit: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#63103}
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Sami Kyostila authored
Use Perfetto's Start/StopBlocking() helpers instead of bespoke synchronization with semaphores. Cq-Include-Trybots: luci.v8.try:v8_linux64_perfetto_dbg_ng Bug: v8:8339 Change-Id: If8266d5fa5e3ff6403b9b2e539ec985bc67fcc90 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1728623 Commit-Queue: Sami Kyöstilä <skyostil@chromium.org> Commit-Queue: Peter Marshall <petermarshall@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org> Auto-Submit: Sami Kyöstilä <skyostil@chromium.org> Cr-Commit-Position: refs/heads/master@{#63102}
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Peter Marshall authored
Ongoing cleanup to use the same term everywhere. Bug: chromium:913887 Change-Id: Ifc4d4de0c2dfd9f1150e61d64cf7f91cf923aa24 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1738865Reviewed-by: Simon Zünd <szuend@chromium.org> Commit-Queue: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#63101}
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Michael Achenbach authored
This reverts commit 11524453. Reason for revert: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20TSAN/27728 Original change's description: > [wasm] Test concurrent code emission > > This extends the jump table stress test. Currently, we generate > different thunks (on the main thread) and then concurrently update the > jump table to jump to one of these thunks. > With this CL, we also generate the thunks concurrently. So this also > tests whether there is proper synchronization between code generation > and executing it in another thread. > > R=ahaas@chromium.org, mstarzinger@chromium.org > > Bug: v8:9477 > Change-Id: I3598329e37482ebd27a13acc752581c714226184 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1735319 > Reviewed-by: Andreas Haas <ahaas@chromium.org> > Commit-Queue: Clemens Hammacher <clemensh@chromium.org> > Cr-Commit-Position: refs/heads/master@{#63097} TBR=mstarzinger@chromium.org,ahaas@chromium.org,clemensh@chromium.org Change-Id: I1c95cb43aa23340913de9cfad9988d0c583cc266 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:9477 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1739368Reviewed-by: Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#63100}
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Joshua Litt authored
This cl makes IsLockFree return true for 8 bytes on x64 platforms. The standard is unfortunately a bit vague on what exactly 'lock free' means. As a result, we err on the side of caution. We can revisit this, but first we need the specification to nail down exactly what 'lock free' in this context. Bug: v8:8100 Change-Id: I0a6099c6cb95a5581f3e71d0267857b88b4a2f0a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1735592 Commit-Queue: Joshua Litt <joshualitt@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#63099}
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Tobias Tebbi authored
Bug: v8:7793 Change-Id: I5f5461e4e3d31c6d3c2c1fba4ce48a4eb5db5d8e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1725625 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#63098}
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Clemens Hammacher authored
This extends the jump table stress test. Currently, we generate different thunks (on the main thread) and then concurrently update the jump table to jump to one of these thunks. With this CL, we also generate the thunks concurrently. So this also tests whether there is proper synchronization between code generation and executing it in another thread. R=ahaas@chromium.org, mstarzinger@chromium.org Bug: v8:9477 Change-Id: I3598329e37482ebd27a13acc752581c714226184 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1735319Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#63097}
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Santiago Aboy Solanes authored
There were some accesses that could be specialized to Pointer instead of Any. Also updated the WriteBarrierKind to match. Any -> full barrier, Pointer -> Pointer barrier, Signed -> no barrier. There were some accesses that were not used, and therefore got deleted. Bug: v8:9396 Change-Id: Ie249e6571080fa6e24d9022344775de679966144 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1733070Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#63096}
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Andreas Haas authored
This CL removes the SEPERATOR from the FOREACH_WASM_FEATURE_FLAG macro, which was ugly, and fortunately also unnecessary. R=jkummerow@chromium.org Bug: v8:9396 Change-Id: I455589331f84a011a231d6897d03e8ab0b492b45 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1738847Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#63095}
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Michael Achenbach authored
NOTRY=true Bug: v8:7783 Change-Id: I90226a16744388149993380399f1c6ee577b7c11 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1738861Reviewed-by: Tamer Tas <tmrts@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#63094}
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Michael Achenbach authored
NOTRY=true TBR=tmrts@chromium.org Change-Id: Id7148a5579d99928116a416bbd149d9ed7135fc8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1738858Reviewed-by: Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#63093}
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