- 07 Jul, 2021 30 commits
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Michael Lippautz authored
- Allows for differentiating committed and physical (resident) size on a page. This change merely adjusts the API surface and does not implement resident set size tracking. - Add object types on page level as well which helps diagnosing almost empty pages. Bug: chromium:1056170 Change-Id: I64c69dc55873a0ce97d2064356bfcd957e10cbf9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3011164 Auto-Submit: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#75621}
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Ng Zhi An authored
This makes jco on gdb behave the same as jco on lldb. Bug: v8:11879 Change-Id: Id6a338878d518984986d2b719588966ee09de3c6 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3000956Reviewed-by:
Clemens Backes <clemensb@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#75620}
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Clemens Backes authored
We had some (dead) logic to create different parameter values pending on the position of the parameter. As it was not used any more, it got removed in https://crrev.com/c/3003464. This CL changes the existing logic for creating default parameter values to use a similar logic, which matches what --wasm-fuzzer-gen-test creates and has a slightly higher chance of triggering interesting behaviour. R=ahaas@chromium.org Change-Id: Ibb4394c1978f25d70166a03002e084211bfe7e1e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3003465 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by:
Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#75619}
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Milad Fa authored
A few fixes are applied in this CL: 1- Instructions which use UIM in V8 only use bits 16 to 19 inclusive. 2- get_simd_register is set to return a reference and not a copy. 3- On vector extract and insert instructions, UIM could be used to select specific bytes as starting point which may not reflect a lane. Vector splat uses UIM as a lane selector which remains unchanged in this CL. Change-Id: Ieb43afb977dac11d3ea10a2f265c2823f64457e3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3011166Reviewed-by:
Junliang Yan <junyan@redhat.com> Commit-Queue: Milad Fa <mfarazma@redhat.com> Cr-Commit-Position: refs/heads/master@{#75618}
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Junliang Yan authored
Change-Id: I2a131a783b99a0bfd6550d0032a594f2eb402421 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009227Reviewed-by:
Milad Fa <mfarazma@redhat.com> Commit-Queue: Junliang Yan <junyan@redhat.com> Cr-Commit-Position: refs/heads/master@{#75617}
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Shu-yu Guo authored
This is a reland of 1532f8ff Changes since revert: - Fix race in initialization Original change's description: > [heap] Tie process-wide CodeRange lifetime to any remaining Heaps > > Currently the process-wide CodeRange, once created, lives until process > shutdown. This CL changes it to be alive as long as there is a Heap, > when the last Heap is gone it gets destroyed and will be recreated the > next time a Heap is created. This behavior is shared with > SingleCopyReadOnlyArtifacts. > > Bug: v8:11929 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2989103 > Reviewed-by: Dominik Inführ <dinfuehr@chromium.org> > Commit-Queue: Shu-yu Guo <syg@chromium.org> > Cr-Commit-Position: refs/heads/master@{#75522} Bug: v8:11929 Change-Id: If250d8901044bcba1f7d7f797b398c29cc2c5a61 Cq-Include-Trybots: luci.v8.try:v8_linux64_tsan_rel_ng Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3003910 Commit-Queue: Shu-yu Guo <syg@chromium.org> Reviewed-by:
Dominik Inführ <dinfuehr@chromium.org> Cr-Commit-Position: refs/heads/master@{#75616}
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Mike Stanton authored
The bugfix yesterday missed a case (CL https://chromium.googlesource.com/v8/v8/+/758816f4388704d82442769163b371c1b64aac86). A better approach is to compute the ideal representation of the value, then check if it can be in-place changed to the recorded representation. Bug: chromium:1226988, v8:7790 Change-Id: I90e58b8efb83892c033693a1a0f946b3059a330c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3011162 Commit-Queue: Michael Stanton <mvstanton@chromium.org> Reviewed-by:
Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#75615}
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Manos Koukoutos authored
Changes: - Add reference types and simd to GetValueType(). - Generalize BlockScope to handle reference types. Add EmitValueType() to WasmFunctionBuilder. - Constrain local_op and global_op to non-simd numeric types. - Add GenerateOneOf() for functions that need a heap type. Add GenerateOptRef(). Add ref_null, get_local_opt_ref as options for GenerateOptRef(). - Remove the numeric conversion logic from ConsumeAndGenerate. Bug: v8:11954 Change-Id: Idebae4a537326bdc03ac2f5e9c69a519f196938c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009456 Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Reviewed-by:
Thibaud Michaud <thibaudm@chromium.org> Cr-Commit-Position: refs/heads/master@{#75614}
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Jakob Kummerow authored
Behind a new --experimental-wasm-nn-locals flag. The checking policy implemented here is that locals count as initialized until the end of the current control structure, as described here: https://github.com/WebAssembly/function-references/issues/44#issuecomment-801977331 Bug: v8:7748 Change-Id: I954fdf1b4e02ed4b45ef61b8379b7c0bbe802400 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3010283Reviewed-by:
Manos Koukoutos <manoskouk@chromium.org> Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#75613}
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Peter Kasting authored
Bug: chromium:989932 Change-Id: I357a19a9da934f07181122bbf50614ccddce3a4b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009926 Auto-Submit: Peter Kasting <pkasting@chromium.org> Commit-Queue: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
Victor Gomes <victorgomes@chromium.org> Cr-Commit-Position: refs/heads/master@{#75612}
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Junliang Yan authored
Change-Id: I7afc5bede8684f469670c84da0f94d251369e6fb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3011165Reviewed-by:
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Georg Neis authored
... by recording dependencies not based on whether the caller remembered to pass non-null CompilationDependencies* but on whether the method is called in serialization mode or not. Bug: v8:7790 Change-Id: I841fe8fab57e94fff03dc3ce8dc8a02c49677560 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009223 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
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Georg Neis authored
We can't create Refs inside a DisallowGarbageCollection scope since the MapData constructor uses a parking mutex (which may park the local heap and let GC run). Bug: v8:11957, v8:7790 Change-Id: I300b76a15f0f63514ca049f78099e1e6125a6569 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3010281Reviewed-by:
Michael Stanton <mvstanton@chromium.org> Commit-Queue: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#75609}
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Georg Neis authored
Bug: v8:3221 Change-Id: I8955057b87ba7bb3a288e5454bb405faa67df6ed Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3010282Reviewed-by:
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Junliang Yan authored
Change-Id: I6833e9815d2655064967f249c607c5d2b8fe2c01 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3010681Reviewed-by:
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Dominik Inführ authored
This CL implements GC in a shared heap. A shared GC is started from an attached client isolate that fails to allocate a shared object. In order to perform a shared GC all other running client isolates need to be stopped and their roots need to be scanned. Bug: v8:11708 Change-Id: I45ac50e6b4a1e9270f9e39b69f9b8ee5e6e14134 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2964816Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Mythri Alle <mythria@chromium.org> Commit-Queue: Dominik Inführ <dinfuehr@chromium.org> Cr-Commit-Position: refs/heads/master@{#75606}
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Victor Gomes authored
This is still incomplete, but already able to pass all tests on x64. Sparkplug (on pointer compression) only generates two relocation types: FULL_EMBEDDED_OBJECT and RUNTIME_ENTRY. Bug: v8:11872 Change-Id: I6aefbbc9690511a06b2a4a942c48fef85d536bef Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009221 Commit-Queue: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#75605}
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Patrick Thier authored
This is a reland of 8b18c5e6 Original change's description: > Reland "Improve error messages for property access on null/undefined" > > This is a reland of 24c626c1 > > Original change's description: > > Improve error messages for property access on null/undefined > > > > Only print the property name when accessing null/undefined if we can > > convert it to a string without causing side effects. > > If we can't, omit the property name in the error message. > > This should avoid confusion when the key is an object with toString(). > > E.g. undefined[{toString:()=>'a'}] doesn't print 'read property [object > > Object]' anymore, which was misleading since the property accessed would > > be 'a', but we can't evaluate the key without side effects. > > > > Bug: v8:11365 > > Change-Id: If82d1adb42561d4851e2bd2ca297a1c71738aee8 > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2960211 > > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > > Commit-Queue: Patrick Thier <pthier@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#75250} > > Bug: v8:11365 > Change-Id: Ie2312337f4f1915faa31528a728d90833d80dbd1 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979599 > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Patrick Thier <pthier@chromium.org> > Cr-Commit-Position: refs/heads/master@{#75571} Bug: v8:11365 Change-Id: I90360641ecd870bd93247aa6d91dfb0ad049cfb8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3008219 Auto-Submit: Patrick Thier <pthier@chromium.org> Commit-Queue: Toon Verwaest <verwaest@chromium.org> Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Cr-Commit-Position: refs/heads/master@{#75604}
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Junliang Yan authored
Change-Id: Iaab1eba1590a4489004880b039e2e8900aab94b4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3011163Reviewed-by:
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Clemens Backes authored
We did not handle conflicts between regular register moves and the cached instance / cached memory start correctly. This could lead to us overwriting a regular register when restoring the cached instance, which results in either crashes or miscalculations afterwards. R=ahaas@chromium.org Bug: chromium:1217064 Change-Id: Icd4b08b97a47726108a50d51b3a7ba410d132f98 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3003158Reviewed-by:
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Clemens Backes authored
The {TestingModuleBuilder} had separate logic to compute the bounds checking strategy. This can lead to compiled code that does not match the bounds checking strategy stored in the NativeModule. Hence, tests should use {NativeModule::bounds_checks_} for initializing their compilation environment. R=ahaas@chromium.org Change-Id: I366c2ea5d06062273fa21e388871fc1adab54fef Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009222Reviewed-by: -
Camillo Bruni authored
Bug: chromium:1011762, chromium:1061857 Change-Id: I2b2661023215b7b2d05067e6f9fb894ad6274acd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2617084 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by:
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Dan Elphick authored
To avoid external-reference.cc having to depend on code-assembler.h, this moves ObjectType and CheckObjectType into a separate objects/object-type.h/.cc. Bug: v8:11879 Change-Id: Ia086b37f72c330eefef2ce4d35cdf31d2a0ebe62 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009220 Commit-Queue: Dan Elphick <delphick@chromium.org> Reviewed-by:
Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#75599}
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Jakob Kummerow authored
A generalization of Karatsuba's idea for even larger inputs. Bug: v8:11515 Change-Id: I50eac2d313bf4217bf2f55ca2e64b5f120f40206 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2999870 Auto-Submit: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Reviewed-by:
Michael Achenbach <machenbach@chromium.org> Reviewed-by:
Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#75598}
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Manos Koukoutos authored
This should mitigate some of the regressions introduced in https://chromium-review.googlesource.com/c/v8/v8/+/2972910. Changes: - Use a single Zone for all init. expressions in InstanceBuilder. - Specialize DecodeFunctionBody() for init. expressions. Bug: v8:11895, chromium:1226551 Change-Id: Ie39f981efeaa89e57f8ccb68903c6e7cc1cb7f09 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009465 Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Reviewed-by:
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Victor Gomes authored
These scripts are not used nor maintained anymore by V8. We use https://chromium.googlesource.com/v8/node-ci/. Node.js is now taking ownership of these scripts: https://github.com/nodejs/node/pull/39222 Change-Id: I5600f3725d1ff9f78733952e5905faef0195a188 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3000966 Auto-Submit: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
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Jesper van den Ende authored
This allows for marking promises as silent. Setting this flag prevents the debugger from pausing when the promise rejects. Bug: chromium:1132506 Change-Id: I260e52faa45ebedd9e8d84e092bd0260e828a902 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3001354Reviewed-by:
Yang Guo <yangguo@chromium.org> Reviewed-by:
Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#75595}
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Emanuel Ziegler authored
We only care about huge functions (>100kB) as they can cause extended compilation times and OOM situations. These are difficult to see in the existing histogram as they only account for a tiny fraction of functions. We therefore introduce a new counter that only covers those functions and remove the other histogram. Bug: chromium:1222273 Change-Id: I72fcec3fda5a358de6e29eb78d1fcf40059fb6c8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3008646Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/ced9667..8969ad2 Rolling v8/buildtools/third_party/libc++abi/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi/+log/ae0481e..d87a06d Rolling v8/buildtools/third_party/libunwind/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libunwind/+log/5f424e3..e7ac0f8 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/de5768d..096f6b4 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/081034a..ccc7ba2 Rolling v8/tools/luci-go: git_revision:a5505c14c78e1a27562164fb55f7d2d8190a0a9b..git_revision:3501536c6f762461d322d6694711bb384ffce6f2 Rolling v8/tools/luci-go: git_revision:a5505c14c78e1a27562164fb55f7d2d8190a0a9b..git_revision:3501536c6f762461d322d6694711bb384ffce6f2 Rolling v8/tools/luci-go: git_revision:a5505c14c78e1a27562164fb55f7d2d8190a0a9b..git_revision:3501536c6f762461d322d6694711bb384ffce6f2 TBR=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com Change-Id: Iac99d089064a592e9de2f3e6d21a4fb9a1be862f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009800Reviewed-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@{#75593}
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Liu Yu authored
Bug: v8:11420 Change-Id: Ic2744f59b697d4b229ea5cd3055a396c616fc14b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3007181Reviewed-by:
Zhao Jiazhong <zhaojiazhong-hf@loongson.cn> Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn> Auto-Submit: Liu yu <liuyu@loongson.cn> Cr-Commit-Position: refs/heads/master@{#75592}
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- 06 Jul, 2021 10 commits
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Milad Fa authored
This adds a check similar to Word32ReverseBytes. Change-Id: I3a75f29ae1b9cb75dd0fda471d6d42ca21915bf9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009795Reviewed-by:
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Z Nguyen-Huu authored
With this change, we use Float64Pow for both Smi and Float inputs, also introduce new speculative operator. For this PoC ========================================================== let result = [NaN]; // Avoid HeapNumber-boxing the results. function slow(){ for(let i = 0; i < 100000000; i++) { result[0] = i ** 2; } } start = Date.now(); slow(); console.log(Date.now() - start); ========================================================== Before: 1313 After: 112 Bug: v8:11731 Change-Id: I07a1bde068bef8184b9f556be9d1fe2d6a288705 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2960064 Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com> Reviewed-by:Jakob Kummerow <jkummerow@chromium.org> Reviewed-by:
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Camillo Bruni authored
Change-Id: Ia3170ef243a988c05f5892893b80b5b0a4f43b0a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3008895 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Auto-Submit: Camillo Bruni <cbruni@chromium.org> Reviewed-by:
Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#75589}
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Toon Verwaest authored
The preparser doesn't support extension parsing so always return false there, and move the field to the parser instead. Change-Id: Ie9ad0bd710858120467eb709ec92e59b38eaffba Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009214Reviewed-by:
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Mike Stanton authored
In GetOwnFastDataPropertyFromHeap, we read a property value then compare it with the expected representation. We already had code to bail out of that particular optimization if there was a mismatch, however it missed the case of expected representation being a HeapObject, and when a Smi value was found. The fix is to use the excellent pre-existing method Object::FitsRepresentation() to make this check. Thusly, all cases are handled. Bug: chromium:1225607, v8:7790 Change-Id: I7d9b1b7722d9691cf5427f8456a6deb466dda0d3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3008218 Commit-Queue: Michael Stanton <mvstanton@chromium.org> Reviewed-by:
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Mike Stanton authored
TurboFan reads the value in HeapNumber, and TSAN detects a data race between this read and sets on the main thread elsewhere. We mark this as relaxed atomic (meaning, correct value of the read is not guaranteed). The compiler uses the dependency mechanism to re-read the value safely on the main thread later, and aborts compilation if a change is detected. Bug: chromium:1224277, v8:7790 Change-Id: I8931d8989812550c0c57b6bd27aa796f6f5e779d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2996201Reviewed-by:
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Santiago Aboy Solanes authored
In the schedule phase (and only in this phase!) the node 0 was not being selected due to `!0` being true. We meant to be checking against undefined rather than this. Bug: v8:7327 Notry: true Change-Id: Ie675979219868725b0e345065cec7a2a7091fda8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3008215Reviewed-by:
Nico Hartmann <nicohartmann@chromium.org> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#75585}
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Junliang Yan authored
Change-Id: I1b1d8d0485f037ba5c105741039e62db87fd2b6a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3008642Reviewed-by:
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Camillo Bruni authored
Add and use two new RCS scopes: - RuntimeCallCounterId::kDebugger - RuntimeCallCounterId::kDebuggerCallback Change-Id: Ifd326424248948d0d5c1e0e29cacaecc92046e88 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3006415Reviewed-by:
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Dominik Inführ authored
This CL adds support for updating code objects. So far code objects were immutable. Sparkplug makes compilation a very frequent operation and thus wants to avoid copying the instruction stream from the AssemblerBuffer into the code object (with more overhead that entails). The idea is to allocate an "empty" Code object initially, which is likely large enough to hold the full instruction stream. Then Sparkplug will compile the given function and write the instruction stream directly into the code object. After compilation is done Sparkplug trims the Code to the right size and finishes its initialization. We use relocation_info to determine whether a Code object is fully initialized: undefined means that this object is filled by SparkPlug at the moment. If it's a proper ByteArray, this code object is assumed to be initialized. Turbofan still fully initializes the Code object immediately. Before changing the size of the code object, EnsureSweepingCompleted() makes sure that the code object's page is swept already. This prevents that the concurrent sweeper loads the new and smaller object size and stores that memory in the free list. NotifyCodeObjectChanged() signals the GC that the code object is now fully initialized and revisits that object (even if it is black already) to find and record outgoing references in the instruction stream. Design doc: https://docs.google.com/document/d/12LHGkRXY1H3IFMBrdxs2vhgtG9bfJTdquQUsX1oPoSE/edit?usp=sharing Bug: v8:11872 Change-Id: Ie1b95b27842eea5ec7e9d345052585a27d6ea7f3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2999087 Commit-Queue: Dominik Inführ <dinfuehr@chromium.org> Reviewed-by:
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