- 29 Jul, 2020 6 commits
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Victor Gomes authored
Change-Id: I41be2c5b0867739dbbe3667144bf6b479c609e53 Bug: chromium:1107221 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2322628 Commit-Queue: Victor Gomes <victorgomes@chromium.org> Auto-Submit: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#69122}
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Dominik Inführ authored
Zap freed local and persistent handles similar to main thread handles. As a drive-by change, fix the creation of local handles without LocalHandleScope. Bug: v8:10315 Change-Id: Ia71bc5419c62ae073928751f57fc221ea11de254 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2323362 Commit-Queue: Dominik Inführ <dinfuehr@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#69121}
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Santiago Aboy Solanes authored
Drive-by: * Updated nullptr to using base::Optional. * Remove ParameterMode use in CloneFixedArray. Bug: v8:9708, v8:6949 Change-Id: I0a98ded0a5d25df078cccbba1385d177652d1cf4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2324242Reviewed-by:
Dan Elphick <delphick@chromium.org> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#69120}
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Santiago Aboy Solanes authored
Remove from: * FillPropertyArrayWithUndefined * CopyPropertyArrayValues Bug: v8:9708, v8:6949 Change-Id: I536df1dbcff9b29746ab561d2fd563e16ef9be76 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2324241Reviewed-by:Mythri Alle <mythria@chromium.org> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#69119}
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Anton Bikineev authored
Bug: v8:10724 Change-Id: I3f8c316818d4ec048143dc731b11808652612925 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2324248Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Anton Bikineev <bikineev@chromium.org> Cr-Commit-Position: refs/heads/master@{#69118}
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Zhao Jiazhong authored
Port 1250fd59 https://crrev.com/c/2307240 Original Commit Message: This generic wrapper builtin is currently used only when the wasm function has no parameters and no return value. Added a new V8 flag to use this generic wrapper. Also added a JS test function for this generic wrapper. Change-Id: I2c515e095730ba3880b639bdd85504e644b64e53 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2325258Reviewed-by:
Clemens Backes <clemensb@chromium.org> Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn> Cr-Commit-Position: refs/heads/master@{#69117}
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- 28 Jul, 2020 31 commits
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Dominik Inführ authored
This will allow inlining of this function. Bug: v8:10315 Change-Id: I6b9db641b00e215cf58b82a9a9a5cf9e676f3f02 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2323354 Commit-Queue: Dominik Inführ <dinfuehr@chromium.org> Reviewed-by:
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Mythri A authored
This cl also 1. Fixes a bug in effect-control-linearizer where we should have converted fixed array length from Smi to integer 2. Also prints deopt location for the new "bailout" deopt type on --trace-deopt. Bug: v8:10582, v8:9684 Change-Id: Iafc5e8abbca5252a8783a5a1184a1667a7f708a4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2297460 Commit-Queue: Mythri Alle <mythria@chromium.org> Reviewed-by:
Georg Neis <neis@chromium.org> Reviewed-by:
Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#69115}
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Dominik Inführ authored
LocalHeap should only be used on the heap it was created on. Bug: v8:10315 Change-Id: Ia06f0169d39b4148b356568795f4e316361a1e9b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2323358Reviewed-by:
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Thibaud Michaud authored
R=clemensb@chromium.org Change-Id: I3cedc8d27c9a597cd2e6013d3be479db513a0a3e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2323356 Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Reviewed-by:
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Mythri A authored
1. Adds a flag to specify if minimorphic accesses should be optimized using dynamic map checks operators. This flag is disabled by default. 2. Builds the PropertyAccessInfo from handlers instead of reading it from maps for minimorphic accesses 3. Uses DynamicMapChecks operator to lower the minimorphic accesses. Bug: v8:10582, v8:9684 Change-Id: I0b7b26b876f9ad12d6fc38788137b66ee6455aeb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2241524Reviewed-by:
Igor Sheludko <ishell@chromium.org> Reviewed-by:
Michael Stanton <mvstanton@chromium.org> Reviewed-by:
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Thibaud Michaud authored
Setup the function table exactly like the module's function table, so that we can share most of the call generation logic. R=clemensb@chromium.org Bug: v8:10751 Change-Id: Ie74150af8cf79d00adcc59d6880d2ed3e7cf78f1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2323353 Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Reviewed-by:
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Paolo Severini authored
Currently WebAssembly always goes through the ArgumentsAdaptorTrampoline builtin for wasm-to-js calls as soon as there's a mismatch between the actual number of arguments and the expected number of arguments. This can be made faster in cases where: 1. the callee has "don't adapt arguments" set, which is often the case for builtins, or 2. the callee has "skip adapt arguments" set, which is often the case for strict mode functions. TurboFan already supports this for JS calls: https://chromium-review.googlesource.com/c/1482735; explainer document: http://bit.ly/v8-faster-calls-with-arguments-mismatch. Even though it is probably not as common to have arity mismatches in Wasm->JS calls as it is in JS->JS calls, this still seems a worthwhile optimization to do. This CL ports the TurboFan fix to WebAssembly. In particular, the CL introduces a new WasmImportCallKind (kJSFunctionArityMismatchSkipAdaptor) for the case where the call to Builtins_ArgumentsAdaptorTrampoline can be skipped, and modifies WasmImportWrapperCache::CacheKey to also consider the arity of the imported JS function. A micro-benchmark for this change can be found here: - https://gist.github.com/paolosevMSFT/72c67591170d6163f67c9b03a7e12525#file-adapter-cc - https://gist.github.com/paolosevMSFT/72c67591170d6163f67c9b03a7e12525#file-adapter_test-js With this benchmark, we can save a 40% overhead of Builtins_ArgumentsAdaptorTrampoline for calls that pass too many arguments, while the savings for calls that pass too few arguments are less impressive: Before After callProperApplication: 563 ms 566 ms callOverApplication1: 972 ms 562 ms callOverApplication2: 962 ms 562 ms callUnderApplication: 949 ms 890 ms Bug: v8:8909 Change-Id: Id51764e7c422d00ecc4a48704323e11bdca9377f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2317061 Commit-Queue: Paolo Severini <paolosev@microsoft.com> Reviewed-by:
Benedikt Meurer <bmeurer@chromium.org> Reviewed-by:
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Santiago Aboy Solanes authored
This gives the GC a location where it can interrupt background compilation. Bug: v8:7790 Change-Id: I8cf40e9c9b69c00fdfd5d59ed87e83137e481fb3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2310366 Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Reviewed-by:
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Ross McIlroy authored
Adds support for populating reference maps to the fast register allocator. In order to calculate whether a stack slot is live at a given instruction, we use the dominator tree to build a bitmap of blocks which are dominated by each block. A variable's spill operand is classed as alive for any blocks that are dominated by the block it was defined in, until the instruction index of the spill operand's last use. As such, it may be classified as live down a branch where the spill operand is never used, however it is safe since the spill slot won't be re-allocated until after it's last-use instruction index in any case. BUG=v8:9684 Change-Id: I772374599ef916f57d82d468f66429e32c712ddf Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2298008 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by:
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Ross McIlroy authored
Adds support for tracking the instruction range of spilled operands, and then allocating spill slots to these ranges. It also adds some unittests covering spill slot allocation. Spill slots are allocated in a linear fashion, running through the instruction stream in a linear order, ensuring that no spill operand is allocated to a same spill slot that is already assigned to during this whole start / end range. This isn’t optimal, since it doesn’t take into account holes in these ranges (e.g, blocks between start and end that aren’t dominated by the start), but in practice rarely leads to more than one extra spill slot being allocated compared to the current allocator. BUG=v8:9684 Change-Id: Iedee7bcf552080e5b4b6a2f4e96b78b6c1396cab Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2297470Reviewed-by:
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Georg Neis authored
Bug: chromium:1109174 Change-Id: I25924afe9ad9c147e7f89299983032c82f74626d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2320668 Auto-Submit: Georg Neis <neis@chromium.org> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by:
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Jakob Kummerow authored
This adds two convenience scripts: - update-vscode.sh downloads/updates Visual Studio Code - update-compile-commands.py prepares for code indexers like clangd by creating compile_commands.json (for all architectures), updating generated sources, and compiling the Torque Language Server. No-try: true Change-Id: I64a15dc298f4312a9b296762593234c40f542b06 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2317355 Auto-Submit: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by:
Victor Gomes <victorgomes@chromium.org> Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#69105}
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Igor Sheludko authored
Also use outer-function name as a ZONE_NAME instead of file:line and give explicit names to parser and preparser zones. Bug: v8:10572 Change-Id: I9b5acb23322889d8538a34bc888fd6f610eb6893 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2322627 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
Camillo Bruni <cbruni@chromium.org> Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#69104}
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Milad Farazmand authored
Port 1250fd59 Original Commit Message: This generic wrapper builtin is currently used only when the wasm function has no parameters and no return value. Added a new V8 flag to use this generic wrapper. Also added a JS test function for this generic wrapper. R=evih@google.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: Ib1f14081779adaf3668c4936ba6afde0a782ce0d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2323310Reviewed-by:
Junliang Yan <jyan@ca.ibm.com> Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#69103}
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Zeynep Cankara authored
This CL creates a timeline track component to make the timeline view extensible as different data sources added. The timeline track component will take data source and display it with respect to time axis of timeline overview. Bug: v8:10644, v8:10735 Change-Id: I1c88dd2dc967be68e6235e517dcf8554a891eee4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2302053 Commit-Queue: Zeynep Cankara <zcankara@google.com> Reviewed-by:
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Dominik Inführ authored
On 32-bit systems the calculation could overflow, leading to an illegal limit of the LAB. Cast to uint64_t to avoid this. Add DCHECKs to catch this earlier. Bug: chromium:1110214, v8:10315 Change-Id: I73679a2daeb3b83bb303d411c77782a2172e98cc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2320654Reviewed-by:
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Milad Farazmand authored
Port 51b53dd3 R=rstz@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: Ic2ee6e75afd5da8bb7f35dfde4b1d85231f1cf4a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2318045Reviewed-by:
Andreas Haas <ahaas@chromium.org> Reviewed-by:
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Santiago Aboy Solanes authored
Since we have an uninitialized TransitionArray that we want to insert an element (map1), we can't guarantee that said element would exist at the point of the search. Then, we search for an element guaranteed not to be (map2) and we check that we did not find it. If we have a data race, this would also trigger it. Bug: v8:7790 Change-Id: Ib90044d7c0901d599aed041f608f2c0bce506d67 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2319995 Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Reviewed-by:
Nico Hartmann <nicohartmann@chromium.org> Cr-Commit-Position: refs/heads/master@{#69099}
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Emanuel Ziegler authored
Add a framework for collecting event-based metrics like UKMs in V8 that is independent of the actual implementation. Design doc: https://docs.google.com/document/d/1vCZQCh4B05isqwJOwTPv7WqcnVp4KJITMgsHSBg35ZI/ R=ulan@chromium.org Bug: chromium:1101749 Change-Id: If3a5b954d1f0bcee4e06a03467b651feae378a5f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2288231 Commit-Queue: Emanuel Ziegler <ecmziegler@chromium.org> Reviewed-by:
Ross McIlroy <rmcilroy@chromium.org> Reviewed-by:
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evih authored
This generic wrapper builtin is currently used only when the wasm function has no parameters and no return value. Added a new V8 flag to use this generic wrapper. Also added a JS test function for this generic wrapper. Bug: v8:10701 Change-Id: Id8cd1771f26922927363b715d8a6ffd384a143ce Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2307240Reviewed-by:
Thibaud Michaud <thibaudm@chromium.org> Reviewed-by:
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Marja Hölttä authored
As a downside, class-level static variables of FutexEmulation now have to be local to the .cc file. Bug: v8:10239 Change-Id: I3d00c65289f346cf2b16fea657f47bff69863b0b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2319989Reviewed-by:
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Thibaud Michaud authored
R=clemensb@chromium.org Bug: chromium:1110190 Change-Id: I75c8e47d738266927d717a09670473dc8a7eb210 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2320656Reviewed-by:
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Anton Bikineev authored
Bug: v8:10724 Change-Id: Ia0b6d6d25e6b9d7b44b4dfa94705e9cd5103cc8e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316303Reviewed-by:
Omer Katz <omerkatz@chromium.org> Commit-Queue: Anton Bikineev <bikineev@chromium.org> Cr-Commit-Position: refs/heads/master@{#69094}
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Zeynep Cankara authored
This CL use the introduce color variables to adapt light theme feature to increase accessibility. Bug: v8:10644 Change-Id: I179831aef384527b0457c6ae93fa4d42a1814834 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2305891 Commit-Queue: Zeynep Cankara <zcankara@google.com> Reviewed-by:
Mathias Bynens <mathias@chromium.org> Reviewed-by:
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Leszek Swirski authored
If we're close to a stack overflow when starting a script compile, we may get into a state where main-thread compilation would stack overflow, but background-thread compilation wouldn't. This triggers a failure of a CHECK under --stress-background-compile, but isn't actually an interesting failure. So, we loosen this CHECK to allow the main-thread having a stack overflow (strictly speaking, a RangeError) to count as a "success" for the purposes of comparing against a background compilation success. Bug: v8:10757 Change-Id: I7d687b52d178973b421c42ca0d89b4da0357232a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2320649 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Reviewed-by:
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Jakob Gruber authored
As an experiment to see how performance is impacted when changing inline definitions to normal definitions in a .cc file, this CL moves js-function-inl.h to js-function.cc. Bug: v8:10749 Change-Id: I97c3a0b7d20217f444c6891442bbe3c34f3b0cc9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2315993 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
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Camillo Bruni authored
Isolate::PromiseHasUserDefinedRejectionHandler no longer descends recursively the outer_promise chain but uses an std::stack to avoid stack overflows with very long promise chains. Change-Id: Icdf86a34d89b734adc7139357b2ba6b37a7882ad Bug: chromium:1096139 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316298Reviewed-by:
Marja Hölttä <marja@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/master@{#69090}
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Zhao Jiazhong authored
Port b64cede5 https://crrev.com/c/2289970 Port 5de28709 https://crrev.com/c/2316304 Change-Id: Ia4e24558b10adef196ab167137a9a5b6db98754b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2321950Reviewed-by:
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Clemens Backes authored
If multiple isolates were involved, we did not always hit the breakpoint reliably in all isolates. This CL fixes this flake this via two changes: 1. Remove breakpoint info when tiering up. If we keep the breakpoint information, a second isolate that later sets the same breakpoint will see that the breakpoint already exists, and will not set it again, even though the code containing the breakpoint has been replaced at that point. This fixes a flake in the debug/wasm/breakpoints test. 2. Don't overwrite code with breakpoints by default "tiered down" code. This is achieved by introducing another state in the {ForDebugging} enum which marks that code contains breakpoints. Otherwise it could happen that two isolates start tiering down (both recompiling missing functions in Liftoff), one isolate finishes and immediately sets a breakpoint, then the other isolates finishes and overwrites the code with breakpoints by the usual {kForDebugging} code. Setting breakpoints is synchronized already, so overwriting breakpoint code with other breakpoint code is always safe. R=thibaudm@chromium.org Bug: v8:10611, v8:10359 Change-Id: I171d86b110a54f9eb5e4c3fa35108638904212e8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316080 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by: -
Clemens Backes authored
This follows https://crrev.com/c/2317298. TBR=machenbach@chromium.org No-Try: true Change-Id: I26608a7234145ac1f6cd234024054fc372946d3e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2320652 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/5383c9f..483d965 Rolling v8/third_party/aemu-linux-x64: BSmiob0gPivtoM5FO4ByhQHofOIKJ7KxRVPyfzhrjTkC..nz3cLclK4lWm6gzvGCOHPQAKJUO8EsMBr7EIUXwS9SEC Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/0606ae6..d292e89 TBR=machenbach@chromium.org,tmrts@chromium.org,v8-waterfall-sheriff@grotations.appspotmail.com Change-Id: Ic65daec89acb3be7fc901e198cdcf175080ad339 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2321589Reviewed-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@{#69086}
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- 27 Jul, 2020 3 commits
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Paolo Severini authored
Currently, when running with --trace-turbo, V8 generates a different .json file for each wasm-to-js thunk that it compiles, but these files all have the same name "turbo-wasm-to-js-0.json", and only one file is generated. This makes it difficult to actually examine the difference in the IR for this call wrappers produced for different signatures. This patch fixes this by naming each trace file as: "wasm-to-js-<kind>-<signature>-0.json", like for example "turbo-wasm-to-js-5-ii-i-0.json". Change-Id: Iebb73829cddd4f6bbf9d02ed1ce94a80dcfa5ca7 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316834 Commit-Queue: Paolo Severini <paolosev@microsoft.com> Reviewed-by:
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Shu-yu Guo authored
This reverts commit ce249dbb. Reason for revert: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/32375 Original change's description: > [torque] Port some constructor builtins to Torque. > > - FastNewFunctionContextEval > - FastNewFunctionContextFunction > - CreateEmptyLiteralObject > - CreateRegExpLiteral > - CreateEmptyArrayLiteral > - CreateShallowArrayLiteral > - CreateShallowObjectLiteral > - NumberConstructor > - ObjectConstructor > - GenericLazyDeoptContinuation > > Bug: v8:9891 > > Change-Id: Idd4bf035d8dbeec03b9ef727e1bfb80eab4bc43c > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2311411 > Commit-Queue: Bill Budge <bbudge@chromium.org> > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Cr-Commit-Position: refs/heads/master@{#69082} TBR=bbudge@chromium.org,jgruber@chromium.org,leszeks@chromium.org,tebbi@chromium.org Change-Id: I76272a4d439ef95213fdfb659bdbcb71e16daec6 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:9891 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2321111Reviewed-by:
Shu-yu Guo <syg@chromium.org> Commit-Queue: Shu-yu Guo <syg@chromium.org> Cr-Commit-Position: refs/heads/master@{#69084}
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Michael Achenbach authored
Updating was prepared on depot_tools side by https://crbug.com/1098560. No-Try: true Bug: v8:10619 Change-Id: If24aec3344e83857c09ce165be4203846b3a91b4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316302Reviewed-by:
Liviu Rau <liviurau@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#69083}
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