- 16 Oct, 2020 8 commits
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Ross McIlroy authored
The output of a call won't be live if an exception is thrown while the call is on the stack and we unwind to a catch handler. BUG=chromium:1138075,v8:9684 Change-Id: I95bf535bac388940869eb213e25565d64fe96df1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476317 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by:
Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#70562}
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Omer Katz authored
Align the library with the current blink implementation. TraceStrongly takes a WeakMember and strongifies it so that the referenced objects is retained. This is used in blink during tracing of some weak collections. Bug: chromium:1056170 Change-Id: I306f84fc37a856d309bccc7f544750abb2bdc7c9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2479003 Commit-Queue: Omer Katz <omerkatz@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Auto-Submit: Omer Katz <omerkatz@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#70561}
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Dominik Inführ authored
This is a reland of 44708a5b Original change's description: > [compiler, heap] Create LocalHeap outside of ExecuteJob > > Create LocalHeap directly in the Task or in GetOptimizedCodeNow and > pass its reference as argument to ExecuteJob. This allows us to create > LocalHeap differently for the main and background thread, e.g. by > passing an additional argument to the constructor in the future. > It will be required in the future anyways when the main thread will > have its own LocalHeap/LocalIsolate. > > Extending the scope of LocalHeap, also made > HandleBase::IsDereferenceAllowed more precise and uncovered two > potential issues: heap accesses in > OptimizingCompileDispatcher::CompileNext and PipelineImpl::AssembleCode > with --code-comments. > > LocalHeap can now be created in the parked state. Also fixed a data > race with LocalHeap's destructor publishing write barrier entries > without holding the lock. > > Bug: v8:10315 > Change-Id: I9226972601a07b87108cd66efbbb6a0d118af58d > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2460818 > Commit-Queue: Georg Neis <neis@chromium.org> > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Santiago Aboy Solanes <solanes@chromium.org> > Reviewed-by: Georg Neis <neis@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Cr-Commit-Position: refs/heads/master@{#70521} Bug: v8:10315 Change-Id: I4c459fd6dfb98d47fc9941c0dc6864bf5a1d2d3e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474788Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Santiago Aboy Solanes <solanes@chromium.org> Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Commit-Queue: Dominik Inführ <dinfuehr@chromium.org> Cr-Commit-Position: refs/heads/master@{#70560}
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Nico Hartmann authored
This reverts commit 8f7e9158. Reason for revert: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20-%20node.js%20integration%20ng/10707? Original change's description: > [debugger] Try to trigger pause-on-oom flakes with an extra printf > > We have an issue that we can't repro locally. Enable back the > pause-on-oom tests with an extra printf with DEBUG. We will be able to > better assess the failures when they appear on the bot. > > Bug: v8:10876 > Change-Id: I066539c4b5865ecb6f2e589e9543e8c9ebd4830b > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474782 > Reviewed-by: Peter Marshall <petermarshall@chromium.org> > Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> > Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> > Cr-Commit-Position: refs/heads/master@{#70558} TBR=rmcilroy@chromium.org,petermarshall@chromium.org,solanes@chromium.org Change-Id: I1b8a146d9496e889957636456b383f8d496658dc No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:10876 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2479004Reviewed-by:
Nico Hartmann <nicohartmann@chromium.org> Commit-Queue: Nico Hartmann <nicohartmann@chromium.org> Cr-Commit-Position: refs/heads/master@{#70559}
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Santiago Aboy Solanes authored
We have an issue that we can't repro locally. Enable back the pause-on-oom tests with an extra printf with DEBUG. We will be able to better assess the failures when they appear on the bot. Bug: v8:10876 Change-Id: I066539c4b5865ecb6f2e589e9543e8c9ebd4830b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474782Reviewed-by:
Peter Marshall <petermarshall@chromium.org> Reviewed-by:
Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Cr-Commit-Position: refs/heads/master@{#70558}
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Jakob Gruber authored
- Use kNoBuiltinId instead of literal -1. - Remove support for non-embedded builtins. - Update Code object layout comment. Bug: v8:10933 Change-Id: Ie75c6ccc0a0f19348ae214249a8fc81f7e91df0c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474115 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Auto-Submit: Jakob Gruber <jgruber@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#70557}
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Jakob Gruber authored
The UMA sampling profiler prefers unique symbol addresses, otherwise disambiguation is fairly arbitrary (lexicographic). To this end, introduce a dedicated symbol v8_code_start_for_profiler_ at a unique address (i.e. no other symbol is located at this address). Bug: v8:6666 Change-Id: Iec13ccac64efc7ac3f63e29632ee8f6300bcb76b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2464926 Auto-Submit: Jakob Gruber <jgruber@chromium.org> Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/base/trace_event/common: https://chromium.googlesource.com/chromium/src/base/trace_event/common/+log/ea3ab7b..eb94f1c Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/d6e2fed..53ad43e Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/b7c1c3f..957c117 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/6e970e5..39d870e Rolling v8/third_party/zlib: https://chromium.googlesource.com/chromium/src/third_party/zlib/+log/26211a5..8cd0fc1 TBR=machenbach@chromium.org,tmrts@chromium.org,v8-waterfall-sheriff@grotations.appspotmail.com Change-Id: Icf10ea4c489ca2eab5f810cfd2788abdf1b02945 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476866Reviewed-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@{#70555}
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- 15 Oct, 2020 32 commits
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Ng Zhi An authored
Bug: v8:10993 Change-Id: I678db8916ddc36f6325534b6d467f35038241e4c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2453458Reviewed-by:
Bill Budge <bbudge@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#70554}
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Frank Tang authored
https://mm.icann.org/pipermail/tz-announce/2020-October/000059.html Revised predictions for Morocco's changes starting in 2023. Canada's Yukon changes to -07 on 2020-11-01, not 2020-03-08. Macquarie Island has stayed in sync with Tasmania since 2011. Casey, Antarctica is at +08 in winter and +11 in summer. zic no longer supports -y, nor the TYPE field of Rules. Bug: chromium:1137864, chromium:1138117 Change-Id: I6076a993fcd755074ddcfa5321b78aa5f043337b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476681 Commit-Queue: Frank Tang <ftang@chromium.org> Reviewed-by:
Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#70553}
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Ng Zhi An authored
This is merged into the proposal, move it out of post-mvp flags, and remove any ifdefs guarding it. Bug: v8:10993 Change-Id: I4c82e3fc17c97735d5417fa4a5d85d7f091fbb8b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2453457Reviewed-by:
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Ng Zhi An authored
read_prefixed_byte is used mostly to read an entire prefixed opcode, it writes the number of bytes of the opcode index (without prefix byte) to the out param length. Change it so it writes the total number of bytes (including the prefix byte), as that is what most callers want (they add 1 after calling read_prefixed_byte). Bug: v8:10810 Change-Id: I914190ecae62e3547652accdc05d1cef3686fff4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476678Reviewed-by:
Andreas Haas <ahaas@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#70551}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/4af5c07..d6e2fed Rolling v8/third_party/aemu-linux-x64: 7vSUW_nuKSjSwu_SJlXmDCOkdOAMe1nyjgN02vO04jEC..ZGsmd0k3ijPxG9j-pwQg-yGF3zXYYOUD1L40GuIoAjEC Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/01898ca..b7c1c3f Rolling v8/third_party/icu: https://chromium.googlesource.com/chromium/deps/icu/+log/aba3f0d..84fb34e TBR=machenbach@chromium.org,tmrts@chromium.org,v8-waterfall-sheriff@grotations.appspotmail.com Change-Id: I0f8a89cc765cc1998d76ad764d81c08680dbb0e3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2473661Reviewed-by:
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Ng Zhi An authored
Rename AddSaturate and SubSaturate to the shorter version, AddSat and SubSat, following the spec. Bug: v8:10946,v8:10933 Change-Id: Idf74b3a1eb2e2f6d4e37d2b8e5fa6d96ea090db4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2436615Reviewed-by:
Tobias Tebbi <tebbi@chromium.org> Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Reviewed-by:
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Ng Zhi An authored
This should hopefully fix V8 DEPS upgrade. Bug: chromium:1137662,chromium:1080854 Change-Id: If069e4ea567a023006472371177ff7b32737153a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476654 Commit-Queue: Zhi An Ng <zhin@chromium.org> Reviewed-by:
Shu-yu Guo <syg@chromium.org> Cr-Commit-Position: refs/heads/master@{#70548}
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Ng Zhi An authored
Bug: v8:10933 Change-Id: I3a0526e4744b7a36d03d2bfd182616969b9db12b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2466377 Commit-Queue: Zhi An Ng <zhin@chromium.org> Reviewed-by:
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Ng Zhi An authored
Some of the tests were incorrectly using DCHECK for assertions, we want these checks to run in all configurations, not only in DEBUG. Change-Id: I41ab7c7f1aa9fe3947255fc107437fa48f304e5d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2473579Reviewed-by:
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Daniel Clark authored
This is the first change in the process of implementing import assertions per https://tc39.es/proposal-import-assertions/. This CR adds support for the empty form of the AssertClause. Also added is a --harmony-import-assertions flag to enable/disable import assertions. For now, the feature is off by default. The next change will enable the parser to handle a non-empty list of AssertEntries. Bug: v8:10958 Change-Id: I0832d89effc27225aa4430605a51690461daf7ad Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2468623Reviewed-by:
Marja Hölttä <marja@chromium.org> Commit-Queue: Dan Clark <daniec@microsoft.com> Cr-Commit-Position: refs/heads/master@{#70545}
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Ng Zhi An authored
Prefixed opcodes have a 1 byte prefix, followed by LEB-encoded u32. This changes all prefixed opcodes (gc, numeric, atomic), to that. (Simd was already so.) We can clean up read_prefix_opcode to return the total number of bytes, 1 byte prefix + leb encoded, that will be in a future patch. Bug: v8:10810,v8:10994 Change-Id: Ia74604acc059c1336b87e9f477598732de219ca9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2465057Reviewed-by:
Manos Koukoutos <manoskouk@chromium.org> Reviewed-by:
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Ng Zhi An authored
Bug: chromium:1138117 Change-Id: I7b4f5de864ede23672b9c5032556e71a85e09d18 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476533Reviewed-by:
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Ng Zhi An authored
Instead of decoding in each branch, move the decoding up in scope, since all branches do the same decoding. Bug: v8:10933 Change-Id: I99ef03e4271cc111428f9a243f61b26af6f85780 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2472758Reviewed-by:
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Victor Gomes authored
- Shortcut return when argc < param_count - Simplify return code due to PopAndReturn invariant Change-Id: Ie41d559cdbe0ba2cc4fdbfbbb622b0aec8429f03 Bug: v8:10201 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474777 Commit-Queue: Victor Gomes <victorgomes@chromium.org> Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
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Milad Fa authored
"std/stw" must always store to a memory address. Destination cannot be another register. Change-Id: I424bd535033937b3876f58ca5a4530aeac43e182 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476064Reviewed-by:
Junliang Yan <junyan@redhat.com> Reviewed-by:
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Maya Lekova authored
This reverts commit 6227c95e. Reason for revert: Breaks Mac64 GC stress - https://logs.chromium.org/logs/v8/buildbucket/cr-buildbucket.appspot.com/8866365194967638384/+/steps/Check_-_d8/0/logs/call-ref/0 Original change's description: > [wasm-gc] Implement call_ref on WasmJSFunction > > Changes: > - Introduce turbofan builtin WasmAllocatePair. > - Implement call_ref for WasmJSFunction in wasm-compiler.cc. > - Remove WasmJSFunction trap. > - Improve and extend call-ref.js test. > > Bug: v8:9495 > Change-Id: I8b4d1ab70cbbe9ae37887a6241d409eec638fd28 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2463226 > Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> > Reviewed-by: Clemens Backes <clemensb@chromium.org> > Cr-Commit-Position: refs/heads/master@{#70535} TBR=clemensb@chromium.org,manoskouk@chromium.org Change-Id: Ifad2cd8185df5e8d6766cefbcd3f28234a157dfb No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:9495 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2475735Reviewed-by:
Maya Lekova <mslekova@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#70539}
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Shu-yu Guo authored
Expressions like `foo() = 42` are specified as syntax errors but due to web compat must be kept as runtime errors. Bug: v8:10976 Change-Id: If2b549a3a1c35248c46319fa0e898872d40789a8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2471979 Auto-Submit: Shu-yu Guo <syg@chromium.org> Reviewed-by:
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Mike Stanton authored
test-heap-profiler/AllocationSitesAreVisible was disabled unnecessarily for quite some time. With a minor fix, it's possible to validate that an AllocationSite can be seen through the heap profiler interface. Change-Id: I0ac6c218da12ab268bd08c65926149f5c00e5b06 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474778 Commit-Queue: Michael Stanton <mvstanton@chromium.org> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#70537}
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Ross McIlroy authored
In certain situations a phi might not be used by later code, and so is neither spilled nor has a register allocated to it. Handle this by removing the incorrect DCHECK. BUG=chromium:1137979,v8:9684 Change-Id: I702dc05dba22e23dac5c1a366a770f18bac45c52 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2471998 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by:
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Manos Koukoutos authored
Changes: - Introduce turbofan builtin WasmAllocatePair. - Implement call_ref for WasmJSFunction in wasm-compiler.cc. - Remove WasmJSFunction trap. - Improve and extend call-ref.js test. Bug: v8:9495 Change-Id: I8b4d1ab70cbbe9ae37887a6241d409eec638fd28 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2463226 Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Reviewed-by:
Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#70535}
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Ross McIlroy authored
When merging blocks in the mid-tier register allocator, try to avoid spilling registers if we can instead introduce a gap move to move the register choosen to hold a virtual register to the register that is holding that virtual register in the successor block. This gives around 1.5% speedup on Octane. BUG=v8:9684 Change-Id: I352d1e0e2c3b89ab6bd203d76339b93ef474028f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2466117 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by:
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Martin Bidlingmaier authored
Bug: v8:11023 Change-Id: I0722338c6d82b665120f9ef8c7076e0c4983b4c2 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474773Reviewed-by:
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Victor Gomes authored
- Add a frame inheritance hierarchy comment. - Rename StandardFrame from frame.h to CommonFrame: StandardFrame usually means a JavaScript frame in other files. - Create a TypedFrame and adjust every frame that depends on it. Change-Id: I105a4ba95954c02e43bcbe2b677e554b9e9af092 Bug: v8:10933 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2431568 Commit-Queue: Victor Gomes <victorgomes@chromium.org> Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Reviewed-by:
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Victor Gomes authored
Change-Id: Idd0443968cc097a4e7339d7f26ca049909a8eddc Bug: chromium:1138776, v8:10201 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474791Reviewed-by:
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Zhao Jiazhong authored
The RoundFloat/RoundDouble functions should return the Canonical NaN if the input is a NaN. Change-Id: I19928a8a3d78770757c6fe2e240254efe9944bdc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2475493 Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn> Reviewed-by:
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Clemens Backes authored
... at function start. Otherwise we run into a position mismatch: In a non-flooded function, we add the function-entry breakpoint (for "hook on function call") with the position of the first opcode. In the flooded function though, we skip that special breakpoint because we will stop at the first instruction anyway. But then the first instruction is non-breakable, so we don't actually emit a breakpoint for it. Hence during OSR we do not find a corresponding position in the new code. This CL fixes this by postponing the function-entry breakpoint until the first breakable opcode is found, and only emits it if that position does not have a breakpoint anyway. This way, we can also move the handling for function-entry breakpoints from {StartFunctionBody} to {EmitDebuggingInfo}, where it fits much better. R=thibaudm@chromium.org Bug: chromium:1137710 Change-Id: Idfa658fa0897cca89ba5ee3066cd414f68864d06 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474774Reviewed-by:Thibaud Michaud <thibaudm@chromium.org> Commit-Queue: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#70529}
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Clemens Backes authored
Stepping always happens in Liftoff now, and always by byte offset. Thus remove the redundant "wasm-stepping-byte-offset" test, which was fully subsumed by "wasm-stepping-liftoff". Also, rename "wasm-stepping-liftoff" to "wasm-stepping". R=thibaudm@chromium.org Bug: chromium:1137710 Change-Id: Ifb68ce795ecdcbb1f85500dc4be4c2e64d15a9c6 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474116Reviewed-by:
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Michael Lippautz authored
Template specializations must use exact types to match. Bug: chromium:1056170 Change-Id: I2278e9b40712fc209044fe565023029cc5ae3ff3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474776 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#70527}
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Georg Neis authored
In particular: initial values of local ArchOpcode variables that get overwritten anyways. Creating these variables uninitialized makes that obvious. Change-Id: Ia205b5397c60769a46bf28ed60b299ac652f4b28 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2470557 Auto-Submit: Georg Neis <neis@chromium.org> Reviewed-by:
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Omer Katz authored
Cppgc exposes EphemeronPair that contains a WeakMember key and a Member value and can be used to denote ephemeron semantics in the standalone library. Tracing EphemeronPairs goes through TraceEphemeron that is exposed on the api for the blink usecase. Bug: chromium:1056170 Change-Id: I9fbaa284fa2034248cdf36ea8b0cd5be6a55f676 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2467842 Commit-Queue: Omer Katz <omerkatz@chromium.org> Reviewed-by:
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Santiago Aboy Solanes authored
This gives Arm32/64 test parity with x64. Bug: v8:10833 Change-Id: I51c3a61c1529dd17782c60ca5aa6508c6e57ce1a Fixed: v8:10833 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2467850 Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org> Reviewed-by:
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Javad Amiri authored
Bug: v8:9533 Change-Id: I912bd5acd2cdb4c9d111711d17a01ba635b76660 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2463006 Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
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