- 07 Mar, 2017 29 commits
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bbudge authored
- Fix typo, compare operand diff should be a float. LOG=N BUG=v8:6020 Review-Url: https://codereview.chromium.org/2734173003 Cr-Commit-Position: refs/heads/master@{#43651}
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jgruber authored
Polymorphic IC feedback can contain up to four (map, handler) pairs. HandlePolymorphicCase already unrolled checks for the first two pairs; these are guaranteed to exist and can omit bound checks. This CL unrolls checks against the final two pairs as well. BUG=v8:5917 Review-Url: https://codereview.chromium.org/2728293005 Cr-Commit-Position: refs/heads/master@{#43650}
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jkummerow authored
This requires serialized data to track the number of API-provided external references separately. And it flushes out a case of serialized data corruption (stored "length" field too large) that we didn't handle without crashing. BUG=v8:6055 Review-Url: https://codereview.chromium.org/2736923002 Cr-Commit-Position: refs/heads/master@{#43649}
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Sathya Gunasekaran authored
The receiver in the case of Promise.resolve is the promise constructor, not an instance of Promise. BUG=chromium:691875 Change-Id: I43e914aac51077b28c7954c8023780b9174df825 Reviewed-on: https://chromium-review.googlesource.com/450884Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#43648}
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bjaideep authored
malloc(0) returning 0 is expected behavior on AIX but compiling with -D_LINUX_SOURCE_COMPAT, malloc(0) should return a valid pointer (which we do define for AIX). However, including cstdlib resets the behaviour of _LINUX_SOURCE_COMPAT. GCC bug: 79839 R=jochen@chromium.org, titzer@chromium.org BUG= LOG=N Review-Url: https://codereview.chromium.org/2732743002 Cr-Commit-Position: refs/heads/master@{#43647}
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Michael Achenbach authored
BUG=chromium:698845 NOTRY=true TBR=hablich@chromium.org,tandrii@chromium.org Change-Id: I970c984c5e9bd23ca3d951d13243d107fc2a2e3f Reviewed-on: https://chromium-review.googlesource.com/451280Reviewed-by: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Michael Hablich <hablich@chromium.org> Commit-Queue: Michael Hablich <hablich@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#43646}
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hpayer authored
BUG=chromium:694255 Review-Url: https://codereview.chromium.org/2731363002 Cr-Commit-Position: refs/heads/master@{#43645}
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Toon Verwaest authored
BUG= Change-Id: I85f9619e0ecb7d0ebee9523e3b4c44ab7f091cfb Reviewed-on: https://chromium-review.googlesource.com/451380Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Toon Verwaest <verwaest@chromium.org> Cr-Commit-Position: refs/heads/master@{#43644}
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ahaas authored
R=titzer@chromium.org, v8-arm-ports@googlegroups.com BUG=v8:6046 Review-Url: https://codereview.chromium.org/2737493002 Cr-Commit-Position: refs/heads/master@{#43643}
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bmeurer authored
So far we only recognize the special NumberFloor(NumberDivide(lhs, rhs)) subgraph when both lhs and rhs are in the Unsigned32 range, and the result is a PlainNumber. Extend this pattern matching to also cover NumberFloor(SpeculativeNumberDivide(lhs, rhs)) and to replace the NumberFloor with NumberToInt32 truncation if the lhs value is in Signed32 range and the rhs is in Unsigned32 range. R=jarin@chromium.org BUG=v8:5267 Review-Url: https://codereview.chromium.org/2739573004 Cr-Commit-Position: refs/heads/master@{#43642}
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Marja Hölttä authored
This pretty much rewrites the preparsed scope data collection. We used to store the allocation result, but it's faster to just store the raw data which is needed for deciding it later. (This way we don't need to run the allocation algorithm for just getting this data.) For each variable: is_used, maybe_assigned, has_forced_context_allocation, and for each scope: inner_scope_calls_eval_. In addition, this CL moves data handling out of Scope and into PreParsedScopeData where it belongs and simplifies the API for PreParsedScopeData. BUG=v8:5516 R=vogelheim@chromium.org Change-Id: Ia5a4fa52f585cd4f483ce9a92f2dd7d9754f34ed Reviewed-on: https://chromium-review.googlesource.com/451273 Commit-Queue: Marja Hölttä <marja@chromium.org> Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org> Cr-Commit-Position: refs/heads/master@{#43641}
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ulan authored
BUG=v8:6056 Review-Url: https://codereview.chromium.org/2737743002 Cr-Commit-Position: refs/heads/master@{#43640}
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jarin authored
Review-Url: https://codereview.chromium.org/2732883004 Cr-Commit-Position: refs/heads/master@{#43639}
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mvstanton authored
BUG=v8:5267, chromium:692409 Review-Url: https://codereview.chromium.org/2720713003 Cr-Commit-Position: refs/heads/master@{#43638}
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Clemens Hammacher authored
I originally needed this for the initialization of a constexpr array in the wasm lazy compile builtin, but since it's a bigger change, I now split it off as this separate CL. The style guide recommends constexpr over const. I thus apply the constexprificaton over all headers that I touched anyway. I also remove the ARM64_DEFINE_REG_STATICS hack. It was introduced when merging in arm64 support more than three years ago, and I don't see the purpose for this. Also, some #defines can now be constexpr definitions, which was not possible before according to the comment. R=bmeurer@chromium.org, mstarzinger@chromium.org, ishell@chromium.org Change-Id: I6d743b4462c347d363f99e28007bc9e8c84ae617 Reviewed-on: https://chromium-review.googlesource.com/451277Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Igor Sheludko <ishell@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#43637}
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loorongjie authored
BUG=NO Review-Url: https://codereview.chromium.org/2731263003 Cr-Commit-Position: refs/heads/master@{#43636}
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Clemens Hammacher authored
Several code patching paths actually flushed the icache twice. This CL removes all icache flushing on wasm updates from assembler.cc and pushes it into the platform specific unchecked_update_wasm_size and unchecked_update_wasm_memory_reference methods. They were already receiving the ICacheFlushMode, and on some platforms would already perform the flush. R=ahaas@chromium.org Change-Id: I388701f13d733cb5387d5bed4dbed33879179a91 Reviewed-on: https://chromium-review.googlesource.com/450246 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#43635}
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Toon Verwaest authored
It's unused. BUG=v8:5717 Change-Id: I2609d8fd686e74ab31ea2f21d247d054305b2cad Reviewed-on: https://chromium-review.googlesource.com/451357 Commit-Queue: Toon Verwaest <verwaest@chromium.org> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/master@{#43634}
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Georg Neis authored
BUG=v8:6048 Change-Id: Iecca35fa73d036ca6043712e3b14bf449ff2e457 Reviewed-on: https://chromium-review.googlesource.com/449734 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#43633}
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bmeurer authored
This slighty improves the Map/Set implementations in the new pipeline, which makes heavy use of NUMBER_IS_NAN. BUG=v8:5267 R=jarin@chromium.org Review-Url: https://codereview.chromium.org/2740433003 Cr-Commit-Position: refs/heads/master@{#43632}
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Daniel Cheng authored
Otherwise, v8 embedders need to depend on targets in src. BUG=chromium:688155 Change-Id: Idea90d8f550cd4d0141b92a7bdd18f4df664d11b Reviewed-on: https://chromium-review.googlesource.com/447845Reviewed-by: Marja Hölttä <marja@chromium.org> Commit-Queue: Daniel Cheng <dcheng@chromium.org> Cr-Commit-Position: refs/heads/master@{#43631}
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jgruber authored
This inlines common LoadIC cases into the LdaNamedProperty bytecode handler. Smi handlers resulting in constant/field loads for monomorphic ICs omit frame construction. The same counts for the polymorphic case as long as the target handler is in the first two vector slots. Other cases (megamorphic, uninitialized) call the new LoadIC_Noninlined stub. Local benchmarks show up to 6% improvement on Sunspider with --future. BUG=v8:5917 Review-Url: https://codereview.chromium.org/2733563002 Cr-Commit-Position: refs/heads/master@{#43630}
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bmeurer authored
Oftentimes we can avoid the Smi check for ToBoolean truncations, since we already know that the input is always going to be a HeapObject. So introduce a dedicated TruncateTaggedPointerToBit operator, which uses the fact that the input is known to be a HeapObject. BUG=v8:5267 R=jarin@chromium.org Review-Url: https://codereview.chromium.org/2738483002 Cr-Commit-Position: refs/heads/master@{#43629}
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Camillo Bruni authored
Change-Id: I58fc4ad8104f9a334a24de181168122f215a0505 BUG=chromium:678427 Change-Id: I58fc4ad8104f9a334a24de181168122f215a0505 Reviewed-on: https://chromium-review.googlesource.com/447980Reviewed-by: Mythri Alle <mythria@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#43628}
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Michael Starzinger authored
The parser already changes all negative equality comparison operations to their positive pendants in {ParserBase::ParseBinaryExpression}. No other source of the Token::NE exists in the system. We can remove all handling from the compiler and interpreter backends. R=bmeurer@chromium.org Change-Id: I58722c08dd8e498f20c65886fce86b8172737b10 Reviewed-on: https://chromium-review.googlesource.com/449716Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#43627}
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Peter Marshall authored
Part of the performance and refactoring work to move the TypedArray constructors into CSA. This CL moves ConstructByLength from JS to CSA. There are still other callers to typed_array_initialize in typedarray.js, so we share the implementation using DoInitialize. In a later CL we can split apart DoInitialize once we have more TA constructors written in CSA, so that we can reuse specific parts more easily. BUG=v8:5977 Change-Id: Ia51e8363970e9a025a82933e56a7baaf82cb1eec Reviewed-on: https://chromium-review.googlesource.com/448220Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Commit-Queue: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#43626}
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cwhan.tunz authored
- Remove TypedArrayIncludes in src/js/typedarray.js - Implement it to C++ using the IncludesValue implementation in ElementsAccessor BUG=v8:5929 Review-Url: https://codereview.chromium.org/2732823002 Cr-Commit-Position: refs/heads/master@{#43625}
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v8-autoroll authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/10e3929..789a49b Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/9b85841..353ee60 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/c9f2fc0..e96a7b4 TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org Change-Id: Icfbbf26a5159e4246648fe17793c2c16813cb885 Reviewed-on: https://chromium-review.googlesource.com/451117Reviewed-by: v8 autoroll <v8-autoroll@chromium.org> Commit-Queue: v8 autoroll <v8-autoroll@chromium.org> Cr-Commit-Position: refs/heads/master@{#43624}
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aseemgarg authored
BUG=v8:4614 R=binji@chromium.org Review-Url: https://codereview.chromium.org/2623633003 Cr-Commit-Position: refs/heads/master@{#43623}
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- 06 Mar, 2017 11 commits
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ynovikov authored
BUG=chromium:626498 Review-Url: https://codereview.chromium.org/2726213004 Cr-Commit-Position: refs/heads/master@{#43622}
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Ross McIlroy authored
Deletion can cause collisions to be moved in the map which breaks iteration. For now just remove this support. Also add some additional collision tests to the test. BUG=v8:5203 Change-Id: I54a0a4af51da08b3f963dc1d7661dba291e4efea Reviewed-on: https://chromium-review.googlesource.com/445900Reviewed-by: Ben Titzer <titzer@chromium.org> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#43621}
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yangguo authored
If the top-level function cannot be found, we previously assumed an invocation count of 1. This is wrong when we expect the invocation counts to be reset for precise coverage. TBR=jgruber@chromium.org R=caseq@chromium.org,pfeldman@chromium.org BUG=v8:5808 Review-Url: https://codereview.chromium.org/2723003007 Cr-Commit-Position: refs/heads/master@{#43620}
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kozyatinskiy authored
This CL provide type with each break location, type could be: call, return or debugger statement. BUG=chromium:432469 R=yangguo@chromium.org,dgozman@chromium.org Review-Url: https://codereview.chromium.org/2728563002 Cr-Commit-Position: refs/heads/master@{#43619}
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ulan authored
The concurrent marker uses ObjectVisitor to iterate pointers in objects and local marking bitmaps to keep track of visited objects. To keep it simple for now, I removed support for multiple tasks and canceling unfinished tasks. BUG=chromium:694255 Review-Url: https://codereview.chromium.org/2732053002 Cr-Commit-Position: refs/heads/master@{#43618}
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tebbi authored
This extends https://codereview.chromium.org/2728983002 to all of Turbofan, for the same reasons: The machine reducer is unreliable in signalling changed nodes and value numbering is unpredictable if not always re-run on changed nodes. Putting value numbering last in all graph reducers patches this. BUG=v8:6036 R=mstarzinger@chromium.org Review-Url: https://codereview.chromium.org/2730753003 Cr-Commit-Position: refs/heads/master@{#43617}
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kozyatinskiy authored
This method could be called on pause and will do stepInto next scheduled callback if any will happen until next break. First implementation support only callbacks chained by Promise.prototype.then. BUG=chromium:432469 R=yangguo@chromium.org,dgozman@chromium.org Review-Url: https://codereview.chromium.org/2723273002 Cr-Commit-Position: refs/heads/master@{#43616}
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ulan authored
This patch adds a trivial ConcurrentMarking class that can start background tasks. BUG=chromium:694255 Review-Url: https://codereview.chromium.org/2728363002 Cr-Commit-Position: refs/heads/master@{#43615}
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jarin authored
Review-Url: https://codereview.chromium.org/2736723003 Cr-Commit-Position: refs/heads/master@{#43614}
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Clemens Hammacher authored
From asm.js code we might get an empty ArrayBuffer as heap memory. In this case, both the old memory start and the new memory start will be nullptr. The size however has to be patched from default_size to 0. This CL changes code specialization to be able to either patch memory references, or patch memory sizes or both. R=titzer@chromium.org, ahaas@chromium.org BUG=chromium:698587 Change-Id: I4d9d811d75cb83842f23df317e8e7fc02aeb5146 Reviewed-on: https://chromium-review.googlesource.com/450257 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#43613}
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bmeurer authored
BUG=chromium:698607 R=jarin@chromium.org Review-Url: https://codereview.chromium.org/2735633003 Cr-Commit-Position: refs/heads/master@{#43612}
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