- 31 Jan, 2020 15 commits
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Ng Zhi An authored
Define a macro in code-generator-x64 to help identify cases when the shift value is an immediate/constant. In those cases we can directly emit the shifts without any masking, since the instruction selector would have modulo-ed the shift value. We also don't need any temporaries in this case. This is only x64 codegen, optimizations for other archs will come in future patches (and will probably look very similar to this). The current test case passes the shifts as an immediate, so we add a new path that loads the shift value from memory, thereby exercising the slower path of non-immediate shift value. Bug: v8:10115 Change-Id: Iaf13d81595714882a8f5418734e031b8bc654af3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2026067Reviewed-by:
Deepti Gandluri <gdeepti@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#66074}
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Frank Tang authored
Fix changes caused by pull/75 Fix skeleton to unit code which missed the case of ...-per-percent. https://github.com/tc39/proposal-unified-intl-numberformat/pull/75 Bug: v8:10112 Change-Id: I06f4668894c95234f36944cf3dcf2b8dbafb8b8c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2032713Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Frank Tang <ftang@chromium.org> Cr-Commit-Position: refs/heads/master@{#66073}
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Ng Zhi An authored
This relands commit e8832647. The flaky test failures seems to be related to tiering, Liftoff generating different call descriptors from TurboFan when Simd128 is unsupported (since TurboFan will lower the graph, but Liftoff can continue running simd-call.js just fine). We temporarily disable tiering for this test, until we get a proper fix, like https://crrev.com/c/2029427/, but that fix requires this change since more tests will fail without the lowering fixed. Bug: v8:10169 Bug: v8:10154 Original change's description: > [wasm-simd] Fix scalar lowering of kParameter > > Lowers the call descriptor of a wasm function if it contains simd. > > Also fixes a couple of issues with the lowering of kParameter: > - the old_index == new_index check is incorrect, it would only work if > the s128 parameter is the first parameter > - the old_index was also not adjusted to account for Parameter[0] being > the wasm instance object > - new_index needs to be adjusted to account for the instance object too > > These fixes make it more similar to the lowering of kParameter in > int64-lowering.c. > > Also add a new mjsunit test to exercise this logic. > > Bug: v8:10154 > Change-Id: Ia767a464c26a6a78fd931eab9e6897890a0904e8 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2020521 > Commit-Queue: Zhi An Ng <zhin@chromium.org> > Reviewed-by: Deepti Gandluri <gdeepti@chromium.org> > Reviewed-by: Andreas Haas <ahaas@chromium.org> > Cr-Commit-Position: refs/heads/master@{#66032} Change-Id: I1e27825025aefc5a42aeeb87d0447d6594388fa4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029147Reviewed-by:
Andreas Haas <ahaas@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#66072}
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Peter Marshall authored
We will use this state in devtools via the inspector to indicate whether a thread is currently stuck polling in atomics.wait. VMState already distinguishes the important states we care about which are idle vs. running JS. We also want to know the state for atomics.wait(), which is commonly used in WebWorkers to poll the main page for work to do. This CL just adds and maintains the state and adds assertions in atomics tests. Another CL will emit inspector notifications when the VMState changes in a way that the inspector cares about. Re-flow comments as a drive-by cleanup. Bug: chromium:1025490 Change-Id: I961051bfb846aa20454a56214310370ea8e47d1c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2033168 Commit-Queue: Peter Marshall <petermarshall@chromium.org> Reviewed-by:
Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#66071}
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Michael Lippautz authored
The flag is unused. Bug: chromium:1044630 Change-Id: Ib499cdd559451c9f23c3c98b187755ef6748bffc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030743 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#66070}
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Benedikt Meurer authored
When async stepping through code where only extension scripts are on the stack, we the iterator is not gonna yield any frames, since it ignores all extension frames. Bug: chromium:1045863 Change-Id: Ifdb966e47bf1d090fa695d066003c7aff343f658 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2033167 Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Auto-Submit: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by:
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Michael Achenbach authored
This adds two flags for whitelisting natives on fuzzers: --allow-natives-for-fuzzing: Enables a small subset of runtime functions and replaces others with undefined. --allow-natives-for-differential-fuzzing Restricts the allowed runtime functions even further, excluding the ones that break differential fuzzing. Bug: chromium:1044942 Change-Id: I890bd4a6ff7c2e483dd74155290a7ace06f85239 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2020773Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#66068}
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Peter Marshall authored
Bug: v8:10155 Change-Id: I0ce8a71ab364f9281ab39df1f057bd93d7bef061 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2033165 Commit-Queue: Peter Marshall <petermarshall@chromium.org> Auto-Submit: Peter Marshall <petermarshall@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#66067}
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Clemens Backes authored
Various accessors (like {has_eval_from_shared} or {is_wrapped}) are only allowed on scripts that are not wasm. This currently makes printing wasm scripts fail. This CL fixes that by having separate paths for printing wasm scripts vs non-wasm scripts. R=jkummerow@chromium.org Change-Id: I8771ded22999504f2fb2c55bc0a1d95c25e988c3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2033164Reviewed-by: -
Michael Achenbach authored
No-Try: true Bug: chromium:1047632 Change-Id: I01f02cf5ffa53d261311b8265e0005cfe5257f4a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030739Reviewed-by:
Mythri Alle <mythria@chromium.org> Reviewed-by:
Maya Lekova <mslekova@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#66065}
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Leszek Swirski authored
Factory::NewFunction now requires names passed into it to be flat. Make sure to flatten Wasm function names when creating new Wasm JS functions. Fixes: chromium:1047368 Change-Id: I7bd2d8bc83ae8fab901ab469872bce0f703fc3ec Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030738 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Auto-Submit: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#66064}
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Clemens Backes authored
This shipped in v7.9, which is stable since six weeks. We do not test the previous configuration any more and don't plan to move back, hence remove the flag and clean up the code. R=ahaas@chromium.org Bug: v8:10155 Change-Id: I6b981f4be686473a911f041952cb684749d9fe7e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030732 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by:
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Clemens Backes authored
As discussed offline, the current implementation implement each situation separately. I think we can simplify the code a lot by sharing code between the different paths. This CL does that by 1) implementing the kI64Store case separately, because it does not have all the register contraints that the others have, and 2) moving all logic to ensure that the {src} register is usable before the switch, such that it's shared by all the compare-exchange cases. As a side produce, this also fixes issue 1045225, because for i64 stores which actually only use the lower half of {src}, only that half will be pinned. R=ahaas@chromium.org Bug: chromium:1045225, v8:10108 Change-Id: I0be025b9706d563835ae6337d45b88e0233eacad Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029414Reviewed-by: -
Milad Farazmand authored
Negating 1 << 31 as a signed integer overflows and causes undefined behaviour hence SetS390OverflowCode may never get set. Change-Id: I4a479f0d3c71eaaa58ae0925d744e7779ecd833b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2031861Reviewed-by:
Joran Siu <joransiu@ca.ibm.com> Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#66061}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/25075ce..96fd652 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/707a874..a66ca23 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/1a0daf7..ae510e8 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/953ea7a..23191fa Rolling v8/tools/swarming_client: https://chromium.googlesource.com/infra/luci/client-py/+log/885b3fe..0ac2847 TBR=machenbach@chromium.org,tmrts@chromium.org Change-Id: I693b48fe867cb591b581c749445892d2f873aec1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2031906Reviewed-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@{#66060}
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- 30 Jan, 2020 23 commits
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Milad Farazmand authored
Change-Id: I6f7d3a5f123edea8674c0f9217b03760f3af016f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2028451Reviewed-by:
Junliang Yan <jyan@ca.ibm.com> Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#66059}
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Zhi An Ng authored
This reverts commit 7c32fa05. Reason for revert: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux/35618 Need to update expected test output. Original change's description: > [wasm-simd][liftoff] Check CpuFeatures for SIMD support > > If Wasm simd128 is not supported on this particular hardware, we bail > out to TurboFan. > > Bug: v8:9909 > Change-Id: Ie46e154426783ba099b7c0facc906670cda1bdd0 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029427 > Reviewed-by: Clemens Backes <clemensb@chromium.org> > Commit-Queue: Zhi An Ng <zhin@chromium.org> > Cr-Commit-Position: refs/heads/master@{#66055} TBR=gdeepti@chromium.org,clemensb@chromium.org,zhin@chromium.org Change-Id: I7def513a619c609ff820ff1b9aefa92e1741e4a2 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:9909 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2031888Reviewed-by:
Zhi An Ng <zhin@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#66058}
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Milad Farazmand authored
Port e920b2e3 Original Commit Message: - Debugger stepping assumes that the pc points to the instruction that should get executed next, so we need to increment it when we hit a stop or a bkpt instruction or else we'll end up in an infinite loop. - The "break" and the "stop unstop" command write into code space, so they need to temporarily make code space writable or else they just crash. (Note that this doesn't work for embedded builtins.) R=neis@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: I1a9507f621c83dd94f2de230f7c75bc1fee95dd0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2031204Reviewed-by:
Georg Neis <neis@chromium.org> Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#66057}
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Ng Zhi An authored
On backends that do not have s128 support in Liftoff, tests will bail out to TurboFan, so tests will continue running and passing. Bug: v8:9909 Change-Id: I3b596a73b6cb2e8645a99c65a935026f9e1a8d55 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029332Reviewed-by:
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Ng Zhi An authored
If Wasm simd128 is not supported on this particular hardware, we bail out to TurboFan. Bug: v8:9909 Change-Id: Ie46e154426783ba099b7c0facc906670cda1bdd0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029427Reviewed-by:
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Eric Leese authored
This reverts commit 410ca4c5. Reason for revert: This was causing Chrome to hang when debugging large wasm binaries. Clean revert except for modification to test/debugger/debugger.status Bug: chromium:1047210, v8:9654 Original change's description: > [wasm] Tierdown wasm module upon "Debugger.enable" > > Put a logic in Wasm Engine to tier down all existing modules per isolate > when debugger is enabled. This CL does not handle new module added after > debugger is enabled yet. > > Bug: v8:9654 > Change-Id: I87060f5c416506543fcaf231bff9999d06ba4c0d > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2013692 > Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com> > Reviewed-by: Simon Zünd <szuend@chromium.org> > Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> > Reviewed-by: Clemens Backes <clemensb@chromium.org> > Cr-Commit-Position: refs/heads/master@{#66017} TBR=clemensb@chromium.org,bmeurer@chromium.org,duongn@microsoft.com,szuend@chromium.org # Not skipping CQ checks because original CL landed > 1 day ago. Bug: v8:9654 Change-Id: Id49e8c69f8212e95e698d7e7267056fb2eb7e60a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030737 Auto-Submit: Eric Leese <leese@chromium.org> Reviewed-by:
Simon Zünd <szuend@chromium.org> Commit-Queue: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#66054}
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Michael Achenbach authored
This uses the most common bottleneck for intercepting range-error creation in correctness fuzzing. Previous abort conditions didn't cover all cases, e.g. they didn't cover the generic NewError called by wasm-results. This also moves code for error-message suppression to the same location for readability. In a follow up we'll remove the other redundant abort conditions that are scattered through the code. Bug: chromium:1044942, chromium:1047197 Change-Id: I1b898247a304fd35112facd4048de3a02d512c96 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030728Reviewed-by:
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Milad Farazmand authored
Port c10153b4 R=zhin@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: I6668e7d7b260b62838d609e27e240bb670977250 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030744Reviewed-by:
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Michael Hablich authored
TBR=machenbach@chromium.org Change-Id: I2a60152b04301c835fa21c03cd879b3530c436bf Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030726Reviewed-by:
Michael Hablich <hablich@chromium.org> Reviewed-by:
Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Hablich <hablich@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Auto-Submit: Michael Hablich <hablich@chromium.org> Cr-Commit-Position: refs/heads/master@{#66051}
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Thibaud Michaud authored
This reverts commit 9781aa07. Reason for revert: tsan bot failure: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20TSAN/30110 Original change's description: > Reland "[wasm] Cache streaming compilation result" > > This is a reland of 015f379a > > Original change's description: > > [wasm] Cache streaming compilation result > > > > Before compiling the code section, check whether the > > bytes received so far match a cached module. If they do, delay > > compilation until we receive the full bytes, since we are likely to find > > a cache entry for them. > > > > R=clemensb@chromium.org > > > > Bug: v8:6847 > > Change-Id: Ie5170d1274da3da6d52ff1b408abc7cb441bbe3c > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2002823 > > Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> > > Reviewed-by: Clemens Backes <clemensb@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#66000} > > Bug: v8:6847 > Change-Id: I0b5acffa01aeb7dade3dc966392814383d900015 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2022951 > Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> > Reviewed-by: Clemens Backes <clemensb@chromium.org> > Cr-Commit-Position: refs/heads/master@{#66047} TBR=clemensb@chromium.org,thibaudm@chromium.org Change-Id: I76e3561835815ac3d5bca74e76079e82f9f3d581 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:6847 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030727Reviewed-by:
Thibaud Michaud <thibaudm@chromium.org> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Cr-Commit-Position: refs/heads/master@{#66050}
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Andreas Haas authored
There was a bug in the function body decoder where type checking of brtable only happened if the brtable instruction is reachable. However, type checking is required in all cases where brtable "not unreachable". The difference between reachable and "not unreachable" is a state called spec-reachable where a clever compiler can already infer that the code will be unreachable (e.g. a memory access is out of bounds just by the offset and therefore unconditionally traps), but the spec can not. If an instruction is only spec-reachable, it still has to be type checked. R=clemensb@chromium.org FIX=chromium:1046472 Change-Id: I7e9f1108597871615c0d443a0e94de35a0207b5e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2027990 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by:
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Milad Farazmand authored
Change-Id: I22598152bd8763ae50b16adb84fa9c74a7bd26b3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2028835Reviewed-by:
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Thibaud Michaud authored
This is a reland of 015f379a Original change's description: > [wasm] Cache streaming compilation result > > Before compiling the code section, check whether the > bytes received so far match a cached module. If they do, delay > compilation until we receive the full bytes, since we are likely to find > a cache entry for them. > > R=clemensb@chromium.org > > Bug: v8:6847 > Change-Id: Ie5170d1274da3da6d52ff1b408abc7cb441bbe3c > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2002823 > Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> > Reviewed-by: Clemens Backes <clemensb@chromium.org> > Cr-Commit-Position: refs/heads/master@{#66000} Bug: v8:6847 Change-Id: I0b5acffa01aeb7dade3dc966392814383d900015 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2022951 Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Reviewed-by:
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Dominik Inführ authored
The JSArrayBuffer extension stores a pointer to native memory. Set it to null before serialization and then restore the old value. Bug: v8:10064 Change-Id: I11b6d5a02cad7da119308b280269a72e24ee2a80 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029410Reviewed-by:
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Ulan Degenbaev authored
MarkingWorklistHolder has two references to the shared marking worklist: 1) as a standalone worklist for general marking, 2) as a context worklist for per-context mode marking. Because of that the shared worklist gets updated twice and breaks the invariants of UpdateMarkingWorklistAfterScavenge. Bug: chromium:1046791, chromium:973627 Change-Id: I61a8423f8b4d355adb5e8004bf200c67453c1e27 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029411Reviewed-by:
Dominik Inführ <dinfuehr@chromium.org> Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#66045}
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Ulan Degenbaev authored
This patch adds a new BackingStore::Reallocate function that internally uses a new ArrayBuffer::Allocator::Reallocate provided by the embedder. The default implementation of the function simply copies the backing store. The embedder can override the function and provide a more efficient implementation e.g. using realloc. Bug: v8:9908, v8:9380 Change-Id: I2179c80ba199c045b6900c620a813916150e7098 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2007274 Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
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Igor Sheludko authored
... by using random seed provided via --gtest_random_seed= flag. Bug: chromium:1043117 Change-Id: I6114e9c71f3196a386a8457a6ec6f9e1fc80f6ea Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2027991Reviewed-by:
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Leszek Swirski authored
Remove AstConsString "internalization", and instead make the conversion to heap String be on-demand with an Allocate method. We never actually need the heapified cons string more than once, so there's no need to do the internalization walk or do the next/string union dance in the AstConsString class. This also allows us to specify how we want to allocate the String at the call site. In particular, it allows us to allocate a flat SeqString rather rather than a ConsString. This allows us to avoid allocating ConsStrings which will just be passed to a flatten call, and especially avoid allocating dead ConsStrings in the off-thread old space. Bug: chromium:1011762 Bug: chromium:1043168 Change-Id: Id851f2f7529d92ad7e5388eb22823fd6d1959cd0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2020953Reviewed-by:
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Peter Marshall authored
'resumed' events are sent to the renderer from V8 and stored in a queue. We didn't flush this queue previously, meaning these events would sit in the queue until another message coincidentally flushed the queue. Under some circumstances, the resumed event would not get flushed and the UI would still be in a paused state, even when JS had resumed. Bug: chromium:1044989 Change-Id: I5d92fcc0a40d4e3816501da98f6be8a46f227e0f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2023563Reviewed-by:
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Liviu Rau authored
We will be able to collect test duration and later upload them in BQ. Change-Id: Ie5610d4e872259857bf3f26ba698fa65d23058be Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2020952Reviewed-by:
Tamer Tas <tmrts@chromium.org> Commit-Queue: Liviu Rau <liviurau@chromium.org> Cr-Commit-Position: refs/heads/master@{#66040}
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Georg Neis authored
- Debugger stepping assumes that the pc points to the instruction that should get executed next, so we need to increment it when we hit a stop or a bkpt instruction or else we'll end up in an infinite loop. - The "break" and the "stop unstop" command write into code space, so they need to temporarily make code space writable or else they just crash. (Note that this doesn't work for embedded builtins.) Bug: v8:10164 Change-Id: Id77f5e97892076a9fdf8de0230632e0ce979da43 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2026732 Auto-Submit: Georg Neis <neis@chromium.org> Reviewed-by:
Dan Elphick <delphick@chromium.org> Commit-Queue: Dan Elphick <delphick@chromium.org> Cr-Commit-Position: refs/heads/master@{#66039}
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Jan Krems authored
When the file begins with a hashbang, the scanner is in a failed state when SkipHashbang() is called. This is usually not an issue but when the parser encounters an ILLEGAL token, it will reset the SyntaxError location because of it. Bug: v8:10110 Change-Id: I1c7344bf5ad20079cff80130c991f3bff4d7e9a8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1995312Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/2f17606..25075ce Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/2e0a0cb..707a874 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/ea8b58b..1a0daf7 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/535dbf1..953ea7a TBR=machenbach@chromium.org,tmrts@chromium.org Change-Id: Ic908ce11f46097bf4b21189879220c21a90b7578 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2028530Reviewed-by:
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- 29 Jan, 2020 2 commits
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Ng Zhi An authored
Bug: v8:9909 Change-Id: I53d3b95e1f22e0194ac1a2ed7b556189acb8f9ad Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2023399Reviewed-by:
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Ng Zhi An authored
Change-Id: I78a33d10b2c73d2fa0cb364a7a4b23de0c01d94c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2028516Reviewed-by:
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