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902b23272a
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Shu-yu Guo 902b23272a Revert "[maglev] Add internalized string compare fast-path" 
This reverts commit c4301c0489.

Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/42568/overview

Original change's description:
> [maglev] Add internalized string compare fast-path
>
> - Rename TryBuildCompareOperationBranch to TryBuildCompareOperation
> - Add CheckedInternalizedString conversion Node that checks for string
>   inputs and extracts internalised Strings from ThinStrings
> - Add BranchIfReferenceCompare Node
> - Add runtime functions to create internalised and thin Strings
> - Add deopt check to test/mjsunit/maglev/int32-branch.js
>
> Bug: v8:7700
> Change-Id: I0073c24fad9e3231c985153cd27b0b8fe6ee56f0
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3664498
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: Camillo Bruni <cbruni@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#81361}

Bug: v8:7700
Change-Id: Id4e18f42a5b1f0d6909b0a017ae8e289ae8c8614
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3723520
Owners-Override: Shu-yu Guo <syg@chromium.org>
Auto-Submit: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#81363}
2022-06-24 19:53:09 +00:00
..
benchmarks Mark benchmarks/kraken/audio-dft as slow under slow variants 2022-06-15 23:10:02 +00:00
bigint [bigint][test] Parse command-line integer parameters robustly 2022-05-30 15:21:36 +00:00
cctest [heap][deserializer] Better HeapObject alignment checks 2022-06-24 16:19:49 +00:00
common [wasm][refactor] Use MessageTemplate to describe errors 2022-06-09 16:01:54 +00:00
debugger [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debugging [d8][mjsunit][tools] Improve d8 file API 2021-06-01 13:37:57 +00:00
fuzzer [wams-gc] Enable i31.new as constant expression 2022-06-16 07:04:53 +00:00
fuzzilli Fix unhandled promise rejections in REPRL mode 2020-09-30 13:34:23 +00:00
inspector Reland "[inspector] Allow Debugger.setScriptSource to edit top-most function" 2022-06-15 07:48:30 +00:00
intl Fix unreachable code under --harmony-intl-number-format-v3 2022-06-22 02:57:57 +00:00
js-perf-test [compiler] Inline Array.prototype.at in JSCallReducer 2022-05-25 10:01:03 +00:00
memory [snapshot] Fix the Memory.json benchmark 2021-04-28 07:54:34 +00:00
message [api] add v8::Module::GetStalledTopLevelAwaitMessage() 2022-06-10 16:46:57 +00:00
mjsunit Revert "[maglev] Add internalized string compare fast-path" 2022-06-24 19:53:09 +00:00
mkgrokdump [sandbox] Turn V8_SANDBOX into V8_ENABLE_SANDBOX 2022-05-13 16:23:23 +00:00
mozilla [test] Clean up Py2 code 2022-03-17 09:12:36 +00:00
test262 [Temporal] Add add/subtract to PlainYearMonth 2022-06-18 00:35:02 +00:00
torque Reland "Reland "[Torque] Generalize Torque literals to larger size"" 2022-02-04 09:40:24 +00:00
unittests [stringrefs] Add wtf8_policy immediate to string.new_wtf8 2022-06-23 18:45:02 +00:00
wasm-api-tests [wasm][c-api] Add handle scope to fix wasm_module_validate 2022-06-09 16:46:23 +00:00
wasm-js [wasm] Update spec tests 2022-06-15 11:38:32 +00:00
wasm-spec-tests Reland "[sandbox] Also enable the sandbox outside of Chromium builds" 2022-06-21 13:32:26 +00:00
webkit [test] Disable failing MSVC test 2021-12-01 15:51:59 +00:00
BUILD.gn [test] Move cctest/interpreter to unittests 2022-06-10 08:37:10 +00:00
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