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littledan authored
Reland of Use ES2015-style TypedArray prototype chain (patchset #1 id:1 of https://codereview.chromium.org/1554523002/ ) Reason for revert: Should be fixed again with this Blink change to add NeedsManualRebaseline Original issue's description: > Revert of Use ES2015-style TypedArray prototype chain (patchset #5 id:80001 of https://codereview.chromium.org/1541233002/ ) > > Reason for revert: > [Sheriff] Changes layout tests. Please fix upstream first if intended. > > https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/3689 > > Original issue's description: > > Use ES2015-style TypedArray prototype chain > > > > This patch switches TypedArrays to use the prototype chain described > > in the ES2015 specification, which adds a %TypedArray% superclass above > > all individual TypedArray types. Most methods are defined on the > > superclass rather than the subclasses. > > > > In order to prevent a performance regression, a few methods are > > marked as inline. Inlining might prevent code which was previously > > monomorphic from becoming polymorphic, and it was specifically > > applied in places where methods became more polymorphic than before. > > Tests with realistic workloads would be nice to do before this > > ships in stable. > > > > This patch does not bring TypedArrays up to full spec compliance. In > > particular, @@species is not yet supported. > > > > R=cbruni > > BUG=v8:4085 > > LOG=Y > > > > Committed: https://crrev.com/07c91dccbe55c7be3ec75857dee5ad59873330b7 > > Cr-Commit-Position: refs/heads/master@{#33050} > > TBR=caitpotter88@gmail.com,cbruni@chromium.org,littledan@chromium.org > NOPRESUBMIT=true > NOTREECHECKS=true > NOTRY=true > BUG=v8:4085 > > Committed: https://crrev.com/28b55ffd1e32e09aaf42b8bbb407944d4808e07c > Cr-Commit-Position: refs/heads/master@{#33053} TBR=caitpotter88@gmail.com,cbruni@chromium.org,machenbach@chromium.org BUG=v8:4085 LOG=Y CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel Review URL: https://codereview.chromium.org/1558663002 Cr-Commit-Position: refs/heads/master@{#33067}
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