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  1. 09 Aug, 2016 2 commits
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  5. 28 Jul, 2016 1 commit
    • bmeurer's avatar
      [turbofan] Refactor the lowering of element/property accesses. · 1bce2790
      bmeurer authored 
      Split the monster methods in JSNativeContextSpecialization into smaller
ones, adding appropriate helpers. Improve the condition checking for
strings and numbers using CheckString/CheckNumber when applicable. Also
try to merge compatible PropertyAccessInfos, to avoid running into the
polymorphic case whenever possible.

Drive-by-fix: Don't try to resurrect dead nodes during LoadElimination.
With the improve code generation for monomorphic loads, we seem to
trigger the dead node resurrection.

R=epertoso@chromium.org
BUG=v8:4930,v8:5141

Review-Url: https://codereview.chromium.org/2191823002
Cr-Commit-Position: refs/heads/master@{#38127}
      1bce2790
  7. 26 Jul, 2016 1 commit
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  11. 19 Oct, 2015 1 commit
  13. 16 Oct, 2015 2 commits
    • jarin's avatar
      Revert of [turbofan] Initial support for monomorphic/polymorphic property... · 5c534812
      jarin authored 
      Revert of [turbofan] Initial support for monomorphic/polymorphic property loads. (patchset #3 id:100001 of https://codereview.chromium.org/1396333010/ )

Reason for revert:
Waterfall redness.

Original issue's description:
> [turbofan] Initial support for monomorphic/polymorphic property loads.
>
> Native context specialization now lowers monomorphic and
> polymorphic accesses to data and constant data properties on
> object and/or prototype chain. We don't deal with accessors
> yet, and we also completely ignore proxies (which is compatible
> with what Crankshaft does).
>
> The code is more or less the straightforward implementation. We
> will need to refactor that and extract common patterns once the
> remaining bits for full load/store support is in.
>
> CQ_INCLUDE_TRYBOTS=tryserver.v8:v8_linux_nosnap_rel
> R=jarin@chromium.org
> BUG=v8:4470
> LOG=n
>
> Committed: https://crrev.com/3a0bf860b7177f7abef01ff308a53603389d958e
> Cr-Commit-Position: refs/heads/master@{#31340}

TBR=bmeurer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4470

Review URL: https://codereview.chromium.org/1408123002

Cr-Commit-Position: refs/heads/master@{#31341}
      5c534812
    • bmeurer's avatar
      [turbofan] Initial support for monomorphic/polymorphic property loads. · 3a0bf860
      bmeurer authored 
      Native context specialization now lowers monomorphic and
polymorphic accesses to data and constant data properties on
object and/or prototype chain. We don't deal with accessors
yet, and we also completely ignore proxies (which is compatible
with what Crankshaft does).

The code is more or less the straightforward implementation. We
will need to refactor that and extract common patterns once the
remaining bits for full load/store support is in.

CQ_INCLUDE_TRYBOTS=tryserver.v8:v8_linux_nosnap_rel
R=jarin@chromium.org
BUG=v8:4470
LOG=n

Review URL: https://codereview.chromium.org/1396333010

Cr-Commit-Position: refs/heads/master@{#31340}
      3a0bf860
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