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  1. 24 Jan, 2019 1 commit
    • Mythri's avatar
      Reland "Change SetProperty/SetSuperProperty to infer language mode when possible" · e2846ea6
      Mythri authored 
      This is a reland of 0896599f with a fix for
failing layout test.

Original change's description:
> Change SetProperty/SetSuperProperty to infer language mode when possible
>
> In most cases, the language mode can be inferred from the closure and
> the context. Computing the language mode instead of passing it around
> simplifies the ICs and will make it possible to go towards lazily
> allocating feedback vectors. Currently ICs obtain the language mode from
> the feedback vectors and with lazy feedback allocation we may not always
> have feedback vectors. Since computing language mode is a bit expensive
> we want to defer it as far as possible.
>
> In Array builtins and other builtins like Reflect.Set we need to force a
> language mode when setting the properties. To support these cases the
> SetProperty methods allow the language mode to be overridden when needed.
>
> This is a first cl in a series of cls, that will defer the language mode
> computation further and remove language mode where it is not needed.
>
> BUG: v8:8580
> Change-Id: I9c2396e3bcfe77c3c9d6760c46d86954d54744b9
> Reviewed-on: https://chromium-review.googlesource.com/c/1409426
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58893}

TBR: ahaas@chromium.org
Change-Id: Id5d81eae91b55638dbc72168f0e5203e684869fb
Reviewed-on: https://chromium-review.googlesource.com/c/1421077
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: 's avatarRoss McIlroy <rmcilroy@chromium.org>
Reviewed-by: 's avatarJakob Gruber <jgruber@chromium.org>
Reviewed-by: 's avatarToon Verwaest <verwaest@chromium.org>
Reviewed-by: 's avatarMichael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59075}
      e2846ea6
  3. 18 Jan, 2019 1 commit
    • Maya Lekova's avatar
      Revert "Change SetProperty/SetSuperProperty to infer language mode when possible" · 697885b9
      Maya Lekova authored 
      This reverts commit 0896599f.

Reason for revert: Speculative revert, seems to cause a layout test failure blocking the LKGR - https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8-Blink%20Linux%2064/29320

Original change's description:
> Change SetProperty/SetSuperProperty to infer language mode when possible
> 
> In most cases, the language mode can be inferred from the closure and
> the context. Computing the language mode instead of passing it around
> simplifies the ICs and will make it possible to go towards lazily
> allocating feedback vectors. Currently ICs obtain the language mode from
> the feedback vectors and with lazy feedback allocation we may not always
> have feedback vectors. Since computing language mode is a bit expensive
> we want to defer it as far as possible.
> 
> In Array builtins and other builtins like Reflect.Set we need to force a
> language mode when setting the properties. To support these cases the
> SetProperty methods allow the language mode to be overridden when needed.
> 
> This is a first cl in a series of cls, that will defer the language mode
> computation further and remove language mode where it is not needed.
> 
> BUG: v8:8580
> Change-Id: I9c2396e3bcfe77c3c9d6760c46d86954d54744b9
> Reviewed-on: https://chromium-review.googlesource.com/c/1409426
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58893}

TBR=mlippautz@chromium.org,mythria@chromium.org,jgruber@chromium.org,verwaest@chromium.org

Change-Id: I2e0f80a4577a8ca86c05a62205f9dfa488418a52
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/1420758Reviewed-by: 's avatarMaya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58911}
      697885b9
  5. 17 Jan, 2019 1 commit
    • Mythri's avatar
      Change SetProperty/SetSuperProperty to infer language mode when possible · 0896599f
      Mythri authored 
      In most cases, the language mode can be inferred from the closure and
the context. Computing the language mode instead of passing it around
simplifies the ICs and will make it possible to go towards lazily
allocating feedback vectors. Currently ICs obtain the language mode from
the feedback vectors and with lazy feedback allocation we may not always
have feedback vectors. Since computing language mode is a bit expensive
we want to defer it as far as possible.

In Array builtins and other builtins like Reflect.Set we need to force a
language mode when setting the properties. To support these cases the
SetProperty methods allow the language mode to be overridden when needed.

This is a first cl in a series of cls, that will defer the language mode
computation further and remove language mode where it is not needed.

BUG: v8:8580
Change-Id: I9c2396e3bcfe77c3c9d6760c46d86954d54744b9
Reviewed-on: https://chromium-review.googlesource.com/c/1409426Reviewed-by: 's avatarMichael Lippautz <mlippautz@chromium.org>
Reviewed-by: 's avatarJakob Gruber <jgruber@chromium.org>
Reviewed-by: 's avatarToon Verwaest <verwaest@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58893}
      0896599f
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