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  1. 20 Apr, 2021 1 commit
    • Sathya Gunasekaran's avatar
      Reland "[ic] Add a new MegaDOM IC" · fbd114bd
      Sathya Gunasekaran authored 
      This is a reland of c83c9590

Changes since revert: nothing, issue was crbug.com/v8/11666

Original change's description:
> [ic] Add a new MegaDOM IC
>
> This patch implements the MegaDOM IC setup and access. A new MegaDOM
> IC state indicates that we've seen only DOM accessors at this access
> site.
>
> This CL only adds support for DOM getters in LoadIC, other kinds of
> access will be added in follow on CLs.
>
> Still remaining TODO before shipping:
> 1. Have a mechanism to invalidate the protector
> 2. Have a mechanism to find the accessors that aren't overloaded
> 3. Use a new builtin to miss to runtime on access check failure
>
> Change-Id: Ie12efe5e9fa284f023043b996d61e7d74e710ee2
> Bug: v8:11321
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2618239
> Reviewed-by: Omer Katz <omerkatz@chromium.org>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Dan Elphick <delphick@chromium.org>
> Reviewed-by: Mythri Alle <mythria@chromium.org>
> Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73733}

Bug: v8:11321
Change-Id: I2bec54465542b5b40c42adb6eb12b6ce72cce5bd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2794439Reviewed-by: 's avatarDan Elphick <delphick@chromium.org>
Reviewed-by: 's avatarMythri Alle <mythria@chromium.org>
Reviewed-by: 's avatarCamillo Bruni <cbruni@chromium.org>
Reviewed-by: 's avatarOmer Katz <omerkatz@chromium.org>
Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74056}
      fbd114bd
  3. 31 Mar, 2021 2 commits
    • Maya Lekova's avatar
      Revert "[ic] Add a new MegaDOM IC" · 3f8aa89e
      Maya Lekova authored 
      This reverts commit c83c9590.

Reason for revert: Speculatively reverting for a failure on Arm GC stress bot - https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Arm%20GC%20Stress/b8851256837192083520/overview

Original change's description:
> [ic] Add a new MegaDOM IC
>
> This patch implements the MegaDOM IC setup and access. A new MegaDOM
> IC state indicates that we've seen only DOM accessors at this access
> site.
>
> This CL only adds support for DOM getters in LoadIC, other kinds of
> access will be added in follow on CLs.
>
> Still remaining TODO before shipping:
> 1. Have a mechanism to invalidate the protector
> 2. Have a mechanism to find the accessors that aren't overloaded
> 3. Use a new builtin to miss to runtime on access check failure
>
> Change-Id: Ie12efe5e9fa284f023043b996d61e7d74e710ee2
> Bug: v8:11321
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2618239
> Reviewed-by: Omer Katz <omerkatz@chromium.org>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Dan Elphick <delphick@chromium.org>
> Reviewed-by: Mythri Alle <mythria@chromium.org>
> Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73733}

Bug: v8:11321
Change-Id: Ib6a55796f2a3c345d4923f9eaa215a6ff55ed15b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2794437
Auto-Submit: Maya Lekova <mslekova@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/master@{#73734}
      3f8aa89e
    • Sathya Gunasekaran's avatar
      [ic] Add a new MegaDOM IC · c83c9590
      Sathya Gunasekaran authored 
      This patch implements the MegaDOM IC setup and access. A new MegaDOM
IC state indicates that we've seen only DOM accessors at this access
site.

This CL only adds support for DOM getters in LoadIC, other kinds of
access will be added in follow on CLs.

Still remaining TODO before shipping:
1. Have a mechanism to invalidate the protector
2. Have a mechanism to find the accessors that aren't overloaded
3. Use a new builtin to miss to runtime on access check failure

Change-Id: Ie12efe5e9fa284f023043b996d61e7d74e710ee2
Bug: v8:11321
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2618239Reviewed-by: 's avatarOmer Katz <omerkatz@chromium.org>
Reviewed-by: 's avatarCamillo Bruni <cbruni@chromium.org>
Reviewed-by: 's avatarDan Elphick <delphick@chromium.org>
Reviewed-by: 's avatarMythri Alle <mythria@chromium.org>
Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73733}
      c83c9590
  5. 28 Apr, 2020 1 commit
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