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  1. 30 Dec, 2015 3 commits
    • mbrandy's avatar
      PPC: Refine "[ic] Fixed receiver_map register trashing in KeyedStoreIC megamorphic." · 49e25ff4
      mbrandy authored 
      Do not abstract r0 as a general scratch register -- usage is valid
only in short, localized sequences (since its value may be altered
implicitly by some macro operations).

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=chromium:571370
LOG=N

Review URL: https://codereview.chromium.org/1556643002

Cr-Commit-Position: refs/heads/master@{#33062}
      49e25ff4
    • bmeurer's avatar
      [runtime] Migrate Object.create to C++. · 6a51d311
      bmeurer authored 
      There's no point in keeping the ObjectCreate JavaScript wrapper
function, which even does allocation site pretenuring for the
instances created via Object.create (where ObjectCreate itself is
the AllocationSite), and does not offer any sane way forward.

Instead introduce a new ObjectCreate C++ builtin, which currently
serves as a baseline implementation, on top of which we can think
about ways to optimize Object.create for the common case (i.e.
frameworks such as Ember.js make heavy use of Object.create).

R=cbruni@chromium.org
TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/1558433002

Cr-Commit-Position: refs/heads/master@{#33061}
      6a51d311
    • v8-autoroll's avatar
      Update V8 DEPS. · 5a49eb01
      v8-autoroll authored 
      Rolling v8/tools/clang to d1e1de24f0e66c2f5a8b865c8ffb4042793286e9

TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org

Review URL: https://codereview.chromium.org/1551053002

Cr-Commit-Position: refs/heads/master@{#33060}
      5a49eb01
  3. 29 Dec, 2015 8 commits
  5. 28 Dec, 2015 7 commits
  7. 27 Dec, 2015 2 commits
    • bmeurer's avatar
      [runtime] Introduce dedicated JSBoundFunction to represent bound functions. · 97def807
      bmeurer authored 
      According to the ES2015 specification, bound functions are exotic
objects, and thus don't need to be implemented as JSFunctions. So
we introduce a new JSBoundFunction type to represent bound functions
and make them optimizable. This already improves the performance of
calling or constructing bound functions by 10-100x depending on the
use case because we avoid the crazy dance between JavaScript and C++
that was implemented in v8natives.js previously.

There's still room for improvement in the performance of actually
creating bound functions, which is also relevant in practice, but
we already have a plan how to accomplish that later.

The mips/mips64 ports were contributed by akos.palfi@imgtec.com.

CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel
BUG=chromium:535408, chromium:571299, v8:4629
LOG=n

Committed: https://crrev.com/ca8623eaa468cba65a5adafcdfb4615966f43ce2
Cr-Commit-Position: refs/heads/master@{#33042}

Review URL: https://codereview.chromium.org/1542963002

Cr-Commit-Position: refs/heads/master@{#33044}
      97def807
    • bmeurer's avatar
      Revert of [runtime] Introduce dedicated JSBoundFunction to represent bound... · 1cf8b105
      bmeurer authored 
      Revert of [runtime] Introduce dedicated JSBoundFunction to represent bound functions. (patchset #14 id:260001 of https://codereview.chromium.org/1542963002/ )

Reason for revert:
Breaks arm64 sim nosnap: https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20nosnap%20-%20debug/builds/805/steps/Check/logs/function-bind

Original issue's description:
> [runtime] Introduce dedicated JSBoundFunction to represent bound functions.
>
> According to the ES2015 specification, bound functions are exotic
> objects, and thus don't need to be implemented as JSFunctions. So
> we introduce a new JSBoundFunction type to represent bound functions
> and make them optimizable. This already improves the performance of
> calling or constructing bound functions by 10-100x depending on the
> use case because we avoid the crazy dance between JavaScript and C++
> that was implemented in v8natives.js previously.
>
> There's still room for improvement in the performance of actually
> creating bound functions, which is also relevant in practice, but
> we already have a plan how to accomplish that later.
>
> The mips/mips64 ports were contributed by akos.palfi@imgtec.com.
>
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel
> BUG=chromium:535408, chromium:571299, v8:4629
> LOG=n
>
> Committed: https://crrev.com/ca8623eaa468cba65a5adafcdfb4615966f43ce2
> Cr-Commit-Position: refs/heads/master@{#33042}

TBR=cbruni@chromium.org,hpayer@chromium.org,yangguo@chromium.org,akos.palfi@imgtec.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:535408, chromium:571299, v8:4629

Review URL: https://codereview.chromium.org/1552473002

Cr-Commit-Position: refs/heads/master@{#33043}
      1cf8b105
  9. 26 Dec, 2015 2 commits
    • bmeurer's avatar
      [runtime] Introduce dedicated JSBoundFunction to represent bound functions. · ca8623ea
      bmeurer authored 
      According to the ES2015 specification, bound functions are exotic
objects, and thus don't need to be implemented as JSFunctions. So
we introduce a new JSBoundFunction type to represent bound functions
and make them optimizable. This already improves the performance of
calling or constructing bound functions by 10-100x depending on the
use case because we avoid the crazy dance between JavaScript and C++
that was implemented in v8natives.js previously.

There's still room for improvement in the performance of actually
creating bound functions, which is also relevant in practice, but
we already have a plan how to accomplish that later.

The mips/mips64 ports were contributed by akos.palfi@imgtec.com.

CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel
BUG=chromium:535408, chromium:571299, v8:4629
LOG=n

Review URL: https://codereview.chromium.org/1542963002

Cr-Commit-Position: refs/heads/master@{#33042}
      ca8623ea
    • v8-autoroll's avatar
      Update V8 DEPS. · 61b31128
      v8-autoroll authored 
      Rolling v8/tools/clang to 48322a540c208cda85790c2a6df4c4d335b191e1

TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org

Review URL: https://codereview.chromium.org/1552433002

Cr-Commit-Position: refs/heads/master@{#33041}
      61b31128
  11. 25 Dec, 2015 1 commit
  13. 24 Dec, 2015 6 commits
  15. 23 Dec, 2015 11 commits