AuroraMiddleware/v8
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2ac6dae6fa
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Author SHA1 Message Date
Michael Achenbach
2ac6dae6fa Revert "Enable StringConcat bytecode." 
This reverts commit 189c8263e5.

Reason for revert: Lots of layout test changes:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/16607

Original change's description:
> Enable StringConcat bytecode.
> 
> BUG=v8:6243
> 
> Change-Id: Idb9aa8221248cc493c8f5ba4bd50fa712a57f5f8
> Reviewed-on: https://chromium-review.googlesource.com/541221
> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#46249}

TBR=rmcilroy@chromium.org,jgruber@chromium.org,leszeks@chromium.org

Change-Id: I3ce96264d8c0e183b02c0344b90275e207683f7a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:6243
Reviewed-on: https://chromium-review.googlesource.com/550157
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46261}
 2017-06-27 15:10:07 +00:00
Ross McIlroy
189c8263e5 Enable StringConcat bytecode. 
BUG=v8:6243

Change-Id: Idb9aa8221248cc493c8f5ba4bd50fa712a57f5f8
Reviewed-on: https://chromium-review.googlesource.com/541221
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46249}
 2017-06-27 12:23:15 +00:00
Ross McIlroy
905d7aaf91 [Interpreter] Add StringConcat bytecode. 
Special cases addition expressions where one of the sides is known to be a
string to enable chains of string additions to be transformed into a series
of ToPrimitiveToString operations followed by a single string concatenation 
at the end of the chain of additions. This should avoid creating temporary
strings for each of the string additions (in essence this is an automated
string builder).

BUG=v8:6243

Change-Id: I44977d6dad00ee906f251c4bd9cab27e160c09d1
Reviewed-on: https://chromium-review.googlesource.com/493966
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45453}
 2017-05-22 11:44:27 +00:00