[arm64][turbofan] Do not use ubfx for shr+and combination for mask=0.

[arm64][turbofan] Do not use ubfx for shr+and combination for mask=0.

R=titzer@chromium.org, v8-arm-ports@googlegroups.com
BUG=v8:6046
Review-Url: https://codereview.chromium.org/2737493002
Cr-Commit-Position: refs/heads/master@{#43643}
Committed: https://chromium.googlesource.com/v8/v8/+/040fa762dfa9d57b99588bb3b3219fe5215f271d

[ahaas, 2017-03-06 12:19:05]

The CQ bit was checked by ahaas@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-06 12:19:07]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[ahaas, 2017-03-06 12:28:04]

The CQ bit was checked by ahaas@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-06 12:28:07]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-06 12:54:04]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-06 12:54:05]

Dry run: This issue passed the CQ dry run.

[titzer, 2017-03-06 13:59:06]

On 2017/03/06 12:19:04, ahaas wrote:

lgtm

[ahaas, 2017-03-07 14:19:40]

The CQ bit was checked by ahaas@chromium.org

[commit-bot: I haz the power, 2017-03-07 14:19:53]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-07 14:54:06]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1488896380938350,
"parent_rev": "f0e7a3174e4470d04c923db577c6b238b2d20f09", "commit_rev":
"040fa762dfa9d57b99588bb3b3219fe5215f271d"}

[commit-bot: I haz the power, 2017-03-07 14:54:10]

Description was changed from

==========
[arm64][turbofan] Do not use ubfx for shr+and combination for mask=0.

R=titzer@chromium.org, v8-arm-ports@googlegroups.com
BUG=v8:6046
==========

to

==========
[arm64][turbofan] Do not use ubfx for shr+and combination for mask=0.

R=titzer@chromium.org, v8-arm-ports@googlegroups.com
BUG=v8:6046

Review-Url: https://codereview.chromium.org/2737493002
Cr-Commit-Position: refs/heads/master@{#43643}
Committed:
https://chromium.googlesource.com/v8/v8/+/040fa762dfa9d57b99588bb3b3219fe5215...
==========

[commit-bot: I haz the power, 2017-03-07 14:54:11]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/040fa762dfa9d57b99588bb3b3219fe5215...