s390: optimize for int 64-bit operation and cleanup

s390: optimize for int 64-bit operation and cleanup

R=joransiu@ca.ibm.com, bjaideep@ca.ibm.com

Review-Url: https://codereview.chromium.org/2722313003
Cr-Commit-Position: refs/heads/master@{#43527}
Committed: https://chromium.googlesource.com/v8/v8/+/16bbc2fa43d99c1b39df6ade39a7e3bea3f26660

[john.yan, 2017-03-01 22:52:49]

ptal

[JoranSiu, 2017-03-01 23:04:09]

lgtm

[john.yan, 2017-03-01 23:05:18]

The CQ bit was checked by jyan@ca.ibm.com

[commit-bot: I haz the power, 2017-03-01 23:05:21]

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, 2017-03-01 23:30:22]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488409518276180, "parent_rev":
"12c2c15310eb0ef3d64b6bc46ae09fc6b74e464b", "commit_rev":
"16bbc2fa43d99c1b39df6ade39a7e3bea3f26660"}

[commit-bot: I haz the power, 2017-03-01 23:30:28]

Description was changed from

==========
s390: optimize for int 64-bit operation and cleanup

R=joransiu@ca.ibm.com, bjaideep@ca.ibm.com
==========

to

==========
s390: optimize for int 64-bit operation and cleanup

R=joransiu@ca.ibm.com, bjaideep@ca.ibm.com

Review-Url: https://codereview.chromium.org/2722313003
Cr-Commit-Position: refs/heads/master@{#43527}
Committed:
https://chromium.googlesource.com/v8/v8/+/16bbc2fa43d99c1b39df6ade39a7e3bea3f...
==========

[commit-bot: I haz the power, 2017-03-01 23:30:29]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/16bbc2fa43d99c1b39df6ade39a7e3bea3f...