PPC: [Atomics] Make Atomics.store a builtin using TF

PPC: [Atomics] Make Atomics.store a builtin using TF

Port 81cb841170dab08e3e3bc0256e867f9de17873f5

R=binji@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=v8:4614
LOG=N

Committed: https://crrev.com/df4125c57937511ee409c736691c52d829220d55
Cr-Commit-Position: refs/heads/master@{#36004}

[JaideepBajwa, 2016-05-03 22:46:39]

PTAL

[MTBrandyberry, 2016-05-04 01:44:51]

lgtm

[JaideepBajwa, 2016-05-04 04:25:55]

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

[commit-bot: I haz the power, 2016-05-04 04:26:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1951643002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1951643002/1

[commit-bot: I haz the power, 2016-05-04 04:46:40]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-04 04:49:15]

Description was changed from

==========
PPC: [Atomics] Make Atomics.store a builtin using TF

Port 81cb841170dab08e3e3bc0256e867f9de17873f5

R=binji@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=v8:4614
LOG=N
==========

to

==========
PPC: [Atomics] Make Atomics.store a builtin using TF

Port 81cb841170dab08e3e3bc0256e867f9de17873f5

R=binji@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=v8:4614
LOG=N

Committed: https://crrev.com/df4125c57937511ee409c736691c52d829220d55
Cr-Commit-Position: refs/heads/master@{#36004}
==========

[commit-bot: I haz the power, 2016-05-04 04:49:16]

Patchset 1 (id:??) landed as
https://crrev.com/df4125c57937511ee409c736691c52d829220d55
Cr-Commit-Position: refs/heads/master@{#36004}