PPC: [wasm] Int64Lowering of I64Shl.

PPC: [wasm] Int64Lowering of I64Shl.

Port ddc626e1cf365261fa38cd3b91cbaf8b5e0444b9

Original commit message:
    I64Shl is lowered to a new turbofan operator, WasmWord64Shl. The new
    operator takes 3 inputs, the low-word input, the high-word input, and
    the shift, and produces 2 output, the low-word output and the high-word
    output.

R=ahaas@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/e36eba88f5c986c6ce8b277082a64d44ef624914
Cr-Commit-Position: refs/heads/master@{#34588}

[MTBrandyberry, 2016-03-08 05:00:25]

PTAL

[MTBrandyberry, 2016-03-08 05:01:53]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-08 05:02:04]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1765383004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1765383004/1

[commit-bot: I haz the power, 2016-03-08 05:18:46]

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

[commit-bot: I haz the power, 2016-03-08 05:18:47]

Dry run: This issue passed the CQ dry run.

[ahaas, 2016-03-08 09:02:17]

lgtm

[michael_dawson, 2016-03-08 12:34:10]

On 2016/03/08 09:02:17, ahaas wrote:
> lgtm

lgtm

[MTBrandyberry, 2016-03-08 14:47:28]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2016-03-08 14:47:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1765383004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1765383004/1

[commit-bot: I haz the power, 2016-03-08 14:49:42]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-08 14:50:14]

Description was changed from

==========
PPC: [wasm] Int64Lowering of I64Shl.

Port ddc626e1cf365261fa38cd3b91cbaf8b5e0444b9

Original commit message:
    I64Shl is lowered to a new turbofan operator, WasmWord64Shl. The new
    operator takes 3 inputs, the low-word input, the high-word input, and
    the shift, and produces 2 output, the low-word output and the high-word
    output.

R=ahaas@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=
==========

to

==========
PPC: [wasm] Int64Lowering of I64Shl.

Port ddc626e1cf365261fa38cd3b91cbaf8b5e0444b9

Original commit message:
    I64Shl is lowered to a new turbofan operator, WasmWord64Shl. The new
    operator takes 3 inputs, the low-word input, the high-word input, and
    the shift, and produces 2 output, the low-word output and the high-word
    output.

R=ahaas@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/e36eba88f5c986c6ce8b277082a64d44ef624914
Cr-Commit-Position: refs/heads/master@{#34588}
==========

[commit-bot: I haz the power, 2016-03-08 14:50:15]

Patchset 1 (id:??) landed as
https://crrev.com/e36eba88f5c986c6ce8b277082a64d44ef624914
Cr-Commit-Position: refs/heads/master@{#34588}