[x64] Fix REX prefix in shufps

[x64] Fix REX prefix in shufps

BUG=

Review-Url: https://codereview.chromium.org/2652793004
Cr-Commit-Position: refs/heads/master@{#42673}
Committed: https://chromium.googlesource.com/v8/v8/+/d28c04486bd5c415748cd00f5c21c92fb35dd025

[Jing, 2017-01-25 05:33:34]

jing.bao@intel.com changed reviewers:
+ bbudge@chromium.org

[Jing, 2017-01-25 05:33:35]

Hi,
x64 assembler currently emits a wrong REX prefix for shufps instruction. This is
a fix. Please take a look.

[bbudge, 2017-01-25 15:26:38]

lgtm

[Jing, 2017-01-26 01:36:12]

The CQ bit was checked by jing.bao@intel.com

[commit-bot: I haz the power, 2017-01-26 01:36:24]

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, 2017-01-26 01:38:18]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485394572842670, "parent_rev":
"a81fbe802a605a4f098b2df00e9d60eabeac5168", "commit_rev":
"d28c04486bd5c415748cd00f5c21c92fb35dd025"}

[commit-bot: I haz the power, 2017-01-26 01:38:25]

Description was changed from

==========
[x64] Fix REX prefix in shufps

BUG=
==========

to

==========
[x64] Fix REX prefix in shufps

BUG=

Review-Url: https://codereview.chromium.org/2652793004
Cr-Commit-Position: refs/heads/master@{#42673}
Committed:
https://chromium.googlesource.com/v8/v8/+/d28c04486bd5c415748cd00f5c21c92fb35...
==========

[commit-bot: I haz the power, 2017-01-26 01:38:26]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/d28c04486bd5c415748cd00f5c21c92fb35...