[arm] Basic simulation of msr and mrs.

[arm] Basic simulation of msr and mrs.

Only CPSR_f is supported, and then only for the flags that we actually
simulate (NZCV). This isn't currently used, but will be useful for some
tests.

BUG=

Committed: https://crrev.com/6b6236587d87cb7247caa52935bd27a3cd069501
Cr-Commit-Position: refs/heads/master@{#34662}

[jbramley, 2016-03-09 11:28:04]

jacob.bramley@arm.com changed reviewers:
+ bmeurer@chromium.org, danno@chromium.org, jarin@chromium.org

[Jarin, 2016-03-09 16:36:34]

lgtm (mostly rubber-stamp)

[jbramley, 2016-03-10 11:19:33]

The CQ bit was checked by jacob.bramley@arm.com

[commit-bot: I haz the power, 2016-03-10 11:19:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1776933003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1776933003/1

[commit-bot: I haz the power, 2016-03-10 11:38:22]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-10 11:39:10]

Description was changed from

==========
[arm] Basic simulation of msr and mrs.

Only CPSR_f is supported, and then only for the flags that we actually
simulate (NZCV). This isn't currently used, but will be useful for some
tests.

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

to

==========
[arm] Basic simulation of msr and mrs.

Only CPSR_f is supported, and then only for the flags that we actually
simulate (NZCV). This isn't currently used, but will be useful for some
tests.

BUG=

Committed: https://crrev.com/6b6236587d87cb7247caa52935bd27a3cd069501
Cr-Commit-Position: refs/heads/master@{#34662}
==========

[commit-bot: I haz the power, 2016-03-10 11:39:11]

Patchset 1 (id:??) landed as
https://crrev.com/6b6236587d87cb7247caa52935bd27a3cd069501
Cr-Commit-Position: refs/heads/master@{#34662}