Revert of [ia32] Fixes a bug in cmpw.

Revert of [ia32] Fixes a bug in cmpw. (patchset #3 id:40001 of https://codereview.chromium.org/2103713003/ )

Reason for revert:
Causes "buildbot failure in V8 on V8 Linux gcc 4.8, Check"

Original issue's description:
> [ia32] Fixes a bug in cmpw.
>
> The opcodes for 'cmpw r/m16, r16' and 'cmpw r16, r/m16' were swapped, causing a few issues when less than/greater than comparison were performed.
>
> Adds a regression test.
>
> BUG=621926
>
> Committed: https://crrev.com/efa7095e3e360fbadbe909d831ac11b268ca26b0
> Cr-Commit-Position: refs/heads/master@{#37339}

TBR=bmeurer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=621926
Committed: https://crrev.com/bcdd03159015fd6a24140b1cfc97c3ef3de50b69
Cr-Commit-Position: refs/heads/master@{#37342}

[epertoso, 2016-06-28 17:42:29]

The CQ bit was checked by epertoso@chromium.org

[epertoso, 2016-06-28 17:42:30]

Created Revert of [ia32] Fixes a bug in cmpw.

[commit-bot: I haz the power, 2016-06-28 17:42:38]

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, 2016-06-28 17:42:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-28 17:44:57]

Description was changed from

==========
Revert of [ia32] Fixes a bug in cmpw. (patchset #3 id:40001 of
https://codereview.chromium.org/2103713003/ )

Reason for revert:
Causes "buildbot failure in V8 on V8 Linux gcc 4.8, Check"

Original issue's description:
> [ia32] Fixes a bug in cmpw.
> 
> The opcodes for 'cmpw r/m16, r16' and 'cmpw r16, r/m16' were swapped, causing
a few issues when less than/greater than comparison were performed.
> 
> Adds a regression test.
> 
> BUG=621926
> 
> Committed: https://crrev.com/efa7095e3e360fbadbe909d831ac11b268ca26b0
> Cr-Commit-Position: refs/heads/master@{#37339}

TBR=bmeurer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=621926
==========

to

==========
Revert of [ia32] Fixes a bug in cmpw. (patchset #3 id:40001 of
https://codereview.chromium.org/2103713003/ )

Reason for revert:
Causes "buildbot failure in V8 on V8 Linux gcc 4.8, Check"

Original issue's description:
> [ia32] Fixes a bug in cmpw.
>
> The opcodes for 'cmpw r/m16, r16' and 'cmpw r16, r/m16' were swapped, causing
a few issues when less than/greater than comparison were performed.
>
> Adds a regression test.
>
> BUG=621926
>
> Committed: https://crrev.com/efa7095e3e360fbadbe909d831ac11b268ca26b0
> Cr-Commit-Position: refs/heads/master@{#37339}

TBR=bmeurer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=621926

Committed: https://crrev.com/bcdd03159015fd6a24140b1cfc97c3ef3de50b69
Cr-Commit-Position: refs/heads/master@{#37342}
==========

[commit-bot: I haz the power, 2016-06-28 17:44:58]

Patchset 1 (id:??) landed as
https://crrev.com/bcdd03159015fd6a24140b1cfc97c3ef3de50b69
Cr-Commit-Position: refs/heads/master@{#37342}