[ia32] Fix invalid DCHECK on cmpw with immediate.

[ia32] Fix invalid DCHECK on cmpw with immediate.

The immediate passed to cmpw can be either a signed 16-bit or an
unsigned 16-bit integer, but the DCHECK was testing for signed 16-bit
values only.

R=mstarzinger@chromium.org
BUG=v8:6063
Review-Url: https://codereview.chromium.org/2735363002
Cr-Commit-Position: refs/heads/master@{#43671}
Committed: https://chromium.googlesource.com/v8/v8/+/65607079453a9485e8bcc3902029a178f0b6f238

[Benedikt Meurer, 2017-03-08 12:38:48]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-08 12:38:52]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Michael Starzinger, 2017-03-08 12:40:23]

LGTM.

[Benedikt Meurer, 2017-03-08 12:40:41]

The CQ bit was unchecked by bmeurer@chromium.org

[Benedikt Meurer, 2017-03-08 12:40:44]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2017-03-08 12:40:53]

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, 2017-03-08 13:04:46]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488976844550160, "parent_rev":
"215af922ca00c29e44ad474c3ea5281fb2b50c3e", "commit_rev":
"65607079453a9485e8bcc3902029a178f0b6f238"}

[commit-bot: I haz the power, 2017-03-08 13:04:51]

Description was changed from

==========
[ia32] Fix invalid DCHECK on cmpw with immediate.

The immediate passed to cmpw can be either a signed 16-bit or an
unsigned 16-bit integer, but the DCHECK was testing for signed 16-bit
values only.

R=mstarzinger@chromium.org
BUG=v8:6063
==========

to

==========
[ia32] Fix invalid DCHECK on cmpw with immediate.

The immediate passed to cmpw can be either a signed 16-bit or an
unsigned 16-bit integer, but the DCHECK was testing for signed 16-bit
values only.

R=mstarzinger@chromium.org
BUG=v8:6063

Review-Url: https://codereview.chromium.org/2735363002
Cr-Commit-Position: refs/heads/master@{#43671}
Committed:
https://chromium.googlesource.com/v8/v8/+/65607079453a9485e8bcc3902029a178f0b...
==========

[commit-bot: I haz the power, 2017-03-08 13:04:52]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/65607079453a9485e8bcc3902029a178f0b...