X87: [turbofan] Improve codegen for 8- and 16-bit memory comparisons on Intel platforms (reland).

X87: [turbofan] Improve codegen for 8- and 16-bit memory comparisons on Intel platforms (reland).

  port 95a9b7611596865d2bea23fde24d0687d8ad0721 (r42344)

  original commit message:
  Recognize and emit in-memory comparisons of 8-bit and 16-bit values with
  immediate values that fit.

BUG=

Review-Url: https://codereview.chromium.org/2651553002
Cr-Commit-Position: refs/heads/master@{#42585}
Committed: https://chromium.googlesource.com/v8/v8/+/761df3ca528e5ed999e6ef4e90ebbad259005158

[zhengxing.li, 2017-01-23 01:44:32]

zhengxing.li@intel.com changed reviewers:
+ chunyang.dai@intel.com, danno@chromium.org

[zhengxing.li, 2017-01-23 01:44:32]

PTAL, thanks!

[chunyang.dai, 2017-01-23 02:06:55]

On 2017/01/23 01:44:32, zhengxing.li wrote:
> PTAL, thanks!

LGTM

thanks

[zhengxing.li, 2017-01-23 02:08:02]

The CQ bit was checked by zhengxing.li@intel.com

[commit-bot: I haz the power, 2017-01-23 02:08:06]

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, 2017-01-23 02:29:43]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485137282689520, "parent_rev":
"15623183e23e5d863d40d29427ea1eaca0774e72", "commit_rev":
"761df3ca528e5ed999e6ef4e90ebbad259005158"}

[commit-bot: I haz the power, 2017-01-23 02:29:48]

Description was changed from

==========
X87: [turbofan] Improve codegen for 8- and 16-bit memory comparisons on Intel
platforms (reland).

  port 95a9b7611596865d2bea23fde24d0687d8ad0721 (r42344)

  original commit message:
  Recognize and emit in-memory comparisons of 8-bit and 16-bit values with
  immediate values that fit.

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

to

==========
X87: [turbofan] Improve codegen for 8- and 16-bit memory comparisons on Intel
platforms (reland).

  port 95a9b7611596865d2bea23fde24d0687d8ad0721 (r42344)

  original commit message:
  Recognize and emit in-memory comparisons of 8-bit and 16-bit values with
  immediate values that fit.

BUG=

Review-Url: https://codereview.chromium.org/2651553002
Cr-Commit-Position: refs/heads/master@{#42585}
Committed:
https://chromium.googlesource.com/v8/v8/+/761df3ca528e5ed999e6ef4e90ebbad2590...
==========

[commit-bot: I haz the power, 2017-01-23 02:29:49]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/761df3ca528e5ed999e6ef4e90ebbad2590...