X87: [Atomics] Fix disassembly for ia32 xchg_b and xchg_w.

X87: [Atomics] Fix disassembly for ia32 xchg_b and xchg_w.

  port af677d7b34df41c6e65558a925b2b33398b38c30 (r35998)

  original commit message:
  https://codereview.chromium.org/1938213002 added xchg_b and xchg_w, but didn't
  add it to the disassembler, and there were no tests that caught it.

BUG=

Committed: https://crrev.com/e8c7592c5e01aac31960956b1358f2c39119c9ec
Cr-Commit-Position: refs/heads/master@{#36051}

[zhengxing.li, 2016-05-04 05:44:33]

zhengxing.li@intel.com changed reviewers:
+ binji@chromium.org, chunyang.dai@intel.com, weiliang.lin@intel.com

[zhengxing.li, 2016-05-04 05:44:33]

PTAL, thanks!

[Weiliang, 2016-05-05 02:06:18]

lgtm

[zhengxing.li, 2016-05-05 03:23:17]

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

[commit-bot: I haz the power, 2016-05-05 03:23:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1947843002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1947843002/1

[commit-bot: I haz the power, 2016-05-05 19:06:31]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-05 19:07:57]

Description was changed from

==========
X87: [Atomics] Fix disassembly for ia32 xchg_b and xchg_w.

  port af677d7b34df41c6e65558a925b2b33398b38c30 (r35998)

  original commit message:
  https://codereview.chromium.org/1938213002 added xchg_b and xchg_w, but didn't
  add it to the disassembler, and there were no tests that caught it.

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

to

==========
X87: [Atomics] Fix disassembly for ia32 xchg_b and xchg_w.

  port af677d7b34df41c6e65558a925b2b33398b38c30 (r35998)

  original commit message:
  https://codereview.chromium.org/1938213002 added xchg_b and xchg_w, but didn't
  add it to the disassembler, and there were no tests that caught it.

BUG=

Committed: https://crrev.com/e8c7592c5e01aac31960956b1358f2c39119c9ec
Cr-Commit-Position: refs/heads/master@{#36051}
==========

[commit-bot: I haz the power, 2016-05-05 19:07:58]

Patchset 1 (id:??) landed as
https://crrev.com/e8c7592c5e01aac31960956b1358f2c39119c9ec
Cr-Commit-Position: refs/heads/master@{#36051}