[SubZero] Fix code generation of AtomicCmpxchg

[SubZero] Fix code generation of AtomicCmpxchg

The patch fixes a code generation issue occurred in the 2nd iteration of LL-SC loop.

R=stichnot@chromium.org

Committed: https://gerrit.chromium.org/gerrit/gitweb?p=native_client/pnacl-subzero.git;a=commit;h=fc8f6bfae75430b00d8d6fbf78e62da4c3abed9d

[jaydeep.patil, 2017-01-25 06:58:34]

Description was changed from

==========
[SubZero] Fix code generation of AtomicCmpxchg

The patch fixes a code generation issue occurred in the 2nd iteration of LL-SC
loop.
==========

to

==========
[SubZero] Fix code generation of AtomicCmpxchg

The patch fixes a code generation issue occurred in the 2nd iteration of LL-SC
loop.
==========

[jaydeep.patil, 2017-01-25 06:58:34]

jaydeep.patil@imgtec.com changed reviewers:
+ eholk@chromium.org, jpp@chromium.org, kschimpf@google.com,
makdstefan@gmail.com, sagar.thakur@imgtec.com, stichnot@chromium.org

[Jim Stichnoth, 2017-01-25 16:01:38]

lgtm

[Jim Stichnoth, 2017-01-26 06:53:12]

Description was changed from

==========
[SubZero] Fix code generation of AtomicCmpxchg

The patch fixes a code generation issue occurred in the 2nd iteration of LL-SC
loop.
==========

to

==========
[SubZero] Fix code generation of AtomicCmpxchg

The patch fixes a code generation issue occurred in the 2nd iteration of LL-SC
loop.

R=stichnot@chromium.org

Committed:
https://gerrit.chromium.org/gerrit/gitweb?p=native_client/pnacl-subzero.git;a...
==========

[Jim Stichnoth, 2017-01-26 06:53:13]

Committed patchset #1 (id:1) manually as
fc8f6bfae75430b00d8d6fbf78e62da4c3abed9d (presubmit successful).