Force sequential parsing when threads=0.

Force sequential parsing when threads=0.

When threads=0, it doesn't pay to run a parallel parse, since each
parallel parse slows down parsing by requiring a copy of bits in the
function block.

BUG=None
R=stichnot@chromium.org

Committed: https://gerrit.chromium.org/gerrit/gitweb?p=native_client/pnacl-subzero.git;a=commit;h=3dd127e67b259fbd6d56ae05834b3c2da03e5219

[Karl, 2016-03-31 18:00:32]

Description was changed from

==========
Force sequential parsing when threads=0.

When threads=0, it doesn't pay to run a parallel parse, since each
parallel parse slows down parsing by requiring a copy of bits in the
function block.

BUG=None
==========

to

==========
Force sequential parsing when threads=0.

When threads=0, it doesn't pay to run a parallel parse, since each
parallel parse slows down parsing by requiring a copy of bits in the
function block.

BUG=None
==========

[Karl, 2016-03-31 18:00:33]

kschimpf@google.com changed reviewers:
+ eholk@chromium.org, jpp@chromium.org, sehr@chromium.org, stichnot@chromium.org

[Jim Stichnoth, 2016-03-31 18:05:09]

lgtm

https://codereview.chromium.org/1848873002/diff/1/src/IceClFlags.h
File src/IceClFlags.h (right):

https://codereview.chromium.org/1848873002/diff/1/src/IceClFlags.h#newcode133
src/IceClFlags.h:133: bool isParseParallel() {
const

[Karl, 2016-03-31 20:22:15]

Description was changed from

==========
Force sequential parsing when threads=0.

When threads=0, it doesn't pay to run a parallel parse, since each
parallel parse slows down parsing by requiring a copy of bits in the
function block.

BUG=None
==========

to

==========
Force sequential parsing when threads=0.

When threads=0, it doesn't pay to run a parallel parse, since each
parallel parse slows down parsing by requiring a copy of bits in the
function block.

BUG=None
R=stichnot@chromium.org

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

[Karl, 2016-03-31 20:22:16]

Committed patchset #1 (id:1) manually as
3dd127e67b259fbd6d56ae05834b3c2da03e5219 (presubmit successful).