[compiler,modules] Introduce JS operators for module loads and stores.

[compiler,modules] Introduce JS operators for module loads and stores.

With this CL, the bytecode graph builder no longer translates module
loads/stores as runtime calls but in terms of two new JS operators.  These are
lowered in typed-lowering to a sequence of LoadField's.

R=bmeurer@chromium.org
CC=adamk@chromium.org
BUG=v8:1569
Committed: https://crrev.com/a9f593ef6ba936f07c034ce74e93a1bd9507df5f
Cr-Commit-Position: refs/heads/master@{#40881}

[Benedikt Meurer, 2016-11-10 09:43:13]

As per offline discussion, this is LGTM.

[neis, 2016-11-10 09:44:59]

The CQ bit was checked by neis@chromium.org

[commit-bot: I haz the power, 2016-11-10 09:45:03]

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, 2016-11-10 09:50:53]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-11-10 09:50:54]

Try jobs failed on following builders:
  v8_linux64_gyp_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_gyp_rel_ng/build...)

[neis, 2016-11-10 09:54:16]

The CQ bit was checked by neis@chromium.org

[neis, 2016-11-10 09:54:16]

The patchset sent to the CQ was uploaded after l-g-t-m from bmeurer@chromium.org
Link to the patchset: https://codereview.chromium.org/2489863003/#ps20001
(title: "Remove unused variable.")

[commit-bot: I haz the power, 2016-11-10 09:54:23]

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, 2016-11-10 10:21:10]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-17 22:28:29]

Description was changed from

==========
[compiler,modules] Introduce JS operators for module loads and stores.

With this CL, the bytecode graph builder no longer translates module
loads/stores as runtime calls but in terms of two new JS operators.  These are
lowered in typed-lowering to a sequence of LoadField's.

R=bmeurer@chromium.org
CC=adamk@chromium.org
BUG=v8:1569
==========

to

==========
[compiler,modules] Introduce JS operators for module loads and stores.

With this CL, the bytecode graph builder no longer translates module
loads/stores as runtime calls but in terms of two new JS operators.  These are
lowered in typed-lowering to a sequence of LoadField's.

R=bmeurer@chromium.org
CC=adamk@chromium.org
BUG=v8:1569

Committed: https://crrev.com/a9f593ef6ba936f07c034ce74e93a1bd9507df5f
Cr-Commit-Position: refs/heads/master@{#40881}
==========

[commit-bot: I haz the power, 2016-11-17 22:28:35]

Patchset 2 (id:??) landed as
https://crrev.com/a9f593ef6ba936f07c034ce74e93a1bd9507df5f
Cr-Commit-Position: refs/heads/master@{#40881}