Revert "[ia32] Optimize index calculation for certain checked load/stores."

Revert "[ia32] Optimize index calculation for certain checked load/stores."

This reverts commit 5c1babcc16e1b568d88af9eb4bc84e050e631039.

This seems to regress a range of benchmarks on ia32:
  Emscripten for Fannkuch, Zlib, MemOps, Life, Bullet
  AreWeFastYet for BulletLoadTime, Fasta, Fannkuch
  JetStream for towers.c, quicksort.c, gcc-loops.cpp, bigfib.cpp

BUG=673861
R=jarin@chromium.org,shiyu.zhang@intel.com

Committed: https://crrev.com/d40195e4f75e44f969b4ee15bf5fd87b383d0292
Cr-Commit-Position: refs/heads/master@{#41696}

[bradnelson, 2016-12-14 13:39:54]

The CQ bit was checked by bradnelson@chromium.org to run a CQ dry run

[bradn, 2016-12-14 13:39:57]

bradnelson@google.com changed reviewers:
+ bradnelson@google.com

[commit-bot: I haz the power, 2016-12-14 13:40:00]

Dry run: 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, 2016-12-14 13:43:29]

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

[commit-bot: I haz the power, 2016-12-14 13:43:30]

Dry run: Try jobs failed on following builders:
  v8_presubmit on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_presubmit/builds/30576)

[bradnelson, 2016-12-14 13:47:11]

The CQ bit was checked by bradnelson@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-14 13:47:20]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Jarin, 2016-12-14 13:57:39]

lgtm

[bradn, 2016-12-14 14:00:04]

The CQ bit was unchecked by bradnelson@google.com

[bradn, 2016-12-14 14:00:04]

The CQ bit was checked by bradnelson@google.com

[commit-bot: I haz the power, 2016-12-14 14:00:16]

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, 2016-12-14 14:11:24]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1481724004425260,
"parent_rev": "2991e97b72829b35aec785d31b905898bfd646ae", "commit_rev":
"fcb8d327ca551b6f4403975bd92b5a678349a287"}

[commit-bot: I haz the power, 2016-12-14 14:11:30]

Description was changed from

==========
Revert "[ia32] Optimize index calculation for certain checked load/stores."

This reverts commit 5c1babcc16e1b568d88af9eb4bc84e050e631039.

This seems to regress a range of benchmarks on ia32:
  Emscripten for Fannkuch, Zlib, MemOps, Life, Bullet
  AreWeFastYet for BulletLoadTime, Fasta, Fannkuch
  JetStream for towers.c, quicksort.c, gcc-loops.cpp, bigfib.cpp

BUG=673861
R=jarin@chromium.org,shiyu.zhang@intel.com
==========

to

==========
Revert "[ia32] Optimize index calculation for certain checked load/stores."

This reverts commit 5c1babcc16e1b568d88af9eb4bc84e050e631039.

This seems to regress a range of benchmarks on ia32:
  Emscripten for Fannkuch, Zlib, MemOps, Life, Bullet
  AreWeFastYet for BulletLoadTime, Fasta, Fannkuch
  JetStream for towers.c, quicksort.c, gcc-loops.cpp, bigfib.cpp

BUG=673861
R=jarin@chromium.org,shiyu.zhang@intel.com

Review-Url: https://codereview.chromium.org/2573983003
==========

[commit-bot: I haz the power, 2016-12-14 14:11:31]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-12-14 14:12:45]

Description was changed from

==========
Revert "[ia32] Optimize index calculation for certain checked load/stores."

This reverts commit 5c1babcc16e1b568d88af9eb4bc84e050e631039.

This seems to regress a range of benchmarks on ia32:
  Emscripten for Fannkuch, Zlib, MemOps, Life, Bullet
  AreWeFastYet for BulletLoadTime, Fasta, Fannkuch
  JetStream for towers.c, quicksort.c, gcc-loops.cpp, bigfib.cpp

BUG=673861
R=jarin@chromium.org,shiyu.zhang@intel.com

Review-Url: https://codereview.chromium.org/2573983003
==========

to

==========
Revert "[ia32] Optimize index calculation for certain checked load/stores."

This reverts commit 5c1babcc16e1b568d88af9eb4bc84e050e631039.

This seems to regress a range of benchmarks on ia32:
  Emscripten for Fannkuch, Zlib, MemOps, Life, Bullet
  AreWeFastYet for BulletLoadTime, Fasta, Fannkuch
  JetStream for towers.c, quicksort.c, gcc-loops.cpp, bigfib.cpp

BUG=673861
R=jarin@chromium.org,shiyu.zhang@intel.com

Committed: https://crrev.com/d40195e4f75e44f969b4ee15bf5fd87b383d0292
Cr-Commit-Position: refs/heads/master@{#41696}
==========

[commit-bot: I haz the power, 2016-12-14 14:12:46]

Patchset 2 (id:??) landed as
https://crrev.com/d40195e4f75e44f969b4ee15bf5fd87b383d0292
Cr-Commit-Position: refs/heads/master@{#41696}