[turbofan] Use "leal" in even more situations

[turbofan] Use "leal" in even more situations

Achieve more than parity with modes currently handled on ia32 in preparation for
porting the entire mechanism to ia32, including supporting mul of constants 3,
5 and 9 with "leal" instructions.

TEST=unittests

[danno, 2014-12-05 08:43:10]

danno@chromium.org changed reviewers:
+ bmeurer@chromium.org

[danno, 2014-12-05 08:43:11]

PTAL

[Benedikt Meurer, 2014-12-05 08:47:34]

This lea thing is really insane... LGTM

[Benedikt Meurer, 2014-12-05 09:36:08]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2014-12-05 09:36:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/774193003/120001

[commit-bot: I haz the power, 2014-12-05 09:38:27]

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

[commit-bot: I haz the power, 2014-12-05 09:38:28]

Try jobs failed on following builders:
  v8_linux64_rel on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_rel/builds/1663)
  v8_mac_rel on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/1756)

[danno, 2014-12-05 09:42:53]

The CQ bit was checked by danno@chromium.org

[commit-bot: I haz the power, 2014-12-05 09:43:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/774193003/160001

[commit-bot: I haz the power, 2014-12-05 09:46:17]

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

[commit-bot: I haz the power, 2014-12-05 09:46:18]

Try jobs failed on following builders:
  v8_linux_arm64_rel on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_linux_arm64_rel/builds/1566)

[danno, 2014-12-05 10:02:12]

The CQ bit was checked by danno@chromium.org

[commit-bot: I haz the power, 2014-12-05 10:02:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/774193003/160001

[commit-bot: I haz the power, 2014-12-05 10:13:07]

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

[commit-bot: I haz the power, 2014-12-05 10:13:08]

Try jobs failed on following builders:
  v8_win_compile_dbg on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_win_compile_dbg/builds/130)

[danno, 2014-12-05 10:33:49]

The CQ bit was checked by danno@chromium.org

[commit-bot: I haz the power, 2014-12-05 10:33:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/774193003/180001

[commit-bot: I haz the power, 2014-12-05 10:54:33]

Committed patchset #10 (id:180001)