X87: [Interpreter] Fix GenerateSmiToDouble to avoid assuming it is called from a JSFrame.

X87: [Interpreter] Fix GenerateSmiToDouble to avoid assuming it is called from a JSFrame.

  port 471893ccec1b280453bf49b8bba9f6331ee2b41b (r36649)

  original commit message:
  GenerateSmiToDouble on ia32 assumes that it is called from a JSFrame and can restore
  the context from the StandardFrameConstants::kContextObject. In the case of the
  interpreter it is called from a interpreter handler stub frame which doesn't
  push the context onto it's frame. Instead, push and pop esi to explicitly restore it
  correctly.

BUG=

Committed: https://crrev.com/c2ce1bf2ab02dace80b2abc3cabbd83696801743
Cr-Commit-Position: refs/heads/master@{#36702}

[zhengxing.li, 2016-06-03 09:08:28]

zhengxing.li@intel.com changed reviewers:
+ chunyang.dai@intel.com, rmcilroy@chromium.org, weiliang.lin@intel.com

[zhengxing.li, 2016-06-03 09:08:29]

PTAL, thanks!

[Weiliang, 2016-06-03 09:09:42]

lgtm

[zhengxing.li, 2016-06-03 09:11:41]

The CQ bit was checked by zhengxing.li@intel.com

[commit-bot: I haz the power, 2016-06-03 09:11:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2036083003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2036083003/1

[commit-bot: I haz the power, 2016-06-03 09:36:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-03 09:38:13]

Description was changed from

==========
X87: [Interpreter] Fix GenerateSmiToDouble to avoid assuming it is called from a
JSFrame.

  port 471893ccec1b280453bf49b8bba9f6331ee2b41b (r36649)

  original commit message:
  GenerateSmiToDouble on ia32 assumes that it is called from a JSFrame and can
restore
  the context from the StandardFrameConstants::kContextObject. In the case of
the
  interpreter it is called from a interpreter handler stub frame which doesn't
  push the context onto it's frame. Instead, push and pop esi to explicitly
restore it
  correctly.

BUG=
==========

to

==========
X87: [Interpreter] Fix GenerateSmiToDouble to avoid assuming it is called from a
JSFrame.

  port 471893ccec1b280453bf49b8bba9f6331ee2b41b (r36649)

  original commit message:
  GenerateSmiToDouble on ia32 assumes that it is called from a JSFrame and can
restore
  the context from the StandardFrameConstants::kContextObject. In the case of
the
  interpreter it is called from a interpreter handler stub frame which doesn't
  push the context onto it's frame. Instead, push and pop esi to explicitly
restore it
  correctly.

BUG=

Committed: https://crrev.com/c2ce1bf2ab02dace80b2abc3cabbd83696801743
Cr-Commit-Position: refs/heads/master@{#36702}
==========

[commit-bot: I haz the power, 2016-06-03 09:38:14]

Patchset 1 (id:??) landed as
https://crrev.com/c2ce1bf2ab02dace80b2abc3cabbd83696801743
Cr-Commit-Position: refs/heads/master@{#36702}