Revert of [turbofan] Add alignment parameter to StackSlot operator

Revert of [turbofan] Add alignment parameter to StackSlot operator (patchset #7 id:120001 of https://codereview.chromium.org/2816743003/ )

Reason for revert:
Seems to break cfi:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20cfi/builds/9989

Original issue's description:
> [turbofan] Add alignment parameter to StackSlot operator
> 
> If alignment parameter is set, the memory returned by the
> StackSlot operator will be aligned according to the parameter.
> 
> The implementation goes like this. If alignment parameter is set
> we allocate a bit more memory than actually needed and so we
> can move the beginning of the StackSlot in order to have it aligned.
> 
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2816743003
> Cr-Commit-Position: refs/heads/master@{#45197}
> Committed: https://chromium.googlesource.com/v8/v8/+/d8bfdb7a998adadc56aa5705a5998e75ceae7675

TBR=ahaas@chromium.org,clemensh@chromium.org,titzer@chromium.org,bmeurer@chromium.org,ivica.bogosavljevic@imgtec.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2867403002
Cr-Commit-Position: refs/heads/master@{#45203}
Committed: https://chromium.googlesource.com/v8/v8/+/63c5dd5dd4dbc097f831a38861bc041873f2116f

[Michael Achenbach, 2017-05-09 16:13:35]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2017-05-09 16:13:35]

Created Revert of [turbofan] Add alignment parameter to StackSlot operator

[commit-bot: I haz the power, 2017-05-09 16:13:42]

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, 2017-05-09 16:13:52]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494346415042640, "parent_rev":
"4a4699edac3a6610f97904a15806075e5a019387", "commit_rev":
"63c5dd5dd4dbc097f831a38861bc041873f2116f"}

[commit-bot: I haz the power, 2017-05-09 16:13:58]

Description was changed from

==========
Revert of [turbofan] Add alignment parameter to StackSlot operator (patchset #7
id:120001 of https://codereview.chromium.org/2816743003/ )

Reason for revert:
Seems to break cfi:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20cfi/builds...

Original issue's description:
> [turbofan] Add alignment parameter to StackSlot operator
> 
> If alignment parameter is set, the memory returned by the
> StackSlot operator will be aligned according to the parameter.
> 
> The implementation goes like this. If alignment parameter is set
> we allocate a bit more memory than actually needed and so we
> can move the beginning of the StackSlot in order to have it aligned.
> 
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2816743003
> Cr-Commit-Position: refs/heads/master@{#45197}
> Committed:
https://chromium.googlesource.com/v8/v8/+/d8bfdb7a998adadc56aa5705a5998e75cea...

TBR=ahaas@chromium.org,clemensh@chromium.org,titzer@chromium.org,bmeurer@chro...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
==========

to

==========
Revert of [turbofan] Add alignment parameter to StackSlot operator (patchset #7
id:120001 of https://codereview.chromium.org/2816743003/ )

Reason for revert:
Seems to break cfi:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20cfi/builds...

Original issue's description:
> [turbofan] Add alignment parameter to StackSlot operator
> 
> If alignment parameter is set, the memory returned by the
> StackSlot operator will be aligned according to the parameter.
> 
> The implementation goes like this. If alignment parameter is set
> we allocate a bit more memory than actually needed and so we
> can move the beginning of the StackSlot in order to have it aligned.
> 
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2816743003
> Cr-Commit-Position: refs/heads/master@{#45197}
> Committed:
https://chromium.googlesource.com/v8/v8/+/d8bfdb7a998adadc56aa5705a5998e75cea...

TBR=ahaas@chromium.org,clemensh@chromium.org,titzer@chromium.org,bmeurer@chro...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2867403002
Cr-Commit-Position: refs/heads/master@{#45203}
Committed:
https://chromium.googlesource.com/v8/v8/+/63c5dd5dd4dbc097f831a38861bc041873f...
==========

[commit-bot: I haz the power, 2017-05-09 16:14:00]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/63c5dd5dd4dbc097f831a38861bc041873f...