PPC/s390: [ignition] Add call bytecodes for undefined receiver

PPC/s390: [ignition] Add call bytecodes for undefined receiver

Port 751e89359123df4f6e5f0b28b89fcdf63ed16a77

Original Commit Message:

    Adds a collection of call bytecodes which have an implicit undefined
    receiver argument, for cases such as global calls where we know that the
    receiver has to be undefined. This way we can skip an LdaUndefined,
    decrease bytecode register pressure, and set a more accurate
    ConvertReceiverMode on the interpreter and TurboFan call.

    As a side effect, the "normal" Call bytecode now becomes a rare case
    (only with calls and super property calls), so we get rid of its 0-2
    argument special cases and modify CallProperty[N] to use the
    NotNullOrUndefined ConvertReceiverMode.

R=leszeks@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2809743003
Cr-Commit-Position: refs/heads/master@{#44539}
Committed: https://chromium.googlesource.com/v8/v8/+/41b228057f89e73fbaae867177d523e60d4e92bc

[JaideepBajwa, 2017-04-10 20:21:19]

ptal

[john.yan, 2017-04-10 20:32:25]

lgtm

[JaideepBajwa, 2017-04-10 20:32:53]

The CQ bit was checked by bjaideep@ca.ibm.com

[commit-bot: I haz the power, 2017-04-10 20:32:57]

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, 2017-04-10 20:57:26]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491856373179150, "parent_rev":
"c252e3986eb9087c851f3f49ef3b366bba655974", "commit_rev":
"41b228057f89e73fbaae867177d523e60d4e92bc"}

[commit-bot: I haz the power, 2017-04-10 20:57:31]

Description was changed from

==========
PPC/s390: [ignition] Add call bytecodes for undefined receiver

Port 751e89359123df4f6e5f0b28b89fcdf63ed16a77

Original Commit Message:

    Adds a collection of call bytecodes which have an implicit undefined
    receiver argument, for cases such as global calls where we know that the
    receiver has to be undefined. This way we can skip an LdaUndefined,
    decrease bytecode register pressure, and set a more accurate
    ConvertReceiverMode on the interpreter and TurboFan call.

    As a side effect, the "normal" Call bytecode now becomes a rare case
    (only with calls and super property calls), so we get rid of its 0-2
    argument special cases and modify CallProperty[N] to use the
    NotNullOrUndefined ConvertReceiverMode.

R=leszeks@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=
LOG=N
==========

to

==========
PPC/s390: [ignition] Add call bytecodes for undefined receiver

Port 751e89359123df4f6e5f0b28b89fcdf63ed16a77

Original Commit Message:

    Adds a collection of call bytecodes which have an implicit undefined
    receiver argument, for cases such as global calls where we know that the
    receiver has to be undefined. This way we can skip an LdaUndefined,
    decrease bytecode register pressure, and set a more accurate
    ConvertReceiverMode on the interpreter and TurboFan call.

    As a side effect, the "normal" Call bytecode now becomes a rare case
    (only with calls and super property calls), so we get rid of its 0-2
    argument special cases and modify CallProperty[N] to use the
    NotNullOrUndefined ConvertReceiverMode.

R=leszeks@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2809743003
Cr-Commit-Position: refs/heads/master@{#44539}
Committed:
https://chromium.googlesource.com/v8/v8/+/41b228057f89e73fbaae867177d523e60d4...
==========

[commit-bot: I haz the power, 2017-04-10 20:57:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/41b228057f89e73fbaae867177d523e60d4...

[Michael Achenbach, 2017-04-11 06:43:09]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2809093002/ by machenbach@chromium.org.

The reason for reverting is: Need to revert:
https://chromium-review.googlesource.com/c/463287/.