PPC: [turbofan] Desugar JSUnaryNot(x) to Select(x, false, true).

PPC: [turbofan] Desugar JSUnaryNot(x) to Select(x, false, true).

Port 411c5b7fb09f76fca567c3deda3304f77eb3df2f

Original commit message:
    Also remove the ResultMode from ToBooleanStub and always return true or
    false and use the same mechanism in fullcodegen.  This is in preparation
    for adding ToBoolean hints to TurboFan.

    Drive-by-fix: We can use the power of the ToBooleanIC in TurboFan now
    that the ResultMode is gone (and the runtime always returns true or
    false from the miss handler).

R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=v8:4583
LOG=n

Committed: https://crrev.com/65d28d70cddf6bd757102368cf6716b5fd83005b
Cr-Commit-Position: refs/heads/master@{#32531}

[michael_dawson, 2015-12-02 21:10:22]

On 2015/12/02 19:23:16, mtbrandyberry wrote:

lgtm

[MTBrandyberry, 2015-12-02 21:12:21]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2015-12-02 21:12:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1490363003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1490363003/1

[commit-bot: I haz the power, 2015-12-02 21:37:43]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-02 21:40:16]

Description was changed from

==========
PPC: [turbofan] Desugar JSUnaryNot(x) to Select(x, false, true).

Port 411c5b7fb09f76fca567c3deda3304f77eb3df2f

Original commit message:
    Also remove the ResultMode from ToBooleanStub and always return true or
    false and use the same mechanism in fullcodegen.  This is in preparation
    for adding ToBoolean hints to TurboFan.

    Drive-by-fix: We can use the power of the ToBooleanIC in TurboFan now
    that the ResultMode is gone (and the runtime always returns true or
    false from the miss handler).

R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:4583
LOG=n
==========

to

==========
PPC: [turbofan] Desugar JSUnaryNot(x) to Select(x, false, true).

Port 411c5b7fb09f76fca567c3deda3304f77eb3df2f

Original commit message:
    Also remove the ResultMode from ToBooleanStub and always return true or
    false and use the same mechanism in fullcodegen.  This is in preparation
    for adding ToBoolean hints to TurboFan.

    Drive-by-fix: We can use the power of the ToBooleanIC in TurboFan now
    that the ResultMode is gone (and the runtime always returns true or
    false from the miss handler).

R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:4583
LOG=n

Committed: https://crrev.com/65d28d70cddf6bd757102368cf6716b5fd83005b
Cr-Commit-Position: refs/heads/master@{#32531}
==========

[commit-bot: I haz the power, 2015-12-02 21:40:17]

Patchset 1 (id:??) landed as
https://crrev.com/65d28d70cddf6bd757102368cf6716b5fd83005b
Cr-Commit-Position: refs/heads/master@{#32531}