PPC/s390: Implement VisitFloat32Neg/VisitFloat64Neg and instr lcebr for s390

PPC/s390: Implement VisitFloat32Neg/VisitFloat64Neg and instr lcebr for s390

Implemented instruction selector functions VisitFloat32Neg/VisitFloat64Neg
for s390 and ppc. For s390 implemented instruction lcebr to load complement
for floatregisters.

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=
LOG=N

Committed: https://crrev.com/aa9b7b7683be97c0f09e191cb72b29a1f27efbdf
Cr-Commit-Position: refs/heads/master@{#38466}

[JaideepBajwa, 2016-08-08 22:01:33]

PTAL

[john.yan, 2016-08-08 22:51:42]

lgtm

[JaideepBajwa, 2016-08-08 23:58:54]

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

[commit-bot: I haz the power, 2016-08-08 23:58:59]

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, 2016-08-09 00:34:00]

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

[commit-bot: I haz the power, 2016-08-09 00:34:01]

Try jobs failed on following builders:
  v8_win_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_rel_ng/builds/12112)
  v8_win_rel_ng_triggered on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_rel_ng_triggered/bui...)

[JaideepBajwa, 2016-08-09 01:02:07]

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

[commit-bot: I haz the power, 2016-08-09 01:02:11]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[john.yan, 2016-08-09 02:24:03]

https://codereview.chromium.org/2226103002/diff/1/src/s390/simulator-s390.cc
File src/s390/simulator-s390.cc (right):

https://codereview.chromium.org/2226103002/diff/1/src/s390/simulator-s390.cc#...
src/s390/simulator-s390.cc:8538: set_d_register_from_double(r1, db_val);
I guess we need to set the condition code for this too?

[commit-bot: I haz the power, 2016-08-09 06:46:59]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-09 06:49:30]

Description was changed from

==========
PPC/s390: Implement VisitFloat32Neg/VisitFloat64Neg and instr lcebr for s390

Implemented instruction selector functions VisitFloat32Neg/VisitFloat64Neg
for s390 and ppc. For s390 implemented instruction lcebr to load complement
for floatregisters.

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com,
mbrandy@us.ibm.com

BUG=
LOG=N
==========

to

==========
PPC/s390: Implement VisitFloat32Neg/VisitFloat64Neg and instr lcebr for s390

Implemented instruction selector functions VisitFloat32Neg/VisitFloat64Neg
for s390 and ppc. For s390 implemented instruction lcebr to load complement
for floatregisters.

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com,
mbrandy@us.ibm.com

BUG=
LOG=N

Committed: https://crrev.com/aa9b7b7683be97c0f09e191cb72b29a1f27efbdf
Cr-Commit-Position: refs/heads/master@{#38466}
==========

[commit-bot: I haz the power, 2016-08-09 06:49:31]

Patchset 1 (id:??) landed as
https://crrev.com/aa9b7b7683be97c0f09e191cb72b29a1f27efbdf
Cr-Commit-Position: refs/heads/master@{#38466}