S390: Fix Mod64/ModU64 sequence

S390: Fix Mod64/ModU64 sequence

The CodeGenerator sequence for Mod64/ModU64 is incorrectly using
32-bit operations.  Fix Mod64/ModU64 to use 64-bit divides to calculate
the remainder.

Fix disassembly for DLR, which was reading the wrong bits for the two
register operands.

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

Committed: https://crrev.com/14570528745be33c583d23b441c0f3e7a4ea315a
Cr-Commit-Position: refs/heads/master@{#35121}

[JoranSiu, 2016-03-30 00:37:34]

The CQ bit was checked by joransiu@ca.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-30 00:37:39]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1839813006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1839813006/1

[john.yan, 2016-03-30 00:40:37]

lgtm

[commit-bot: I haz the power, 2016-03-30 00:58:29]

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

[commit-bot: I haz the power, 2016-03-30 00:58:30]

Dry run: This issue passed the CQ dry run.

[JoranSiu, 2016-03-30 01:06:30]

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

[commit-bot: I haz the power, 2016-03-30 01:06:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1839813006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1839813006/1

[commit-bot: I haz the power, 2016-03-30 01:08:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-30 01:08:35]

Description was changed from

==========
S390: Fix Mod64/ModU64 sequence

The CodeGenerator sequence for Mod64/ModU64 is incorrectly using
32-bit operations.  Fix Mod64/ModU64 to use 64-bit divides to calculate
the remainder.

Fix disassembly for DLR, which was reading the wrong bits for the two
register operands.

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

to

==========
S390: Fix Mod64/ModU64 sequence

The CodeGenerator sequence for Mod64/ModU64 is incorrectly using
32-bit operations.  Fix Mod64/ModU64 to use 64-bit divides to calculate
the remainder.

Fix disassembly for DLR, which was reading the wrong bits for the two
register operands.

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

Committed: https://crrev.com/14570528745be33c583d23b441c0f3e7a4ea315a
Cr-Commit-Position: refs/heads/master@{#35121}
==========

[commit-bot: I haz the power, 2016-03-30 01:08:36]

Patchset 1 (id:??) landed as
https://crrev.com/14570528745be33c583d23b441c0f3e7a4ea315a
Cr-Commit-Position: refs/heads/master@{#35121}