simplify neon shifts

simplify neon shifts

These still generate vshr/vshl with immediates with both GCC and Clang.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2194953002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Based on https://codereview.chromium.org/2196773002

Committed: https://skia.googlesource.com/skia/+/79b59e6a3877068067395ff8bd711c5332eb22a9

[mtklein_C, 2016-07-29 17:59:30]

Description was changed from

==========
simplify neon shifts

These still generate vshr/vshl with immediates with both GCC and Clang.

BUG=skia:
==========

to

==========
simplify neon shifts

These still generate vshr/vshl with immediates with both GCC and Clang.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2194953002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
==========

[mtklein_C, 2016-07-29 17:59:41]

Description was changed from

==========
simplify neon shifts

These still generate vshr/vshl with immediates with both GCC and Clang.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2194953002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
==========

to

==========
simplify neon shifts

These still generate vshr/vshl with immediates with both GCC and Clang.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2194953002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Based on https://codereview.chromium.org/2196773002
==========

[mtklein_C, 2016-07-29 18:01:59]

mtklein@chromium.org changed reviewers:
+ msarett@google.com

[msarett, 2016-07-29 18:06:46]

lgtm

[mtklein_C, 2016-07-29 18:30:59]

The CQ bit was checked by mtklein@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-29 18:31:09]

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

[mtklein_C, 2016-07-29 19:00:37]

The CQ bit was unchecked by mtklein@chromium.org

[mtklein_C, 2016-07-29 19:00:39]

The CQ bit was checked by mtklein@chromium.org

[commit-bot: I haz the power, 2016-07-29 19:00:43]

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, 2016-07-29 19:28:49]

Description was changed from

==========
simplify neon shifts

These still generate vshr/vshl with immediates with both GCC and Clang.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2194953002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Based on https://codereview.chromium.org/2196773002
==========

to

==========
simplify neon shifts

These still generate vshr/vshl with immediates with both GCC and Clang.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2194953002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Based on https://codereview.chromium.org/2196773002

Committed:
https://skia.googlesource.com/skia/+/79b59e6a3877068067395ff8bd711c5332eb22a9
==========

[commit-bot: I haz the power, 2016-07-29 19:28:50]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/79b59e6a3877068067395ff8bd711c5332eb22a9

[mtklein, 2016-07-30 20:35:10]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/2193983003/ by mtklein@google.com.

The reason for reverting is: Reverting so I can revert
https://codereview.chromium.org/2196773002.