Add MSA optimized RAW/RGB/ARGB to ARGB/Y/UV row functions

Add MSA optimized RAW/RGB/ARGB to ARGB/Y/UV row functions

R=fbarchard@google.com
BUG=libyuv:634
Performance Gain (vs C vectorized)
ARGB1555ToARGBRow_MSA     - 1.85
ARGB1555ToARGBRow_Any_MSA - 1.82
RGB565ToARGBRow_MSA       - 2.14
RGB565ToARGBRow_Any_MSA   - 2.08
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 2.60
ARGB1555ToYRow_Any_MSA    - 2.47
RGB565ToYRow_MSA          - 2.45
RGB565ToYRow_Any_MSA      - 2.33
RGB24ToYRow_MSA           - 2.23
RGB24ToYRow_Any_MSA       - 2.01
RAWToYRow_MSA             - 2.25
RAWToYRow_Any_MSA         - 2.02
ARGB1555ToUVRow_MSA       - 1.40
ARGB1555ToUVRow_Any_MSA   - 1.37
RGB565ToUVRow_MSA         - 1.68
RGB565ToUVRow_Any_MSA     - 1.63
RGB24ToUVRow_MSA          - 3.02
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.85

Performance Gain (vs C non-vectorized)
ARGB1555ToARGBRow_MSA     - 4.66
ARGB1555ToARGBRow_Any_MSA - 4.45
RGB565ToARGBRow_MSA       - 5.58
RGB565ToARGBRow_Any_MSA   - 5.34
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 6.38
ARGB1555ToYRow_Any_MSA    - 5.98
RGB565ToYRow_MSA          - 6.42
RGB565ToYRow_Any_MSA      - 6.05
RGB24ToYRow_MSA           - 7.87
RGB24ToYRow_Any_MSA       - 7.01
RAWToYRow_MSA             - 7.98
RAWToYRow_Any_MSA         - 7.01
ARGB1555ToUVRow_MSA       - 5.39
ARGB1555ToUVRow_Any_MSA   - 5.06
RGB565ToUVRow_MSA         - 6.39
RGB565ToUVRow_Any_MSA     - 5.90
RGB24ToUVRow_MSA          - 3.04
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.88

Committed: https://chromium.googlesource.com/libyuv/libyuv/+/7c64163ff479ec4cdadbcbcf67397080d59117ef

[manojkumar.bhosale, 2017-01-05 10:06:26]

Description was changed from

==========
Add MSA optimized RAW/RGB/ARGB to ARGB/Y/UV row functions

R=fbarchard@google.com
BUG=libyuv:634
==========

to

==========
Add MSA optimized RAW/RGB/ARGB to ARGB/Y/UV row functions

R=fbarchard@google.com
BUG=libyuv:634

Performance Gain (vs C vectorized)
ARGB1555ToARGBRow_MSA     - 1.85
ARGB1555ToARGBRow_Any_MSA - 1.82
RGB565ToARGBRow_MSA       - 2.14
RGB565ToARGBRow_Any_MSA   - 2.08
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 2.60
ARGB1555ToYRow_Any_MSA    - 2.47
RGB565ToYRow_MSA          - 2.45
RGB565ToYRow_Any_MSA      - 2.33
RGB24ToYRow_MSA           - 2.23
RGB24ToYRow_Any_MSA       - 2.01
RAWToYRow_MSA             - 2.25
RAWToYRow_Any_MSA         - 2.02
ARGB1555ToUVRow_MSA       - 1.40
ARGB1555ToUVRow_Any_MSA   - 1.37
RGB565ToUVRow_MSA         - 1.68
RGB565ToUVRow_Any_MSA     - 1.63
RGB24ToUVRow_MSA          - 3.02
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.85

Performance Gain (vs C non-vectorized)
ARGB1555ToARGBRow_MSA     - 4.66
ARGB1555ToARGBRow_Any_MSA - 4.45
RGB565ToARGBRow_MSA       - 5.58
RGB565ToARGBRow_Any_MSA   - 5.34
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 6.38
ARGB1555ToYRow_Any_MSA    - 5.98
RGB565ToYRow_MSA          - 6.42
RGB565ToYRow_Any_MSA      - 6.05
RGB24ToYRow_MSA           - 7.87
RGB24ToYRow_Any_MSA       - 7.01
RAWToYRow_MSA             - 7.98
RAWToYRow_Any_MSA         - 7.01
ARGB1555ToUVRow_MSA       - 5.39
ARGB1555ToUVRow_Any_MSA   - 5.06
RGB565ToUVRow_MSA         - 6.39
RGB565ToUVRow_Any_MSA     - 5.90
RGB24ToUVRow_MSA          - 3.04
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.88
==========

[manojkumar.bhosale, 2017-01-05 10:06:37]

Updated with reviewers, cc list and performance gain numbers

[fbarchard1, 2017-01-11 20:26:31]

lgtm

https://codereview.chromium.org/2600713002/diff/1/source/row_msa.cc
File source/row_msa.cc (right):

https://codereview.chromium.org/2600713002/diff/1/source/row_msa.cc#newcode1516
source/row_msa.cc:1516: v4u32 const_0x810019 = (v4u32)__msa_fill_w(0x810019);
caveat these constants subject to change.

https://codereview.chromium.org/2600713002/diff/1/source/row_msa.cc#newcode1736
source/row_msa.cc:1736: void RGB565ToUVRow_MSA(const uint8* src_rgb565,
note these conversions from various RGB formats to YUV are rarely used.  It
would be simplier (less code) to implement a 2 step conversion that converts
RGB565 to ARGB then use ARGB to Y and UV.

[manojkumar.bhosale, 2017-01-13 08:42:35]

https://codereview.chromium.org/2600713002/diff/1/source/row_msa.cc
File source/row_msa.cc (right):

https://codereview.chromium.org/2600713002/diff/1/source/row_msa.cc#newcode1516
source/row_msa.cc:1516: v4u32 const_0x810019 = (v4u32)__msa_fill_w(0x810019);
On 2017/01/11 20:26:31, fbarchard1 wrote:
> caveat these constants subject to change.

Acknowledged.

https://codereview.chromium.org/2600713002/diff/1/source/row_msa.cc#newcode1736
source/row_msa.cc:1736: void RGB565ToUVRow_MSA(const uint8* src_rgb565,
On 2017/01/11 20:26:31, fbarchard1 wrote:
> note these conversions from various RGB formats to YUV are rarely used.  It
> would be simplier (less code) to implement a 2 step conversion that converts
> RGB565 to ARGB then use ARGB to Y and UV.

Ok. Keeping them for now as there would be performance degrade in split.

[manojkumar.bhosale, 2017-01-13 10:11:39]

Description was changed from

==========
Add MSA optimized RAW/RGB/ARGB to ARGB/Y/UV row functions

R=fbarchard@google.com
BUG=libyuv:634

Performance Gain (vs C vectorized)
ARGB1555ToARGBRow_MSA     - 1.85
ARGB1555ToARGBRow_Any_MSA - 1.82
RGB565ToARGBRow_MSA       - 2.14
RGB565ToARGBRow_Any_MSA   - 2.08
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 2.60
ARGB1555ToYRow_Any_MSA    - 2.47
RGB565ToYRow_MSA          - 2.45
RGB565ToYRow_Any_MSA      - 2.33
RGB24ToYRow_MSA           - 2.23
RGB24ToYRow_Any_MSA       - 2.01
RAWToYRow_MSA             - 2.25
RAWToYRow_Any_MSA         - 2.02
ARGB1555ToUVRow_MSA       - 1.40
ARGB1555ToUVRow_Any_MSA   - 1.37
RGB565ToUVRow_MSA         - 1.68
RGB565ToUVRow_Any_MSA     - 1.63
RGB24ToUVRow_MSA          - 3.02
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.85

Performance Gain (vs C non-vectorized)
ARGB1555ToARGBRow_MSA     - 4.66
ARGB1555ToARGBRow_Any_MSA - 4.45
RGB565ToARGBRow_MSA       - 5.58
RGB565ToARGBRow_Any_MSA   - 5.34
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 6.38
ARGB1555ToYRow_Any_MSA    - 5.98
RGB565ToYRow_MSA          - 6.42
RGB565ToYRow_Any_MSA      - 6.05
RGB24ToYRow_MSA           - 7.87
RGB24ToYRow_Any_MSA       - 7.01
RAWToYRow_MSA             - 7.98
RAWToYRow_Any_MSA         - 7.01
ARGB1555ToUVRow_MSA       - 5.39
ARGB1555ToUVRow_Any_MSA   - 5.06
RGB565ToUVRow_MSA         - 6.39
RGB565ToUVRow_Any_MSA     - 5.90
RGB24ToUVRow_MSA          - 3.04
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.88
==========

to

==========
Add MSA optimized RAW/RGB/ARGB to ARGB/Y/UV row functions

R=fbarchard@google.com
BUG=libyuv:634

Performance Gain (vs C vectorized)
ARGB1555ToARGBRow_MSA     - 1.85
ARGB1555ToARGBRow_Any_MSA - 1.82
RGB565ToARGBRow_MSA       - 2.14
RGB565ToARGBRow_Any_MSA   - 2.08
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 2.60
ARGB1555ToYRow_Any_MSA    - 2.47
RGB565ToYRow_MSA          - 2.45
RGB565ToYRow_Any_MSA      - 2.33
RGB24ToYRow_MSA           - 2.23
RGB24ToYRow_Any_MSA       - 2.01
RAWToYRow_MSA             - 2.25
RAWToYRow_Any_MSA         - 2.02
ARGB1555ToUVRow_MSA       - 1.40
ARGB1555ToUVRow_Any_MSA   - 1.37
RGB565ToUVRow_MSA         - 1.68
RGB565ToUVRow_Any_MSA     - 1.63
RGB24ToUVRow_MSA          - 3.02
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.85

Performance Gain (vs C non-vectorized)
ARGB1555ToARGBRow_MSA     - 4.66
ARGB1555ToARGBRow_Any_MSA - 4.45
RGB565ToARGBRow_MSA       - 5.58
RGB565ToARGBRow_Any_MSA   - 5.34
RGB24ToARGBRow_MSA        - 8.57
RGB24ToARGBRow_Any_MSA    - 7.42
RAWToARGBRow_MSA          - 8.57
RAWToARGBRow_Any_MSA      - 7.42
ARGB1555ToYRow_MSA        - 6.38
ARGB1555ToYRow_Any_MSA    - 5.98
RGB565ToYRow_MSA          - 6.42
RGB565ToYRow_Any_MSA      - 6.05
RGB24ToYRow_MSA           - 7.87
RGB24ToYRow_Any_MSA       - 7.01
RAWToYRow_MSA             - 7.98
RAWToYRow_Any_MSA         - 7.01
ARGB1555ToUVRow_MSA       - 5.39
ARGB1555ToUVRow_Any_MSA   - 5.06
RGB565ToUVRow_MSA         - 6.39
RGB565ToUVRow_Any_MSA     - 5.90
RGB24ToUVRow_MSA          - 3.04
RGB24ToUVRow_Any_MSA      - 2.87
RAWToUVRow_MSA            - 3.04
RAWToUVRow_Any_MSA        - 2.88

Committed:
https://chromium.googlesource.com/libyuv/libyuv/+/7c64163ff479ec4cdadbcbcf673...
==========

[manojkumar.bhosale, 2017-01-13 10:11:43]

Committed patchset #2 (id:20001) manually as
7c64163ff479ec4cdadbcbcf67397080d59117ef (presubmit successful).