Add MSA detect to unittest.
Change macro to disable DSPR2 code to LIBYUV_DISABLE_DSPR2

BUG=libyuv:634
TEST=try bots

Change-Id: I9e0aa2452204fc529bb6f9e6fd93c4e1c379bba6
Reviewed-on: https://chromium-review.googlesource.com/433463Reviewed-by: Henrik Kjellander <kjellander@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@google.com>

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

Performance Gain (vs C vectorized)
TransposeWx8_MSA          - ~2.7x
TransposeWx8_Any_MSA      - ~2.1x
TransposeUVWx8_MSA        - ~2.5x
TransposeUVWx8_Any_MSA    - ~2.7x

Performance Gain (vs C non-vectorized)
TransposeWx8_MSA          - ~4.6x
TransposeWx8_Any_MSA      - ~2.9x
TransposeUVWx8_MSA        - ~4.4x
TransposeUVWx8_Any_MSA    - ~3.7x

Review URL: https://codereview.chromium.org/2553403002 .

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

Performance Gain (vs C vectorized)
ScaleARGBRowDown2_MSA           - ~2.6x
ScaleARGBRowDown2Linear_MSA     - ~7.9x
ScaleARGBRowDown2Box_MSA        - ~3.7x
ScaleARGBRowDownEven_MSA        - ~1.2x
ScaleARGBRowDownEvenBox_MSA     - ~3.5x

ScaleARGBRowDown2_Any_MSA       - ~2.6x
ScaleARGBRowDown2Linear_Any_MSA - ~7.9x
ScaleARGBRowDown2Box_Any_MSA    - ~3.6x
ScaleARGBRowDownEven_Any_MSA    - ~1.2x
ScaleARGBRowDownEvenBox_Any_MSA - ~3.5x

Performance Gain (vs C non-vectorized)
ScaleARGBRowDown2_MSA           - 2.6x
ScaleARGBRowDown2Linear_MSA     - 13.5x
ScaleARGBRowDown2Box_MSA        - 5.8x
ScaleARGBRowDownEven_MSA        - 1.2x
ScaleARGBRowDownEvenBox_MSA     - 3.7x

ScaleARGBRowDown2_Any_MSA       - 2.6x
ScaleARGBRowDown2Linear_Any_MSA - 13.5x
ScaleARGBRowDown2Box_Any_MSA    - 5.3x
ScaleARGBRowDownEven_Any_MSA    - 1.2x
ScaleARGBRowDownEvenBox_Any_MSA - 3.7x

Review URL: https://codereview.chromium.org/2527983002 .

As per the preparation patch added in Chromium sources at,
2150943003: Add MIPS SIMD Arch (MSA) build flags for GYP/GN builds

This patch adds first MSA optimized function in libYUV project.

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

Review URL: https://codereview.chromium.org/2285683002 .

previously the neon source code was broken into a separate
library built with -mfpu=neon for the neon assembly, while
the C code was built without neon.

In this change, the neon code is added to the main library
and all code built with neon.

TBR=harryjin@google.com
BUG=libyuv:371

Review URL: https://codereview.chromium.org/1392043003 .

rotate any

R=harryjin@google.com
BUG=libyuv:464

Review URL: https://webrtc-codereview.appspot.com/53769004.

R=bcornell@google.com
BUG=libyuv:464

Review URL: https://webrtc-codereview.appspot.com/51289004.

rename source files from row_posix.cc etc to row_gcc.cc to avoid gyp build filtering out source files from build when on windows with clang.  The source code contained in row_gcc.cc is gcc syntax inline assembly available for any platform that supports gcc or clang for intel cpus.
BUG=440
TESTED=try bots
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/56579004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1430 16f28f9a-4ce2-e073-06de-1de4eb20be90

ARM32/64 NEON versions of ScaleFilterCols_NEON are implemented.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: I5b0838769ffb0182155d7cd6bcc520eb81eb5c4e

Review URL: https://webrtc-codereview.appspot.com/41349004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1340 16f28f9a-4ce2-e073-06de-1de4eb20be90

Remove bayer format support from libyuv.  This format is very rare and used on legacy hardware.  Its not well optimized and has bugs related to odd widths.  Removing the format will allow tests to pass under more circumstances, run faster and allow focus on higher priority quality and performance issues.
BUG=301
TESTED=local unittests build/pass on windows gyp build.
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/38059004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1270 16f28f9a-4ce2-e073-06de-1de4eb20be90

New target libyuv_untrusted compiles libyuv for PNaCl.

BUG=276739
R=fbarchard@google.com

Review URL: https://webrtc-codereview.appspot.com/6299004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@969 16f28f9a-4ce2-e073-06de-1de4eb20be90