HalfFloat avx2 unpack bug fix.

HalfFloat avx2 unpack bug fix.

AVX unpack parameters were reverse ordered causing incorrect results
on AVX2 hardware.

TEST=/usr/local/google/home/fbarchard/intelsde/sde -skx -- out/Release/libyuv_unittest --gtest_filter=*Half*

BUG=libyuv:560
R=wangcheng@google.com

Committed: https://chromium.googlesource.com/libyuv/libyuv/+/550cf829fb130dc567e27717252e3510cd63b306

[fbarchard1, 2016-10-20 22:31:28]

Description was changed from

==========
HalfFloat avx2 unpack bug fix.

AVX unpack parameters were reverse ordered causing incorrect results
on AVX2 hardware.

TEST=/usr/local/google/home/fbarchard/intelsde/sde -skx --
out/Release/libyuv_unittest --gtest_filter=*Half*

BUG=libyuv:560
==========

to

==========
HalfFloat avx2 unpack bug fix.

AVX unpack parameters were reverse ordered causing incorrect results
on AVX2 hardware.

TEST=/usr/local/google/home/fbarchard/intelsde/sde -skx --
out/Release/libyuv_unittest --gtest_filter=*Half*

BUG=libyuv:560
==========

[fbarchard1, 2016-10-20 22:31:29]

fbarchard@google.com changed reviewers:
+ wangcheng@google.com

[wangcheng, 2016-10-20 22:38:30]

https://codereview.chromium.org/2438893002/diff/80001/source/row_gcc.cc
File source/row_gcc.cc (right):

https://codereview.chromium.org/2438893002/diff/80001/source/row_gcc.cc#newco...
source/row_gcc.cc:5355: "vpunpckhwd %%ymm5,%%ymm2,%%ymm3           \n"  //
mutates
reverse order of ymm5 and ymm2

[wangcheng, 2016-10-20 22:38:30]

https://codereview.chromium.org/2438893002/diff/80001/source/row_gcc.cc
File source/row_gcc.cc (right):

https://codereview.chromium.org/2438893002/diff/80001/source/row_gcc.cc#newco...
source/row_gcc.cc:5355: "vpunpckhwd %%ymm5,%%ymm2,%%ymm3           \n"  //
mutates
reverse order of ymm5 and ymm2

[wangcheng, 2016-10-20 22:39:18]

lgtm

[fbarchard1, 2016-10-20 22:49:02]

Description was changed from

==========
HalfFloat avx2 unpack bug fix.

AVX unpack parameters were reverse ordered causing incorrect results
on AVX2 hardware.

TEST=/usr/local/google/home/fbarchard/intelsde/sde -skx --
out/Release/libyuv_unittest --gtest_filter=*Half*

BUG=libyuv:560
==========

to

==========
HalfFloat avx2 unpack bug fix.

AVX unpack parameters were reverse ordered causing incorrect results
on AVX2 hardware.

TEST=/usr/local/google/home/fbarchard/intelsde/sde -skx --
out/Release/libyuv_unittest --gtest_filter=*Half*

BUG=libyuv:560
R=wangcheng@google.com

Committed:
https://chromium.googlesource.com/libyuv/libyuv/+/550cf829fb130dc567e27717252...
==========

[fbarchard1, 2016-10-20 22:49:03]

Committed patchset #5 (id:80001) manually as
550cf829fb130dc567e27717252e3510cd63b306 (presubmit successful).