openjpeg: Don't build with SSE instrinsics for 32-bit x86.

openjpeg: Don't build with SSE instrinsics for 32-bit x86.

Fixes 32-bit clang-cl build.

These intrinsics require addresses with 16-byte alignment, which doesn't
cause issues for 64-bit builds because of allocator alignment. MSVC
doesn't recognise the __SSE__, __SSE2__ defines, which is why this problem
never surfaced before.

R=tsepez@chromium.org
BUG=pdfium:433
Committed: https://pdfium.googlesource.com/pdfium/+/2852ce07c4e5b1053420cbf375e098e09faf679c

[Oliver Chang, 2016-03-10 18:59:13]

ochang@chromium.org changed reviewers:
+ tsepez@chromium.org

[Oliver Chang, 2016-03-10 18:59:14]

Tom, for review.

[Tom Sepez, 2016-03-10 19:03:17]

lgtm

[Oliver Chang, 2016-03-10 19:05:07]

Description was changed from

==========
openjpeg: Don't build with SSE instrinsics for 32-bit x86.

Fixes 32-bit clang-cl build.

These intrinsics require addresses with 16-byte alignment, which doesn't
cause issues for 64-bit builds because of allocator alignment. MSVC
doesn't recognise the __SSE__, __SSE2__ defines, which is why this problem
never surfaced before.

BUG=pdfium:443
==========

to

==========
openjpeg: Don't build with SSE instrinsics for 32-bit x86.

Fixes 32-bit clang-cl build.

These intrinsics require addresses with 16-byte alignment, which doesn't
cause issues for 64-bit builds because of allocator alignment. MSVC
doesn't recognise the __SSE__, __SSE2__ defines, which is why this problem
never surfaced before.

R=tsepez@chromium.org
BUG=pdfium:433
==========

[Oliver Chang, 2016-03-10 19:06:20]

Description was changed from

==========
openjpeg: Don't build with SSE instrinsics for 32-bit x86.

Fixes 32-bit clang-cl build.

These intrinsics require addresses with 16-byte alignment, which doesn't
cause issues for 64-bit builds because of allocator alignment. MSVC
doesn't recognise the __SSE__, __SSE2__ defines, which is why this problem
never surfaced before.

R=tsepez@chromium.org
BUG=pdfium:433
==========

to

==========
openjpeg: Don't build with SSE instrinsics for 32-bit x86.

Fixes 32-bit clang-cl build.

These intrinsics require addresses with 16-byte alignment, which doesn't
cause issues for 64-bit builds because of allocator alignment. MSVC
doesn't recognise the __SSE__, __SSE2__ defines, which is why this problem
never surfaced before.

R=tsepez@chromium.org
BUG=pdfium:433

Committed:
https://pdfium.googlesource.com/pdfium/+/2852ce07c4e5b1053420cbf375e098e09faf...
==========

[Oliver Chang, 2016-03-10 19:06:21]

Committed patchset #1 (id:1) manually as
2852ce07c4e5b1053420cbf375e098e09faf679c (presubmit successful).