Avoid crash on some 64b ARM NEON platforms.
authortomhudson <tomhudson@google.com>
Tue, 9 Dec 2014 15:09:08 +0000 (07:09 -0800)
committerCommit bot <commit-bot@chromium.org>
Tue, 9 Dec 2014 15:09:09 +0000 (07:09 -0800)
commit414867c00463e1405ce2234cf7591b1788d20b9f
treedb6b47fc509b6e65bee5fb649d442e790dd999a9
parent2b6658a7e399fcfd90c18ec1597abeddc6c4e64a
Avoid crash on some 64b ARM NEON platforms.

The compiler may choose to use x30 for a local loop counter;
ensure it's saved. Patch from kevin.petit@arm.com,
verified by benm@google.com.

R=djsollen@google.com

Review URL: https://codereview.chromium.org/786273003
src/opts/SkXfermode_opts_arm_neon.cpp