tree f14cf81529b67be5961ecb5317a0262c3ad010fe
parent 182a631e989b9b6c58e4342c9f661682361446ed
author mtklein <mtklein@chromium.org> 1401829014 -0700
committer Commit bot <commit-bot@chromium.org> 1401829014 -0700

DM: go back to memcmp for BitmapsEqual

Even when autovectorized, using MaxComponentDifference is slower than memcmp.
And debug builds (most runs of DM) will never even be autovectorized.

DM::MaxComponentDifference is the top function on DM profile, and memcmp moves
to ~20th.

BUG=skia:
R=halcanary@google.com, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/315743002