Fix 876f37c3

Wrong instruction use causes around 600 failures on MIPS64 bots

Change-Id: I66bd9689c5e5b5e9bf40a0e7063dbbcfed04fcf7
Reviewed-on: https://chromium-review.googlesource.com/908465Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Cr-Commit-Position: refs/heads/master@{#51198}