This CL also fixes bitmask instructions on mips platform.

Change-Id: I550daca3b6b4ece151928836f316d3960a7af437
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2230090
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68266}