ARM does not support shifting by 0. An immediate value of 0 is interpreted as
shifting by 32. See section A8.4.1 Constant shifts of the ARMv7-A/R reference
manual.

Change-Id: I289a7c6091c04387700dc2e9b3f959639bd919ce
Reviewed-on: https://chromium-review.googlesource.com/491949Reviewed-by: Jim Stichnoth <stichnot@chromium.org>