Jun He d643b9a988 decompress: add hint to remove extra AND ...

Clang doesn't realize the load with free zero-extension,
and emits another extra 'and xn, xm, 0xff' to calc offset.
With this change ,this extra op is removed, and consistent
1.7% performance uplift is observed.

Signed-off-by: Jun He <jun.he@arm.com>
Change-Id: Ica4617852c4b93eadc6c5c551dc3961ffbadb8f0

2021-08-12 15:19:53 +08:00

81 KiB

Raw Blame History

View Raw