21 Mar
2017
21 Mar
'17
5:51 p.m.
On Tue, 21 Mar 2017 17:11:27 +0100, Yang, Libin wrote:
* Any deviation may result in undefined behavior.*/- if (((val & AZX_MLCTL_SPA) >> AZX_MLCTL_SPA_SHIFT) ^
((val & AZX_MLCTL_CPA) >> AZX_MLCTL_CPA_SHIFT))Should it be better with "==" instead of XOR here?
AZX_MLCTL_SPA bit value should be the same with AZX_MLCTL_CPA bit value before operation. If they are different, we should not touch this register. So if XOR is true, we should return directly.
I meant that (A != B) is more understandable than (A ^ B).
Takashi