* ilya german: > I have a quastion regarding reading TBR registers on PPC p2020 e500v2 CPU. > > I wrote the following asm instructions to read the TBR: > > mftbu r5 /* Read upper Time Base */ > mftb r6 /* Read lower Time Base */ > mftbu r7 /* Read upper Time Base again */ > > When I compiled (using GNU 4) and viewed the asm instruction I saw that > *mftbu* and *mftb* were replaced with *mfspr* instruction. How did you determine that it was replaced?
