[patch] powerpc: remove do-nothing cpu setup routines
Segher Boessenkool
segher at kernel.crashing.org
Tue May 9 10:47:20 EST 2006
> lwz r5,CPU_SPEC_SETUP(r4)
> cmpi 0,r5,0
> add r5,r5,r3
> beqlr
> mtctr r5
> bctr
>
> But, could this also be:
>
> lwz r5,CPU_SPEC_SETUP(r4)
> cmpi 0,r5,0
> beqlr
> add r5,r5,r3
> mtctr r5
> bctr
Sure. Except it should be cmpwi cr0,r5,0 or cmpwi r5,0 --
cmpi with three arguments is not valid PowerPC assembler code.
Segher
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