From: Paul Mackerras <[email protected]>
Date: Thu, 11 May 2006 09:44:32 +1000
> That means we lose the possible optimization of combining the addi
> into a following load or store. Bah. However, I guess it's still
> better than what we do at the moment.
If you have to hide the operation so deeply like this, maybe you can
do something similar to sparc64, by explicitly doing the per-cpu fixed
register and offsets, and still get the single instruction relocs that
powerpc can do for up to 64K by doing something like:
&per_cpu_blah - &per_cpu_base
to calculate the offset.
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