inline assembly & r0 SOS
benh at kernel.crashing.org
Wed Aug 6 10:35:07 EST 2008
On Tue, 2008-08-05 at 17:20 -0700, Kevin Diggs wrote:
> thats bad right? Because the "addi 0, 0, 23" will not work as expected
> because of the "special property" of r0. FYI: The first three lines
> after the "#APP" are from a similar function get_PLL_ratio().
> Is there a way to blacklist r0?
Yes. Use "b" instead of "r" in the constraints to force the compiler
to avoid r0 when assigning a register.
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