Re: What does that "%U0" and "%X0" mean

[Brian Gerst <bgerst@didntduck.org>]

sampersy@gmail.com wrote:
> What does that "%U0" and "%X0" mean in 
> __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
> 
> does any reference existing ?

The X and U prefixes are arch specific.  This looks like ppc code.  The
only references I've every found are the gcc source code.  The gcc
source says:

U: Print 'u' if this has an auto-increment or auto-decrement.
X: Print 'x' if this is an indexed address.

--
				Brian Gerst
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