inline assembly question (memory side-effects)

[Etienne Lorrain]

> What is the proper way to tell gcc that a inline assembly statement either modifies
> a particular area of memory or needs it to be updated/in-sync because the assembly
> reads from it.

 Maybe also related to:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32642
 i.e. "=m" works for variables/structures in memory (i.e. declared global) but not for
variables/structures in the stack.
 The only way around I found it is using the "=X" modifier, but that has not been
seen as a good solution - still works for my sourceforge project.

 Etienne.

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