>http://linuxassembly.org/
>
>They told me that gcc does inline assembly, which I didn't know.

Yikes!

GCC has supported inline assembler on some
platforms for a number of years now; the kernel
is littered with such sequences.  Being good
at inline GCC assembly doesn't take much,
just familiarity with RTL (Register Transfer
Language) the intermediate representation GCC
uses while it performs its magic transformations
of your program.  RTL makes my brain hurt; the
only place I know of where it's documented is in
the portation guide for GCC.  I have written GCC
inline assembler sequences but they're basically
never necessary under "normal" conditions.


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