For future reference, you can find many ppc instructions, including
isync, available for use as pseudo-builtins in the style of MWCW
__intrinsics() if you #include<ppc_intrinsics.h>.
Wow, didn't know about those. This is for postgreSQL and used in ppc
blocks (#ifdef __ppc__), which include linux and ibm machines. Is
ppc_intrinsics.h included in linux and xlc? Now it lives at
/usr/include/gcc/darwin/3.3/ppc_intrinsics.h.
Also, is there a good tutorial on using asm in gcc? What I've found
seems to be high level.
For example, what are "memory" or "cc" for?
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