The "__builtin_constant_p()" in inline functions would have some
things about 20 times easier to optimize for. Right now it's a very
useful feature, but it is rather nasty syntactically because you
have to hide it inside these macros that easily get to be fairly
convoluted..
Richard checked this feature into egcs about 2 months ago. It is used
by glibc for it's string.h inline optimizations.
Later,
David S. Miller
davem@dm.cobaltmicro.com
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