David Greene <dag@xxxxxxxx> writes: > The X86 SSE intrinsics are documented here: > > http://gcc.gnu.org/onlinedocs/gcc-4.4.1/gcc/X86-Built_002din-Functions.html#X86-Built_002din-Functions > > In particular, this list includes __builtin_ia32_movddup. ... > I found this message that indicates it's gone: > > http://gcc.gnu.org/ml/gcc-help/2005-12/msg00148.html > > So is it gone? Yes. > If so, why is it still documented? It's a bug. > And where are the xmmintrinsics documented? On Intel's web site. gcc implements the intrinsics that Intel defined for SSE and friends. Ian
