[LLVMdev] Clang 3.1 __builtin_ia32_pcmpeqd128 doesn't work anymore

[Anton Korobeynikov]

Hello

> So if i understand right, i can't directly compile the c code using clang.
> And i need to manually generate some llvm ir to replace the builtin
> function.
This is gcc's internal builtin function which was removed from clang.

One should either use *mmintrin.h files (as specified by
http://clang.llvm.org/compatibility.html#vector_builtins) or do
something similar to this (just wild guess):
 __v4i comp = (vectTag == vectTag2);

-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University