[llvm-commits] PATCH: llvm-gcc option to emit "va_arg" instruction

Rafael Espindola espindola at google.com
Thu Oct 21 10:10:58 PDT 2010


> Of course it is possible to modify the gimplifier to keep VA_ARG_EXPR in the
> tree. I suspect this approach may require additional changes. If anything
> else looks at the GIMPLE tree, it would need to know how to handle
> VA_ARG_EXPR. Also, as a consequence, the llvm-gcc GIMPLE representation
> would no longer match mainline gcc's (but perhaps that is already the case
> with some of your other modifications).

It used to be the case that you could build llvm-gcc without
--enable-llvm. Not sure if anyone cares about it at this point...

> - David M
>
>


Cheers,
-- 
Rafael Ávila de Espíndola




More information about the llvm-commits mailing list