[RFC] [autovect patch] Implement vectorization hints

[Devang Patel]

On Feb 26, 2005, at 9:50 PM, Zack Weinberg wrote:

> I have not read your code in any detail, and do not intend to, but
> please permit me to point out that GCC-specific #pragmas should begin
> "#pragma GCC" (you do this with the namespace argument to
> c_register_pragma - note the line immediately above the two you
> added).  If these #pragmas are compatible with some other compiler,
> please document which compiler that is.
>
> Also, if I was just going along reading code and I saw
> #pragma [GCC] ivdep, I would have no idea what it did.  Could you
> please use a more descriptive name, e.g.
> #pragma GCC ignore_data_dependencies?  (Ignore this critique if it's
> "ivdep" for compatibility with some other compiler.)

I tried to match Intel compiler. That is also why I did not put it
in GCC namespace. I will update document to mention that this is
compatible with Intel compiler.

> Finally, I notice that your test cases are inconsistent with your code.

Yup. At the last minute I fixed names ;)
Thanks,
-
Devang