[PATCH] Vectorize conversions directly

[Ramana Radhakrishnan]

On Wed, 2010-11-24 at 18:23 +0300, Dmitry Plotnikov wrote:
> Hi,
>  It's hard to make such fix in arm backend, because neon builtins are not saved and 
> enumerated as it's done for x86_64 and rs6000.  Bootstrapped and 
> regtested on x86_64 without any regressions.


IIRC there was this patch / set of patches from Jie that did implement
TARGET_BUILTIN_DECL if that's what was needed.

http://gcc.gnu.org/ml/gcc-patches/2010-10/msg00851.html
http://gcc.gnu.org/ml/gcc-patches/2010-10/msg00853.html
http://gcc.gnu.org/ml/gcc-patches/2010-10/msg00852.html



I haven't looked at your patch in great detail but ... 

> +   (UNSPEC_FIXU                 208)
> +   (UNSPEC_FLOATU               209)])

These don't seem to get used anywhere else. Are they really needed or
are some other portions of your patch missing ? 


Cheers
Ramana