avx register variables

[Marc Glisse]

On Sat, 2 Jun 2012, Gábor Buella wrote:

> Hello,
>
> With gcc 4.7, on Intel 64 I have trouble using avx register global variables:
>
> register unsigned int something __asm__("xmm2") __attribute__
> ((__vector_size__ (16)));
>
> works fine, but
>
> register unsigned int something __asm__("ymm2") __attribute__
> ((__vector_size__ (32)));
>
> results in "error: invalid register name for something"
>
> Is it at all possible to use the YMM registers as variables? If yes, how?

Did you try calling it "xmm2"?

-- 
Marc Glisse