Re: alignment issues for sse

[Kimmo Fredriksson <kfredrik at cs dot joensuu dot fi>]

On Thu, 17 Feb 2005, Brian Budge wrote:

> great.  My problem now is that I'm declaring variables on the stack
> and they're not being aligned.

Hmm, I just tried this, and for me __m128 gets automatically correctly 
aligned, no matter which way I arrange the local declarations...

gcc 3.3.2 and gcc 4.0.0.

> Corey, you talk about advancing the pointer until it is aligned... is
> there a trick like that for the stack?

{
	...

	long double aligningstuff;
        __m128      this_is_16_bytes_aligned;

	...
}

and compile with `-m128bit-long-double' (this *should* be 16 byte aligned) ???

K