On Mon, Oct 03, 2011 at 03:19:00PM -0700, Richard Henderson wrote:
> On 10/01/2011 11:40 AM, David Miller wrote:
> > +;; Conditional moves are possible via fcmpX --> cmaskX -> bshuffle
>
> Does this comment mean you can fairly efficiently implement the
> vcond patterns?
vcond is actually vcond
On 10/03/2011 06:43 PM, David Miller wrote:
> What exactly is supposed to happen when, for example, the comparison
> is between two v4hi values and the conditional move is done on
> v2si values? It seems the only requirement is that modes N and M
> be vector modes of the same size.
It's supposed
From: Richard Henderson
Date: Mon, 03 Oct 2011 15:19:00 -0700
> On 10/01/2011 11:40 AM, David Miller wrote:
>> +;; Conditional moves are possible via fcmpX --> cmaskX -> bshuffle
>
> Does this comment mean you can fairly efficiently implement the
> vcond patterns?
That seems to be the case. So
On 10/01/2011 11:40 AM, David Miller wrote:
> +;; Conditional moves are possible via fcmpX --> cmaskX -> bshuffle
Does this comment mean you can fairly efficiently implement the
vcond patterns?
r~
There are couple more to add, but there are some complications
wrt. v8plus for those that I need to sort out first.
And also I haven't attempted to add the floating-point-and-halve
and related ops yet, see:
http://gcc.gnu.org/ml/gcc/2011-09/msg00385.html
Committed to trunk.
gcc/
* con
