On Tue, Jan 23, 2024 at 01:40:15PM +0100, Richard Biener wrote:
> It's never going to be 3 vs 2 but 3 * 2^n vs. 3 * 2^m so floor or
> ceil doesn't matter. In fact we could have just using
> some inverse of exact_log2 (n->simdclone->simdlen). That is,
> it's only simdlen that's varying in this
On Tue, 23 Jan 2024, Jakub Jelinek wrote:
> On Tue, Jan 23, 2024 at 01:03:46PM +0100, Richard Biener wrote:
> > On Tue, 23 Jan 2024, Jakub Jelinek wrote:
> >
> > > On Tue, Jan 23, 2024 at 12:56:52PM +0100, Richard Biener wrote:
> > > > The following avoids using exact_log2 on the number of SIMD
On Tue, Jan 23, 2024 at 01:03:46PM +0100, Richard Biener wrote:
> On Tue, 23 Jan 2024, Jakub Jelinek wrote:
>
> > On Tue, Jan 23, 2024 at 12:56:52PM +0100, Richard Biener wrote:
> > > The following avoids using exact_log2 on the number of SIMD clone calls
> > > to be emitted when vectorizing
On Tue, 23 Jan 2024, Jakub Jelinek wrote:
> On Tue, Jan 23, 2024 at 12:56:52PM +0100, Richard Biener wrote:
> > The following avoids using exact_log2 on the number of SIMD clone calls
> > to be emitted when vectorizing calls since that can easily be not
> > a power of two in which case it will
On Tue, Jan 23, 2024 at 12:56:52PM +0100, Richard Biener wrote:
> The following avoids using exact_log2 on the number of SIMD clone calls
> to be emitted when vectorizing calls since that can easily be not
> a power of two in which case it will return -1. For different simd
> clones the number of
The following avoids using exact_log2 on the number of SIMD clone calls
to be emitted when vectorizing calls since that can easily be not
a power of two in which case it will return -1. For different simd
clones the number of calls will differ by a multiply with a power of two
only so using
