On 7/23/24 10:30 AM, Roger Sayle wrote:
The subject line pretty much says it all; the count-trailing-zeros function
of -X produces the same result as count-trailing-zeros of X. This
transformation eliminates a negation which may potentially overflow with
an equivalent expression that doesn't
On Tue, Jul 23, 2024 at 9:30 AM Roger Sayle wrote:
>
>
> The subject line pretty much says it all; the count-trailing-zeros function
> of -X produces the same result as count-trailing-zeros of X. This
> transformation eliminates a negation which may potentially overflow with
> an equivalent expre
The subject line pretty much says it all; the count-trailing-zeros function
of -X produces the same result as count-trailing-zeros of X. This
transformation eliminates a negation which may potentially overflow with
an equivalent expression that doesn't [much like the analogous abs(-X)
simplificat
