On Wed, Dec 07, 2016 at 02:02:17PM +0100, Bernd Schmidt wrote:
> On 10/28/2016 03:43 PM, Segher Boessenkool wrote:
> >On Fri, Oct 28, 2016 at 01:18:19PM +0200, Bernd Schmidt wrote:
> >>In this PR, we manage to simplify the code down to
> >>
> >>(lt (and (reg) (signbit)) (const 0))
> >>
> >>simplify
On 10/28/2016 03:43 PM, Segher Boessenkool wrote:
On Fri, Oct 28, 2016 at 01:18:19PM +0200, Bernd Schmidt wrote:
In this PR, we manage to simplify the code down to
(lt (and (reg) (signbit)) (const 0))
simplify_comparison then calls make_compound_operation on the AND
expression, and that turns
Hi Bernd,
On Fri, Oct 28, 2016 at 01:18:19PM +0200, Bernd Schmidt wrote:
> In this PR, we manage to simplify the code down to
>
> (lt (and (reg) (signbit)) (const 0))
>
> simplify_comparison then calls make_compound_operation on the AND
> expression, and that turns it into a ZERO_EXTRACT of a s
