On Wed, 2012-04-11 at 10:43 +0200, Richard Guenther wrote:
> On Tue, Apr 10, 2012 at 8:50 PM, David Edelsohn wrote:
> > On Tue, Apr 10, 2012 at 1:36 PM, Peter Bergner wrote:
> >
> >> 2012-mm-dd Peter Bergner
> >>Michael Matz
> >>
> >> gcc/
> >>PR target/16458
> >>
On Tue, Apr 10, 2012 at 8:50 PM, David Edelsohn wrote:
> On Tue, Apr 10, 2012 at 1:36 PM, Peter Bergner wrote:
>
>> 2012-mm-dd Peter Bergner
>> Michael Matz
>>
>> gcc/
>> PR target/16458
>> * rtlanal.c (unsigned_reg_p): New function.
>> * rtl.h (unsigned_reg_p
On Tue, Apr 10, 2012 at 1:36 PM, Peter Bergner wrote:
> 2012-mm-dd Peter Bergner
> Michael Matz
>
> gcc/
> PR target/16458
> * rtlanal.c (unsigned_reg_p): New function.
> * rtl.h (unsigned_reg_p): Prototype it.
> * config/rs6000/rs6000.c (rs6000_generat
On Mon, 2012-01-30 at 10:46 +0100, Richard Guenther wrote:
> On Fri, Jan 27, 2012 at 5:56 PM, Peter Bergner wrote:
> > This patch fixes PR16458 by using the type expression attached to a reg
> > rtx to detect its signedness and generating unsigned compares when
> > appropriate. However, we contin
On Mon, 2012-01-30 at 10:46 +0100, Richard Guenther wrote:
> On Fri, Jan 27, 2012 at 5:56 PM, Peter Bergner wrote:
> > This patch fixes PR16458 by using the type expression attached to a reg
> > rtx to detect its signedness and generating unsigned compares when
> > appropriate. However, we contin
On Fri, Jan 27, 2012 at 5:56 PM, Peter Bergner wrote:
> This patch fixes PR16458 by using the type expression attached to a reg
> rtx to detect its signedness and generating unsigned compares when
> appropriate. However, we continue to use signed compares for the
> special case of when we compare
This patch fixes PR16458 by using the type expression attached to a reg
rtx to detect its signedness and generating unsigned compares when
appropriate. However, we continue to use signed compares for the
special case of when we compare an unsigned reg against the constant 0.
This is because signed
