On Mon, Jun 6, 2022 at 1:28 PM Uros Bizjak wrote:
>
> On Sun, Jun 5, 2022 at 7:19 PM Roger Sayle wrote:
> >
> >
> > This patch extends the recent and;cmp to not;test optimization to also
> > perform this transformation for TImode on TARGET_64BIT and DImode on -m32,
> > One motivation for this is
On Sun, Jun 5, 2022 at 7:19 PM Roger Sayle wrote:
>
>
> This patch extends the recent and;cmp to not;test optimization to also
> perform this transformation for TImode on TARGET_64BIT and DImode on -m32,
> One motivation for this is that it's a step to fixing the current failure
> of gcc.target/i3
On Sun, Jun 5, 2022 at 7:19 PM Roger Sayle wrote:
>
>
> This patch extends the recent and;cmp to not;test optimization to also
> perform this transformation for TImode on TARGET_64BIT and DImode on -m32,
> One motivation for this is that it's a step to fixing the current failure
> of gcc.target/i3
On Mon, Jun 6, 2022 at 10:23 AM Roger Sayle wrote:
>
>
> Hi Uros,
> > > The major theme of this patch is to generalize many of i386.md's
> > > *di3_doubleword patterns to become *_doubleword patterns, i.e.
> > > whenever there exists a "double word" optimization for DImode with
> > > -m32, there s
Hi Uros,
> > The major theme of this patch is to generalize many of i386.md's
> > *di3_doubleword patterns to become *_doubleword patterns, i.e.
> > whenever there exists a "double word" optimization for DImode with
> > -m32, there should be an equivalent TImode optimization on TARGET_64BIT.
>
>
On Sun, Jun 5, 2022 at 7:19 PM Roger Sayle wrote:
>
>
> This patch extends the recent and;cmp to not;test optimization to also
> perform this transformation for TImode on TARGET_64BIT and DImode on -m32,
> One motivation for this is that it's a step to fixing the current failure
> of gcc.target/i3
This patch extends the recent and;cmp to not;test optimization to also
perform this transformation for TImode on TARGET_64BIT and DImode on -m32,
One motivation for this is that it's a step to fixing the current failure
of gcc.target/i386/pr65105-5.c on -m32.
A more direct benefit for x86_64 is t
