On Thu, Dec 31, 2020 at 04:39:52PM +, Richard Sandiford wrote:
> Segher Boessenkool writes:
> > It isn't likely that any other pass would try to create this pattern,
> > but this isn't guaranteed, and such other passes do not necessarily do
> > the add-the-clobber (that is specific to combine,
Segher Boessenkool writes:
> It isn't likely that any other pass would try to create this pattern,
> but this isn't guaranteed, and such other passes do not necessarily do
> the add-the-clobber (that is specific to combine, even!) Maybe fwprop
> could create this insn, or something like Richard's
On Thu, Dec 31, 2020 at 1:29 PM Segher Boessenkool
wrote:
>
> Hi!
>
> On Thu, Dec 31, 2020 at 09:54:01AM +0100, Uros Bizjak wrote:
> > On Thu, Dec 31, 2020 at 9:40 AM Segher Boessenkool
> > wrote:
> > > Nice. Just one thing: in principle the splitters can be used outside of
> > > combine, too?
Hi!
On Thu, Dec 31, 2020 at 09:54:01AM +0100, Uros Bizjak wrote:
> On Thu, Dec 31, 2020 at 9:40 AM Segher Boessenkool
> wrote:
> > Nice. Just one thing: in principle the splitters can be used outside of
> > combine, too? This can lead to insns that do not recog() then? Is
> > there anything th
On Thu, Dec 31, 2020 at 9:40 AM Segher Boessenkool
wrote:
>
> Hi Uros,
>
> On Wed, Dec 30, 2020 at 05:44:50PM +0100, Uros Bizjak via Gcc-patches wrote:
> > There is no need for combine splitters to emit insn patterns with clobbers,
> > the pass is smart enough to add clobbers to patterns as necess
Hi Uros,
On Wed, Dec 30, 2020 at 05:44:50PM +0100, Uros Bizjak via Gcc-patches wrote:
> There is no need for combine splitters to emit insn patterns with clobbers,
> the pass is smart enough to add clobbers to patterns as necessary.
Nice. Just one thing: in principle the splitters can be used ou