On Wed, Jan 06, 2021 at 11:34:32AM +0800, Hongtao Liu via Gcc-patches wrote:
> > >>
> > >> Note there's a data dependency between them. insn 7 feeds insn 9. When
> > >> there's a data dependency, combiner patterns are usually the better
> > >> choice than peepholes. I think you'd be looking to m
> >>
> >> Note there's a data dependency between them. insn 7 feeds insn 9. When
> >> there's a data dependency, combiner patterns are usually the better
> >> choice than peepholes. I think you'd be looking to match something
> >> likethis (from the . combine dump):
> >>
Using combiner patterns
On 11/16/20 8:10 PM, Hongtao Liu wrote:
> On Tue, Nov 17, 2020 at 8:05 AM Jeff Law wrote:
>>
>> On 9/2/20 3:34 AM, Hongtao Liu via Gcc-patches wrote:
>>> Hi:
>>> Add define_peephole2 to eliminate potential redundant conversion
>>> from mask to vector.
>>> Bootstrap is ok, regression test is
On Tue, Nov 17, 2020 at 8:05 AM Jeff Law wrote:
>
>
> On 9/2/20 3:34 AM, Hongtao Liu via Gcc-patches wrote:
> > Hi:
> > Add define_peephole2 to eliminate potential redundant conversion
> > from mask to vector.
> > Bootstrap is ok, regression test is ok for i386/x86-64 backend.
> > Ok for tru
On 9/2/20 3:34 AM, Hongtao Liu via Gcc-patches wrote:
> Hi:
> Add define_peephole2 to eliminate potential redundant conversion
> from mask to vector.
> Bootstrap is ok, regression test is ok for i386/x86-64 backend.
> Ok for trunk?
>
> gcc/ChangeLog:
> PR target/96891
> * co
On Wed, Sep 2, 2020 at 2:33 AM Hongtao Liu via Gcc-patches
wrote:
>
> Hi:
> Add define_peephole2 to eliminate potential redundant conversion
> from mask to vector.
> Bootstrap is ok, regression test is ok for i386/x86-64 backend.
> Ok for trunk?
>
> gcc/ChangeLog:
> PR target/96891
>
Hi:
Add define_peephole2 to eliminate potential redundant conversion
from mask to vector.
Bootstrap is ok, regression test is ok for i386/x86-64 backend.
Ok for trunk?
gcc/ChangeLog:
PR target/96891
* config/i386/sse.md (VI_128_256): New mode iterator.
(define_peephol
