https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
--- Comment #7 from rguenther at suse dot de ---
On Mon, 28 Mar 2022, vries at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
>
> --- Comment #6 from Tom de Vries ---
> Created attachment 52698
> -->
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
--- Comment #6 from Tom de Vries ---
Created attachment 52698
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52698=edit
Demonstrator patch with stepping stone patterns for combine
(In reply to Tom de Vries from comment #2)
> Also, I
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
--- Comment #5 from Richard Biener ---
@cindex @code{ssad@var{m}} instruction pattern
@item @samp{ssad@var{m}}
@cindex @code{usad@var{m}} instruction pattern
@item @samp{usad@var{m}}
Compute the sum of absolute differences of two
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
Thomas Schwinge changed:
What|Removed |Added
CC||rguenth at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
Tom de Vries changed:
What|Removed |Added
Attachment #52693|0 |1
is obsolete|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
--- Comment #2 from Tom de Vries ---
AFAIU, at gimple level support is limited to vectors, so that doesn't help to
generate the insn for the simple, scalar case.
It would be nice if combine could generate it and we wouldn't have to use a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105075
--- Comment #1 from Tom de Vries ---
Created attachment 52693
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52693=edit
Demonstrator patch
This patch adds:
- modeling of insn sad.u32 in the .md file
- peephole2 to generate it
(which is
