https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114435
--- Comment #5 from jchrist at linux dot ibm.com ---
I tried your patch and it leaves an awful amount of dead stores to the
accumulator within the loop. I also still see the stores inside the loop in
gimple. Is this really desired? Or is this
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114435
--- Comment #2 from jchrist at linux dot ibm.com ---
I tried this, but it seems like pcom does not handle vectors at all: In the
gimple input I have
vectp.5_32 = r_26(D);
# VUSE <.MEM_52>
vect__51.6_1 = MEM [(doubleD.32 *)vectp.5_32];
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114435
Bug ID: 114435
Summary: Bad code generated when SSA and PCOM are enabled.
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114075
--- Comment #5 from jchrist at linux dot ibm.com ---
Just sent a v2 of the patch including your suggested test and updated the
commit message.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114075
--- Comment #4 from jchrist at linux dot ibm.com ---
(In reply to Jakub Jelinek from comment #2)
> Ah, there is
> https://gcc.gnu.org/pipermail/gcc-patches/2024-February/645928.html
> but that didn't come up with a testcase.
> Not sure if checkin
