https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91934
--- Comment #10 from Dmitrii Tochanskii ---
Anyway thanks for your work. Now we know where problem is and users can make
their own decision about patch.
RedHat 8 uses gcc 8.2 but debian 10 - gcc 8.3...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91934
--- Comment #4 from Dmitrii Tochanskii ---
I'm not a good specialist in avx, so I just see something like loop unroll or
may be very log data preparation. For example:
=
vmovups ymm3, YMMWORD PTR [r8+r9]
vmovups ymm5, YMM
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91934
--- Comment #3 from Dmitrii Tochanskii ---
Yep, -fno-loop-unroll-and-jam helps me! Interesting.
: c
Assignee: unassigned at gcc dot gnu.org
Reporter: tochansky at tochlab dot net
Target Milestone: ---
Created attachment 46980
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46980&action=edit
Function where problem occurs
GCC version is 8.3.0 building on