On Thu, 8 Oct 2020, sunil.k.pandey wrote:
> On Linux/x86_64,
>
> 532e882f8872b1b4437e3a0fa8c61d2af2d999d4 is the first bad commit
> commit 532e882f8872b1b4437e3a0fa8c61d2af2d999d4
> Author: Richard Biener <rguent...@suse.de>
> Date: Thu Oct 8 11:53:51 2020 +0200
>
> adjust BB vectorization dump scanning
>
> caused
>
> FAIL: gcc.dg/vect/bb-slp-pr78205.c -flto -ffat-lto-objects
> scan-tree-dump-times slp2 "optimized: basic block" 3
> FAIL: gcc.dg/vect/bb-slp-pr78205.c scan-tree-dump-times slp2 "optimized:
> basic block" 3
> FAIL: gcc.dg/vect/bb-slp-subgroups-3.c -flto -ffat-lto-objects
> scan-tree-dump-times slp2 "optimized: basic block" 2
> FAIL: gcc.dg/vect/bb-slp-subgroups-3.c scan-tree-dump-times slp2 "optimized:
> basic block" 2
I filed PR97351 and PR97352 for this, it's really pre-existing issues.
Richard.
> with GCC configured with
>
> Configured with: ../../gcc/configure
> --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-3723/usr
> --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
> --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl
> --enable-libmpx x86_64-linux --disable-bootstrap
>
> To reproduce:
>
> $ cd {build_dir}/gcc && make check
> RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr78205.c
> --target_board='unix{-m32\ -march=cascadelake}'"
> $ cd {build_dir}/gcc && make check
> RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr78205.c
> --target_board='unix{-m64\ -march=cascadelake}'"
> $ cd {build_dir}/gcc && make check
> RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-subgroups-3.c
> --target_board='unix{-m32\ -march=cascadelake}'"
> $ cd {build_dir}/gcc && make check
> RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-subgroups-3.c
> --target_board='unix{-m64\ -march=cascadelake}'"
>
> (Please do not reply to this email, for question about this report, contact
> me at skpgkp2 at gmail dot com)
>
--
Richard Biener <rguent...@suse.de>
SUSE Software Solutions Germany GmbH, Maxfeldstrasse 5, 90409 Nuernberg,
Germany; GF: Felix Imend
