On Linux/x86_64,
532e882f8872b1b4437e3a0fa8c61d2af2d999d4 is the first bad commit
commit 532e882f8872b1b4437e3a0fa8c61d2af2d999d4
Author: Richard Biener <[email protected]>
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
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)