On Linux/x86_64,
7eb8b65780d9dc3e266056383279b00d5e152bea is the first bad commit
commit 7eb8b65780d9dc3e266056383279b00d5e152bea
Author: Richard Biener <rguent...@suse.de>
Date: Wed Jul 3 13:50:59 2024 +0200
Support group size of three in SLP store permute lowering
caused
FAIL: gcc.dg/vect/slp-54.c -flto -ffat-lto-objects scan-tree-dump vect
"vectorizing stmts using SLP"
FAIL: gcc.dg/vect/slp-54.c scan-tree-dump vect "vectorizing stmts using SLP"
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-1848/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/slp-54.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-54.c
--target_board='unix{-m32\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at haochen dot jiang at intel.com.)
(If you met problems with cascadelake related, disabling AVX512F in command
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)
