On Linux/x86_64,
d34cda720988674bcf8a24267c9e1ec61335d6de is the first bad commit
commit d34cda720988674bcf8a24267c9e1ec61335d6de
Author: Richard Biener <rguent...@suse.de>
Date: Fri Sep 29 12:54:17 2023 +0200
Handle non-grouped stores as single-lane SLP
caused
FAIL: gcc.dg/vect/fast-math-vect-call-2.c scan-tree-dump-times vect
"vectorizing stmts using SLP" 6
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-3509/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/fast-math-vect-call-2.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.)
