On Linux/x86_64,
c1e420549f2305efb70ed37e693d380724eb7540 is the first bad commit
commit c1e420549f2305efb70ed37e693d380724eb7540
Author: Maciej W. Rozycki <ma...@embecosm.com>
Date: Wed Jul 19 11:59:29 2023 +0100
testsuite: Add 64-bit vector variant for bb-slp-pr95839.c
caused
FAIL: gcc.dg/vect/bb-slp-pr95839-v8.c -flto -ffat-lto-objects scan-tree-dump
slp2 "optimized: basic block"
FAIL: gcc.dg/vect/bb-slp-pr95839-v8.c scan-tree-dump slp2 "optimized: basic
block"
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2639/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-pr95839-v8.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr95839-v8.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.)
