On Linux/x86_64,
9b7cad5884f21cc5783075be0043777448db3fab is the first bad commit
commit 9b7cad5884f21cc5783075be0043777448db3fab
Author: Jan Hubicka <j...@suse.cz>
Date: Wed May 15 14:14:27 2024 +0200
Avoid pointer compares on TYPE_MAIN_VARIANT in TBAA
caused
FAIL: gcc.dg/tree-ssa/ssa-lim-15.c scan-tree-dump lim2 "Executing store motion"
FAIL: g++.dg/tree-ssa/pr83215.C -std=gnu++14 scan-tree-dump-times fre1 "\\*i"
1
FAIL: g++.dg/tree-ssa/pr83215.C -std=gnu++17 scan-tree-dump-times fre1 "\\*i"
1
FAIL: g++.dg/tree-ssa/pr83215.C -std=gnu++20 scan-tree-dump-times fre1 "\\*i"
1
FAIL: g++.dg/tree-ssa/pr83215.C -std=gnu++98 scan-tree-dump-times fre1 "\\*i"
1
FAIL: gfortran.dg/vect/vect-do-concurrent-1.f90 -O at line 14 (test for
warnings, line )
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-512/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="tree-ssa.exp=gcc.dg/tree-ssa/ssa-lim-15.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/ssa-lim-15.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/ssa-lim-15.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/ssa-lim-15.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/pr83215.C --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/pr83215.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/pr83215.C --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/pr83215.C --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gfortran.dg/vect/vect-do-concurrent-1.f90
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gfortran.dg/vect/vect-do-concurrent-1.f90
--target_board='unix{-m64\ -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.)
