Add no strict aliasing to function CALC, since there are "long long tmp = (*(long long *) &src1[i]) ^ (*(long long *) &src2[i]);" in function CALC.
modified gcc/testsuite/gcc.target/i386/avx512dq-vandnpd-2.c @@ -9,6 +9,7 @@ #include "avx512f-mask-type.h" void +__attribute__ ((optimize ("no-strict-aliasing"), noinline)) CALC (double *s1, double *s2, double *r) { int i; modified gcc/testsuite/gcc.target/i386/avx512dq-vandpd-2.c @@ -9,6 +9,7 @@ #include "avx512f-mask-type.h" void +__attribute__ ((optimize ("no-strict-aliasing"), noinline)) CALC (double *s1, double *s2, double *r) { int i; modified gcc/testsuite/gcc.target/i386/avx512dq-vorpd-2.c @@ -9,6 +9,7 @@ #include "avx512f-mask-type.h" void +__attribute__ ((optimize ("no-strict-aliasing"), noinline)) CALC (double *src1, double *src2, double *dst) { int i; modified gcc/testsuite/gcc.target/i386/avx512dq-vxorpd-2.c @@ -9,6 +9,7 @@ #include "avx512f-mask-type.h" void +__attribute__ ((optimize ("no-strict-aliasing"), noinline)) CALC (double *src1, double *src2, double *dst) { int i; [back] On Thu, Nov 26, 2020 at 8:19 AM sunil.k.pandey via Gcc-regression <gcc-regress...@gcc.gnu.org> wrote: > > On Linux/x86_64, > > bb07490abba850fd5b1d2d09d76d18b8bdc7d817 is the first bad commit > commit bb07490abba850fd5b1d2d09d76d18b8bdc7d817 > Author: Jan Hubicka <j...@suse.cz> > Date: Wed Nov 25 20:51:26 2020 +0100 > > Add EAF_NODIRECTESCAPE flag > > caused > > FAIL: gcc.target/i386/avx512vl-vandnpd-2.c execution test > FAIL: gcc.target/i386/avx512vl-vandpd-2.c execution test > FAIL: gcc.target/i386/avx512vl-vorpd-2.c execution test > FAIL: gcc.target/i386/avx512vl-vxorpd-2.c execution test > > with GCC configured with > > ../../gcc/configure > --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-5391/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="i386.exp=gcc.target/i386/avx512vl-vandnpd-2.c > --target_board='unix{-m32}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vandnpd-2.c > --target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vandnpd-2.c > --target_board='unix{-m64}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vandnpd-2.c > --target_board='unix{-m64\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vandpd-2.c > --target_board='unix{-m32}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vandpd-2.c > --target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vandpd-2.c > --target_board='unix{-m64}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vandpd-2.c > --target_board='unix{-m64\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vorpd-2.c > --target_board='unix{-m32}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vorpd-2.c > --target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vorpd-2.c > --target_board='unix{-m64}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vorpd-2.c > --target_board='unix{-m64\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vxorpd-2.c > --target_board='unix{-m32}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vxorpd-2.c > --target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vxorpd-2.c > --target_board='unix{-m64}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-vxorpd-2.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) -- BR, Hongtao