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
<[email protected]> wrote:
>
> On Linux/x86_64,
>
> bb07490abba850fd5b1d2d09d76d18b8bdc7d817 is the first bad commit
> commit bb07490abba850fd5b1d2d09d76d18b8bdc7d817
> Author: Jan Hubicka <[email protected]>
> 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
